Update contributor list in README.md

* Part of issue #5996: Fix IDE warnings in ContributionsListFragment (naming, null-safety, deprecations)

* Part of issue #5996: Clean final IDE warnings (parameter name alignment, remove redundant toggle)

---------

Co-authored-by: Nicolas Raoul <nicolas.raoul@gmail.com>

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -1,7 +1,7 @@
 name: "\U0001F41E Bug report"
 description: Create a report to help us improve.
 title: "[Bug]: "
-labels: ["bug"]
+type: Bug  # Retained to categorize the issue as per organization-level type
 body:
   - type: markdown
     attributes:
@@ -70,7 +70,7 @@ body:
       required: false
   - type: textarea
     attributes:
-      label: Screen-shots
+      label: Screenshots
       description: Add screenshots related to the issue (if available). Can be created by pressing the Volume Down and Power Button at the same time on Android 4.0 and higher.
     validations:
       required: false

.idea/codeStyles/Project.xml

@@ -16,6 +16,7 @@
       <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
       <option name="IMPORT_LAYOUT_TABLE">
         <value>
+          <package name="" withSubpackages="true" static="false" module="true" />
           <package name="" withSubpackages="true" static="true" />
           <emptyLine />
           <package name="" withSubpackages="true" static="false" />

.idea/inspectionProfiles/Project_Default.xml

@@ -2,11 +2,35 @@
   <profile version="1.0">
     <option name="myName" value="Project Default" />
     <inspection_tool class="ClassWithOnlyPrivateConstructors" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="ConfusingElse" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="reportWhenNoStatementFollow" value="true" />
     </inspection_tool>
     <inspection_tool class="ControlFlowStatementWithoutBraces" enabled="true" level="ERROR" enabled_by_default="true" />
     <inspection_tool class="ExplicitThis" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
+    <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="LocalCanBeFinal" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="REPORT_VARIABLES" value="true" />
       <option name="REPORT_PARAMETERS" value="true" />
@@ -20,6 +44,27 @@
     <inspection_tool class="OverlyStrongTypeCast" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="ignoreInMatchingInstanceof" value="false" />
     </inspection_tool>
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="ProblematicWhitespace" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="RedundantFieldInitialization" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="RedundantImplements" enabled="true" level="WARNING" enabled_by_default="true">

CHANGELOG.md

@@ -1,5 +1,90 @@
 # Wikimedia Commons for Android
 
+## v6.0.2
+
+### What's changed
+* Addressed a bug that prevented the keyboard from appearing in various text fields, such as on the upload wizard
+* Links in the "File usages" list are now clickable and will take you to the correct page.
+* Titles for file usages are now clearer and easier to understand
+* Bug fixes and stability improvements
+
+## v6.0.1
+
+### What's changed
+* The app now supports Android 15 with an improved user interface
+* Enhanced Nearby with robust and more reliable labels
+* Bug fixes and stability improvements
+
+## v5.6.1
+
+### What's changed
+* The app no longer uploads images to Wikidata if one exists already for a given item
+* File usage displays correctly now
+* No more infinite circular progress bar on nominating an image for deletion
+* Enhanced location updates while using GPS
+* Author/uploader names are now available in Media Details for Commons licensing compliance
+* Improved usage of popups in Nearby
+* Bug fixes and stability improvements 
+
+## v5.5.0
+
+### What's changed
+* Explore images will now be shown based on the map location and not at your current location
+* Enhanced Wikidata feedback message
+* Green labels in Explore map will no longer be hidden by other pins thumbnails
+* Upload wizard's language drop-down now reflects the language used in the pin label
+* Users can now pick only one image at a time while using the custom selector
+* Bug fixes and stability improvements 
+
+## v5.4.1
+
+### What's changed
+* Custom picker now detects images that are already available on Commons
+* Improve credit line in image list
+* Show place cards with loaded names only in the Nearby list
+* Fix the error that occurs while loading images in Explore
+
+## v5.3.0
+
+### What's changed
+* Enable EmailAuth support
+* Explore map images no longer show "Unknown"
+* Fix crash when removing last two images of multiupload
+* Mark ❌ for closed locations (P3999) in Nearby
+* Fix two pin labels staying visible at the same time in Explore map
+* Refactoring and minor UI improvements
+
+## v5.2.0
+
+v5.2.0 boasts several new functionalities like:
+
+* A new refresh button lets you quickly reload the Nearby map
+* Bookmarks now support categories
+* Improved feedback and consistency in the user interface
+* Bug fixes and performance improvements
+
+### What's changed
+* Implement "Refresh" button to clear the cache and reload the Nearby map.
+* `CommonsApplication` migrate to kotlin & some lint fixes.
+* Revert back to MainScope for database and UI updates and make database operations thread safe.
+* Hide edit options for logged-out users in Explore screen.
+* Introduced a button to delete the current folder in custom selector.
+* Improve Unique File Name Search.
+* Migration of several modules from Java to Kotlin.
+* Fix modification on bottom sheet's data when coming from Nearby Banner and clicked on other pins.
+* Bug fixes and enhancement of Achievements screen.
+* Show where file is being used on Commons and other wikis.
+* Migrate android.media.ExifInterface to androidx.exifinterface.media.ExifInterface as android.media.ExifInterface had security flaws on older devices.
+* Make dialogs modal and always show the upload icon.
+* Fix unintentional deletion of subfolders and non-images by custom selector.
+* Bookmark categories.
+* Add pull down to refresh in the Contributions screen.
+* Fix race condition and lag when loading pin details, faster overlay management.
+* Show cached pins in Nearby even when internet is unavailable
+
+ Full changelog with the list of contributors: [`v5.1.2...v5.2.0`](https://github.com/commons-app/apps-android-commons/compare/v5.1.2...v5.2.0).
+
+
 ## v5.1.2
 
 ### What's changed

README.md

@@ -29,11 +29,12 @@ Thank you all for your work!
 
 | [<img src="https://avatars.githubusercontent.com/u/3611199?v=4" width="100px;"/><br /><sub><b>misaochan</b></sub>](https://github.com/misaochan) | [<img src="https://avatars.githubusercontent.com/u/24829418?v=4" width="100px;"/><br /><sub><b>translatewiki</b></sub>](https://github.com/translatewiki) | [<img src="https://avatars.githubusercontent.com/u/3127881?v=4" width="100px;"/><br /><sub><b>neslihanturan</b></sub>](https://github.com/neslihanturan) | [<img src="https://avatars.githubusercontent.com/u/30430?v=4" width="100px;"/><br /><sub><b>yuvipanda</b></sub>](https://github.com/yuvipanda) | [<img src="https://avatars.githubusercontent.com/u/99590?v=4" width="100px;"/><br /><sub><b>nicolas-raoul</b></sub>](https://github.com/nicolas-raoul) |
 | :---: | :---: | :---: | :---: | :---: |
-| [<img src="https://avatars.githubusercontent.com/u/4953590?v=4" width="100px;"/><br /><sub><b>domdomegg</b></sub>](https://github.com/domdomegg) | [<img src="https://avatars.githubusercontent.com/u/3069373?v=4" width="100px;"/><br /><sub><b>maskaravivek</b></sub>](https://github.com/maskaravivek) | [<img src="https://avatars.githubusercontent.com/u/407647?v=4" width="100px;"/><br /><sub><b>psh</b></sub>](https://github.com/psh) | [<img src="https://avatars.githubusercontent.com/u/30932899?v=4" width="100px;"/><br /><sub><b>madhurgupta10</b></sub>](https://github.com/madhurgupta10) | [<img src="https://avatars.githubusercontent.com/u/17375274?v=4" width="100px;"/><br /><sub><b>ashishkumar468</b></sub>](https://github.com/ashishkumar468) |
-| [<img src="https://avatars.githubusercontent.com/u/103075?v=4" width="100px;"/><br /><sub><b>bvibber</b></sub>](https://github.com/bvibber) | [<img src="https://avatars.githubusercontent.com/u/10674?v=4" width="100px;"/><br /><sub><b>whym</b></sub>](https://github.com/whym) | [<img src="https://avatars.githubusercontent.com/u/10153800?v=4" width="100px;"/><br /><sub><b>akaita</b></sub>](https://github.com/akaita) | [<img src="https://avatars.githubusercontent.com/u/6900601?v=4" width="100px;"/><br /><sub><b>veyndan</b></sub>](https://github.com/veyndan) | [<img src="https://avatars.githubusercontent.com/u/19607555?v=4" width="100px;"/><br /><sub><b>ujjwalagrawal17</b></sub>](https://github.com/ujjwalagrawal17) |
-| [<img src="https://avatars.githubusercontent.com/u/3358282?v=4" width="100px;"/><br /><sub><b>macgills</b></sub>](https://github.com/macgills) | [<img src="https://avatars.githubusercontent.com/u/1682214?v=4" width="100px;"/><br /><sub><b>dbrant</b></sub>](https://github.com/dbrant) | [<img src="https://avatars.githubusercontent.com/u/34261945?v=4" width="100px;"/><br /><sub><b>vanshikaarora</b></sub>](https://github.com/vanshikaarora) | [<img src="https://avatars.githubusercontent.com/u/12448084?v=4" width="100px;"/><br /><sub><b>sivaraam</b></sub>](https://github.com/sivaraam) | [<img src="https://avatars.githubusercontent.com/u/71203077?v=4" width="100px;"/><br /><sub><b>Ayan-10</b></sub>](https://github.com/Ayan-10) |
-| [<img src="https://avatars.githubusercontent.com/u/126143257?v=4" width="100px;"/><br /><sub><b>shashankiitbhu</b></sub>](https://github.com/shashankiitbhu) | [<img src="https://avatars.githubusercontent.com/u/54663429?v=4" width="100px;"/><br /><sub><b>Pratham2305</b></sub>](https://github.com/Pratham2305) | [<img src="https://avatars.githubusercontent.com/u/1345681?v=4" width="100px;"/><br /><sub><b>sandarumk</b></sub>](https://github.com/sandarumk) | [<img src="https://avatars.githubusercontent.com/u/29161745?v=4" width="100px;"/><br /><sub><b>tanvidadu</b></sub>](https://github.com/tanvidadu) | [<img src="https://avatars.githubusercontent.com/u/39745544?v=4" width="100px;"/><br /><sub><b>cypherop</b></sub>](https://github.com/cypherop) |
-| [<img src="https://avatars.githubusercontent.com/u/65972015?v=4" width="100px;"/><br /><sub><b>Prince-kushwaha</b></sub>](https://github.com/Prince-kushwaha) | [<img src="https://avatars.githubusercontent.com/u/6953323?v=4" width="100px;"/><br /><sub><b>tobias47n9e</b></sub>](https://github.com/tobias47n9e) | [<img src="https://avatars.githubusercontent.com/u/54016427?v=4" width="100px;"/><br /><sub><b>4D17Y4</b></sub>](https://github.com/4D17Y4) | [<img src="https://avatars.githubusercontent.com/u/25305892?v=4" width="100px;"/><br /><sub><b>hismaeel</b></sub>](https://github.com/hismaeel) | [<img src="https://avatars.githubusercontent.com/u/12574756?v=4" width="100px;"/><br /><sub><b>tshradheya</b></sub>](https://github.com/tshradheya) |
+| [<img src="https://avatars.githubusercontent.com/u/407647?v=4" width="100px;"/><br /><sub><b>psh</b></sub>](https://github.com/psh) | [<img src="https://avatars.githubusercontent.com/u/4953590?v=4" width="100px;"/><br /><sub><b>domdomegg</b></sub>](https://github.com/domdomegg) | [<img src="https://avatars.githubusercontent.com/u/3069373?v=4" width="100px;"/><br /><sub><b>maskaravivek</b></sub>](https://github.com/maskaravivek) | [<img src="https://avatars.githubusercontent.com/u/30932899?v=4" width="100px;"/><br /><sub><b>madhurgupta10</b></sub>](https://github.com/madhurgupta10) | [<img src="https://avatars.githubusercontent.com/u/17375274?v=4" width="100px;"/><br /><sub><b>ashishkumar468</b></sub>](https://github.com/ashishkumar468) |
+| [<img src="https://avatars.githubusercontent.com/u/103075?v=4" width="100px;"/><br /><sub><b>bvibber</b></sub>](https://github.com/bvibber) | [<img src="https://avatars.githubusercontent.com/u/10674?v=4" width="100px;"/><br /><sub><b>whym</b></sub>](https://github.com/whym) | [<img src="https://avatars.githubusercontent.com/u/10153800?v=4" width="100px;"/><br /><sub><b>akaita</b></sub>](https://github.com/akaita) | [<img src="https://avatars.githubusercontent.com/u/12448084?v=4" width="100px;"/><br /><sub><b>sivaraam</b></sub>](https://github.com/sivaraam) | [<img src="https://avatars.githubusercontent.com/u/6900601?v=4" width="100px;"/><br /><sub><b>veyndan</b></sub>](https://github.com/veyndan) |
+| [<img src="https://avatars.githubusercontent.com/u/19607555?v=4" width="100px;"/><br /><sub><b>ujjwalagrawal17</b></sub>](https://github.com/ujjwalagrawal17) | [<img src="https://avatars.githubusercontent.com/u/3358282?v=4" width="100px;"/><br /><sub><b>macgills</b></sub>](https://github.com/macgills) | [<img src="https://avatars.githubusercontent.com/u/346271?v=4" width="100px;"/><br /><sub><b>amire80</b></sub>](https://github.com/amire80) | [<img src="https://avatars.githubusercontent.com/u/1682214?v=4" width="100px;"/><br /><sub><b>dbrant</b></sub>](https://github.com/dbrant) | [<img src="https://avatars.githubusercontent.com/u/34261945?v=4" width="100px;"/><br /><sub><b>vanshikaarora</b></sub>](https://github.com/vanshikaarora) |
+| [<img src="https://avatars.githubusercontent.com/u/83745993?v=4" width="100px;"/><br /><sub><b>RitikaPahwa4444</b></sub>](https://github.com/RitikaPahwa4444) | [<img src="https://avatars.githubusercontent.com/u/71203077?v=4" width="100px;"/><br /><sub><b>Ayan-10</b></sub>](https://github.com/Ayan-10) | [<img src="https://avatars.githubusercontent.com/u/101377978?v=4" width="100px;"/><br /><sub><b>rohit9625</b></sub>](https://github.com/rohit9625) | [<img src="https://avatars.githubusercontent.com/u/126143257?v=4" width="100px;"/><br /><sub><b>shashankiitbhu</b></sub>](https://github.com/shashankiitbhu) | [<img src="https://avatars.githubusercontent.com/u/54663429?v=4" width="100px;"/><br /><sub><b>Pratham2305</b></sub>](https://github.com/Pratham2305) |
+| [<img src="https://avatars.githubusercontent.com/u/111801812?v=4" width="100px;"/><br /><sub><b>parneet-guraya</b></sub>](https://github.com/parneet-guraya) | [<img src="https://avatars.githubusercontent.com/u/1345681?v=4" width="100px;"/><br /><sub><b>sandarumk</b></sub>](https://github.com/sandarumk) | [<img src="https://avatars.githubusercontent.com/u/29161745?v=4" width="100px;"/><br /><sub><b>tanvidadu</b></sub>](https://github.com/tanvidadu) | [<img src="https://avatars.githubusercontent.com/u/39745544?v=4" width="100px;"/><br /><sub><b>cypherop</b></sub>](https://github.com/cypherop) | [<img src="https://avatars.githubusercontent.com/u/65972015?v=4" width="100px;"/><br /><sub><b>Prince-kushwaha</b></sub>](https://github.com/Prince-kushwaha) |
+
 
 
 .. and [many more](https://github.com/commons-app/apps-android-commons/graphs/contributors).

app/build.gradle

@@ -1,428 +0,0 @@
-plugins {
-    id 'com.github.triplet.play' version '2.7.2' apply false
-}
-apply from: '../gitutils.gradle'
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-kapt'
-apply plugin: 'kotlin-parcelize'
-apply from: "$rootDir/jacoco.gradle"
-
-def isRunningOnTravisAndIsNotPRBuild = System.getenv("CI") == "true" && file('../play.p12').exists()
-
-if (isRunningOnTravisAndIsNotPRBuild) {
-    apply plugin: 'com.github.triplet.play'
-}
-
-dependencies {
-
-    // Utils
-    implementation 'in.yuvi:http.fluent:1.3'
-    implementation 'com.google.code.gson:gson:2.8.5'
-    implementation ("com.squareup.okhttp3:okhttp:$OKHTTP_VERSION!!"){
-        // Forcing dependency versions using force = true on a first-level dependency has been deprecated.
-        //  Ref: https://docs.gradle.org/7.5/userguide/upgrading_version_5.html#forced_dependencies
-        //force = true //API 19 support
-    }
-    implementation 'com.squareup.retrofit2:retrofit:2.8.1'
-    implementation "com.squareup.retrofit2:converter-gson:2.8.1"
-    implementation "com.squareup.retrofit2:adapter-rxjava2:2.8.1"
-    implementation 'com.squareup.okio:okio:2.2.2'
-    implementation 'io.reactivex.rxjava2:rxandroid:2.1.0'
-    implementation 'io.reactivex.rxjava2:rxjava:2.2.3'
-    implementation 'com.jakewharton.rxbinding2:rxbinding:2.1.1'
-    implementation 'com.jakewharton.rxbinding3:rxbinding-appcompat:3.0.0'
-    implementation 'com.jakewharton.rxbinding2:rxbinding-support-v4:2.1.1'
-    implementation 'com.jakewharton.rxbinding2:rxbinding-appcompat-v7:2.1.1'
-    implementation 'com.jakewharton.rxbinding2:rxbinding-design:2.1.1'
-    implementation 'com.facebook.fresco:fresco:1.13.0'
-    implementation 'org.apache.commons:commons-lang3:3.8.1'
-
-    // UI
-    implementation 'fr.avianey.com.viewpagerindicator:library:2.4.1.1@aar'
-    implementation 'com.github.chrisbanes:PhotoView:2.0.0'
-    implementation 'com.github.pedrovgs:renderers:3.3.3'
-    implementation "org.maplibre.gl:android-sdk:$MAPLIBRE_VERSION"
-    implementation 'org.maplibre.gl:android-plugin-scalebar-v9:1.0.0'
-
-    implementation 'com.jakewharton.timber:timber:4.7.1'
-    implementation 'com.github.deano2390:MaterialShowcaseView:1.2.0'
-    implementation "com.google.android.material:material:1.12.0"
-    implementation 'com.karumi:dexter:5.0.0'
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
-    implementation 'androidx.compose.ui:ui-tooling-preview'
-    androidTestImplementation 'androidx.compose.ui:ui-test-junit4'
-
-    // Jetpack Compose
-    def composeBom = platform('androidx.compose:compose-bom:2024.11.00')
-
-    implementation "androidx.activity:activity-compose:1.9.3"
-    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.8.4"
-    implementation (composeBom)
-    implementation "androidx.compose.runtime:runtime"
-    implementation "androidx.compose.ui:ui"
-    implementation "androidx.compose.ui:ui-viewbinding"
-    implementation "androidx.compose.ui:ui-graphics"
-    implementation "androidx.compose.ui:ui-tooling"
-    implementation "androidx.compose.foundation:foundation"
-    implementation "androidx.compose.foundation:foundation-layout"
-    implementation "androidx.compose.material3:material3"
-    androidTestImplementation(composeBom)
-
-    implementation "com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:$ADAPTER_DELEGATES_VERSION"
-    implementation "com.hannesdorfmann:adapterdelegates4-pagination:$ADAPTER_DELEGATES_VERSION"
-    implementation "androidx.paging:paging-runtime-ktx:$PAGING_VERSION"
-    testImplementation "androidx.paging:paging-common-ktx:$PAGING_VERSION"
-    implementation "androidx.paging:paging-rxjava2-ktx:$PAGING_VERSION"
-    implementation "androidx.recyclerview:recyclerview:1.2.0-alpha02"
-    implementation "com.squareup.okhttp3:okhttp-ws:$OKHTTP_VERSION"
-
-    // Logging
-    implementation 'ch.acra:acra-dialog:5.8.4'
-    implementation 'ch.acra:acra-mail:5.8.4'
-    implementation 'org.slf4j:slf4j-api:1.7.25'
-    api('com.github.tony19:logback-android-classic:1.1.1-6') {
-        exclude group: 'com.google.android', module: 'android'
-    }
-    implementation "com.squareup.okhttp3:logging-interceptor:$OKHTTP_VERSION"
-
-    // Dependency injector
-    implementation "com.google.dagger:dagger-android:$DAGGER_VERSION"
-    implementation "com.google.dagger:dagger-android-support:$DAGGER_VERSION"
-    debugImplementation 'androidx.compose.ui:ui-tooling'
-    debugImplementation 'androidx.compose.ui:ui-test-manifest'
-    kapt "com.google.dagger:dagger-android-processor:$DAGGER_VERSION"
-    kapt "com.google.dagger:dagger-compiler:$DAGGER_VERSION"
-    annotationProcessor "com.google.dagger:dagger-android-processor:$DAGGER_VERSION"
-
-    implementation "org.jetbrains.kotlin:kotlin-reflect:$KOTLIN_VERSION"
-
-    //Mocking
-    testImplementation 'com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0'
-    testImplementation 'org.mockito:mockito-inline:5.2.0'
-    testImplementation 'org.mockito:mockito-core:5.6.0'
-    testImplementation "org.powermock:powermock-module-junit4:2.0.9"
-    testImplementation "org.powermock:powermock-api-mockito2:2.0.9"
-    testImplementation("io.mockk:mockk:1.13.5")
-
-    // Unit testing
-    testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.robolectric:robolectric:4.11.1'
-    testImplementation 'androidx.test:core:1.5.0'
-    testImplementation "androidx.test:runner:1.5.2"
-    testImplementation 'androidx.test.ext:junit:1.1.5'
-    testImplementation "androidx.test:rules:1.5.0"
-    testImplementation "com.squareup.okhttp3:mockwebserver:$OKHTTP_VERSION"
-    testImplementation "com.jraska.livedata:testing-ktx:1.2.0"
-    testImplementation "androidx.arch.core:core-testing:2.2.0"
-    testImplementation "org.junit.jupiter:junit-jupiter-api:5.10.0"
-    testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.10.0"
-    testImplementation 'com.facebook.soloader:soloader:0.10.5'
-    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3"
-    debugImplementation("androidx.fragment:fragment-testing:1.6.2")
-    testImplementation "commons-io:commons-io:2.6"
-
-    // Android testing
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0-alpha04'
-    androidTestImplementation 'androidx.test.espresso:espresso-intents:3.4.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-contrib:3.5.0-alpha04'
-    androidTestImplementation 'androidx.test:runner:1.4.0'
-    androidTestImplementation 'androidx.test:rules:1.4.1-alpha04'
-    androidTestImplementation 'androidx.test:core:1.4.0'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.annotation:annotation:1.3.0'
-    androidTestImplementation 'com.squareup.okhttp3:mockwebserver:4.8.0'
-    androidTestImplementation "androidx.test.uiautomator:uiautomator:2.2.0"
-    androidTestUtil 'androidx.test:orchestrator:1.4.1'
-
-    // Debugging
-    debugImplementation "com.squareup.leakcanary:leakcanary-android:$LEAK_CANARY_VERSION"
-
-    // Support libraries
-    implementation "com.google.android.material:material:1.1.0-alpha04"
-    implementation "androidx.browser:browser:1.3.0"
-    implementation "androidx.cardview:cardview:1.0.0"
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.exifinterface:exifinterface:1.3.7'
-    implementation "androidx.core:core-ktx:$CORE_KTX_VERSION"
-    implementation 'com.simplecityapps:recyclerview-fastscroll:2.0.1'
-
-    //swipe_layout
-    implementation 'com.daimajia.swipelayout:library:1.2.0@aar'
-
-    //Room
-    implementation "androidx.room:room-runtime:$ROOM_VERSION"
-    implementation "androidx.room:room-ktx:$ROOM_VERSION"
-    implementation "androidx.room:room-rxjava2:$ROOM_VERSION"
-    kapt "androidx.room:room-compiler:$ROOM_VERSION"
-    // For Kotlin use kapt instead of annotationProcessor
-    testImplementation "androidx.arch.core:core-testing:2.1.0"
-
-    // Pref
-    // Java language implementation
-    implementation "androidx.preference:preference:$PREFERENCE_VERSION"
-    // Kotlin
-    implementation "androidx.preference:preference-ktx:$PREFERENCE_VERSION"
-    //Android Media
-    implementation 'com.github.juanitobananas:AndroidMediaUtil:v1.0-1'
-
-    implementation "androidx.multidex:multidex:$MULTIDEX_VERSION"
-
-    def work_version = "2.8.1"
-    // Kotlin + coroutines
-    implementation "androidx.work:work-runtime-ktx:$work_version"
-    implementation("androidx.work:work-runtime:$work_version")
-    testImplementation "androidx.work:work-testing:$work_version"
-
-    //Glide
-    implementation 'com.github.bumptech.glide:glide:4.16.0'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.16.0'
-    kaptTest "androidx.databinding:databinding-compiler:8.0.2"
-    kaptAndroidTest "androidx.databinding:databinding-compiler:8.0.2"
-
-    implementation("io.github.coordinates2country:coordinates2country-android:1.8") {  exclude group: 'com.google.android', module: 'android' }
-
-    //OSMDroid
-    implementation ("org.osmdroid:osmdroid-android:$OSMDROID_VERSION")
-    constraints {
-        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.0") {
-            because("kotlin-stdlib-jdk7 is now a part of kotlin-stdlib")
-        }
-        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.8.0") {
-            because("kotlin-stdlib-jdk8 is now a part of kotlin-stdlib")
-        }
-    }
-}
-
-task disableAnimations(type: Exec) {
-    def adb = "$System.env.ANDROID_HOME/platform-tools/adb"
-    commandLine "$adb", 'shell', 'settings', 'put', 'global', 'window_animation_scale', '0'
-    commandLine "$adb", 'shell', 'settings', 'put', 'global', 'transition_animation_scale', '0'
-    commandLine "$adb", 'shell', 'settings', 'put', 'global', 'animator_duration_scale', '0'
-}
-
-project.gradle.taskGraph.whenReady {
-    connectedBetaDebugAndroidTest.dependsOn disableAnimations
-    connectedProdDebugAndroidTest.dependsOn disableAnimations
-}
-
-android {
-    compileSdkVersion 34
-
-    defaultConfig {
-        //applicationId 'fr.free.nrw.commons'
-
-        versionCode 1049
-        versionName '5.2.0'
-        setProperty("archivesBaseName", "app-commons-v$versionName-" + getBranchName())
-
-        minSdkVersion 21
-        targetSdkVersion 34
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        testInstrumentationRunnerArguments clearPackageData: 'true'
-
-        multiDexEnabled true
-
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-
-        vectorDrawables.useSupportLibrary = true
-    }
-    packagingOptions {
-        jniLibs {
-            excludes += ['META-INF/androidx.*']
-        }
-        resources {
-            excludes += ['META-INF/androidx.*', 'META-INF/proguard/androidx-annotations.pro', '/META-INF/LICENSE.md', '/META-INF/LICENSE-notice.md']
-        }
-    }
-
-
-    testOptions {
-        animationsDisabled true
-
-        unitTests {
-            returnDefaultValues = true
-            includeAndroidResources = true
-        }
-
-        unitTests.all {
-            jvmArgs '-noverify'
-        }
-    }
-
-    sourceSets {
-        // use kotlin only in tests (for now)
-        test.java.srcDirs += 'src/test/kotlin'
-
-        // use main assets and resources in test
-        test.assets.srcDirs += 'src/main/assets'
-        test.resources.srcDirs += 'src/main/resoures'
-    }
-
-    signingConfigs {
-        release
-    }
-
-    buildTypes {
-        release {
-            minifyEnabled true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
-            testProguardFile 'test-proguard-rules.txt'
-            signingConfig signingConfigs.debug
-            if (isRunningOnTravisAndIsNotPRBuild) {
-                signingConfig signingConfigs.release
-            }
-        }
-        debug {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
-            testProguardFile 'test-proguard-rules.txt'
-            versionNameSuffix "-debug-" + getBranchName()
-            enableUnitTestCoverage true
-            enableAndroidTestCoverage true
-        }
-    }
-
-    if (isRunningOnTravisAndIsNotPRBuild) {
-        // configure keystore based on env vars in Travis for automated alpha builds
-        signingConfigs.release.storeFile = file("../nr-commons.keystore")
-        signingConfigs.release.storePassword = System.getenv("keystore_password")
-        signingConfigs.release.keyAlias = System.getenv("key_alias")
-        signingConfigs.release.keyPassword = System.getenv("key_password")
-    }
-
-    configurations.all {
-        resolutionStrategy.force 'androidx.annotation:annotation:1.1.0'
-        resolutionStrategy.force 'com.jakewharton.timber:timber:4.7.1'
-        resolutionStrategy.force 'androidx.fragment:fragment:1.3.6'
-        exclude module: 'okhttp-ws'
-    }
-    flavorDimensions 'tier'
-    productFlavors {
-        prod {
-
-            applicationId 'fr.free.nrw.commons'
-
-            buildConfigField "String", "WIKIMEDIA_API_POTD", "\"https://commons.wikimedia.org/w/api.php?action=featuredfeed&feed=potd&feedformat=rss&language=en\""
-            buildConfigField "String", "WIKIMEDIA_API_HOST", "\"https://commons.wikimedia.org/w/api.php\""
-            buildConfigField "String", "WIKIDATA_API_HOST", "\"https://www.wikidata.org/w/api.php\""
-            buildConfigField "String", "WIKIDATA_URL", "\"https://www.wikidata.org\""
-            buildConfigField "String", "WIKIMEDIA_FORGE_API_HOST", "\"https://tools.wmflabs.org/\""
-            buildConfigField "String", "WIKIMEDIA_CAMPAIGNS_URL", "\"https://raw.githubusercontent.com/commons-app/campaigns/master/campaigns.json\""
-            buildConfigField "String", "IMAGE_URL_BASE", "\"https://upload.wikimedia.org/wikipedia/commons\""
-            buildConfigField "String", "HOME_URL", "\"https://commons.wikimedia.org/wiki/\""
-            buildConfigField "String", "COMMONS_URL", "\"https://commons.wikimedia.org\""
-            buildConfigField "String", "WIKIDATA_URL", "\"https://www.wikidata.org\""
-            buildConfigField "String", "MOBILE_HOME_URL", "\"https://commons.m.wikimedia.org/wiki/\""
-            buildConfigField "String", "MOBILE_META_URL", "\"https://meta.m.wikimedia.org/wiki/\""
-            buildConfigField "String", "SIGNUP_LANDING_URL", "\"https://commons.m.wikimedia.org/w/index.php?title=Special:CreateAccount&returnto=Main+Page&returntoquery=welcome%3Dyes\""
-            buildConfigField "String", "SIGNUP_SUCCESS_REDIRECTION_URL", "\"https://commons.m.wikimedia.org/w/index.php?title=Main_Page&welcome=yes\""
-            buildConfigField "String", "FORGOT_PASSWORD_URL", "\"https://commons.wikimedia.org/wiki/Special:PasswordReset\""
-            buildConfigField "String", "PRIVACY_POLICY_URL", "\"https://commons-app.github.io/privacy-policy\""
-            buildConfigField "String", "FILE_USAGES_BASE_URL", "\"https://commons.wikimedia.org/w/api.php?action=query&format=json&formatversion=2\""
-            buildConfigField "String", "ACCOUNT_TYPE", "\"fr.free.nrw.commons\""
-            buildConfigField "String", "CONTRIBUTION_AUTHORITY", "\"fr.free.nrw.commons.contributions.contentprovider\""
-            buildConfigField "String", "MODIFICATION_AUTHORITY", "\"fr.free.nrw.commons.modifications.contentprovider\""
-            buildConfigField "String", "CATEGORY_AUTHORITY", "\"fr.free.nrw.commons.categories.contentprovider\""
-            buildConfigField "String", "RECENT_SEARCH_AUTHORITY", "\"fr.free.nrw.commons.explore.recentsearches.contentprovider\""
-            buildConfigField "String", "RECENT_LANGUAGE_AUTHORITY", "\"fr.free.nrw.commons.recentlanguages.contentprovider\""
-            buildConfigField "String", "BOOKMARK_AUTHORITY", "\"fr.free.nrw.commons.bookmarks.contentprovider\""
-            buildConfigField "String", "BOOKMARK_LOCATIONS_AUTHORITY", "\"fr.free.nrw.commons.bookmarks.locations.contentprovider\""
-            buildConfigField "String", "BOOKMARK_ITEMS_AUTHORITY", "\"fr.free.nrw.commons.bookmarks.items.contentprovider\""
-            buildConfigField "String", "COMMIT_SHA", "\"" + getBuildVersion().toString() + "\""
-            buildConfigField "String", "TEST_USERNAME", "\"" + getTestUserName() + "\""
-            buildConfigField "String", "TEST_PASSWORD", "\"" + getTestPassword() + "\""
-            buildConfigField "String", "DEPICTS_PROPERTY", "\"P180\""
-            dimension 'tier'
-        }
-
-        beta {
-            applicationId 'fr.free.nrw.commons.beta'
-
-            // What values do we need to hit the BETA versions of the site / api ?
-            buildConfigField "String", "WIKIMEDIA_API_POTD", "\"https://commons.wikimedia.org/w/api.php?action=featuredfeed&feed=potd&feedformat=rss&language=en\""
-            buildConfigField "String", "WIKIMEDIA_API_HOST", "\"https://commons.wikimedia.beta.wmflabs.org/w/api.php\""
-            buildConfigField "String", "WIKIDATA_API_HOST", "\"https://www.wikidata.org/w/api.php\""
-            buildConfigField "String", "WIKIDATA_URL", "\"https://www.wikidata.org\""
-            buildConfigField "String", "WIKIMEDIA_FORGE_API_HOST", "\"https://tools.wmflabs.org/\""
-            buildConfigField "String", "WIKIMEDIA_CAMPAIGNS_URL", "\"https://raw.githubusercontent.com/commons-app/campaigns/master/campaigns_beta_active.json\""
-            buildConfigField "String", "IMAGE_URL_BASE", "\"https://upload.beta.wmflabs.org/wikipedia/commons\""
-            buildConfigField "String", "HOME_URL", "\"https://commons.wikimedia.beta.wmflabs.org/wiki/\""
-            buildConfigField "String", "COMMONS_URL", "\"https://commons.wikimedia.beta.wmflabs.org\""
-            buildConfigField "String", "WIKIDATA_URL", "\"https://www.wikidata.org\""
-            buildConfigField "String", "MOBILE_HOME_URL", "\"https://commons.m.wikimedia.beta.wmflabs.org/wiki/\""
-            buildConfigField "String", "MOBILE_META_URL", "\"https://meta.m.wikimedia.beta.wmflabs.org/wiki/\""
-            buildConfigField "String", "SIGNUP_LANDING_URL", "\"https://commons.m.wikimedia.beta.wmflabs.org/w/index.php?title=Special:CreateAccount&returnto=Main+Page&returntoquery=welcome%3Dyes\""
-            buildConfigField "String", "SIGNUP_SUCCESS_REDIRECTION_URL", "\"https://commons.m.wikimedia.beta.wmflabs.org/w/index.php?title=Main_Page&welcome=yes\""
-            buildConfigField "String", "FORGOT_PASSWORD_URL", "\"https://commons.wikimedia.beta.wmflabs.org/wiki/Special:PasswordReset\""
-            buildConfigField "String", "PRIVACY_POLICY_URL", "\"https://commons-app.github.io/privacy-policy\""
-            buildConfigField "String", "FILE_USAGES_BASE_URL", "\"https://commons.wikimedia.org/w/api.php?action=query&format=json&formatversion=2\""
-            buildConfigField "String", "ACCOUNT_TYPE", "\"fr.free.nrw.commons.beta\""
-            buildConfigField "String", "CONTRIBUTION_AUTHORITY", "\"fr.free.nrw.commons.beta.contributions.contentprovider\""
-            buildConfigField "String", "MODIFICATION_AUTHORITY", "\"fr.free.nrw.commons.beta.modifications.contentprovider\""
-            buildConfigField "String", "CATEGORY_AUTHORITY", "\"fr.free.nrw.commons.beta.categories.contentprovider\""
-            buildConfigField "String", "RECENT_SEARCH_AUTHORITY", "\"fr.free.nrw.commons.beta.explore.recentsearches.contentprovider\""
-            buildConfigField "String", "RECENT_LANGUAGE_AUTHORITY", "\"fr.free.nrw.commons.beta.recentlanguages.contentprovider\""
-            buildConfigField "String", "BOOKMARK_AUTHORITY", "\"fr.free.nrw.commons.beta.bookmarks.contentprovider\""
-            buildConfigField "String", "BOOKMARK_LOCATIONS_AUTHORITY", "\"fr.free.nrw.commons.beta.bookmarks.locations.contentprovider\""
-            buildConfigField "String", "BOOKMARK_ITEMS_AUTHORITY", "\"fr.free.nrw.commons.beta.bookmarks.items.contentprovider\""
-            buildConfigField "String", "COMMIT_SHA", "\"" + getBuildVersion().toString() + "\""
-            buildConfigField "String", "TEST_USERNAME", "\"" + getTestUserName() + "\""
-            buildConfigField "String", "TEST_PASSWORD", "\"" + getTestPassword() + "\""
-            buildConfigField "String", "DEPICTS_PROPERTY", "\"P245962\""
-            dimension 'tier'
-        }
-    }
-
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_17
-        targetCompatibility JavaVersion.VERSION_17
-    }
-    kotlinOptions {
-        jvmTarget = "17"
-    }
-
-    buildToolsVersion buildToolsVersion
-
-    buildFeatures {
-        viewBinding true
-        compose true
-    }
-    composeOptions {
-        kotlinCompilerExtensionVersion '1.5.8'
-    }
-    namespace 'fr.free.nrw.commons'
-    lint {
-        abortOnError false
-        disable 'MissingTranslation', 'ExtraTranslation'
-    }
-}
-
-String getTestUserName() {
-    def propFile = rootProject.file("./local.properties")
-    def properties = new Properties()
-    properties.load(new FileInputStream(propFile))
-    return properties['TEST_USER_NAME']
-}
-
-String getTestPassword() {
-    def propFile = rootProject.file("./local.properties")
-    def properties = new Properties()
-    properties.load(new FileInputStream(propFile))
-    return properties['TEST_USER_PASSWORD']
-}
-
-if (isRunningOnTravisAndIsNotPRBuild) {
-    play {
-        track = "alpha"
-        userFraction = 1
-        serviceAccountEmail = System.getenv("SERVICE_ACCOUNT_NAME")
-        serviceAccountCredentials = file("../play.p12")
-
-        resolutionStrategy = "auto"
-        outputProcessor { // this: ApkVariantOutput
-            versionNameOverride = "$versionNameOverride.$versionCode"
-        }
-    }
-}

app/build.gradle.kts

@@ -0,0 +1,447 @@
+import java.util.Properties
+import java.io.ByteArrayOutputStream
+
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.jetbrains.kotlin.android)
+    alias(libs.plugins.kotlin.kapt)
+    alias(libs.plugins.kotlin.parcelize)
+}
+
+apply(from = "$rootDir/jacoco.gradle")
+
+val isRunningOnTravisAndIsNotPRBuild = System.getenv("CI") == "true" && file("../play.p12").exists()
+
+if (isRunningOnTravisAndIsNotPRBuild) {
+    apply(plugin = "com.github.triplet.play")
+}
+
+android {
+    namespace = "fr.free.nrw.commons"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "fr.free.nrw.commons"
+        minSdk = 21
+        targetSdk = 35
+        versionCode = 1059
+        versionName = "6.1.0"
+
+        setProperty("archivesBaseName", "app-commons-v$versionName-" + getBranchName())
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunnerArguments["clearPackageData"] = "true"
+
+        multiDexEnabled = true
+
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    sourceSets {
+        getByName("test") {
+            // Use kotlin only in tests (for now)
+            java.srcDirs("src/test/kotlin")
+
+            // Use main assets and resources in test
+            assets.srcDirs("src/main/assets")
+            resources.srcDirs("src/main/resources")
+        }
+    }
+
+    signingConfigs {
+        create("release") {
+            // Configure keystore based on env vars in Travis for automated alpha builds
+            if(isRunningOnTravisAndIsNotPRBuild) {
+                storeFile = file("../nr-commons.keystore")
+                storePassword = System.getenv("keystore_password")
+                keyAlias = System.getenv("key_alias")
+                keyPassword = System.getenv("key_password")
+            }
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.txt")
+            testProguardFile("test-proguard-rules.txt")
+
+            signingConfig = signingConfigs.getByName("debug")
+            if (isRunningOnTravisAndIsNotPRBuild) {
+                signingConfig = signingConfigs.getByName("release")
+            }
+        }
+        debug {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.txt")
+            testProguardFile("test-proguard-rules.txt")
+
+            versionNameSuffix = "-debug-" + getBranchName()
+            enableUnitTestCoverage = true
+            enableAndroidTestCoverage = true
+        }
+    }
+
+    configurations.all {
+        resolutionStrategy {
+            force("androidx.annotation:annotation:1.1.0")
+            force("com.jakewharton.timber:timber:4.7.1")
+            force("androidx.fragment:fragment:1.3.6")
+        }
+        exclude(module = "okhttp-ws")
+    }
+
+    flavorDimensions += "tier"
+    productFlavors {
+        create("prod") {
+            dimension = "tier"
+            applicationId = "fr.free.nrw.commons"
+
+            buildConfigField("String", "WIKIMEDIA_API_POTD", "\"https://commons.wikimedia.org/w/api.php?action=featuredfeed&feed=potd&feedformat=rss&language=en\"")
+            buildConfigField("String", "WIKIMEDIA_API_HOST", "\"https://commons.wikimedia.org/w/api.php\"")
+            buildConfigField("String", "WIKIDATA_API_HOST", "\"https://www.wikidata.org/w/api.php\"")
+            buildConfigField("String", "WIKIDATA_URL", "\"https://www.wikidata.org\"")
+            buildConfigField("String", "WIKIMEDIA_FORGE_API_HOST", "\"https://tools.wmflabs.org/\"")
+            buildConfigField("String", "WIKIMEDIA_CAMPAIGNS_URL", "\"https://raw.githubusercontent.com/commons-app/campaigns/master/campaigns.json\"")
+            buildConfigField("String", "IMAGE_URL_BASE", "\"https://upload.wikimedia.org/wikipedia/commons\"")
+            buildConfigField("String", "HOME_URL", "\"https://commons.wikimedia.org/wiki/\"")
+            buildConfigField("String", "COMMONS_URL", "\"https://commons.wikimedia.org\"")
+            buildConfigField("String", "WIKIDATA_URL", "\"https://www.wikidata.org\"")
+            buildConfigField("String", "MOBILE_HOME_URL", "\"https://commons.m.wikimedia.org/wiki/\"")
+            buildConfigField("String", "MOBILE_META_URL", "\"https://meta.m.wikimedia.org/wiki/\"")
+            buildConfigField("String", "SIGNUP_LANDING_URL", "\"https://commons.m.wikimedia.org/w/index.php?title=Special:CreateAccount&returnto=Main+Page&returntoquery=welcome%3Dyes\"")
+            buildConfigField("String", "SIGNUP_SUCCESS_REDIRECTION_URL", "\"https://commons.m.wikimedia.org/w/index.php?title=Main_Page&welcome=yes\"")
+            buildConfigField("String", "FORGOT_PASSWORD_URL", "\"https://commons.wikimedia.org/wiki/Special:PasswordReset\"")
+            buildConfigField("String", "PRIVACY_POLICY_URL", "\"https://github.com/commons-app/commons-app-documentation/blob/master/android/Privacy-policy.md\"")
+            buildConfigField("String", "FILE_USAGES_BASE_URL", "\"https://commons.wikimedia.org/w/api.php?action=query&format=json&formatversion=2\"")
+            buildConfigField("String", "ACCOUNT_TYPE", "\"fr.free.nrw.commons\"")
+            buildConfigField("String", "CONTRIBUTION_AUTHORITY", "\"fr.free.nrw.commons.contributions.contentprovider\"")
+            buildConfigField("String", "MODIFICATION_AUTHORITY", "\"fr.free.nrw.commons.modifications.contentprovider\"")
+            buildConfigField("String", "CATEGORY_AUTHORITY", "\"fr.free.nrw.commons.categories.contentprovider\"")
+            buildConfigField("String", "RECENT_SEARCH_AUTHORITY", "\"fr.free.nrw.commons.explore.recentsearches.contentprovider\"")
+            buildConfigField("String", "RECENT_LANGUAGE_AUTHORITY", "\"fr.free.nrw.commons.recentlanguages.contentprovider\"")
+            buildConfigField("String", "BOOKMARK_AUTHORITY", "\"fr.free.nrw.commons.bookmarks.contentprovider\"")
+            buildConfigField("String", "BOOKMARK_LOCATIONS_AUTHORITY", "\"fr.free.nrw.commons.bookmarks.locations.contentprovider\"")
+            buildConfigField("String", "BOOKMARK_ITEMS_AUTHORITY", "\"fr.free.nrw.commons.bookmarks.items.contentprovider\"")
+            buildConfigField("String", "COMMIT_SHA", "\"" + getBuildVersion().toString() + "\"")
+            buildConfigField("String", "TEST_USERNAME", "\"" + getTestUserName() + "\"")
+            buildConfigField("String", "TEST_PASSWORD", "\"" + getTestPassword() + "\"")
+            buildConfigField("String", "DEPICTS_PROPERTY", "\"P180\"")
+            buildConfigField("String", "CREATOR_PROPERTY", "\"P170\"")
+        }
+
+        create("beta") {
+            dimension = "tier"
+            applicationId = "fr.free.nrw.commons.beta"
+
+            // What values do we need to hit the BETA versions of the site / api ?
+            buildConfigField("String", "WIKIMEDIA_API_POTD", "\"https://commons.wikimedia.org/w/api.php?action=featuredfeed&feed=potd&feedformat=rss&language=en\"")
+            buildConfigField("String", "WIKIMEDIA_API_HOST", "\"https://commons.wikimedia.beta.wmflabs.org/w/api.php\"")
+            buildConfigField("String", "WIKIDATA_API_HOST", "\"https://www.wikidata.org/w/api.php\"")
+            buildConfigField("String", "WIKIDATA_URL", "\"https://www.wikidata.org\"")
+            buildConfigField("String", "WIKIMEDIA_FORGE_API_HOST", "\"https://tools.wmflabs.org/\"")
+            buildConfigField("String", "WIKIMEDIA_CAMPAIGNS_URL", "\"https://raw.githubusercontent.com/commons-app/campaigns/master/campaigns_beta_active.json\"")
+            buildConfigField("String", "IMAGE_URL_BASE", "\"https://upload.beta.wmflabs.org/wikipedia/commons\"")
+            buildConfigField("String", "HOME_URL", "\"https://commons.wikimedia.beta.wmflabs.org/wiki/\"")
+            buildConfigField("String", "COMMONS_URL", "\"https://commons.wikimedia.beta.wmflabs.org\"")
+            buildConfigField("String", "WIKIDATA_URL", "\"https://www.wikidata.org\"")
+            buildConfigField("String", "MOBILE_HOME_URL", "\"https://commons.m.wikimedia.beta.wmflabs.org/wiki/\"")
+            buildConfigField("String", "MOBILE_META_URL", "\"https://meta.m.wikimedia.beta.wmflabs.org/wiki/\"")
+            buildConfigField("String", "SIGNUP_LANDING_URL", "\"https://commons.m.wikimedia.beta.wmflabs.org/w/index.php?title=Special:CreateAccount&returnto=Main+Page&returntoquery=welcome%3Dyes\"")
+            buildConfigField("String", "SIGNUP_SUCCESS_REDIRECTION_URL", "\"https://commons.m.wikimedia.beta.wmflabs.org/w/index.php?title=Main_Page&welcome=yes\"")
+            buildConfigField("String", "FORGOT_PASSWORD_URL", "\"https://commons.wikimedia.beta.wmflabs.org/wiki/Special:PasswordReset\"")
+            buildConfigField("String", "PRIVACY_POLICY_URL", "\"https://github.com/commons-app/commons-app-documentation/blob/master/android/Privacy-policy.md\"")
+            buildConfigField("String", "FILE_USAGES_BASE_URL", "\"https://commons.wikimedia.org/w/api.php?action=query&format=json&formatversion=2\"")
+            buildConfigField("String", "ACCOUNT_TYPE", "\"fr.free.nrw.commons.beta\"")
+            buildConfigField("String", "CONTRIBUTION_AUTHORITY", "\"fr.free.nrw.commons.beta.contributions.contentprovider\"")
+            buildConfigField("String", "MODIFICATION_AUTHORITY", "\"fr.free.nrw.commons.beta.modifications.contentprovider\"")
+            buildConfigField("String", "CATEGORY_AUTHORITY", "\"fr.free.nrw.commons.beta.categories.contentprovider\"")
+            buildConfigField("String", "RECENT_SEARCH_AUTHORITY", "\"fr.free.nrw.commons.beta.explore.recentsearches.contentprovider\"")
+            buildConfigField("String", "RECENT_LANGUAGE_AUTHORITY", "\"fr.free.nrw.commons.beta.recentlanguages.contentprovider\"")
+            buildConfigField("String", "BOOKMARK_AUTHORITY", "\"fr.free.nrw.commons.beta.bookmarks.contentprovider\"")
+            buildConfigField("String", "BOOKMARK_LOCATIONS_AUTHORITY", "\"fr.free.nrw.commons.beta.bookmarks.locations.contentprovider\"")
+            buildConfigField("String", "BOOKMARK_ITEMS_AUTHORITY", "\"fr.free.nrw.commons.beta.bookmarks.items.contentprovider\"")
+            buildConfigField("String", "COMMIT_SHA", "\"" + getBuildVersion().toString() + "\"")
+            buildConfigField("String", "TEST_USERNAME", "\"" + getTestUserName() + "\"")
+            buildConfigField("String", "TEST_PASSWORD", "\"" + getTestPassword() + "\"")
+            buildConfigField("String", "DEPICTS_PROPERTY", "\"P245962\"")
+            buildConfigField("String", "CREATOR_PROPERTY", "\"P253075\"")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+    buildFeatures {
+        buildConfig = true
+        viewBinding = true
+        compose = true
+    }
+    buildToolsVersion = buildToolsVersion
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.8"
+    }
+    packaging {
+        jniLibs {
+            excludes += listOf("META-INF/androidx.*")
+        }
+        resources {
+            excludes += listOf(
+                "META-INF/androidx.*",
+                "META-INF/proguard/androidx-annotations.pro",
+                "/META-INF/LICENSE.md",
+                "/META-INF/LICENSE-notice.md"
+            )
+        }
+    }
+    testOptions {
+        animationsDisabled = true
+        unitTests {
+            isReturnDefaultValues = true
+            isIncludeAndroidResources = true
+        }
+        unitTests.all {
+            it.jvmArgs("-noverify")
+        }
+    }
+    lint {
+        abortOnError = false
+        disable += listOf("MissingTranslation", "ExtraTranslation")
+    }
+}
+
+dependencies {
+    // Utils
+    implementation(libs.gson)
+    implementation(libs.okhttp)
+    implementation(libs.retrofit)
+    implementation(libs.retrofit.converter.gson)
+    implementation(libs.retrofit.adapter.rxjava)
+    implementation(libs.rxandroid)
+    implementation(libs.rxjava)
+    implementation(libs.rxbinding)
+    implementation(libs.rxbinding.appcompat)
+    implementation(libs.facebook.fresco)
+    implementation(libs.facebook.fresco.middleware)
+    implementation(libs.apache.commons.lang3)
+
+    // UI
+    implementation("${libs.viewpagerindicator.library.get()}@aar")
+    implementation(libs.photoview)
+    implementation(libs.android.sdk)
+    implementation(libs.android.plugin.scalebar)
+
+    implementation(libs.timber)
+    implementation(libs.android.material)
+    implementation(libs.dexter)
+
+    // Jetpack Compose
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.compose.runtime)
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.ui.viewbinding)
+    implementation(libs.androidx.material3)
+    implementation(libs.androidx.foundation)
+    implementation(libs.androidx.foundation.layout)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+
+    implementation(libs.adapterdelegates4.kotlin.dsl.viewbinding)
+    implementation(libs.adapterdelegates4.pagination)
+    implementation(libs.androidx.paging.runtime.ktx)
+    testImplementation(libs.androidx.paging.common.ktx)
+    implementation(libs.androidx.paging.rxjava2.ktx)
+    implementation(libs.androidx.recyclerview)
+
+    // Logging
+    implementation(libs.acra.dialog)
+    implementation(libs.acra.mail)
+    implementation(libs.slf4j.api)
+    implementation(libs.logback.android.classic) {
+        exclude(group = "com.google.android", module = "android")
+    }
+    implementation(libs.logging.interceptor)
+
+    // Dependency injector
+    implementation(libs.dagger.android)
+    implementation(libs.dagger.android.support)
+    kapt(libs.dagger.android.processor)
+    kapt(libs.dagger.compiler)
+    annotationProcessor(libs.dagger.android.processor)
+
+    implementation(libs.kotlin.reflect)
+
+    //Mocking
+    testImplementation(libs.mockito.kotlin)
+    testImplementation(libs.mockito.core)
+    testImplementation(libs.powermock.module.junit)
+    testImplementation(libs.powermock.api.mockito)
+    testImplementation(libs.mockk)
+
+    // Unit testing
+    testImplementation(libs.junit)
+    testImplementation(libs.robolectric)
+    testImplementation(libs.androidx.test.core)
+    testImplementation(libs.androidx.runner)
+    testImplementation(libs.androidx.test.ext.junit)
+    testImplementation(libs.androidx.test.rules)
+    testImplementation(libs.mockwebserver)
+    testImplementation(libs.livedata.testing.ktx)
+    testImplementation(libs.androidx.core.testing)
+    testImplementation(libs.junit.jupiter.api)
+    testRuntimeOnly(libs.junit.jupiter.engine)
+    testImplementation(libs.soloader)
+    testImplementation(libs.kotlinx.coroutines.test)
+    debugImplementation(libs.androidx.fragment.testing)
+    testImplementation(libs.commons.io)
+
+    // Android testing
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(libs.androidx.espresso.intents)
+    androidTestImplementation(libs.androidx.espresso.contrib)
+    androidTestImplementation(libs.androidx.runner)
+    androidTestImplementation(libs.androidx.test.rules)
+    androidTestImplementation(libs.androidx.test.core)
+    androidTestImplementation(libs.androidx.test.ext.junit)
+    androidTestImplementation(libs.androidx.annotation)
+    androidTestImplementation(libs.mockwebserver)
+    androidTestImplementation(libs.androidx.uiautomator)
+
+    // Debugging
+    debugImplementation(libs.leakcanary.android)
+
+    // Support libraries
+    implementation(libs.androidx.browser)
+    implementation(libs.androidx.cardview)
+    implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.exifinterface)
+    implementation(libs.recyclerview.fastscroll)
+
+    //swipe_layout
+    implementation(libs.swipelayout.library)
+
+    //Room
+    implementation(libs.androidx.room.runtime)
+    implementation(libs.androidx.room.ktx)
+    implementation(libs.androidx.room.rxjava)
+    kapt(libs.androidx.room.compiler)
+
+    // Preferences
+    implementation(libs.androidx.preference)
+    implementation(libs.androidx.preference.ktx)
+
+    //Android Media
+    implementation(libs.juanitobananas.androidDmediaUtil)
+    implementation(libs.androidx.multidex)
+
+    // Kotlin + coroutines
+    implementation(libs.androidx.work.runtime.ktx)
+    implementation(libs.androidx.work.runtime)
+    implementation(libs.kotlinx.coroutines.rx2)
+    testImplementation(libs.androidx.work.testing)
+
+    //Glide
+    implementation(libs.glide)
+    annotationProcessor(libs.glide.compiler)
+    kaptTest(libs.androidx.databinding.compiler)
+    kaptAndroidTest(libs.androidx.databinding.compiler)
+
+    implementation(libs.coordinates2country.android) {
+        exclude(group = "com.google.android", module = "android")
+    }
+
+    //OSMDroid
+    implementation(libs.osmdroid.android)
+    constraints {
+        implementation(libs.kotlin.stdlib.jdk7) {
+            because("kotlin-stdlib-jdk7 is now a part of kotlin-stdlib")
+        }
+        implementation(libs.kotlin.stdlib.jdk8) {
+            because("kotlin-stdlib-jdk8 is now a part of kotlin-stdlib")
+        }
+    }
+}
+
+tasks.register<Exec>("disableAnimations") {
+    val adb = "${System.getenv("ANDROID_HOME")}/platform-tools/adb"
+    commandLine(adb, "shell", "settings", "put", "global", "window_animation_scale", "0")
+    commandLine(adb, "shell", "settings", "put", "global", "transition_animation_scale", "0")
+    commandLine(adb, "shell", "settings", "put", "global", "animator_duration_scale", "0")
+}
+
+project.gradle.taskGraph.whenReady {
+    val connectedBetaDebugAndroidTest = tasks.named("connectedBetaDebugAndroidTest")
+    val connectedProdDebugAndroidTest = tasks.named("connectedProdDebugAndroidTest")
+
+    connectedBetaDebugAndroidTest.configure {
+        dependsOn("disableAnimations")
+    }
+    connectedProdDebugAndroidTest.configure {
+        dependsOn("disableAnimations")
+    }
+}
+
+fun getTestUserName(): String? {
+    val propFile = rootProject.file("./local.properties")
+    val properties = Properties()
+    propFile.inputStream().use { properties.load(it) }
+    return properties.getProperty("TEST_USER_NAME")
+}
+
+fun getTestPassword(): String? {
+    val propFile = rootProject.file("./local.properties")
+    val properties = Properties()
+    propFile.inputStream().use { properties.load(it) }
+    return properties.getProperty("TEST_USER_PASSWORD")
+}
+
+if (isRunningOnTravisAndIsNotPRBuild) {
+    configure<com.github.triplet.gradle.play.PlayPublisherExtension> {
+        track = "alpha"
+        userFraction = 1.0
+        serviceAccountEmail = System.getenv("SERVICE_ACCOUNT_NAME")
+        serviceAccountCredentials = file("../play.p12")
+
+        resolutionStrategy = "auto"
+        outputProcessor { // this: ApkVariantOutput
+            versionNameOverride = "$versionNameOverride.$versionCode"
+        }
+    }
+}
+
+fun getBuildVersion(): String? {
+    return try {
+        val stdout = ByteArrayOutputStream()
+        exec {
+            commandLine("git", "rev-parse", "--short", "HEAD")
+            standardOutput = stdout
+        }
+        stdout.toString().trim()
+    } catch (e: Exception) {
+        null
+    }
+}
+
+fun getBranchName(): String? {
+    return try {
+        val stdout = ByteArrayOutputStream()
+        exec {
+            commandLine("git", "rev-parse", "--abbrev-ref", "HEAD")
+            standardOutput = stdout
+        }
+        stdout.toString().trim()
+    } catch (e: Exception) {
+        null
+    }
+}

app/proguard-rules.txt

@@ -66,6 +66,9 @@
 # Application classes that will be serialized/deserialized over Gson
 -keep class com.google.gson.examples.android.model.** { *; }
 
+# Prevent R8 from obfuscating project classes used by Gson for parsing
+-keep class fr.free.nrw.commons.fileusages.** { *; }
+
 # Prevent proguard from stripping interface information from TypeAdapterFactory,
 # JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
 -keep class * implements com.google.gson.TypeAdapterFactory

app/src/androidTest/java/fr/free/nrw/commons/UploadCancelledTest.kt

@@ -49,7 +49,7 @@ class UploadCancelledTest {
     fun setup() {
         try {
             Intents.init()
-        } catch (ex: IllegalStateException) {
+        } catch (_: IllegalStateException) {
         }
         device.unfreezeRotation()
         device.setOrientationNatural()
@@ -65,7 +65,7 @@ class UploadCancelledTest {
     fun teardown() {
         try {
             Intents.release()
-        } catch (ex: IllegalStateException) {
+        } catch (_: IllegalStateException) {
         }
     }
 

app/src/androidTest/java/fr/free/nrw/commons/UploadTest.kt

@@ -71,7 +71,7 @@ class UploadTest {
     fun setup() {
         try {
             Intents.init()
-        } catch (ex: IllegalStateException) {
+        } catch (_: IllegalStateException) {
         }
         UITestHelper.loginUser()
         UITestHelper.skipWelcome()

app/src/main/AndroidManifest.xml

@@ -57,8 +57,7 @@
     tools:replace="android:appComponentFactory">
     <activity
       android:name=".activity.SingleWebViewActivity"
-      android:exported="false"
-      android:label="@string/title_activity_single_web_view" />
+      android:exported="false" />
     <activity
       android:name=".nearby.WikidataFeedback"
       android:exported="false" />
@@ -85,6 +84,7 @@
       android:parentActivityName=".customselector.ui.selector.CustomSelectorActivity" />
     <activity
       android:name=".auth.LoginActivity"
+      android:windowSoftInputMode="adjustPan"
       android:exported="true">
       <intent-filter>
         <category android:name="android.intent.category.LAUNCHER" />
@@ -103,7 +103,7 @@
       android:exported="true"
       android:hardwareAccelerated="false"
       android:icon="@mipmap/ic_launcher"
-      android:windowSoftInputMode="adjustResize">
+      android:windowSoftInputMode="adjustPan">
       <intent-filter android:label="@string/intent_share_upload_label">
         <action android:name="android.intent.action.SEND" />
 

app/src/main/java/fr/free/nrw/commons/AboutActivity.kt

@@ -1,7 +1,9 @@
 package fr.free.nrw.commons
 
 import android.annotation.SuppressLint
+import android.content.ActivityNotFoundException
 import android.content.Intent
+import android.content.Intent.ACTION_VIEW
 import android.net.Uri
 import android.os.Bundle
 import android.view.Menu
@@ -16,6 +18,10 @@ import fr.free.nrw.commons.theme.BaseActivity
 import fr.free.nrw.commons.utils.ConfigUtils.getVersionNameWithSha
 import fr.free.nrw.commons.utils.DialogUtil.showAlertDialog
 import java.util.Collections
+import androidx.core.net.toUri
+import fr.free.nrw.commons.utils.applyEdgeToEdgeTopInsets
+import fr.free.nrw.commons.utils.handleWebUrl
+import fr.free.nrw.commons.utils.setUnderlinedText
 
 /**
  * Represents about screen of this app
@@ -42,6 +48,7 @@ class AboutActivity : BaseActivity() {
          */
         binding = ActivityAboutBinding.inflate(layoutInflater)
         val view: View = binding!!.root
+        applyEdgeToEdgeTopInsets(binding!!.toolbarLayout)
         setContentView(view)
 
         setSupportActionBar(binding!!.toolbarBinding.toolbar)
@@ -59,30 +66,12 @@ class AboutActivity : BaseActivity() {
         binding!!.aboutImprove.setHtmlText(improveText)
         binding!!.aboutVersion.text = applicationContext.getVersionNameWithSha()
 
-        Utils.setUnderlinedText(
-            binding!!.aboutFaq, R.string.about_faq,
-            applicationContext
-        )
-        Utils.setUnderlinedText(
-            binding!!.aboutRateUs, R.string.about_rate_us,
-            applicationContext
-        )
-        Utils.setUnderlinedText(
-            binding!!.aboutUserGuide, R.string.user_guide,
-            applicationContext
-        )
-        Utils.setUnderlinedText(
-            binding!!.aboutPrivacyPolicy, R.string.about_privacy_policy,
-            applicationContext
-        )
-        Utils.setUnderlinedText(
-            binding!!.aboutTranslate, R.string.about_translate,
-            applicationContext
-        )
-        Utils.setUnderlinedText(
-            binding!!.aboutCredits, R.string.about_credits,
-            applicationContext
-        )
+        binding!!.aboutFaq.setUnderlinedText(R.string.about_faq)
+        binding!!.aboutRateUs.setUnderlinedText(R.string.about_rate_us)
+        binding!!.aboutUserGuide.setUnderlinedText(R.string.user_guide)
+        binding!!.aboutPrivacyPolicy.setUnderlinedText(R.string.about_privacy_policy)
+        binding!!.aboutTranslate.setUnderlinedText(R.string.about_translate)
+        binding!!.aboutCredits.setUnderlinedText(R.string.about_credits)
 
         /*
           To set listeners, we can create a separate method and use lambda syntax.
@@ -106,47 +95,56 @@ class AboutActivity : BaseActivity() {
     fun launchFacebook(view: View?) {
         val intent: Intent
         try {
-            intent = Intent(Intent.ACTION_VIEW, Uri.parse(Urls.FACEBOOK_APP_URL))
+            intent = Intent(ACTION_VIEW, Urls.FACEBOOK_APP_URL.toUri())
             intent.setPackage(Urls.FACEBOOK_PACKAGE_NAME)
             startActivity(intent)
         } catch (e: Exception) {
-            Utils.handleWebUrl(this, Uri.parse(Urls.FACEBOOK_WEB_URL))
+            handleWebUrl(this, Urls.FACEBOOK_WEB_URL.toUri())
         }
     }
 
     fun launchGithub(view: View?) {
         val intent: Intent
         try {
-            intent = Intent(Intent.ACTION_VIEW, Uri.parse(Urls.GITHUB_REPO_URL))
+            intent = Intent(ACTION_VIEW, Urls.GITHUB_REPO_URL.toUri())
             intent.setPackage(Urls.GITHUB_PACKAGE_NAME)
             startActivity(intent)
         } catch (e: Exception) {
-            Utils.handleWebUrl(this, Uri.parse(Urls.GITHUB_REPO_URL))
+            handleWebUrl(this, Urls.GITHUB_REPO_URL.toUri())
         }
     }
 
     fun launchWebsite(view: View?) {
-        Utils.handleWebUrl(this, Uri.parse(Urls.WEBSITE_URL))
+        handleWebUrl(this, Urls.WEBSITE_URL.toUri())
     }
 
     fun launchRatings(view: View?) {
-        Utils.rateApp(this)
+        try {
+            startActivity(
+                Intent(
+                    ACTION_VIEW,
+                    (Urls.PLAY_STORE_PREFIX + packageName).toUri()
+                )
+            )
+        } catch (_: ActivityNotFoundException) {
+            handleWebUrl(this, (Urls.PLAY_STORE_URL_PREFIX + packageName).toUri())
+        }
     }
 
     fun launchCredits(view: View?) {
-        Utils.handleWebUrl(this, Uri.parse(Urls.CREDITS_URL))
+        handleWebUrl(this, Urls.CREDITS_URL.toUri())
     }
 
     fun launchUserGuide(view: View?) {
-        Utils.handleWebUrl(this, Uri.parse(Urls.USER_GUIDE_URL))
+        handleWebUrl(this, Urls.USER_GUIDE_URL.toUri())
     }
 
     fun launchPrivacyPolicy(view: View?) {
-        Utils.handleWebUrl(this, Uri.parse(BuildConfig.PRIVACY_POLICY_URL))
+        handleWebUrl(this, BuildConfig.PRIVACY_POLICY_URL.toUri())
     }
 
     fun launchFrequentlyAskedQuesions(view: View?) {
-        Utils.handleWebUrl(this, Uri.parse(Urls.FAQ_URL))
+        handleWebUrl(this, Urls.FAQ_URL.toUri())
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -193,7 +191,7 @@ class AboutActivity : BaseActivity() {
 
         val positiveButtonRunnable = Runnable {
             val langCode = instance.languageLookUpTable!!.getCodes()[spinner.selectedItemPosition]
-            Utils.handleWebUrl(this@AboutActivity, Uri.parse(Urls.TRANSLATE_WIKI_URL + langCode))
+            handleWebUrl(this@AboutActivity, (Urls.TRANSLATE_WIKI_URL + langCode).toUri())
         }
         showAlertDialog(
             this,

app/src/main/java/fr/free/nrw/commons/BasePresenter.java

@@ -1,18 +0,0 @@
-package fr.free.nrw.commons;
-
-import androidx.annotation.NonNull;
-
-/**
- * Base presenter, enforcing contracts to atach and detach view
- */
-public interface BasePresenter<T> {
-    /**
-     * Until a view is attached, it is open to listen events from the presenter
-     */
-    void onAttachView(@NonNull T view);
-
-    /**
-     * Detaching a view makes sure that the view no more receives events from the presenter
-     */
-    void onDetachView();
-}

app/src/main/java/fr/free/nrw/commons/BasePresenter.kt

@@ -0,0 +1,10 @@
+package fr.free.nrw.commons
+
+/**
+ * Base presenter, enforcing contracts to attach and detach view
+ */
+interface BasePresenter<T> {
+    fun onAttachView(view: T)
+
+    fun onDetachView()
+}

app/src/main/java/fr/free/nrw/commons/CommonsApplication.kt

@@ -15,9 +15,8 @@ import com.facebook.drawee.backends.pipeline.Fresco
 import com.facebook.imagepipeline.core.ImagePipelineConfig
 import fr.free.nrw.commons.auth.LoginActivity
 import fr.free.nrw.commons.auth.SessionManager
-import fr.free.nrw.commons.bookmarks.items.BookmarkItemsDao
-import fr.free.nrw.commons.bookmarks.locations.BookmarkLocationsDao
-import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesDao
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable
+import fr.free.nrw.commons.bookmarks.pictures.BookmarksTable
 import fr.free.nrw.commons.category.CategoryDao
 import fr.free.nrw.commons.concurrency.BackgroundPoolExceptionHandler
 import fr.free.nrw.commons.concurrency.ThreadPoolService
@@ -257,8 +256,8 @@ class CommonsApplication : MultiDexApplication() {
         } catch (e: SQLiteException) {
             Timber.e(e)
         }
-        BookmarkPicturesDao.Table.onDelete(db)
-        BookmarkItemsDao.Table.onDelete(db)
+        BookmarksTable.onDelete(db)
+        BookmarkItemsTable.onDelete(db)
     }
 
 

app/src/main/java/fr/free/nrw/commons/License.java

@@ -1,79 +0,0 @@
-package fr.free.nrw.commons;
-
-import androidx.annotation.Nullable;
-
-/**
- * represents Licence object
- */
-public class License {
-    private String key;
-    private String template;
-    private String url;
-    private String name;
-
-    /**
-     * Constructs a new instance of License.
-     *
-     * @param key       license key
-     * @param template  license template
-     * @param url       license URL
-     * @param name      licence name
-     *
-     * @throws RuntimeException if License.key or Licence.template is null
-     */
-    public License(String key, String template, String url, String name) {
-        if (key == null) {
-            throw new RuntimeException("License.key must not be null");
-        }
-        if (template == null) {
-            throw new RuntimeException("License.template must not be null");
-        }
-        this.key = key;
-        this.template = template;
-        this.url = url;
-        this.name = name;
-    }
-
-    /**
-     * Gets the license key.
-     * @return license key as a String.
-     */
-    public String getKey() {
-        return key;
-    }
-
-    /**
-     * Gets the license template.
-     * @return license template as a String.
-     */
-    public String getTemplate() {
-        return template;
-    }
-
-    /**
-     * Gets the license name. If name is null, return license key.
-     * @return license name as string. if name null, license key as String
-     */
-    public String getName() {
-        if (name == null) {
-            // hack
-            return getKey();
-        } else {
-            return name;
-        }
-    }
-
-    /**
-     * Gets the license URL
-     *
-     * @param language license language
-     * @return URL
-     */
-    public @Nullable String getUrl(String language) {
-        if (url == null) {
-            return null;
-        } else {
-            return url.replace("$lang", language);
-        }
-    }
-}

app/src/main/java/fr/free/nrw/commons/MapController.java

@@ -1,30 +0,0 @@
-package fr.free.nrw.commons;
-
-import fr.free.nrw.commons.location.LatLng;
-import fr.free.nrw.commons.nearby.Place;
-import java.util.List;
-
-public abstract class MapController {
-
-    /**
-     * We pass this variable as a group of placeList and boundaryCoordinates
-     */
-    public class NearbyPlacesInfo {
-        public List<Place> placeList; // List of nearby places
-        public LatLng[] boundaryCoordinates; // Corners of nearby area
-        public LatLng currentLatLng; // Current location when this places are populated
-        public LatLng searchLatLng; // Search location for finding this places
-        public List<Media> mediaList; // Search location for finding this places
-    }
-
-    /**
-     * We pass this variable as a group of placeList and boundaryCoordinates
-     */
-    public class ExplorePlacesInfo {
-        public List<Place> explorePlaceList; // List of nearby places
-        public LatLng[] boundaryCoordinates; // Corners of nearby area
-        public LatLng currentLatLng; // Current location when this places are populated
-        public LatLng searchLatLng; // Search location for finding this places
-        public List<Media> mediaList; // Search location for finding this places
-    }
-}

app/src/main/java/fr/free/nrw/commons/MapController.kt

@@ -0,0 +1,46 @@
+package fr.free.nrw.commons
+
+import fr.free.nrw.commons.location.LatLng
+import fr.free.nrw.commons.nearby.Place
+
+abstract class MapController {
+    /**
+     * We pass this variable as a group of placeList and boundaryCoordinates
+     */
+    inner class NearbyPlacesInfo {
+        @JvmField
+        var placeList: List<Place> = emptyList() // List of nearby places
+
+        @JvmField
+        var boundaryCoordinates: Array<LatLng> = emptyArray() // Corners of nearby area
+
+        @JvmField
+        var currentLatLng: LatLng? = null // Current location when this places are populated
+
+        @JvmField
+        var searchLatLng: LatLng? = null // Search location for finding this places
+
+        @JvmField
+        var mediaList: List<Media>? = null // Search location for finding this places
+    }
+
+    /**
+     * We pass this variable as a group of placeList and boundaryCoordinates
+     */
+    inner class ExplorePlacesInfo {
+        @JvmField
+        var explorePlaceList: List<Place> = emptyList() // List of nearby places
+
+        @JvmField
+        var boundaryCoordinates: Array<LatLng> = emptyArray() // Corners of nearby area
+
+        @JvmField
+        var currentLatLng: LatLng? = null // Current location when this places are populated
+
+        @JvmField
+        var searchLatLng: LatLng? = null // Search location for finding this places
+
+        @JvmField
+        var mediaList: List<Media> = emptyList() // Search location for finding this places
+    }
+}

app/src/main/java/fr/free/nrw/commons/Media.kt

@@ -1,7 +1,9 @@
 package fr.free.nrw.commons
 
 import android.os.Parcelable
+import fr.free.nrw.commons.BuildConfig.COMMONS_URL
 import fr.free.nrw.commons.location.LatLng
+import fr.free.nrw.commons.wikidata.model.WikiSite
 import fr.free.nrw.commons.wikidata.model.page.PageTitle
 import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
@@ -28,9 +30,7 @@ class Media constructor(
      */
     var filename: String? = null,
     /**
-     * Gets or sets the file description.
-     * @return file description as a string
-     * @param fallbackDescription the new description of the file
+     * The fallback description of the file, used if no other description is provided.
      */
     var fallbackDescription: String? = null,
     /**
@@ -40,19 +40,25 @@ class Media constructor(
      */
     var dateUploaded: Date? = null,
     /**
-     * Gets or sets the license name of the file.
-     * @return license as a String
-     * @param license license name as a String
+     * The license name of the file.
      */
     var license: String? = null,
+    /**
+     * The URL corresponding to the license.
+     */
     var licenseUrl: String? = null,
     /**
-     * Gets or sets the name of the creator of the file.
-     * @return author name as a String
-     * @param author creator name as a string
+     * The name of the creator of the file.
      */
     var author: String? = null,
+    /**
+     * The username of the uploader.
+     */
     var user: String? = null,
+    /**
+     * The full name of the file's creator, if different from username.
+     */
+    var creatorName: String? = null,
     /**
      * Gets the categories the file falls under.
      * @return file categories as an ArrayList of Strings
@@ -66,6 +72,7 @@ class Media constructor(
     var captions: Map<String, String> = emptyMap(),
     var descriptions: Map<String, String> = emptyMap(),
     var depictionIds: List<String> = emptyList(),
+    var creatorIds: List<String> = emptyList(),
     /**
      * This field was added to find non-hidden categories
      * Stores the mapping of category title to hidden attribute
@@ -130,6 +137,7 @@ class Media constructor(
      * returns user
      * @return Author or User
      */
+    @Deprecated("Use user for uploader username. Use attributedAuthor() for attribution. Note that the uploader may not be the creator/author.")
     fun getAuthorOrUser(): String? {
         return if (!author.isNullOrEmpty()) {
             author
@@ -138,6 +146,19 @@ class Media constructor(
         }
     }
 
+    /**
+     * Returns author if it's not null or empty, otherwise
+     * returns creator name
+     * @return name of author or creator
+     */
+    fun getAttributedAuthor(): String? {
+        return if (!author.isNullOrEmpty()) {
+            author
+        } else{
+            creatorName
+        }
+    }
+
     /**
      * Gets media display title
      * @return Media title
@@ -154,7 +175,8 @@ class Media constructor(
      * Gets file page title
      * @return New media page title
      */
-    val pageTitle: PageTitle get() = Utils.getPageTitle(filename!!)
+    val pageTitle: PageTitle
+        get() = PageTitle(filename!!, WikiSite(COMMONS_URL))
 
     /**
      * Returns wikicode to use the media file on a MediaWiki site

app/src/main/java/fr/free/nrw/commons/MediaDataExtractor.kt

@@ -1,7 +1,7 @@
 package fr.free.nrw.commons
 
 import androidx.core.text.HtmlCompat
-import fr.free.nrw.commons.media.IdAndCaptions
+import fr.free.nrw.commons.media.IdAndLabels
 import fr.free.nrw.commons.media.MediaClient
 import fr.free.nrw.commons.media.PAGE_ID_PREFIX
 import io.reactivex.Single
@@ -23,13 +23,23 @@ class MediaDataExtractor
         private val mediaClient: MediaClient,
     ) {
         fun fetchDepictionIdsAndLabels(media: Media) =
-            mediaClient
+                mediaClient
                 .getEntities(media.depictionIds)
                 .map {
                     it
                         .entities()
                         .mapValues { entry -> entry.value.labels().mapValues { it.value.value() } }
-                }.map { it.map { (key, value) -> IdAndCaptions(key, value) } }
+                }.map { it.map { (key, value) -> IdAndLabels(key, value) } }
+                .onErrorReturn { emptyList() }
+
+        fun fetchCreatorIdsAndLabels(media: Media) =
+            mediaClient
+                .getEntities(media.creatorIds)
+                .map {
+                    it
+                        .entities()
+                        .mapValues { entry -> entry.value.labels().mapValues { it.value.value() } }
+                }.map { it.map { (key, value) -> IdAndLabels(key, value) } }
                 .onErrorReturn { emptyList() }
 
         fun checkDeletionRequestExists(media: Media) = mediaClient.checkPageExistsUsingTitle("Commons:Deletion_requests/" + media.filename)

app/src/main/java/fr/free/nrw/commons/MvpView.java

@@ -1,8 +0,0 @@
-package fr.free.nrw.commons;
-
-/**
- * Base interface for all the views
- */
-public interface MvpView {
-    void showMessage(String message);
-}

app/src/main/java/fr/free/nrw/commons/OkHttpConnectionFactory.java

@@ -1,154 +0,0 @@
-package fr.free.nrw.commons;
-
-import androidx.annotation.NonNull;
-import fr.free.nrw.commons.wikidata.cookies.CommonsCookieJar;
-import java.io.File;
-import java.io.IOException;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-import okhttp3.Cache;
-import okhttp3.Interceptor;
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.Response;
-import okhttp3.ResponseBody;
-import okhttp3.logging.HttpLoggingInterceptor;
-import okhttp3.logging.HttpLoggingInterceptor.Level;
-import timber.log.Timber;
-
-public final class OkHttpConnectionFactory {
-    private static final String CACHE_DIR_NAME = "okhttp-cache";
-    private static final long NET_CACHE_SIZE = 64 * 1024 * 1024;
-
-    public static OkHttpClient CLIENT;
-
-    @NonNull public static OkHttpClient getClient(final CommonsCookieJar cookieJar) {
-        if (CLIENT == null) {
-            CLIENT = createClient(cookieJar);
-        }
-        return CLIENT;
-    }
-
-    @NonNull
-    private static OkHttpClient createClient(final CommonsCookieJar cookieJar) {
-        return new OkHttpClient.Builder()
-                .cookieJar(cookieJar)
-                .cache((CommonsApplication.getInstance()!=null) ? new Cache(new File(CommonsApplication.getInstance().getCacheDir(), CACHE_DIR_NAME), NET_CACHE_SIZE) : null)
-                .connectTimeout(120, TimeUnit.SECONDS)
-                .writeTimeout(120, TimeUnit.SECONDS)
-                .readTimeout(120, TimeUnit.SECONDS)
-                .addInterceptor(getLoggingInterceptor())
-                .addInterceptor(new UnsuccessfulResponseInterceptor())
-                .addInterceptor(new CommonHeaderRequestInterceptor())
-                .build();
-    }
-
-    private static HttpLoggingInterceptor getLoggingInterceptor() {
-        final HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor()
-            .setLevel(Level.BASIC);
-
-        httpLoggingInterceptor.redactHeader("Authorization");
-        httpLoggingInterceptor.redactHeader("Cookie");
-
-        return httpLoggingInterceptor;
-    }
-
-    private static class CommonHeaderRequestInterceptor implements Interceptor {
-
-        @Override
-        @NonNull
-        public Response intercept(@NonNull final Chain chain) throws IOException {
-            final Request request = chain.request().newBuilder()
-                    .header("User-Agent", CommonsApplication.getInstance().getUserAgent())
-                    .build();
-            return chain.proceed(request);
-        }
-    }
-
-    public static class UnsuccessfulResponseInterceptor implements Interceptor {
-        private static final String SUPPRESS_ERROR_LOG = "x-commons-suppress-error-log";
-        public static final String SUPPRESS_ERROR_LOG_HEADER = SUPPRESS_ERROR_LOG+": true";
-        private static final List<String> DO_NOT_INTERCEPT = Collections.singletonList(
-            "api.php?format=json&formatversion=2&errorformat=plaintext&action=upload&ignorewarnings=1");
-
-        private static final String ERRORS_PREFIX = "{\"error";
-
-        @Override
-        @NonNull
-        public Response intercept(@NonNull final Chain chain) throws IOException {
-            final Request rq = chain.request();
-
-            // If the request contains our special "suppress errors" header, make note of it
-            // but don't pass that on to the server.
-            final boolean suppressErrors = rq.headers().names().contains(SUPPRESS_ERROR_LOG);
-            final Request request = rq.newBuilder()
-                .removeHeader(SUPPRESS_ERROR_LOG)
-                .build();
-
-            final Response rsp = chain.proceed(request);
-
-            // Do not intercept certain requests and let the caller handle the errors
-            if(isExcludedUrl(chain.request())) {
-                return rsp;
-            }
-            if (rsp.isSuccessful()) {
-                try (final ResponseBody responseBody = rsp.peekBody(ERRORS_PREFIX.length())) {
-                    if (ERRORS_PREFIX.equals(responseBody.string())) {
-                        try (final ResponseBody body = rsp.body()) {
-                            throw new IOException(body.string());
-                        }
-                    }
-                } catch (final IOException e) {
-                    // Log the error as debug (and therefore, "expected") or at error level
-                    if (suppressErrors) {
-                        Timber.d(e, "Suppressed (known / expected) error");
-                    } else {
-                        Timber.e(e);
-                    }
-                }
-                return rsp;
-            }
-            throw new HttpStatusException(rsp);
-        }
-
-        private boolean isExcludedUrl(final Request request) {
-            final String requestUrl = request.url().toString();
-            for(final String url: DO_NOT_INTERCEPT) {
-                if(requestUrl.contains(url)) {
-                    return true;
-                }
-            }
-            return false;
-        }
-    }
-
-    private OkHttpConnectionFactory() {
-    }
-
-    public static class HttpStatusException extends IOException {
-        private final int code;
-        private final String url;
-        public HttpStatusException(@NonNull Response rsp) {
-            this.code = rsp.code();
-            this.url = rsp.request().url().uri().toString();
-            try {
-                if (rsp.body() != null && rsp.body().contentType() != null
-                        && rsp.body().contentType().toString().contains("json")) {
-                }
-            } catch (Exception e) {
-                // Log?
-            }
-        }
-
-        public int code() {
-            return code;
-        }
-
-        @Override
-        public String getMessage() {
-            String str = "Code: " + code + ", URL: " + url;
-            return str;
-        }
-    }
-}

app/src/main/java/fr/free/nrw/commons/OkHttpConnectionFactory.kt

@@ -0,0 +1,135 @@
+package fr.free.nrw.commons
+
+import androidx.annotation.VisibleForTesting
+import fr.free.nrw.commons.wikidata.GsonUtil
+import fr.free.nrw.commons.wikidata.cookies.CommonsCookieJar
+import fr.free.nrw.commons.wikidata.mwapi.MwErrorResponse
+import fr.free.nrw.commons.wikidata.mwapi.MwIOException
+import fr.free.nrw.commons.wikidata.mwapi.MwLegacyServiceError
+import okhttp3.Cache
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import okhttp3.logging.HttpLoggingInterceptor
+import timber.log.Timber
+import java.io.File
+import java.io.IOException
+import java.util.concurrent.TimeUnit
+
+object OkHttpConnectionFactory {
+    private const val CACHE_DIR_NAME = "okhttp-cache"
+    private const val NET_CACHE_SIZE = (64 * 1024 * 1024).toLong()
+
+    @VisibleForTesting
+    var CLIENT: OkHttpClient? = null
+
+    fun getClient(cookieJar: CommonsCookieJar): OkHttpClient {
+        if (CLIENT == null) {
+            CLIENT = createClient(cookieJar)
+        }
+        return CLIENT!!
+    }
+
+    private fun createClient(cookieJar: CommonsCookieJar): OkHttpClient {
+        return OkHttpClient.Builder()
+            .cookieJar(cookieJar)
+            .cache(
+                if (CommonsApplication.instance != null) Cache(
+                    File(CommonsApplication.instance.cacheDir, CACHE_DIR_NAME),
+                    NET_CACHE_SIZE
+                ) else null
+            )
+            .connectTimeout(120, TimeUnit.SECONDS)
+            .writeTimeout(120, TimeUnit.SECONDS)
+            .readTimeout(120, TimeUnit.SECONDS)
+            .addInterceptor(HttpLoggingInterceptor().apply {
+                setLevel(HttpLoggingInterceptor.Level.BASIC)
+                redactHeader("Authorization")
+                redactHeader("Cookie")
+            })
+            .addInterceptor(UnsuccessfulResponseInterceptor())
+            .addInterceptor(CommonHeaderRequestInterceptor())
+            .build()
+    }
+}
+
+class CommonHeaderRequestInterceptor : Interceptor {
+    @Throws(IOException::class)
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request().newBuilder()
+            .header("User-Agent", CommonsApplication.instance.userAgent)
+            .build()
+        return chain.proceed(request)
+    }
+}
+
+private const val SUPPRESS_ERROR_LOG = "x-commons-suppress-error-log"
+const val SUPPRESS_ERROR_LOG_HEADER: String = "$SUPPRESS_ERROR_LOG: true"
+
+private class UnsuccessfulResponseInterceptor : Interceptor {
+    @Throws(IOException::class)
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val rq = chain.request()
+
+        // If the request contains our special "suppress errors" header, make note of it
+        // but don't pass that on to the server.
+        val suppressErrors = rq.headers.names().contains(SUPPRESS_ERROR_LOG)
+        val request = rq.newBuilder()
+            .removeHeader(SUPPRESS_ERROR_LOG)
+            .build()
+
+        val rsp = chain.proceed(request)
+
+        // Do not intercept certain requests and let the caller handle the errors
+        if (isExcludedUrl(chain.request())) {
+            return rsp
+        }
+        if (rsp.isSuccessful) {
+            try {
+                rsp.peekBody(ERRORS_PREFIX.length.toLong()).use { responseBody ->
+                    if (ERRORS_PREFIX == responseBody.string()) {
+                        rsp.body.use { body ->
+                            val bodyString = body!!.string()
+
+                            throw MwIOException(
+                                "MediaWiki API returned error: $bodyString",
+                                GsonUtil.defaultGson.fromJson(
+                                    bodyString,
+                                    MwErrorResponse::class.java
+                                ).error!!,
+                            )
+                        }
+                    }
+                }
+            } catch (e: MwIOException) {
+                // Log the error as debug (and therefore, "expected") or at error level
+                if (suppressErrors) {
+                    Timber.d(e, "Suppressed (known / expected) error")
+                } else {
+                    Timber.e(e)
+                    throw e
+                }
+            }
+            return rsp
+        }
+        throw IOException("Unsuccessful response")
+    }
+
+    private fun isExcludedUrl(request: Request): Boolean {
+        val requestUrl = request.url.toString()
+        for (url in DO_NOT_INTERCEPT) {
+            if (requestUrl.contains(url)) {
+                return true
+            }
+        }
+        return false
+    }
+
+    companion object {
+        val DO_NOT_INTERCEPT = listOf(
+            "api.php?format=json&formatversion=2&errorformat=plaintext&action=upload&ignorewarnings=1"
+        )
+        const val ERRORS_PREFIX = "{\"error"
+    }
+}

app/src/main/java/fr/free/nrw/commons/Utils.java

@@ -1,264 +0,0 @@
-package fr.free.nrw.commons;
-
-import android.content.ClipData;
-import android.content.ClipboardManager;
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.net.Uri;
-import android.text.SpannableString;
-import android.text.style.UnderlineSpan;
-import android.view.View;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.browser.customtabs.CustomTabColorSchemeParams;
-import androidx.browser.customtabs.CustomTabsIntent;
-import androidx.core.content.ContextCompat;
-
-import java.util.Calendar;
-import java.util.Date;
-import fr.free.nrw.commons.wikidata.model.WikiSite;
-import fr.free.nrw.commons.wikidata.model.page.PageTitle;
-
-import java.util.Locale;
-import java.util.regex.Pattern;
-
-import fr.free.nrw.commons.location.LatLng;
-import fr.free.nrw.commons.settings.Prefs;
-import fr.free.nrw.commons.utils.ViewUtil;
-import timber.log.Timber;
-
-public class Utils {
-
-    public static PageTitle getPageTitle(@NonNull String title) {
-        return new PageTitle(title, new WikiSite(BuildConfig.COMMONS_URL));
-    }
-
-    /**
-     * Generates licence name with given ID
-     * @param license License ID
-     * @return Name of license
-     */
-    public static int licenseNameFor(String license) {
-        switch (license) {
-            case Prefs.Licenses.CC_BY_3:
-                return R.string.license_name_cc_by;
-            case Prefs.Licenses.CC_BY_4:
-                return R.string.license_name_cc_by_four;
-            case Prefs.Licenses.CC_BY_SA_3:
-                return R.string.license_name_cc_by_sa;
-            case Prefs.Licenses.CC_BY_SA_4:
-                return R.string.license_name_cc_by_sa_four;
-            case Prefs.Licenses.CC0:
-                return R.string.license_name_cc0;
-        }
-        throw new IllegalStateException("Unrecognized license value: " + license);
-    }
-
-    /**
-     * Generates license url with given ID
-     * @param license License ID
-     * @return Url of license
-     */
-
-
-    @NonNull
-    public static String licenseUrlFor(String license) {
-        switch (license) {
-            case Prefs.Licenses.CC_BY_3:
-                return "https://creativecommons.org/licenses/by/3.0/";
-            case Prefs.Licenses.CC_BY_4:
-                return "https://creativecommons.org/licenses/by/4.0/";
-            case Prefs.Licenses.CC_BY_SA_3:
-                return "https://creativecommons.org/licenses/by-sa/3.0/";
-            case Prefs.Licenses.CC_BY_SA_4:
-                return "https://creativecommons.org/licenses/by-sa/4.0/";
-            case Prefs.Licenses.CC0:
-                return "https://creativecommons.org/publicdomain/zero/1.0/";
-            default:
-                throw new IllegalStateException("Unrecognized license value: " + license);
-        }
-    }
-
-    /**
-     * Adds extension to filename. Converts to .jpg if system provides .jpeg, adds .jpg if no extension detected
-     * @param title File name
-     * @param extension Correct extension
-     * @return File with correct extension
-     */
-    public static String fixExtension(String title, String extension) {
-        Pattern jpegPattern = Pattern.compile("\\.jpeg$", Pattern.CASE_INSENSITIVE);
-
-        // People are used to ".jpg" more than ".jpeg" which the system gives us.
-        if (extension != null && extension.toLowerCase(Locale.ENGLISH).equals("jpeg")) {
-            extension = "jpg";
-        }
-        title = jpegPattern.matcher(title).replaceFirst(".jpg");
-        if (extension != null && !title.toLowerCase(Locale.getDefault())
-                .endsWith("." + extension.toLowerCase(Locale.ENGLISH))) {
-            title += "." + extension;
-        }
-
-        // If extension is still null, make it jpg. (Hotfix for https://github.com/commons-app/apps-android-commons/issues/228)
-        // If title has an extension in it, if won't be true
-        if (extension == null && title.lastIndexOf(".")<=0) {
-           extension = "jpg";
-           title += "." + extension;
-        }
-
-        return title;
-    }
-
-    /**
-     * Launches intent to rate app
-     * @param context
-     */
-    public static void rateApp(Context context) {
-        final String appPackageName = context.getPackageName();
-        try {
-            context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(Urls.PLAY_STORE_PREFIX + appPackageName)));
-        }
-        catch (android.content.ActivityNotFoundException anfe) {
-            handleWebUrl(context, Uri.parse(Urls.PLAY_STORE_URL_PREFIX + appPackageName));
-        }
-    }
-
-    /**
-     * Opens Custom Tab Activity with in-app browser for the specified URL.
-     * Launches intent for web URL
-     * @param context
-     * @param url
-     */
-    public static void handleWebUrl(Context context, Uri url) {
-        Timber.d("Launching web url %s", url.toString());
-
-        final CustomTabColorSchemeParams color = new CustomTabColorSchemeParams.Builder()
-            .setToolbarColor(ContextCompat.getColor(context, R.color.primaryColor))
-            .setSecondaryToolbarColor(ContextCompat.getColor(context, R.color.primaryDarkColor))
-            .build();
-
-        CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
-        builder.setDefaultColorSchemeParams(color);
-        builder.setExitAnimations(context, android.R.anim.slide_in_left, android.R.anim.slide_out_right);
-        CustomTabsIntent customTabsIntent = builder.build();
-        // Clear previous browser tasks, so that back/exit buttons work as intended.
-        customTabsIntent.intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
-        customTabsIntent.launchUrl(context, url);
-    }
-
-    /**
-     * Util function to handle geo coordinates. It no longer depends on google maps and any app
-     * capable of handling the map intent can handle it
-     *
-     * @param context The context for launching intent
-     * @param latLng  The latitude and longitude of the location
-     */
-    public static void handleGeoCoordinates(final Context context, final LatLng latLng) {
-        handleGeoCoordinates(context, latLng, 16);
-    }
-
-    /**
-     * Util function to handle geo coordinates with specified zoom level. It no longer depends on
-     * google maps and any app capable of handling the map intent can handle it
-     *
-     * @param context   The context for launching intent
-     * @param latLng    The latitude and longitude of the location
-     * @param zoomLevel The zoom level
-     */
-    public static void handleGeoCoordinates(final Context context, final LatLng latLng,
-        final double zoomLevel) {
-        final Intent mapIntent = new Intent(Intent.ACTION_VIEW, latLng.getGmmIntentUri(zoomLevel));
-        if (mapIntent.resolveActivity(context.getPackageManager()) != null) {
-            context.startActivity(mapIntent);
-        } else {
-            ViewUtil.showShortToast(context, context.getString(R.string.map_application_missing));
-        }
-    }
-
-    /**
-     * To take screenshot of the screen and return it in Bitmap format
-     *
-     * @param view
-     * @return
-     */
-    public static Bitmap getScreenShot(View view) {
-        View screenView = view.getRootView();
-        screenView.setDrawingCacheEnabled(true);
-        Bitmap drawingCache = screenView.getDrawingCache();
-        if (drawingCache != null) {
-            Bitmap bitmap = Bitmap.createBitmap(drawingCache);
-            screenView.setDrawingCacheEnabled(false);
-            return bitmap;
-        }
-        return null;
-    }
-
-    /*
-    *Copies the content to the clipboard
-    *
-    */
-    public static void copy(String label,String text, Context context){
-        ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
-        ClipData clip = ClipData.newPlainText(label, text);
-        clipboard.setPrimaryClip(clip);
-    }
-
-    /**
-     * This method sets underlined string text to a TextView
-     *
-     * @param textView TextView associated with string resource
-     * @param stringResourceName string resource name
-     * @param context
-     */
-    public static void setUnderlinedText(TextView textView, int stringResourceName, Context context) {
-        SpannableString content = new SpannableString(context.getString(stringResourceName));
-        content.setSpan(new UnderlineSpan(), 0, content.length(), 0);
-        textView.setText(content);
-    }
-
-    /**
-     * For now we are enabling the monuments only when the date lies between 1 Sept & 31 OCt
-     * @param date
-     * @return
-     */
-    public static boolean isMonumentsEnabled(final Date date) {
-        if (date.getMonth() == 8) {
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * Util function to get the start date of wlm monument
-     * For this release we are hardcoding it to be 1st September
-     * @return
-     */
-    public static String getWLMStartDate() {
-        return "1 Sep";
-    }
-
-    /***
-     * Util function to get the end date of wlm monument
-     * For this release we are hardcoding it to be 31st October
-     * @return
-     */
-    public static String getWLMEndDate() {
-        return "30 Sep";
-    }
-
-    /***
-     * Function to get the current WLM year
-     * It increments at the start of September in line with the other WLM functions
-     * (No consideration of locales for now)
-     * @param calendar
-     * @return
-     */
-    public static int getWikiLovesMonumentsYear(Calendar calendar) {
-        int year = calendar.get(Calendar.YEAR);
-        if (calendar.get(Calendar.MONTH) < Calendar.SEPTEMBER) {
-            year -= 1;
-        }
-        return year;
-    }
-}

app/src/main/java/fr/free/nrw/commons/ViewHolder.java

@@ -1,7 +0,0 @@
-package fr.free.nrw.commons;
-
-import android.content.Context;
-
-public interface ViewHolder<T> {
-    void bindModel(Context context, T model);
-}

app/src/main/java/fr/free/nrw/commons/ViewPagerAdapter.java

@@ -1,57 +0,0 @@
-package fr.free.nrw.commons;
-
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentPagerAdapter;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * This adapter will be used to display fragments in a ViewPager
- */
-public class ViewPagerAdapter extends FragmentPagerAdapter {
-    private List<Fragment> fragmentList = new ArrayList<>();
-    private List<String> fragmentTitleList = new ArrayList<>();
-
-    public ViewPagerAdapter(FragmentManager manager) {
-        super(manager);
-    }
-
-    /**
-     * This method returns the fragment of the viewpager at a particular position
-     * @param position
-     */
-    @Override
-    public Fragment getItem(int position) {
-        return fragmentList.get(position);
-    }
-
-    /**
-     * This method returns the total number of fragments in the viewpager.
-     * @return size
-     */
-    @Override
-    public int getCount() {
-        return fragmentList.size();
-    }
-
-    /**
-     * This method sets the fragment and title list in the viewpager
-     * @param fragmentList List of all fragments to be displayed in the viewpager
-     * @param fragmentTitleList List of all titles of the fragments
-     */
-    public void setTabData(List<Fragment> fragmentList, List<String> fragmentTitleList) {
-        this.fragmentList = fragmentList;
-        this.fragmentTitleList = fragmentTitleList;
-    }
-
-    /**
-     * This method returns the title of the page at a particular position
-     * @param position
-     */
-    @Override
-    public CharSequence getPageTitle(int position) {
-        return fragmentTitleList.get(position);
-    }
-}

app/src/main/java/fr/free/nrw/commons/ViewPagerAdapter.kt

@@ -0,0 +1,44 @@
+package fr.free.nrw.commons
+
+import android.content.Context
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentPagerAdapter
+import java.util.Locale
+
+/**
+ * This adapter will be used to display fragments in a ViewPager
+ */
+class ViewPagerAdapter : FragmentPagerAdapter {
+    private val context: Context
+    private var fragmentList: List<Fragment> = emptyList()
+    private var fragmentTitleList: List<String> = emptyList()
+
+    constructor(context: Context, manager: FragmentManager) : super(manager) {
+        this.context = context
+    }
+
+    constructor(context: Context, manager: FragmentManager, behavior: Int) : super(manager, behavior) {
+        this.context = context
+    }
+
+    override fun getItem(position: Int): Fragment = fragmentList[position]
+
+    override fun getPageTitle(position: Int): CharSequence = fragmentTitleList[position]
+
+    override fun getCount(): Int = fragmentList.size
+
+    fun setTabs(vararg titlesToFragments: Pair<Int, Fragment>) {
+        // Enforce that every title must come from strings.xml and all will consistently be uppercase
+        fragmentTitleList = titlesToFragments.map {
+            context.getString(it.first).uppercase(Locale.ROOT)
+        }
+        fragmentList = titlesToFragments.map { it.second }
+    }
+
+    companion object {
+        // Convenience method for Java callers, can be removed when everything is migrated
+        @JvmStatic
+        fun pairOf(first: Int, second: Fragment) = first to second
+    }
+}

app/src/main/java/fr/free/nrw/commons/WelcomeActivity.java

@@ -1,109 +0,0 @@
-package fr.free.nrw.commons;
-
-import android.app.AlertDialog;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-import fr.free.nrw.commons.databinding.ActivityWelcomeBinding;
-import fr.free.nrw.commons.databinding.PopupForCopyrightBinding;
-import fr.free.nrw.commons.quiz.QuizActivity;
-import fr.free.nrw.commons.theme.BaseActivity;
-import fr.free.nrw.commons.utils.ConfigUtils;
-
-public class WelcomeActivity extends BaseActivity {
-
-    private ActivityWelcomeBinding binding;
-    private PopupForCopyrightBinding copyrightBinding;
-
-    private final WelcomePagerAdapter adapter = new WelcomePagerAdapter();
-    private boolean isQuiz;
-    private AlertDialog.Builder dialogBuilder;
-    private AlertDialog dialog;
-
-    /**
-     * Initialises exiting fields and dependencies
-     *
-     * @param savedInstanceState WelcomeActivity bundled data
-     */
-    @Override
-    public void onCreate(final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        binding = ActivityWelcomeBinding.inflate(getLayoutInflater());
-        final View view = binding.getRoot();
-        setContentView(view);
-
-        if (getIntent() != null) {
-            final Bundle bundle = getIntent().getExtras();
-            if (bundle != null) {
-                isQuiz = bundle.getBoolean("isQuiz");
-            }
-        } else {
-            isQuiz = false;
-        }
-
-        // Enable skip button if beta flavor
-        if (ConfigUtils.isBetaFlavour()) {
-            binding.finishTutorialButton.setVisibility(View.VISIBLE);
-
-            dialogBuilder = new AlertDialog.Builder(this);
-            copyrightBinding = PopupForCopyrightBinding.inflate(getLayoutInflater());
-            final View contactPopupView = copyrightBinding.getRoot();
-            dialogBuilder.setView(contactPopupView);
-            dialogBuilder.setCancelable(false);
-            dialog = dialogBuilder.create();
-            dialog.show();
-
-            copyrightBinding.buttonOk.setOnClickListener(v -> dialog.dismiss());
-        }
-
-        binding.welcomePager.setAdapter(adapter);
-        binding.welcomePagerIndicator.setViewPager(binding.welcomePager);
-
-        binding.finishTutorialButton.setOnClickListener(v -> finishTutorial());
-
-    }
-
-    /**
-     * References WelcomePageAdapter to null before the activity is destroyed
-     */
-    @Override
-    public void onDestroy() {
-        if (isQuiz) {
-            final Intent i = new Intent(this, QuizActivity.class);
-            startActivity(i);
-        }
-        super.onDestroy();
-    }
-
-    /**
-     * Creates a way to change current activity to WelcomeActivity
-     *
-     * @param context Activity context
-     */
-    public static void startYourself(final Context context) {
-        final Intent welcomeIntent = new Intent(context, WelcomeActivity.class);
-        context.startActivity(welcomeIntent);
-    }
-
-    /**
-     * Override onBackPressed() to go to previous tutorial 'pages' if not on first page
-     */
-    @Override
-    public void onBackPressed() {
-        if (binding.welcomePager.getCurrentItem() != 0) {
-            binding.welcomePager.setCurrentItem(binding.welcomePager.getCurrentItem() - 1, true);
-        } else {
-            if (defaultKvStore.getBoolean("firstrun", true)) {
-                finishAffinity();
-            } else {
-                super.onBackPressed();
-            }
-        }
-    }
-
-    public void finishTutorial() {
-        defaultKvStore.putBoolean("firstrun", false);
-        finish();
-    }
-}

app/src/main/java/fr/free/nrw/commons/WelcomeActivity.kt

@@ -0,0 +1,80 @@
+package fr.free.nrw.commons
+
+import android.app.AlertDialog
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import android.view.View
+import fr.free.nrw.commons.databinding.ActivityWelcomeBinding
+import fr.free.nrw.commons.databinding.PopupForCopyrightBinding
+import fr.free.nrw.commons.quiz.QuizActivity
+import fr.free.nrw.commons.theme.BaseActivity
+import fr.free.nrw.commons.utils.applyEdgeToEdgeAllInsets
+import fr.free.nrw.commons.utils.ConfigUtils.isBetaFlavour
+
+class WelcomeActivity : BaseActivity() {
+    private var binding: ActivityWelcomeBinding? = null
+    private var isQuiz = false
+
+    /**
+     * Initialises exiting fields and dependencies
+     *
+     * @param savedInstanceState WelcomeActivity bundled data
+     */
+    public override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityWelcomeBinding.inflate(layoutInflater)
+        applyEdgeToEdgeAllInsets(binding!!.welcomePager.rootView)
+        setContentView(binding!!.root)
+
+        isQuiz = intent?.extras?.getBoolean("isQuiz", false) ?: false
+
+        // Enable skip button if beta flavor
+        if (isBetaFlavour) {
+            binding!!.finishTutorialButton.visibility = View.VISIBLE
+
+            val copyrightBinding = PopupForCopyrightBinding.inflate(layoutInflater)
+
+            val dialog = AlertDialog.Builder(this)
+                .setView(copyrightBinding.root)
+                .setCancelable(false)
+                .create()
+            dialog.show()
+
+            copyrightBinding.buttonOk.setOnClickListener { v: View? -> dialog.dismiss() }
+        }
+
+        val adapter = WelcomePagerAdapter()
+        binding!!.welcomePager.adapter = adapter
+        binding!!.welcomePagerIndicator.setViewPager(binding!!.welcomePager)
+        binding!!.finishTutorialButton.setOnClickListener { v: View? -> finishTutorial() }
+    }
+
+    public override fun onDestroy() {
+        if (isQuiz) {
+            startActivity(Intent(this, QuizActivity::class.java))
+        }
+        super.onDestroy()
+    }
+
+    override fun onBackPressed() {
+        if (binding!!.welcomePager.currentItem != 0) {
+            binding!!.welcomePager.setCurrentItem(binding!!.welcomePager.currentItem - 1, true)
+        } else {
+            if (defaultKvStore.getBoolean("firstrun", true)) {
+                finishAffinity()
+            } else {
+                super.onBackPressed()
+            }
+        }
+    }
+
+    fun finishTutorial() {
+        defaultKvStore.putBoolean("firstrun", false)
+        finish()
+    }
+}
+
+fun Context.startWelcome() {
+    startActivity(Intent(this, WelcomeActivity::class.java))
+}

app/src/main/java/fr/free/nrw/commons/WelcomePagerAdapter.java

@@ -1,74 +0,0 @@
-package fr.free.nrw.commons;
-
-import android.net.Uri;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.viewpager.widget.PagerAdapter;
-
-public class WelcomePagerAdapter extends PagerAdapter {
-    private static final int[] PAGE_LAYOUTS = new int[]{
-            R.layout.welcome_wikipedia,
-            R.layout.welcome_do_upload,
-            R.layout.welcome_dont_upload,
-            R.layout.welcome_image_example,
-            R.layout.welcome_final
-    };
-
-    /**
-     * Gets total number of layouts
-     * @return Number of layouts
-     */
-    @Override
-    public int getCount() {
-        return PAGE_LAYOUTS.length;
-    }
-
-    /**
-     * Compares given view with provided object
-     * @param view Adapter view
-     * @param object Adapter object
-     * @return Equality between view and object
-     */
-    @Override
-    public boolean isViewFromObject(View view, Object object) {
-        return (view == object);
-    }
-
-    @Override
-    public Object instantiateItem(ViewGroup container, int position) {
-        LayoutInflater inflater = LayoutInflater.from(container.getContext());
-        ViewGroup layout = (ViewGroup) inflater.inflate(PAGE_LAYOUTS[position], container, false);
-
-        // If final page
-        if (position == PAGE_LAYOUTS.length - 1) {
-            // Add link to more information
-            TextView moreInfo = layout.findViewById(R.id.welcomeInfo);
-            Utils.setUnderlinedText(moreInfo, R.string.welcome_help_button_text, container.getContext());
-            moreInfo.setOnClickListener(view -> Utils.handleWebUrl(
-                    container.getContext(),
-                    Uri.parse("https://commons.wikimedia.org/wiki/Help:Contents")
-            ));
-
-            // Handle click of finishTutorialButton ("YES!" button) inside layout
-            layout.findViewById(R.id.finishTutorialButton)
-                    .setOnClickListener(view -> ((WelcomeActivity) container.getContext()).finishTutorial());
-        }
-
-        container.addView(layout);
-        return layout;
-    }
-
-    /**
-     * Provides a way to remove an item from container
-     * @param container Adapter view group container
-     * @param position Index of item
-     * @param obj Adapter object
-     */
-    @Override
-    public void destroyItem(ViewGroup container, int position, Object obj) {
-        container.removeView((View) obj);
-    }
-}

app/src/main/java/fr/free/nrw/commons/WelcomePagerAdapter.kt

@@ -0,0 +1,70 @@
+package fr.free.nrw.commons
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.core.net.toUri
+import androidx.viewpager.widget.PagerAdapter
+import fr.free.nrw.commons.utils.UnderlineUtils.setUnderlinedText
+import fr.free.nrw.commons.utils.handleWebUrl
+
+class WelcomePagerAdapter : PagerAdapter() {
+    /**
+     * Gets total number of layouts
+     * @return Number of layouts
+     */
+    override fun getCount(): Int = PAGE_LAYOUTS.size
+
+    /**
+     * Compares given view with provided object
+     * @param view Adapter view
+     * @param obj Adapter object
+     * @return Equality between view and object
+     */
+    override fun isViewFromObject(view: View, obj: Any): Boolean = (view === obj)
+
+    /**
+     * Provides a way to remove an item from container
+     * @param container Adapter view group container
+     * @param position Index of item
+     * @param obj Adapter object
+     */
+    override fun destroyItem(container: ViewGroup, position: Int, obj: Any) =
+        container.removeView(obj as View)
+
+    override fun instantiateItem(container: ViewGroup, position: Int): Any {
+        val inflater = LayoutInflater.from(container.context)
+        val layout = inflater.inflate(PAGE_LAYOUTS[position], container, false) as ViewGroup
+
+        // If final page
+        if (position == PAGE_LAYOUTS.size - 1) {
+            // Add link to more information
+            val moreInfo = layout.findViewById<TextView>(R.id.welcomeInfo)
+            setUnderlinedText(moreInfo, R.string.welcome_help_button_text)
+            moreInfo.setOnClickListener {
+                handleWebUrl(
+                    container.context,
+                    "https://commons.wikimedia.org/wiki/Help:Contents".toUri()
+                )
+            }
+
+            // Handle click of finishTutorialButton ("YES!" button) inside layout
+            layout.findViewById<View>(R.id.finishTutorialButton)
+                .setOnClickListener { view: View? -> (container.context as WelcomeActivity).finishTutorial() }
+        }
+
+        container.addView(layout)
+        return layout
+    }
+
+    companion object {
+        private val PAGE_LAYOUTS = intArrayOf(
+            R.layout.welcome_wikipedia,
+            R.layout.welcome_do_upload,
+            R.layout.welcome_dont_upload,
+            R.layout.welcome_image_example,
+            R.layout.welcome_final
+        )
+    }
+}

app/src/main/java/fr/free/nrw/commons/actions/PageEditInterface.kt

@@ -129,9 +129,10 @@ interface PageEditInterface {
     ): Observable<Entities>
 
     /**
-     * Get wiki text for provided file names
-     * @param titles : Name of the file
-     * @return Single<MwQueryResult>
+     * Gets the wiki text for the provided file name.
+     *
+     * @param title The title (name) of the file to fetch wiki text for.
+     * @return A Single emitting the wiki query response.
      */
     @GET(MW_API_PREFIX + "action=query&prop=revisions&rvprop=content|timestamp&rvlimit=1&converttitles=")
     fun getWikiText(

app/src/main/java/fr/free/nrw/commons/activity/SingleWebViewActivity.kt

@@ -158,7 +158,9 @@ class SingleWebViewActivity : ComponentActivity() {
 
                     webChromeClient = object : WebChromeClient() {
                         override fun onConsoleMessage(message: ConsoleMessage): Boolean {
-                            Timber.d("Console: ${message.message()} -- From line ${message.lineNumber()} of ${message.sourceId()}")
+                            Timber.d("%s%s",
+                                "Console: ${message.message()} -- From line ",
+                                "${message.lineNumber()} of ${message.sourceId()}")
                             return true
                         }
                     }

app/src/main/java/fr/free/nrw/commons/auth/LoginActivity.kt

@@ -22,10 +22,10 @@ import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.app.NavUtils
 import androidx.core.content.ContextCompat
+import androidx.core.view.WindowCompat
 import fr.free.nrw.commons.BuildConfig
 import fr.free.nrw.commons.CommonsApplication
 import fr.free.nrw.commons.R
-import fr.free.nrw.commons.Utils
 import fr.free.nrw.commons.auth.login.LoginCallback
 import fr.free.nrw.commons.auth.login.LoginClient
 import fr.free.nrw.commons.auth.login.LoginResult
@@ -33,11 +33,14 @@ import fr.free.nrw.commons.contributions.MainActivity
 import fr.free.nrw.commons.databinding.ActivityLoginBinding
 import fr.free.nrw.commons.di.ApplicationlessInjection
 import fr.free.nrw.commons.kvstore.JsonKvStore
+import fr.free.nrw.commons.utils.applyEdgeToEdgeAllInsets
 import fr.free.nrw.commons.utils.AbstractTextWatcher
 import fr.free.nrw.commons.utils.ActivityUtils.startActivityWithFlags
 import fr.free.nrw.commons.utils.ConfigUtils.isBetaFlavour
 import fr.free.nrw.commons.utils.SystemThemeUtils
 import fr.free.nrw.commons.utils.ViewUtil.hideKeyboard
+import fr.free.nrw.commons.utils.handleKeyboardInsets
+import fr.free.nrw.commons.utils.handleWebUrl
 import io.reactivex.disposables.CompositeDisposable
 import timber.log.Timber
 import java.util.Locale
@@ -65,6 +68,7 @@ class LoginActivity : AccountAuthenticatorActivity() {
     private val delegate: AppCompatDelegate by lazy {
         AppCompatDelegate.create(this, null)
     }
+    private var lastLoginResult: LoginResult? = null
 
     public override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -78,7 +82,14 @@ class LoginActivity : AccountAuthenticatorActivity() {
         delegate.installViewFactory()
         delegate.onCreate(savedInstanceState)
 
+        WindowCompat.getInsetsController(window, window.decorView)
+            .isAppearanceLightStatusBars = !isDarkTheme
+
+        WindowCompat.setDecorFitsSystemWindows(window, false)
+
         binding = ActivityLoginBinding.inflate(layoutInflater)
+        applyEdgeToEdgeAllInsets(binding!!.root)
+        binding!!.root.handleKeyboardInsets()
         with(binding!!) {
             setContentView(root)
 
@@ -91,7 +102,19 @@ class LoginActivity : AccountAuthenticatorActivity() {
             aboutPrivacyPolicy.setOnClickListener { onPrivacyPolicyClicked() }
             signUpButton.setOnClickListener { signUp() }
             loginButton.setOnClickListener { performLogin() }
-            loginPassword.setOnEditorActionListener(::onEditorAction)
+            loginPassword.setOnEditorActionListener { textView, actionId, keyEvent ->
+                if (binding!!.loginButton.isEnabled && isTriggerAction(actionId, keyEvent)) {
+                    if (actionId == EditorInfo.IME_ACTION_NEXT && lastLoginResult != null) {
+                        askUserForTwoFactorAuthWithKeyboard()
+                        true
+                    } else {
+                        performLogin()
+                        true
+                    }
+                } else {
+                    false
+                }
+            }
 
             loginPassword.onFocusChangeListener =
                 View.OnFocusChangeListener(::onPasswordFocusChanged)
@@ -112,6 +135,39 @@ class LoginActivity : AccountAuthenticatorActivity() {
         }
     }
 
+    @VisibleForTesting
+    fun askUserForTwoFactorAuthWithKeyboard() {
+        if (binding == null) {
+            Timber.w("Binding is null, reinitializing in askUserForTwoFactorAuthWithKeyboard")
+            binding = ActivityLoginBinding.inflate(layoutInflater)
+            setContentView(binding!!.root)
+        }
+        progressDialog!!.dismiss()
+        if (binding != null) {
+            with(binding!!) {
+                twoFactorContainer.visibility = View.VISIBLE
+                twoFactorContainer.hint = getString(if (lastLoginResult is LoginResult.EmailAuthResult) R.string.email_auth_code else R.string._2fa_code)
+                loginTwoFactor.visibility = View.VISIBLE
+                loginTwoFactor.requestFocus()
+
+                val imm = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
+                imm.showSoftInput(loginTwoFactor, InputMethodManager.SHOW_IMPLICIT)
+
+                loginTwoFactor.setOnEditorActionListener { _, actionId, event ->
+                    if (actionId == EditorInfo.IME_ACTION_DONE ||
+                        (event != null && event.keyCode == KeyEvent.KEYCODE_ENTER && event.action == KeyEvent.ACTION_DOWN)) {
+                        performLogin()
+                        true
+                    } else {
+                        false
+                    }
+                }
+            }
+        } else {
+            Timber.e("Binding is null in askUserForTwoFactorAuthWithKeyboard after reinitialization attempt")
+        }
+        showMessageAndCancelDialog(getString(if (lastLoginResult is LoginResult.EmailAuthResult) R.string.login_failed_email_auth_needed else R.string.login_failed_2fa_needed))
+    }
     override fun onPostCreate(savedInstanceState: Bundle?) {
         super.onPostCreate(savedInstanceState)
         delegate.onPostCreate(savedInstanceState)
@@ -235,7 +291,7 @@ class LoginActivity : AccountAuthenticatorActivity() {
         } else false
 
     private fun isTriggerAction(actionId: Int, keyEvent: KeyEvent?) =
-        actionId == EditorInfo.IME_ACTION_DONE || keyEvent?.keyCode == KeyEvent.KEYCODE_ENTER
+        actionId == EditorInfo.IME_ACTION_NEXT || actionId == EditorInfo.IME_ACTION_DONE || keyEvent?.keyCode == KeyEvent.KEYCODE_ENTER
 
     private fun skipLogin() {
         AlertDialog.Builder(this)
@@ -253,10 +309,10 @@ class LoginActivity : AccountAuthenticatorActivity() {
     }
 
     private fun forgotPassword() =
-        Utils.handleWebUrl(this, Uri.parse(BuildConfig.FORGOT_PASSWORD_URL))
+        handleWebUrl(this, Uri.parse(BuildConfig.FORGOT_PASSWORD_URL))
 
     private fun onPrivacyPolicyClicked() =
-        Utils.handleWebUrl(this, Uri.parse(BuildConfig.PRIVACY_POLICY_URL))
+        handleWebUrl(this, Uri.parse(BuildConfig.PRIVACY_POLICY_URL))
 
     private fun signUp() =
         startActivity(Intent(this, SignupActivity::class.java))
@@ -271,6 +327,7 @@ class LoginActivity : AccountAuthenticatorActivity() {
         showLoggingProgressBar()
         loginClient.doLogin(username,
             password,
+            lastLoginResult,
             twoFactorCode,
             Locale.getDefault().language,
             object : LoginCallback {
@@ -280,10 +337,18 @@ class LoginActivity : AccountAuthenticatorActivity() {
                     onLoginSuccess(loginResult)
                 }
 
-                override fun twoFactorPrompt(caught: Throwable, token: String?) = runOnUiThread {
+                override fun twoFactorPrompt(loginResult: LoginResult, caught: Throwable, token: String?) = runOnUiThread {
                     Timber.d("Requesting 2FA prompt")
                     progressDialog!!.dismiss()
-                    askUserForTwoFactorAuth()
+                    lastLoginResult = loginResult
+                    askUserForTwoFactorAuthWithKeyboard()
+                }
+
+                override fun emailAuthPrompt(loginResult: LoginResult, caught: Throwable, token: String?) = runOnUiThread {
+                    Timber.d("Requesting email auth prompt")
+                    progressDialog!!.dismiss()
+                    lastLoginResult = loginResult
+                    askUserForTwoFactorAuthWithKeyboard()
                 }
 
                 override fun passwordResetPrompt(token: String?) = runOnUiThread {
@@ -338,15 +403,35 @@ class LoginActivity : AccountAuthenticatorActivity() {
 
     @VisibleForTesting
     fun askUserForTwoFactorAuth() {
+        if (binding == null) {
+            Timber.w("Binding is null, reinitializing in askUserForTwoFactorAuth")
+            binding = ActivityLoginBinding.inflate(layoutInflater)
+            setContentView(binding!!.root)
+        }
         progressDialog!!.dismiss()
-        with(binding!!) {
-            twoFactorContainer.visibility = View.VISIBLE
-            loginTwoFactor.visibility = View.VISIBLE
-            loginTwoFactor.requestFocus()
+        if (binding != null) {
+            with(binding!!) {
+                twoFactorContainer.visibility = View.VISIBLE
+                twoFactorContainer.hint = getString(if (lastLoginResult is LoginResult.EmailAuthResult) R.string.email_auth_code else R.string._2fa_code)
+                loginTwoFactor.visibility = View.VISIBLE
+                loginTwoFactor.requestFocus()
+
+                loginTwoFactor.setOnEditorActionListener { _, actionId, event ->
+                    if (actionId == EditorInfo.IME_ACTION_DONE ||
+                        (event != null && event.keyCode == KeyEvent.KEYCODE_ENTER && event.action == KeyEvent.ACTION_DOWN)) {
+                        performLogin()
+                        true
+                    } else {
+                        false
+                    }
+                }
+            }
+        } else {
+            Timber.e("Binding is null in askUserForTwoFactorAuth after reinitialization attempt")
         }
         val imm = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
         imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY)
-        showMessageAndCancelDialog(R.string.login_failed_2fa_needed)
+        showMessageAndCancelDialog(getString(if (lastLoginResult is LoginResult.EmailAuthResult) R.string.login_failed_email_auth_needed else R.string.login_failed_2fa_needed))
     }
 
     @VisibleForTesting

app/src/main/java/fr/free/nrw/commons/auth/SignupActivity.kt

@@ -10,6 +10,7 @@ import android.widget.Toast
 import fr.free.nrw.commons.BuildConfig
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.theme.BaseActivity
+import fr.free.nrw.commons.utils.applyEdgeToEdgeAllInsets
 import timber.log.Timber
 
 class SignupActivity : BaseActivity() {
@@ -21,6 +22,7 @@ class SignupActivity : BaseActivity() {
         Timber.d("Signup Activity started")
 
         webView = WebView(this)
+        applyEdgeToEdgeAllInsets(webView!!)
         with(webView!!) {
             setContentView(this)
             webViewClient = MyWebViewClient()

app/src/main/java/fr/free/nrw/commons/auth/csrf/CsrfTokenClient.kt

@@ -32,7 +32,7 @@ class CsrfTokenClient(
             try {
                 if (retry > 0) {
                     // Log in explicitly
-                    loginClient.loginBlocking(userName, password, "")
+                    loginClient.loginBlocking(userName, password)
                 }
 
                 // Get CSRFToken response off the main thread.
@@ -92,6 +92,8 @@ class CsrfTokenClient(
                 override fun failure(caught: Throwable?) = retryWithLogin(cb) { caught }
 
                 override fun twoFactorPrompt() = cb.twoFactorPrompt()
+
+                override fun emailAuthPrompt() = cb.emailAuthPrompt()
             },
         )
 
@@ -165,10 +167,17 @@ class CsrfTokenClient(
             }
 
             override fun twoFactorPrompt(
+                loginResult: LoginResult,
                 caught: Throwable,
                 token: String?,
             ) = callback.twoFactorPrompt()
 
+            override fun emailAuthPrompt(
+                loginResult: LoginResult,
+                caught: Throwable,
+                token: String?,
+            ) = callback.emailAuthPrompt()
+
             // Should not happen here, but call the callback just in case.
             override fun passwordResetPrompt(token: String?) = callback.failure(LoginFailedException("Logged in with temporary password."))
 
@@ -190,6 +199,8 @@ class CsrfTokenClient(
         fun failure(caught: Throwable?)
 
         fun twoFactorPrompt()
+
+        fun emailAuthPrompt()
     }
 
     companion object {

app/src/main/java/fr/free/nrw/commons/auth/login/LoginCallback.kt

@@ -4,6 +4,13 @@ interface LoginCallback {
     fun success(loginResult: LoginResult)
 
     fun twoFactorPrompt(
+        loginResult: LoginResult,
+        caught: Throwable,
+        token: String?,
+    )
+
+    fun emailAuthPrompt(
+        loginResult: LoginResult,
         caught: Throwable,
         token: String?,
     )

app/src/main/java/fr/free/nrw/commons/auth/login/LoginClient.kt

@@ -1,6 +1,7 @@
 package fr.free.nrw.commons.auth.login
 
 import android.text.TextUtils
+import fr.free.nrw.commons.auth.login.LoginResult.EmailAuthResult
 import fr.free.nrw.commons.auth.login.LoginResult.OAuthResult
 import fr.free.nrw.commons.auth.login.LoginResult.ResetPasswordResult
 import fr.free.nrw.commons.wikidata.WikidataConstants.WIKIPEDIA_URL
@@ -51,6 +52,7 @@ class LoginClient(
                         password,
                         null,
                         null,
+                        null,
                         response.body()!!.query()!!.loginToken(),
                         userLanguage,
                         cb,
@@ -75,6 +77,7 @@ class LoginClient(
         password: String,
         retypedPassword: String?,
         twoFactorCode: String?,
+        emailAuthCode: String?,
         loginToken: String?,
         userLanguage: String,
         cb: LoginCallback,
@@ -82,7 +85,7 @@ class LoginClient(
         this.userLanguage = userLanguage
 
         loginCall =
-            if (twoFactorCode.isNullOrEmpty() && retypedPassword.isNullOrEmpty()) {
+            if (twoFactorCode.isNullOrEmpty() && emailAuthCode.isNullOrEmpty() && retypedPassword.isNullOrEmpty()) {
                 loginInterface.postLogIn(userName, password, loginToken, userLanguage, WIKIPEDIA_URL)
             } else {
                 loginInterface.postLogIn(
@@ -90,6 +93,7 @@ class LoginClient(
                     password,
                     retypedPassword,
                     twoFactorCode,
+                    emailAuthCode,
                     loginToken,
                     userLanguage,
                     true,
@@ -112,10 +116,18 @@ class LoginClient(
                             when (loginResult) {
                                 is OAuthResult ->
                                     cb.twoFactorPrompt(
+                                        loginResult,
                                         LoginFailedException(loginResult.message),
                                         loginToken,
                                     )
 
+                                is EmailAuthResult ->
+                                    cb.emailAuthPrompt(
+                                        loginResult,
+                                        LoginFailedException(loginResult.message),
+                                        loginToken
+                                    )
+
                                 is ResetPasswordResult -> cb.passwordResetPrompt(loginToken)
 
                                 is LoginResult.Result ->
@@ -147,6 +159,7 @@ class LoginClient(
     fun doLogin(
         username: String,
         password: String,
+        lastLoginResult: LoginResult?,
         twoFactorCode: String,
         userLanguage: String,
         loginCallback: LoginCallback,
@@ -159,7 +172,10 @@ class LoginClient(
                 ) = if (response.isSuccessful) {
                     val loginToken = response.body()?.query()?.loginToken()
                     loginToken?.let {
-                        login(username, password, null, twoFactorCode, it, userLanguage, loginCallback)
+                        login(username, password, null,
+                            if (lastLoginResult is OAuthResult) twoFactorCode else null,
+                            if (lastLoginResult is EmailAuthResult) twoFactorCode else null,
+                            it, userLanguage, loginCallback)
                     } ?: run {
                         loginCallback.error(IOException("Failed to retrieve login token"))
                     }
@@ -181,7 +197,8 @@ class LoginClient(
     fun loginBlocking(
         userName: String,
         password: String,
-        twoFactorCode: String?,
+        twoFactorCode: String? = null,
+        emailAuthCode: String? = null
     ) {
         val tokenResponse = getLoginToken().execute()
         if (tokenResponse
@@ -195,7 +212,7 @@ class LoginClient(
 
         val loginToken = tokenResponse.body()?.query()?.loginToken()
         val tempLoginCall =
-            if (twoFactorCode.isNullOrEmpty()) {
+            if (twoFactorCode.isNullOrEmpty() && emailAuthCode.isNullOrEmpty()) {
                 loginInterface.postLogIn(userName, password, loginToken, userLanguage, WIKIPEDIA_URL)
             } else {
                 loginInterface.postLogIn(
@@ -203,6 +220,7 @@ class LoginClient(
                     password,
                     null,
                     twoFactorCode,
+                    emailAuthCode,
                     loginToken,
                     userLanguage,
                     true,
@@ -214,7 +232,7 @@ class LoginClient(
         val loginResult = loginResponse.toLoginResult(password) ?: throw IOException("Unexpected response when logging in.")
 
         if ("UI" == loginResult.status) {
-            if (loginResult is OAuthResult) {
+            if (loginResult is OAuthResult || loginResult is EmailAuthResult) {
                 // TODO: Find a better way to boil up the warning about 2FA
                 throw LoginFailedException(loginResult.message)
             }

app/src/main/java/fr/free/nrw/commons/auth/login/LoginInterface.kt

@@ -35,7 +35,8 @@ interface LoginInterface {
         @Field("password") pass: String?,
         @Field("retype") retypedPass: String?,
         @Field("OATHToken") twoFactorCode: String?,
-        @Field("logintoken") token: String?,
+        @Field("token") emailAuthToken: String?,
+        @Field("logintoken") loginToken: String?,
         @Field("uselang") userLanguage: String?,
         @Field("logincontinue") loginContinue: Boolean,
     ): Call<LoginResponse?>

app/src/main/java/fr/free/nrw/commons/auth/login/LoginResponse.kt

@@ -2,6 +2,7 @@ package fr.free.nrw.commons.auth.login
 
 import com.google.gson.annotations.SerializedName
 import fr.free.nrw.commons.auth.login.LoginResult.OAuthResult
+import fr.free.nrw.commons.auth.login.LoginResult.EmailAuthResult
 import fr.free.nrw.commons.auth.login.LoginResult.ResetPasswordResult
 import fr.free.nrw.commons.auth.login.LoginResult.Result
 import fr.free.nrw.commons.wikidata.mwapi.MwServiceError
@@ -27,11 +28,13 @@ internal class ClientLogin {
     fun toLoginResult(password: String): LoginResult {
         var userMessage = message
         if ("UI" == status) {
-            if (requests != null) {
-                for (req in requests) {
-                    if ("MediaWiki\\Extension\\OATHAuth\\Auth\\TOTPAuthenticationRequest" == req.id()) {
+            requests?.forEach { request ->
+                request.id()?.let {
+                    if (it.endsWith("TOTPAuthenticationRequest")) {
                         return OAuthResult(status, userName, password, message)
-                    } else if ("MediaWiki\\Auth\\PasswordAuthenticationRequest" == req.id()) {
+                    } else if (it.endsWith("EmailAuthAuthenticationRequest")) {
+                        return EmailAuthResult(status, userName, password, message)
+                    } else if (it.endsWith("PasswordAuthenticationRequest")) {
                         return ResetPasswordResult(status, userName, password, message)
                     }
                 }
@@ -49,7 +52,7 @@ internal class Request {
     private val required: String? = null
     private val provider: String? = null
     private val account: String? = null
-    private val fields: Map<String, RequestField>? = null
+    internal val fields: Map<String, RequestField>? = null
 
     fun id(): String? = id
 }
@@ -57,5 +60,5 @@ internal class Request {
 internal class RequestField {
     private val type: String? = null
     private val label: String? = null
-    private val help: String? = null
+    internal val help: String? = null
 }

app/src/main/java/fr/free/nrw/commons/auth/login/LoginResult.kt

@@ -24,6 +24,13 @@ sealed class LoginResult(
         message: String?,
     ) : LoginResult(status, userName, password, message)
 
+    class EmailAuthResult(
+        status: String,
+        userName: String?,
+        password: String?,
+        message: String?,
+    ) : LoginResult(status, userName, password, message)
+
     class ResetPasswordResult(
         status: String,
         userName: String?,

app/src/main/java/fr/free/nrw/commons/bookmarks/BookmarkFragment.java

@@ -1,105 +0,0 @@
-package fr.free.nrw.commons.bookmarks;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.fragment.app.FragmentManager;
-import fr.free.nrw.commons.contributions.MainActivity;
-import fr.free.nrw.commons.databinding.FragmentBookmarksBinding;
-import fr.free.nrw.commons.di.CommonsDaggerSupportFragment;
-import fr.free.nrw.commons.kvstore.JsonKvStore;
-import fr.free.nrw.commons.theme.BaseActivity;
-import javax.inject.Inject;
-import fr.free.nrw.commons.contributions.ContributionController;
-import javax.inject.Named;
-
-public class BookmarkFragment extends CommonsDaggerSupportFragment {
-
-    private FragmentManager supportFragmentManager;
-    private BookmarksPagerAdapter adapter;
-    FragmentBookmarksBinding binding;
-
-    @Inject
-    ContributionController controller;
-    /**
-     * To check if the user is loggedIn or not.
-     */
-    @Inject
-    @Named("default_preferences")
-    public
-    JsonKvStore applicationKvStore;
-
-    @NonNull
-    public static BookmarkFragment newInstance() {
-        BookmarkFragment fragment = new BookmarkFragment();
-        fragment.setRetainInstance(true);
-        return fragment;
-    }
-
-    public void setScroll(boolean canScroll) {
-        if (binding!=null) {
-            binding.viewPagerBookmarks.setCanScroll(canScroll);
-        }
-    }
-
-    @Override
-    public void onCreate(@Nullable final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull final LayoutInflater inflater,
-        @Nullable final ViewGroup container,
-        @Nullable final Bundle savedInstanceState) {
-        super.onCreateView(inflater, container, savedInstanceState);
-        binding = FragmentBookmarksBinding.inflate(inflater, container, false);
-
-        // Activity can call methods in the fragment by acquiring a
-        // reference to the Fragment from FragmentManager, using findFragmentById()
-        supportFragmentManager = getChildFragmentManager();
-
-        adapter = new BookmarksPagerAdapter(supportFragmentManager, getContext(),
-            applicationKvStore.getBoolean("login_skipped"));
-        binding.viewPagerBookmarks.setAdapter(adapter);
-        binding.tabLayout.setupWithViewPager(binding.viewPagerBookmarks);
-
-        ((MainActivity) getActivity()).showTabs();
-        ((BaseActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(false);
-
-        setupTabLayout();
-        return binding.getRoot();
-    }
-
-    /**
-     * This method sets up the tab layout. If the adapter has only one element it sets the
-     * visibility of tabLayout to gone.
-     */
-    public void setupTabLayout() {
-        binding.tabLayout.setVisibility(View.VISIBLE);
-        if (adapter.getCount() == 1) {
-            binding.tabLayout.setVisibility(View.GONE);
-        }
-    }
-
-
-    public void onBackPressed() {
-        if (((BookmarkListRootFragment) (adapter.getItem(binding.tabLayout.getSelectedTabPosition())))
-            .backPressed()) {
-            // The event is handled internally by the adapter , no further action required.
-            return;
-        }
-        // Event is not handled by the adapter ( performed back action ) change action bar.
-        ((BaseActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(false);
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        binding = null;
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/BookmarkFragment.kt

@@ -0,0 +1,98 @@
+package fr.free.nrw.commons.bookmarks
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import fr.free.nrw.commons.contributions.ContributionController
+import fr.free.nrw.commons.contributions.MainActivity
+import fr.free.nrw.commons.databinding.FragmentBookmarksBinding
+import fr.free.nrw.commons.di.CommonsDaggerSupportFragment
+import fr.free.nrw.commons.kvstore.JsonKvStore
+import fr.free.nrw.commons.theme.BaseActivity
+import javax.inject.Inject
+import javax.inject.Named
+
+class BookmarkFragment : CommonsDaggerSupportFragment() {
+    private var adapter: BookmarksPagerAdapter? = null
+
+    @JvmField
+    var binding: FragmentBookmarksBinding? = null
+
+    @JvmField
+    @Inject
+    var controller: ContributionController? = null
+
+    /**
+     * To check if the user is loggedIn or not.
+     */
+    @JvmField
+    @Inject
+    @Named("default_preferences")
+    var applicationKvStore: JsonKvStore? = null
+
+    fun setScroll(canScroll: Boolean) {
+        binding?.let {
+            it.viewPagerBookmarks.canScroll = canScroll
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        super.onCreateView(inflater, container, savedInstanceState)
+        binding = FragmentBookmarksBinding.inflate(inflater, container, false)
+
+        // Activity can call methods in the fragment by acquiring a
+        // reference to the Fragment from FragmentManager, using findFragmentById()
+        val supportFragmentManager = childFragmentManager
+
+        adapter = BookmarksPagerAdapter(
+            supportFragmentManager, requireContext(),
+            applicationKvStore!!.getBoolean("login_skipped")
+        )
+        binding!!.viewPagerBookmarks.adapter = adapter
+        binding!!.tabLayout.setupWithViewPager(binding!!.viewPagerBookmarks)
+
+        (requireActivity() as MainActivity).showTabs()
+        (requireActivity() as BaseActivity).supportActionBar!!.setDisplayHomeAsUpEnabled(false)
+
+        setupTabLayout()
+        return binding!!.root
+    }
+
+    /**
+     * This method sets up the tab layout. If the adapter has only one element it sets the
+     * visibility of tabLayout to gone.
+     */
+    fun setupTabLayout() {
+        binding!!.tabLayout.visibility = View.VISIBLE
+        if (adapter!!.count == 1) {
+            binding!!.tabLayout.visibility = View.GONE
+        }
+    }
+
+
+    fun onBackPressed() {
+        if (((adapter!!.getItem(binding!!.tabLayout.selectedTabPosition)) as BookmarkListRootFragment).backPressed()) {
+            // The event is handled internally by the adapter , no further action required.
+            return
+        }
+
+        // Event is not handled by the adapter ( performed back action ) change action bar.
+        (requireActivity() as BaseActivity).supportActionBar!!.setDisplayHomeAsUpEnabled(false)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        binding = null
+    }
+
+    companion object {
+        fun newInstance(): BookmarkFragment = BookmarkFragment().apply {
+            retainInstance = true
+        }
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/BookmarkListRootFragment.java

@@ -1,266 +0,0 @@
-package fr.free.nrw.commons.bookmarks;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import fr.free.nrw.commons.Media;
-import fr.free.nrw.commons.R;
-import fr.free.nrw.commons.bookmarks.category.BookmarkCategoriesFragment;
-import fr.free.nrw.commons.bookmarks.items.BookmarkItemsFragment;
-import fr.free.nrw.commons.bookmarks.locations.BookmarkLocationsFragment;
-import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesFragment;
-import fr.free.nrw.commons.category.CategoryImagesCallback;
-import fr.free.nrw.commons.category.GridViewAdapter;
-import fr.free.nrw.commons.contributions.MainActivity;
-import fr.free.nrw.commons.databinding.FragmentFeaturedRootBinding;
-import fr.free.nrw.commons.di.CommonsDaggerSupportFragment;
-import fr.free.nrw.commons.media.MediaDetailPagerFragment;
-import fr.free.nrw.commons.navtab.NavTab;
-import java.util.ArrayList;
-import java.util.Iterator;
-import timber.log.Timber;
-
-public class BookmarkListRootFragment extends CommonsDaggerSupportFragment implements
-    FragmentManager.OnBackStackChangedListener,
-    MediaDetailPagerFragment.MediaDetailProvider,
-    AdapterView.OnItemClickListener, CategoryImagesCallback {
-
-    private MediaDetailPagerFragment mediaDetails;
-    //private BookmarkPicturesFragment bookmarkPicturesFragment;
-    private BookmarkLocationsFragment bookmarkLocationsFragment;
-    public Fragment listFragment;
-    private BookmarksPagerAdapter bookmarksPagerAdapter;
-
-    FragmentFeaturedRootBinding binding;
-
-    public BookmarkListRootFragment() {
-        //empty constructor necessary otherwise crashes on recreate
-    }
-
-    public BookmarkListRootFragment(Bundle bundle, BookmarksPagerAdapter bookmarksPagerAdapter) {
-        String title = bundle.getString("categoryName");
-        int order = bundle.getInt("order");
-        final int orderItem = bundle.getInt("orderItem");
-
-        switch (order){
-            case 0: listFragment = new BookmarkPicturesFragment();
-            break;
-
-            case 1: listFragment = new BookmarkLocationsFragment();
-            break;
-
-            case 3: listFragment = new BookmarkCategoriesFragment();
-            break;
-        }
-            if(orderItem == 2) {
-                listFragment = new BookmarkItemsFragment();
-            }
-
-        Bundle featuredArguments = new Bundle();
-        featuredArguments.putString("categoryName", title);
-        listFragment.setArguments(featuredArguments);
-        this.bookmarksPagerAdapter = bookmarksPagerAdapter;
-    }
-
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull final LayoutInflater inflater,
-        @Nullable final ViewGroup container,
-        @Nullable final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        binding = FragmentFeaturedRootBinding.inflate(inflater, container, false);
-        return binding.getRoot();
-    }
-
-    @Override
-    public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-        if (savedInstanceState == null) {
-            setFragment(listFragment, mediaDetails);
-        }
-    }
-
-    public void setFragment(Fragment fragment, Fragment otherFragment) {
-        if (fragment.isAdded() && otherFragment != null) {
-            getChildFragmentManager()
-                .beginTransaction()
-                .hide(otherFragment)
-                .show(fragment)
-                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
-                .commit();
-            getChildFragmentManager().executePendingTransactions();
-        } else if (fragment.isAdded() && otherFragment == null) {
-            getChildFragmentManager()
-                .beginTransaction()
-                .show(fragment)
-                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
-                .commit();
-            getChildFragmentManager().executePendingTransactions();
-        } else if (!fragment.isAdded() && otherFragment != null) {
-            getChildFragmentManager()
-                .beginTransaction()
-                .hide(otherFragment)
-                .add(R.id.explore_container, fragment)
-                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
-                .commit();
-            getChildFragmentManager().executePendingTransactions();
-        } else if (!fragment.isAdded()) {
-            getChildFragmentManager()
-                .beginTransaction()
-                .replace(R.id.explore_container, fragment)
-                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
-                .commit();
-            getChildFragmentManager().executePendingTransactions();
-        }
-    }
-
-    public void removeFragment(Fragment fragment) {
-        getChildFragmentManager()
-            .beginTransaction()
-            .remove(fragment)
-            .commit();
-        getChildFragmentManager().executePendingTransactions();
-    }
-
-    @Override
-    public void onAttach(final Context context) {
-        super.onAttach(context);
-    }
-
-    @Override
-    public void onMediaClicked(int position) {
-        Timber.d("on media clicked");
-    /*container.setVisibility(View.VISIBLE);
-    ((BookmarkFragment)getParentFragment()).tabLayout.setVisibility(View.GONE);
-    mediaDetails = new MediaDetailPagerFragment(false, true, position);
-    setFragment(mediaDetails, bookmarkPicturesFragment);*/
-    }
-
-    /**
-     * This method is called mediaDetailPagerFragment. It returns the Media Object at that Index
-     *
-     * @param i It is the index of which media object is to be returned which is same as current
-     *          index of viewPager.
-     * @return Media Object
-     */
-    @Override
-    public Media getMediaAtPosition(int i) {
-        if (bookmarksPagerAdapter.getMediaAdapter() == null) {
-            // not yet ready to return data
-            return null;
-        } else {
-            return (Media) bookmarksPagerAdapter.getMediaAdapter().getItem(i);
-        }
-    }
-
-    /**
-     * This method is called on from getCount of MediaDetailPagerFragment The viewpager will contain
-     * same number of media items as that of media elements in adapter.
-     *
-     * @return Total Media count in the adapter
-     */
-    @Override
-    public int getTotalMediaCount() {
-        if (bookmarksPagerAdapter.getMediaAdapter() == null) {
-            return 0;
-        }
-        return bookmarksPagerAdapter.getMediaAdapter().getCount();
-    }
-
-    @Override
-    public Integer getContributionStateAt(int position) {
-        return null;
-    }
-
-    /**
-     * Reload media detail fragment once media is nominated
-     *
-     * @param index item position that has been nominated
-     */
-    @Override
-    public void refreshNominatedMedia(int index) {
-        if (mediaDetails != null && !listFragment.isVisible()) {
-            removeFragment(mediaDetails);
-            mediaDetails = MediaDetailPagerFragment.newInstance(false, true);
-            ((BookmarkFragment) getParentFragment()).setScroll(false);
-            setFragment(mediaDetails, listFragment);
-            mediaDetails.showImage(index);
-        }
-    }
-
-    /**
-     * This method is called on success of API call for featured images or mobile uploads. The
-     * viewpager will notified that number of items have changed.
-     */
-    @Override
-    public void viewPagerNotifyDataSetChanged() {
-        if (mediaDetails != null) {
-            mediaDetails.notifyDataSetChanged();
-        }
-    }
-
-    public boolean backPressed() {
-        //check mediaDetailPage fragment is not null then we check mediaDetail.is Visible or not to avoid NullPointerException
-        if (mediaDetails != null) {
-            if (mediaDetails.isVisible()) {
-                // todo add get list fragment
-                ((BookmarkFragment) getParentFragment()).setupTabLayout();
-                ArrayList<Integer> removed = mediaDetails.getRemovedItems();
-                removeFragment(mediaDetails);
-                ((BookmarkFragment) getParentFragment()).setScroll(true);
-                setFragment(listFragment, mediaDetails);
-                ((MainActivity) getActivity()).showTabs();
-                if (listFragment instanceof BookmarkPicturesFragment) {
-                    GridViewAdapter adapter = ((GridViewAdapter) ((BookmarkPicturesFragment) listFragment)
-                        .getAdapter());
-                    Iterator i = removed.iterator();
-                    while (i.hasNext()) {
-                        adapter.remove(adapter.getItem((int) i.next()));
-                    }
-                    mediaDetails.clearRemoved();
-
-                }
-            } else {
-                moveToContributionsFragment();
-            }
-        } else {
-            moveToContributionsFragment();
-        }
-        // notify mediaDetails did not handled the backPressed further actions required.
-        return false;
-    }
-
-    void moveToContributionsFragment() {
-        ((MainActivity) getActivity()).setSelectedItemId(NavTab.CONTRIBUTIONS.code());
-        ((MainActivity) getActivity()).showTabs();
-    }
-
-    @Override
-    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-        Timber.d("on media clicked");
-        binding.exploreContainer.setVisibility(View.VISIBLE);
-        ((BookmarkFragment) getParentFragment()).binding.tabLayout.setVisibility(View.GONE);
-        mediaDetails = MediaDetailPagerFragment.newInstance(false, true);
-        ((BookmarkFragment) getParentFragment()).setScroll(false);
-        setFragment(mediaDetails, listFragment);
-        mediaDetails.showImage(position);
-    }
-
-    @Override
-    public void onBackStackChanged() {
-
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        binding = null;
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/BookmarkListRootFragment.kt

@@ -0,0 +1,226 @@
+package fr.free.nrw.commons.bookmarks
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.AdapterView.OnItemClickListener
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import fr.free.nrw.commons.Media
+import fr.free.nrw.commons.R
+import fr.free.nrw.commons.bookmarks.category.BookmarkCategoriesFragment
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsFragment
+import fr.free.nrw.commons.bookmarks.locations.BookmarkLocationsFragment
+import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesFragment
+import fr.free.nrw.commons.category.CategoryImagesCallback
+import fr.free.nrw.commons.category.GridViewAdapter
+import fr.free.nrw.commons.contributions.MainActivity
+import fr.free.nrw.commons.databinding.FragmentFeaturedRootBinding
+import fr.free.nrw.commons.di.CommonsDaggerSupportFragment
+import fr.free.nrw.commons.media.MediaDetailPagerFragment
+import fr.free.nrw.commons.media.MediaDetailPagerFragment.Companion.newInstance
+import fr.free.nrw.commons.media.MediaDetailProvider
+import fr.free.nrw.commons.navtab.NavTab
+import timber.log.Timber
+
+class BookmarkListRootFragment : CommonsDaggerSupportFragment,
+    FragmentManager.OnBackStackChangedListener, MediaDetailProvider, OnItemClickListener,
+    CategoryImagesCallback {
+    private var mediaDetails: MediaDetailPagerFragment? = null
+    private val bookmarkLocationsFragment: BookmarkLocationsFragment? = null
+    var listFragment: Fragment? = null
+    private var bookmarksPagerAdapter: BookmarksPagerAdapter? = null
+
+    var binding: FragmentFeaturedRootBinding? = null
+
+    constructor()
+
+    constructor(bundle: Bundle, bookmarksPagerAdapter: BookmarksPagerAdapter) {
+        val title = bundle.getString("categoryName")
+        val order = bundle.getInt("order")
+        val orderItem = bundle.getInt("orderItem")
+
+        when (order) {
+            0 -> listFragment = BookmarkPicturesFragment()
+            1 -> listFragment = BookmarkLocationsFragment()
+            3 -> listFragment = BookmarkCategoriesFragment()
+        }
+        if (orderItem == 2) {
+            listFragment = BookmarkItemsFragment()
+        }
+
+        val featuredArguments = Bundle()
+        featuredArguments.putString("categoryName", title)
+        listFragment!!.setArguments(featuredArguments)
+        this.bookmarksPagerAdapter = bookmarksPagerAdapter
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        super.onCreate(savedInstanceState)
+        binding = FragmentFeaturedRootBinding.inflate(inflater, container, false)
+        return binding!!.getRoot()
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        if (savedInstanceState == null) {
+            setFragment(listFragment!!, mediaDetails)
+        }
+    }
+
+    fun setFragment(fragment: Fragment, otherFragment: Fragment?) {
+        if (fragment.isAdded() && otherFragment != null) {
+            getChildFragmentManager()
+                .beginTransaction()
+                .hide(otherFragment)
+                .show(fragment)
+                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
+                .commit()
+            getChildFragmentManager().executePendingTransactions()
+        } else if (fragment.isAdded() && otherFragment == null) {
+            getChildFragmentManager()
+                .beginTransaction()
+                .show(fragment)
+                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
+                .commit()
+            getChildFragmentManager().executePendingTransactions()
+        } else if (!fragment.isAdded() && otherFragment != null) {
+            getChildFragmentManager()
+                .beginTransaction()
+                .hide(otherFragment)
+                .add(R.id.explore_container, fragment)
+                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
+                .commit()
+            getChildFragmentManager().executePendingTransactions()
+        } else if (!fragment.isAdded()) {
+            getChildFragmentManager()
+                .beginTransaction()
+                .replace(R.id.explore_container, fragment)
+                .addToBackStack("CONTRIBUTION_LIST_FRAGMENT_TAG")
+                .commit()
+            getChildFragmentManager().executePendingTransactions()
+        }
+    }
+
+    fun removeFragment(fragment: Fragment) {
+        getChildFragmentManager()
+            .beginTransaction()
+            .remove(fragment)
+            .commit()
+        getChildFragmentManager().executePendingTransactions()
+    }
+
+    override fun onMediaClicked(position: Int) {
+        Timber.d("on media clicked")
+        /*container.setVisibility(View.VISIBLE);
+    ((BookmarkFragment)getParentFragment()).tabLayout.setVisibility(View.GONE);
+    mediaDetails = new MediaDetailPagerFragment(false, true, position);
+    setFragment(mediaDetails, bookmarkPicturesFragment);*/
+    }
+
+    /**
+     * This method is called mediaDetailPagerFragment. It returns the Media Object at that Index
+     *
+     * @param i It is the index of which media object is to be returned which is same as current
+     * index of viewPager.
+     * @return Media Object
+     */
+    override fun getMediaAtPosition(i: Int): Media? =
+        bookmarksPagerAdapter!!.mediaAdapter?.getItem(i) as Media?
+
+    /**
+     * This method is called on from getCount of MediaDetailPagerFragment The viewpager will contain
+     * same number of media items as that of media elements in adapter.
+     *
+     * @return Total Media count in the adapter
+     */
+    override fun getTotalMediaCount(): Int =
+        bookmarksPagerAdapter!!.mediaAdapter?.count ?: 0
+
+    override fun getContributionStateAt(position: Int): Int? {
+        return null
+    }
+
+    /**
+     * Reload media detail fragment once media is nominated
+     *
+     * @param index item position that has been nominated
+     */
+    override fun refreshNominatedMedia(index: Int) {
+        if (mediaDetails != null && !listFragment!!.isVisible()) {
+            removeFragment(mediaDetails!!)
+            mediaDetails = newInstance(false, true)
+            (parentFragment as BookmarkFragment).setScroll(false)
+            setFragment(mediaDetails!!, listFragment)
+            mediaDetails!!.showImage(index)
+        }
+    }
+
+    /**
+     * This method is called on success of API call for featured images or mobile uploads. The
+     * viewpager will notified that number of items have changed.
+     */
+    override fun viewPagerNotifyDataSetChanged() {
+        if (mediaDetails != null) {
+            mediaDetails!!.notifyDataSetChanged()
+        }
+    }
+
+    fun backPressed(): Boolean {
+        //check mediaDetailPage fragment is not null then we check mediaDetail.is Visible or not to avoid NullPointerException
+        if (mediaDetails != null) {
+            if (mediaDetails!!.isVisible()) {
+                // todo add get list fragment
+                (parentFragment as BookmarkFragment).setupTabLayout()
+                val removed: ArrayList<Int> = mediaDetails!!.removedItems
+                removeFragment(mediaDetails!!)
+                (parentFragment as BookmarkFragment).setScroll(true)
+                setFragment(listFragment!!, mediaDetails)
+                (requireActivity() as MainActivity).showTabs()
+                if (listFragment is BookmarkPicturesFragment) {
+                    val adapter = ((listFragment as BookmarkPicturesFragment)
+                        .getAdapter() as GridViewAdapter?)
+                    val i: MutableIterator<*> = removed.iterator()
+                    while (i.hasNext()) {
+                        adapter!!.remove(adapter.getItem(i.next() as Int))
+                    }
+                    mediaDetails!!.clearRemoved()
+                }
+            } else {
+                moveToContributionsFragment()
+            }
+        } else {
+            moveToContributionsFragment()
+        }
+        // notify mediaDetails did not handled the backPressed further actions required.
+        return false
+    }
+
+    fun moveToContributionsFragment() {
+        (requireActivity() as MainActivity).setSelectedItemId(NavTab.CONTRIBUTIONS.code())
+        (requireActivity() as MainActivity).showTabs()
+    }
+
+    override fun onItemClick(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+        Timber.d("on media clicked")
+        binding!!.exploreContainer.visibility = View.VISIBLE
+        (parentFragment as BookmarkFragment).binding!!.tabLayout.setVisibility(View.GONE)
+        mediaDetails = newInstance(false, true)
+        (parentFragment as BookmarkFragment).setScroll(false)
+        setFragment(mediaDetails!!, listFragment)
+        mediaDetails!!.showImage(position)
+    }
+
+    override fun onBackStackChanged() = Unit
+
+    override fun onDestroy() {
+        super.onDestroy()
+        binding = null
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/BookmarksPagerAdapter.java

@@ -1,94 +0,0 @@
-package fr.free.nrw.commons.bookmarks;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.widget.ListAdapter;
-
-import androidx.annotation.Nullable;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentPagerAdapter;
-
-import java.util.ArrayList;
-
-import fr.free.nrw.commons.R;
-import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesFragment;
-
-public class BookmarksPagerAdapter extends FragmentPagerAdapter {
-
-    private ArrayList<BookmarkPages> pages;
-
-    /**
-     * Default Constructor
-     * @param fm
-     * @param context
-     * @param onlyPictures is true if the fragment requires only BookmarkPictureFragment
-     *                     (i.e. when no user is logged in).
-     */
-    BookmarksPagerAdapter(FragmentManager fm, Context context,boolean onlyPictures) {
-        super(fm);
-        pages = new ArrayList<>();
-        Bundle picturesBundle = new Bundle();
-        picturesBundle.putString("categoryName", context.getString(R.string.title_page_bookmarks_pictures));
-        picturesBundle.putInt("order", 0);
-        pages.add(new BookmarkPages(
-                new BookmarkListRootFragment(picturesBundle, this),
-                context.getString(R.string.title_page_bookmarks_pictures)));
-        if (!onlyPictures) {
-            // if onlyPictures is false we also add the location fragment.
-            Bundle locationBundle = new Bundle();
-            locationBundle.putString("categoryName",
-                context.getString(R.string.title_page_bookmarks_locations));
-            locationBundle.putInt("order", 1);
-            pages.add(new BookmarkPages(
-                new BookmarkListRootFragment(locationBundle, this),
-                context.getString(R.string.title_page_bookmarks_locations)));
-
-            locationBundle.putInt("orderItem", 2);
-            pages.add(new BookmarkPages(
-                new BookmarkListRootFragment(locationBundle, this),
-                context.getString(R.string.title_page_bookmarks_items)));
-        }
-        final Bundle categoriesBundle = new Bundle();
-        categoriesBundle.putString("categoryName",
-            context.getString(R.string.title_page_bookmarks_categories));
-        categoriesBundle.putInt("order", 3);
-        pages.add(new BookmarkPages(
-            new BookmarkListRootFragment(categoriesBundle, this),
-            context.getString(R.string.title_page_bookmarks_categories)));
-        notifyDataSetChanged();
-    }
-
-    @Override
-    public Fragment getItem(int position) {
-        return pages.get(position).getPage();
-    }
-
-    @Override
-    public int getCount() {
-        return pages.size();
-    }
-
-    @Nullable
-    @Override
-    public CharSequence getPageTitle(int position) {
-        return pages.get(position).getTitle();
-    }
-
-    /**
-     * Return the Adapter used to display the picture gridview
-     * @return adapter
-     */
-    public ListAdapter getMediaAdapter() {
-        BookmarkPicturesFragment fragment = (BookmarkPicturesFragment)(((BookmarkListRootFragment)pages.get(0).getPage()).listFragment);
-        return fragment.getAdapter();
-    }
-
-    /**
-     * Update the pictures list for the bookmark fragment
-     */
-    public void requestPictureListUpdate() {
-        BookmarkPicturesFragment fragment = (BookmarkPicturesFragment)(((BookmarkListRootFragment)pages.get(0).getPage()).listFragment);
-        fragment.onResume();
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/BookmarksPagerAdapter.kt

@@ -0,0 +1,82 @@
+package fr.free.nrw.commons.bookmarks
+
+import android.content.Context
+import android.widget.ListAdapter
+import androidx.core.os.bundleOf
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentPagerAdapter
+import fr.free.nrw.commons.R
+import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesFragment
+
+class BookmarksPagerAdapter internal constructor(
+    fm: FragmentManager, context: Context, onlyPictures: Boolean
+) : FragmentPagerAdapter(fm) {
+    private val pages = mutableListOf<BookmarkPages>()
+
+    /**
+     * Default Constructor
+     * @param fm
+     * @param context
+     * @param onlyPictures is true if the fragment requires only BookmarkPictureFragment
+     * (i.e. when no user is logged in).
+     */
+    init {
+        pages.add(
+            BookmarkPages(
+                BookmarkListRootFragment(
+                    bundleOf(
+                        "categoryName" to context.getString(R.string.title_page_bookmarks_pictures),
+                        "order" to 0
+                    ), this
+                ), context.getString(R.string.title_page_bookmarks_pictures)
+            )
+        )
+        if (!onlyPictures) {
+            // if onlyPictures is false we also add the location fragment.
+            val locationBundle = bundleOf(
+                "categoryName" to context.getString(R.string.title_page_bookmarks_locations),
+                "order" to 1
+            )
+
+            pages.add(
+                BookmarkPages(
+                    BookmarkListRootFragment(locationBundle, this),
+                    context.getString(R.string.title_page_bookmarks_locations)
+                )
+            )
+
+            locationBundle.putInt("orderItem", 2)
+            pages.add(
+                BookmarkPages(
+                    BookmarkListRootFragment(locationBundle, this),
+                    context.getString(R.string.title_page_bookmarks_items)
+                )
+            )
+        }
+        pages.add(
+            BookmarkPages(
+                BookmarkListRootFragment(
+                    bundleOf(
+                        "categoryName" to context.getString(R.string.title_page_bookmarks_categories),
+                        "order" to 3
+                    ), this),
+                context.getString(R.string.title_page_bookmarks_categories)
+            )
+        )
+        notifyDataSetChanged()
+    }
+
+    override fun getItem(position: Int): Fragment = pages[position].page!!
+
+    override fun getCount(): Int = pages.size
+
+    override fun getPageTitle(position: Int): CharSequence? = pages[position].title
+
+    /**
+     * Return the Adapter used to display the picture gridview
+     * @return adapter
+     */
+    val mediaAdapter: ListAdapter?
+        get() = (((pages[0].page as BookmarkListRootFragment).listFragment) as BookmarkPicturesFragment).getAdapter()
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsContentProvider.java

@@ -1,129 +0,0 @@
-package fr.free.nrw.commons.bookmarks.items;
-
-import static fr.free.nrw.commons.bookmarks.items.BookmarkItemsDao.Table.COLUMN_ID;
-import static fr.free.nrw.commons.bookmarks.items.BookmarkItemsDao.Table.TABLE_NAME;
-
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteQueryBuilder;
-import android.net.Uri;
-import android.text.TextUtils;
-import androidx.annotation.NonNull;
-import fr.free.nrw.commons.BuildConfig;
-import fr.free.nrw.commons.data.DBOpenHelper;
-import fr.free.nrw.commons.di.CommonsDaggerContentProvider;
-import javax.inject.Inject;
-import timber.log.Timber;
-
-/**
- * Handles private storage for bookmarked items
- */
-public class BookmarkItemsContentProvider extends CommonsDaggerContentProvider {
-
-    private static final String BASE_PATH = "bookmarksItems";
-    public static final Uri BASE_URI =
-        Uri.parse("content://" + BuildConfig.BOOKMARK_ITEMS_AUTHORITY + "/" + BASE_PATH);
-
-
-    /**
-     * Append bookmark items ID to the base uri
-     */
-    public static Uri uriForName(final String id) {
-        return Uri.parse(BASE_URI + "/" + id);
-    }
-
-    @Inject
-    DBOpenHelper dbOpenHelper;
-
-    @Override
-    public String getType(@NonNull final Uri uri) {
-        return null;
-    }
-
-    /**
-     * Queries the SQLite database for the bookmark items
-     * @param uri : contains the uri for bookmark items
-     * @param projection : contains the all fields of the table
-     * @param selection : handles Where
-     * @param selectionArgs : the condition of Where clause
-     * @param sortOrder : ascending or descending
-     */
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public Cursor query(@NonNull final Uri uri, final String[] projection, final String selection,
-        final String[] selectionArgs, final String sortOrder) {
-        final SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
-        queryBuilder.setTables(TABLE_NAME);
-        final SQLiteDatabase db = dbOpenHelper.getReadableDatabase();
-        final Cursor cursor = queryBuilder.query(db, projection, selection,
-            selectionArgs, null, null, sortOrder);
-        cursor.setNotificationUri(getContext().getContentResolver(), uri);
-        return cursor;
-    }
-
-    /**
-     * Handles the update query of local SQLite Database
-     * @param uri : contains the uri for bookmark items
-     * @param contentValues : new values to be entered to db
-     * @param selection : handles Where
-     * @param selectionArgs : the condition of Where clause
-     */
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public int update(@NonNull final Uri uri, final ContentValues contentValues,
-        final String selection, final String[] selectionArgs) {
-        final SQLiteDatabase sqlDB = dbOpenHelper.getWritableDatabase();
-        final int rowsUpdated;
-        if (TextUtils.isEmpty(selection)) {
-            final int id = Integer.parseInt(uri.getLastPathSegment());
-            rowsUpdated = sqlDB.update(TABLE_NAME,
-                contentValues,
-                COLUMN_ID + " = ?",
-                new String[]{String.valueOf(id)});
-        } else {
-            throw new IllegalArgumentException(
-                "Parameter `selection` should be empty when updating an ID");
-        }
-
-        getContext().getContentResolver().notifyChange(uri, null);
-        return rowsUpdated;
-    }
-
-    /**
-     * Handles the insertion of new bookmark items record to local SQLite Database
-     * @param uri
-     * @param contentValues
-     * @return
-     */
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public Uri insert(@NonNull final Uri uri, final ContentValues contentValues) {
-        final SQLiteDatabase sqlDB = dbOpenHelper.getWritableDatabase();
-        final long id = sqlDB.insert(TABLE_NAME, null, contentValues);
-        getContext().getContentResolver().notifyChange(uri, null);
-        return Uri.parse(BASE_URI + "/" + id);
-    }
-
-    /**
-     * Handles the deletion of new bookmark items record to local SQLite Database
-     * @param uri
-     * @param s
-     * @param strings
-     * @return
-     */
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public int delete(@NonNull final Uri uri, final String s, final String[] strings) {
-        final int rows;
-        final SQLiteDatabase db = dbOpenHelper.getReadableDatabase();
-        Timber.d("Deleting bookmark name %s", uri.getLastPathSegment());
-        rows = db.delete(
-            TABLE_NAME,
-            "item_id = ?",
-            new String[]{uri.getLastPathSegment()}
-        );
-        getContext().getContentResolver().notifyChange(uri, null);
-        return rows;
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsContentProvider.kt

@@ -0,0 +1,101 @@
+package fr.free.nrw.commons.bookmarks.items
+
+import android.content.ContentValues
+import android.database.Cursor
+import android.database.sqlite.SQLiteQueryBuilder
+import android.net.Uri
+import fr.free.nrw.commons.BuildConfig
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.TABLE_NAME
+import fr.free.nrw.commons.di.CommonsDaggerContentProvider
+import androidx.core.net.toUri
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_ID
+
+/**
+ * Handles private storage for bookmarked items
+ */
+class BookmarkItemsContentProvider : CommonsDaggerContentProvider() {
+    override fun getType(uri: Uri): String? = null
+
+    /**
+     * Queries the SQLite database for the bookmark items
+     * @param uri : contains the uri for bookmark items
+     * @param projection : contains the all fields of the table
+     * @param selection : handles Where
+     * @param selectionArgs : the condition of Where clause
+     * @param sortOrder : ascending or descending
+     */
+    override fun query(
+        uri: Uri, projection: Array<String>?, selection: String?,
+        selectionArgs: Array<String>?, sortOrder: String?
+    ): Cursor {
+        val queryBuilder = SQLiteQueryBuilder().apply {
+            tables = TABLE_NAME
+        }
+
+        return queryBuilder.query(
+            requireDb(), projection, selection,
+            selectionArgs, null, null, sortOrder
+        ).apply {
+            setNotificationUri(context?.contentResolver, uri)
+        }
+    }
+
+    /**
+     * Handles the update query of local SQLite Database
+     * @param uri : contains the uri for bookmark items
+     * @param contentValues : new values to be entered to db
+     * @param selection : handles Where
+     * @param selectionArgs : the condition of Where clause
+     */
+    override fun update(
+        uri: Uri, contentValues: ContentValues?,
+        selection: String?, selectionArgs: Array<String>?
+    ): Int {
+        val rowsUpdated: Int
+        if (selection.isNullOrEmpty()) {
+            val id = uri.lastPathSegment!!.toInt()
+            rowsUpdated = requireDb().update(
+                TABLE_NAME,
+                contentValues,
+                "$COLUMN_ID = ?",
+                arrayOf(id.toString())
+            )
+        } else {
+            throw IllegalArgumentException(
+                "Parameter `selection` should be empty when updating an ID"
+            )
+        }
+
+        context?.contentResolver?.notifyChange(uri, null)
+        return rowsUpdated
+    }
+
+    /**
+     * Handles the insertion of new bookmark items record to local SQLite Database
+     */
+    override fun insert(uri: Uri, contentValues: ContentValues?): Uri? {
+        val id = requireDb().insert(TABLE_NAME, null, contentValues)
+        context?.contentResolver?.notifyChange(uri, null)
+        return "$BASE_URI/$id".toUri()
+    }
+
+
+    /**
+     * Handles the deletion of new bookmark items record to local SQLite Database
+     */
+    override fun delete(uri: Uri, s: String?, strings: Array<String>?): Int {
+        val rows: Int = requireDb().delete(
+            TABLE_NAME,
+            "$COLUMN_ID = ?",
+            arrayOf(uri.lastPathSegment)
+        )
+       context?.contentResolver?.notifyChange(uri, null)
+        return rows
+    }
+
+    companion object {
+        private const val BASE_PATH = "bookmarksItems"
+        val BASE_URI: Uri = "content://${BuildConfig.BOOKMARK_ITEMS_AUTHORITY}/$BASE_PATH".toUri()
+        fun uriForName(id: String) = "$BASE_URI/$id".toUri()
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsController.java

@@ -1,27 +0,0 @@
-package fr.free.nrw.commons.bookmarks.items;
-
-import fr.free.nrw.commons.upload.structure.depictions.DepictedItem;
-import java.util.List;
-import javax.inject.Inject;
-import javax.inject.Singleton;
-
-/**
- * Handles loading bookmarked items from Database
- */
-@Singleton
-public class BookmarkItemsController {
-
-    @Inject
-    BookmarkItemsDao bookmarkItemsDao;
-
-    @Inject
-    public BookmarkItemsController() {}
-
-    /**
-     * Load from DB the bookmarked items
-     * @return a list of DepictedItem objects.
-     */
-    public List<DepictedItem> loadFavoritesItems() {
-        return bookmarkItemsDao.getAllBookmarksItems();
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsController.kt

@@ -0,0 +1,23 @@
+package fr.free.nrw.commons.bookmarks.items
+
+import fr.free.nrw.commons.upload.structure.depictions.DepictedItem
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Handles loading bookmarked items from Database
+ */
+@Singleton
+class BookmarkItemsController @Inject constructor() {
+    @JvmField
+    @Inject
+    var bookmarkItemsDao: BookmarkItemsDao? = null
+
+    /**
+     * Load from DB the bookmarked items
+     * @return a list of DepictedItem objects.
+     */
+    fun loadFavoritesItems(): List<DepictedItem> {
+        return bookmarkItemsDao?.getAllBookmarksItems() ?: emptyList()
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsDao.java

@@ -1,329 +0,0 @@
-package fr.free.nrw.commons.bookmarks.items;
-
-import android.annotation.SuppressLint;
-import android.content.ContentProviderClient;
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.RemoteException;
-import fr.free.nrw.commons.category.CategoryItem;
-import fr.free.nrw.commons.upload.structure.depictions.DepictedItem;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import javax.inject.Inject;
-import javax.inject.Named;
-import javax.inject.Provider;
-import javax.inject.Singleton;
-import org.apache.commons.lang3.StringUtils;
-
-/**
- * Handles database operations for bookmarked items
- */
-@Singleton
-public class BookmarkItemsDao {
-
-    private final Provider<ContentProviderClient> clientProvider;
-
-    @Inject
-    public BookmarkItemsDao(
-        @Named("bookmarksItem") final Provider<ContentProviderClient> clientProvider) {
-        this.clientProvider = clientProvider;
-    }
-
-
-    /**
-     * Find all persisted items bookmarks on database
-     * @return list of bookmarks
-     */
-    public List<DepictedItem> getAllBookmarksItems() {
-        final List<DepictedItem> items = new ArrayList<>();
-        final ContentProviderClient db = clientProvider.get();
-        try (final Cursor cursor = db.query(
-            BookmarkItemsContentProvider.BASE_URI,
-            Table.ALL_FIELDS,
-            null,
-            new String[]{},
-            null)) {
-            while (cursor != null && cursor.moveToNext()) {
-                items.add(fromCursor(cursor));
-            }
-        } catch (final RemoteException e) {
-            throw new RuntimeException(e);
-        } finally {
-            db.release();
-        }
-        return items;
-    }
-
-
-    /**
-     * Look for a bookmark in database and in order to insert or delete it
-     * @param depictedItem : Bookmark object
-     * @return boolean : is bookmark now favorite ?
-     */
-    public boolean updateBookmarkItem(final DepictedItem depictedItem) {
-        final boolean bookmarkExists = findBookmarkItem(depictedItem.getId());
-        if (bookmarkExists) {
-            deleteBookmarkItem(depictedItem);
-        } else {
-            addBookmarkItem(depictedItem);
-        }
-        return !bookmarkExists;
-    }
-
-    /**
-     * Add a Bookmark to database
-     * @param depictedItem : Bookmark to add
-     */
-    private void addBookmarkItem(final DepictedItem depictedItem) {
-        final ContentProviderClient db = clientProvider.get();
-        try {
-            db.insert(BookmarkItemsContentProvider.BASE_URI, toContentValues(depictedItem));
-        } catch (final RemoteException e) {
-            throw new RuntimeException(e);
-        } finally {
-            db.release();
-        }
-    }
-
-    /**
-     * Delete a bookmark from database
-     * @param depictedItem : Bookmark to delete
-     */
-    private void deleteBookmarkItem(final DepictedItem depictedItem) {
-        final ContentProviderClient db = clientProvider.get();
-        try {
-            db.delete(BookmarkItemsContentProvider.uriForName(depictedItem.getId()), null, null);
-        } catch (final RemoteException e) {
-            throw new RuntimeException(e);
-        } finally {
-            db.release();
-        }
-    }
-
-    /**
-     * Find a bookmark from database based on its name
-     * @param depictedItemID : Bookmark to find
-     * @return boolean : is bookmark in database ?
-     */
-    public boolean findBookmarkItem(final String depictedItemID) {
-        if (depictedItemID == null) { //Avoiding NPE's
-            return false;
-        }
-        final ContentProviderClient db = clientProvider.get();
-        try (final Cursor cursor = db.query(
-            BookmarkItemsContentProvider.BASE_URI,
-            Table.ALL_FIELDS,
-            Table.COLUMN_ID + "=?",
-            new String[]{depictedItemID},
-            null
-        )) {
-            if (cursor != null && cursor.moveToFirst()) {
-                return true;
-            }
-        } catch (final RemoteException e) {
-            throw new RuntimeException(e);
-        } finally {
-            db.release();
-        }
-        return false;
-    }
-
-    /**
-     * Recives real data from cursor
-     * @param cursor : Object for storing database data
-     * @return DepictedItem
-     */
-    @SuppressLint("Range")
-    DepictedItem fromCursor(final Cursor cursor) {
-        final String fileName = cursor.getString(cursor.getColumnIndex(Table.COLUMN_NAME));
-        final String description
-            = cursor.getString(cursor.getColumnIndex(Table.COLUMN_DESCRIPTION));
-        final String imageUrl = cursor.getString(cursor.getColumnIndex(Table.COLUMN_IMAGE));
-        final String instanceListString
-            = cursor.getString(cursor.getColumnIndex(Table.COLUMN_INSTANCE_LIST));
-        final List<String> instanceList = StringToArray(instanceListString);
-        final String categoryNameListString = cursor.getString(cursor
-            .getColumnIndex(Table.COLUMN_CATEGORIES_NAME_LIST));
-        final List<String> categoryNameList = StringToArray(categoryNameListString);
-        final String categoryDescriptionListString = cursor.getString(cursor
-            .getColumnIndex(Table.COLUMN_CATEGORIES_DESCRIPTION_LIST));
-        final List<String> categoryDescriptionList = StringToArray(categoryDescriptionListString);
-        final String categoryThumbnailListString = cursor.getString(cursor
-            .getColumnIndex(Table.COLUMN_CATEGORIES_THUMBNAIL_LIST));
-        final List<String> categoryThumbnailList = StringToArray(categoryThumbnailListString);
-        final List<CategoryItem> categoryList = convertToCategoryItems(categoryNameList,
-            categoryDescriptionList, categoryThumbnailList);
-        final boolean isSelected
-            = Boolean.parseBoolean(cursor.getString(cursor
-            .getColumnIndex(Table.COLUMN_IS_SELECTED)));
-        final String id = cursor.getString(cursor.getColumnIndex(Table.COLUMN_ID));
-
-        return new DepictedItem(
-            fileName,
-            description,
-            imageUrl,
-            instanceList,
-            categoryList,
-            isSelected,
-            id
-        );
-    }
-
-    private List<CategoryItem> convertToCategoryItems(List<String> categoryNameList,
-        List<String> categoryDescriptionList, List<String> categoryThumbnailList) {
-        List<CategoryItem> categoryItems = new ArrayList<>();
-        for(int i=0; i<categoryNameList.size(); i++){
-            categoryItems.add(new CategoryItem(categoryNameList.get(i),
-                categoryDescriptionList.get(i),
-                categoryThumbnailList.get(i), false));
-        }
-        return categoryItems;
-    }
-
-    /**
-     * Converts string to List
-     * @param listString comma separated single string from of list items
-     * @return List of string
-     */
-    private List<String> StringToArray(final String listString) {
-        final String[] elements = listString.split(",");
-        return Arrays.asList(elements);
-    }
-
-    /**
-     * Converts string to List
-     * @param list list of items
-     * @return string comma separated single string of items
-     */
-    private String ArrayToString(final List<String> list) {
-        if (list != null) {
-            return StringUtils.join(list, ',');
-        }
-        return null;
-    }
-
-    /**
-     * Takes data from DepictedItem and create a content value object
-     * @param depictedItem depicted item
-     * @return ContentValues
-     */
-    private ContentValues toContentValues(final DepictedItem depictedItem) {
-
-        final List<String> namesOfCommonsCategories = new ArrayList<>();
-        for (final CategoryItem category :
-            depictedItem.getCommonsCategories()) {
-            namesOfCommonsCategories.add(category.getName());
-        }
-
-        final List<String> descriptionsOfCommonsCategories = new ArrayList<>();
-        for (final CategoryItem category :
-            depictedItem.getCommonsCategories()) {
-            descriptionsOfCommonsCategories.add(category.getDescription());
-        }
-
-        final List<String> thumbnailsOfCommonsCategories = new ArrayList<>();
-        for (final CategoryItem category :
-            depictedItem.getCommonsCategories()) {
-            thumbnailsOfCommonsCategories.add(category.getThumbnail());
-        }
-
-        final ContentValues cv = new ContentValues();
-        cv.put(Table.COLUMN_NAME, depictedItem.getName());
-        cv.put(Table.COLUMN_DESCRIPTION, depictedItem.getDescription());
-        cv.put(Table.COLUMN_IMAGE, depictedItem.getImageUrl());
-        cv.put(Table.COLUMN_INSTANCE_LIST, ArrayToString(depictedItem.getInstanceOfs()));
-        cv.put(Table.COLUMN_CATEGORIES_NAME_LIST, ArrayToString(namesOfCommonsCategories));
-        cv.put(Table.COLUMN_CATEGORIES_DESCRIPTION_LIST,
-            ArrayToString(descriptionsOfCommonsCategories));
-        cv.put(Table.COLUMN_CATEGORIES_THUMBNAIL_LIST,
-            ArrayToString(thumbnailsOfCommonsCategories));
-        cv.put(Table.COLUMN_IS_SELECTED, depictedItem.isSelected());
-        cv.put(Table.COLUMN_ID, depictedItem.getId());
-        return cv;
-    }
-
-    /**
-     * Table of bookmarksItems data
-     */
-    public static final class Table {
-        public static final String TABLE_NAME = "bookmarksItems";
-        public static final String COLUMN_NAME = "item_name";
-        public static final String COLUMN_DESCRIPTION = "item_description";
-        public static final String COLUMN_IMAGE = "item_image_url";
-        public static final String COLUMN_INSTANCE_LIST = "item_instance_of";
-        public static final String COLUMN_CATEGORIES_NAME_LIST = "item_name_categories";
-        public static final String COLUMN_CATEGORIES_DESCRIPTION_LIST = "item_description_categories";
-        public static final String COLUMN_CATEGORIES_THUMBNAIL_LIST = "item_thumbnail_categories";
-        public static final String COLUMN_IS_SELECTED = "item_is_selected";
-        public static final String COLUMN_ID = "item_id";
-
-        public static final String[] ALL_FIELDS = {
-            COLUMN_NAME,
-            COLUMN_DESCRIPTION,
-            COLUMN_IMAGE,
-            COLUMN_INSTANCE_LIST,
-            COLUMN_CATEGORIES_NAME_LIST,
-            COLUMN_CATEGORIES_DESCRIPTION_LIST,
-            COLUMN_CATEGORIES_THUMBNAIL_LIST,
-            COLUMN_IS_SELECTED,
-            COLUMN_ID
-        };
-
-        static final String DROP_TABLE_STATEMENT = "DROP TABLE IF EXISTS " + TABLE_NAME;
-        static final String CREATE_TABLE_STATEMENT = "CREATE TABLE " + TABLE_NAME + " ("
-            + COLUMN_NAME + " STRING,"
-            + COLUMN_DESCRIPTION + " STRING,"
-            + COLUMN_IMAGE + " STRING,"
-            + COLUMN_INSTANCE_LIST + " STRING,"
-            + COLUMN_CATEGORIES_NAME_LIST + " STRING,"
-            + COLUMN_CATEGORIES_DESCRIPTION_LIST + " STRING,"
-            + COLUMN_CATEGORIES_THUMBNAIL_LIST + " STRING,"
-            + COLUMN_IS_SELECTED + " STRING,"
-            + COLUMN_ID + " STRING PRIMARY KEY"
-            + ");";
-
-        /**
-         * Creates table
-         * @param db SQLiteDatabase
-         */
-        public static void onCreate(final SQLiteDatabase db) {
-            db.execSQL(CREATE_TABLE_STATEMENT);
-        }
-
-        /**
-         * Deletes database
-         * @param db SQLiteDatabase
-         */
-        public static void onDelete(final SQLiteDatabase db) {
-            db.execSQL(DROP_TABLE_STATEMENT);
-            onCreate(db);
-        }
-
-        /**
-         * Updates database
-         * @param db SQLiteDatabase
-         * @param from starting
-         * @param to end
-         */
-        public static void onUpdate(final SQLiteDatabase db, int from, final int to) {
-            if (from == to) {
-                return;
-            }
-            if (from < 18) {
-                // doesn't exist yet
-                from++;
-                onUpdate(db, from, to);
-                return;
-            }
-
-            if (from == 18) {
-                // table added in version 19
-                onCreate(db);
-                from++;
-                onUpdate(db, from, to);
-            }
-        }
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsDao.kt

@@ -0,0 +1,203 @@
+package fr.free.nrw.commons.bookmarks.items
+
+import android.annotation.SuppressLint
+import android.content.ContentProviderClient
+import android.content.ContentValues
+import android.database.Cursor
+import android.os.RemoteException
+import androidx.core.content.contentValuesOf
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsContentProvider.Companion.BASE_URI
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsContentProvider.Companion.uriForName
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_CATEGORIES_DESCRIPTION_LIST
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_CATEGORIES_NAME_LIST
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_CATEGORIES_THUMBNAIL_LIST
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_DESCRIPTION
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_ID
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_IMAGE
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_INSTANCE_LIST
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_IS_SELECTED
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable.COLUMN_NAME
+import fr.free.nrw.commons.category.CategoryItem
+import fr.free.nrw.commons.upload.structure.depictions.DepictedItem
+import fr.free.nrw.commons.utils.arrayToString
+import fr.free.nrw.commons.utils.getString
+import fr.free.nrw.commons.utils.getStringArray
+import javax.inject.Inject
+import javax.inject.Named
+import javax.inject.Provider
+import javax.inject.Singleton
+
+/**
+ * Handles database operations for bookmarked items
+ */
+@Singleton
+class BookmarkItemsDao @Inject constructor(
+    @param:Named("bookmarksItem") private val clientProvider: Provider<ContentProviderClient>
+) {
+    /**
+     * Find all persisted items bookmarks on database
+     * @return list of bookmarks
+     */
+    fun getAllBookmarksItems(): List<DepictedItem> {
+        val items: MutableList<DepictedItem> = mutableListOf()
+        val db = clientProvider.get()
+        try {
+            db.query(
+                BASE_URI,
+                BookmarkItemsTable.ALL_FIELDS,
+                null,
+                arrayOf(),
+                null
+            ).use { cursor ->
+                while (cursor != null && cursor.moveToNext()) {
+                    items.add(fromCursor(cursor))
+                }
+            }
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            db.release()
+        }
+        return items
+    }
+
+
+    /**
+     * Look for a bookmark in database and in order to insert or delete it
+     * @param depictedItem : Bookmark object
+     * @return boolean : is bookmark now favorite ?
+     */
+    fun updateBookmarkItem(depictedItem: DepictedItem): Boolean {
+        val bookmarkExists = findBookmarkItem(depictedItem.id)
+        if (bookmarkExists) {
+            deleteBookmarkItem(depictedItem)
+        } else {
+            addBookmarkItem(depictedItem)
+        }
+        return !bookmarkExists
+    }
+
+    /**
+     * Add a Bookmark to database
+     * @param depictedItem : Bookmark to add
+     */
+    private fun addBookmarkItem(depictedItem: DepictedItem) {
+        val db = clientProvider.get()
+        try {
+            db.insert(BASE_URI, toContentValues(depictedItem))
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            db.release()
+        }
+    }
+
+    /**
+     * Delete a bookmark from database
+     * @param depictedItem : Bookmark to delete
+     */
+    private fun deleteBookmarkItem(depictedItem: DepictedItem) {
+        val db = clientProvider.get()
+        try {
+            db.delete(uriForName(depictedItem.id), null, null)
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            db.release()
+        }
+    }
+
+    /**
+     * Find a bookmark from database based on its name
+     * @param depictedItemID : Bookmark to find
+     * @return boolean : is bookmark in database ?
+     */
+    fun findBookmarkItem(depictedItemID: String?): Boolean {
+        if (depictedItemID == null) { //Avoiding NPE's
+            return false
+        }
+        val db = clientProvider.get()
+        try {
+            db.query(
+                BASE_URI,
+                BookmarkItemsTable.ALL_FIELDS,
+                COLUMN_ID + "=?",
+                arrayOf(depictedItemID),
+                null
+            ).use { cursor ->
+                if (cursor != null && cursor.moveToFirst()) {
+                    return true
+                }
+            }
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            db.release()
+        }
+        return false
+    }
+
+    /**
+     * Recives real data from cursor
+     * @param cursor : Object for storing database data
+     * @return DepictedItem
+     */
+    @SuppressLint("Range")
+    fun fromCursor(cursor: Cursor) = with(cursor) {
+        var name = getString(COLUMN_NAME)
+        if (name == null) {
+            name = ""
+        }
+
+        var id = getString(COLUMN_ID)
+        if (id == null) {
+            id = ""
+        }
+
+        DepictedItem(
+            name,
+            getString(COLUMN_DESCRIPTION),
+            getString(COLUMN_IMAGE),
+            getStringArray(COLUMN_INSTANCE_LIST),
+            convertToCategoryItems(
+                getStringArray(COLUMN_CATEGORIES_NAME_LIST),
+                getStringArray(COLUMN_CATEGORIES_DESCRIPTION_LIST),
+                getStringArray(COLUMN_CATEGORIES_THUMBNAIL_LIST)
+            ),
+            getString(COLUMN_IS_SELECTED).toBoolean(),
+            id
+        )
+    }
+
+    private fun convertToCategoryItems(
+        categoryNameList: List<String>,
+        categoryDescriptionList: List<String>,
+        categoryThumbnailList: List<String>
+    ): List<CategoryItem> = categoryNameList.mapIndexed { index, name ->
+        CategoryItem(
+            name = name,
+            description = categoryDescriptionList.getOrNull(index),
+            thumbnail = categoryThumbnailList.getOrNull(index),
+            isSelected = false
+        )
+    }
+
+    /**
+     * Takes data from DepictedItem and create a content value object
+     * @param depictedItem depicted item
+     * @return ContentValues
+     */
+    private fun toContentValues(depictedItem: DepictedItem): ContentValues {
+        return contentValuesOf(
+            COLUMN_NAME to depictedItem.name,
+            COLUMN_DESCRIPTION to depictedItem.description,
+            COLUMN_IMAGE to depictedItem.imageUrl,
+            COLUMN_INSTANCE_LIST to arrayToString(depictedItem.instanceOfs),
+            COLUMN_CATEGORIES_NAME_LIST to arrayToString(depictedItem.commonsCategories.map { it.name }),
+            COLUMN_CATEGORIES_DESCRIPTION_LIST to arrayToString(depictedItem.commonsCategories.map { it.description }),
+            COLUMN_CATEGORIES_THUMBNAIL_LIST to arrayToString(depictedItem.commonsCategories.map { it.thumbnail }),
+            COLUMN_IS_SELECTED to depictedItem.isSelected,
+            COLUMN_ID to depictedItem.id,
+        )
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsFragment.java

@@ -1,81 +0,0 @@
-package fr.free.nrw.commons.bookmarks.items;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ProgressBar;
-import android.widget.RelativeLayout;
-import android.widget.TextView;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import dagger.android.support.DaggerFragment;
-import fr.free.nrw.commons.R;
-import fr.free.nrw.commons.databinding.FragmentBookmarksItemsBinding;
-import fr.free.nrw.commons.upload.structure.depictions.DepictedItem;
-import java.util.List;
-import javax.inject.Inject;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * Tab fragment to show list of bookmarked Wikidata Items
- */
-public class BookmarkItemsFragment extends DaggerFragment {
-
-    private FragmentBookmarksItemsBinding binding;
-
-    @Inject
-    BookmarkItemsController controller;
-
-    public static BookmarkItemsFragment newInstance() {
-        return new BookmarkItemsFragment();
-    }
-
-    @Override
-    public View onCreateView(
-        @NonNull final LayoutInflater inflater,
-        final ViewGroup container,
-        final Bundle savedInstanceState
-    ) {
-        binding = FragmentBookmarksItemsBinding.inflate(inflater, container, false);
-        return binding.getRoot();
-    }
-
-    @Override
-    public void onViewCreated(final @NotNull View view, @Nullable final Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-        initList(requireContext());
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        initList(requireContext());
-    }
-
-    /**
-     * Get list of DepictedItem and sets to the adapter
-     * @param context context
-     */
-    private void initList(final Context context) {
-        final List<DepictedItem> depictItems = controller.loadFavoritesItems();
-        final BookmarkItemsAdapter adapter = new BookmarkItemsAdapter(depictItems, context);
-        binding.listView.setAdapter(adapter);
-        binding.loadingImagesProgressBar.setVisibility(View.GONE);
-        if (depictItems.isEmpty()) {
-            binding.statusMessage.setText(R.string.bookmark_empty);
-            binding.statusMessage.setVisibility(View.VISIBLE);
-        } else {
-            binding.statusMessage.setVisibility(View.GONE);
-        }
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        binding = null;
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsFragment.kt

@@ -0,0 +1,62 @@
+package fr.free.nrw.commons.bookmarks.items
+
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import dagger.android.support.DaggerFragment
+import fr.free.nrw.commons.R
+import fr.free.nrw.commons.databinding.FragmentBookmarksItemsBinding
+import javax.inject.Inject
+
+/**
+ * Tab fragment to show list of bookmarked Wikidata Items
+ */
+class BookmarkItemsFragment : DaggerFragment() {
+    private var binding: FragmentBookmarksItemsBinding? = null
+
+    @JvmField
+    @Inject
+    var controller: BookmarkItemsController? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentBookmarksItemsBinding.inflate(inflater, container, false)
+        return binding!!.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        initList(requireContext())
+    }
+
+    override fun onResume() {
+        super.onResume()
+        initList(requireContext())
+    }
+
+    /**
+     * Get list of DepictedItem and sets to the adapter
+     * @param context context
+     */
+    private fun initList(context: Context) {
+        val depictItems = controller!!.loadFavoritesItems()
+        binding!!.listView.adapter = BookmarkItemsAdapter(depictItems, context)
+        binding!!.loadingImagesProgressBar.visibility = View.GONE
+        if (depictItems.isEmpty()) {
+            binding!!.statusMessage.setText(R.string.bookmark_empty)
+            binding!!.statusMessage.visibility = View.VISIBLE
+        } else {
+            binding!!.statusMessage.visibility = View.GONE
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        binding = null
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/items/BookmarkItemsTable.kt

@@ -0,0 +1,90 @@
+package fr.free.nrw.commons.bookmarks.items
+
+import android.database.sqlite.SQLiteDatabase
+
+/**
+ * Table of bookmarksItems data
+ */
+object BookmarkItemsTable {
+    const val TABLE_NAME = "bookmarksItems"
+    const val COLUMN_NAME = "item_name"
+    const val COLUMN_DESCRIPTION = "item_description"
+    const val COLUMN_IMAGE = "item_image_url"
+    const val COLUMN_INSTANCE_LIST = "item_instance_of"
+    const val COLUMN_CATEGORIES_NAME_LIST = "item_name_categories"
+    const val COLUMN_CATEGORIES_DESCRIPTION_LIST = "item_description_categories"
+    const val COLUMN_CATEGORIES_THUMBNAIL_LIST = "item_thumbnail_categories"
+    const val COLUMN_IS_SELECTED = "item_is_selected"
+    const val COLUMN_ID = "item_id"
+
+    val ALL_FIELDS = arrayOf(
+        COLUMN_NAME,
+        COLUMN_DESCRIPTION,
+        COLUMN_IMAGE,
+        COLUMN_INSTANCE_LIST,
+        COLUMN_CATEGORIES_NAME_LIST,
+        COLUMN_CATEGORIES_DESCRIPTION_LIST,
+        COLUMN_CATEGORIES_THUMBNAIL_LIST,
+        COLUMN_IS_SELECTED,
+        COLUMN_ID
+    )
+
+    const val DROP_TABLE_STATEMENT = "DROP TABLE IF EXISTS $TABLE_NAME"
+
+    val CREATE_TABLE_STATEMENT =
+        """CREATE TABLE $TABLE_NAME (
+             $COLUMN_NAME STRING,
+             $COLUMN_DESCRIPTION STRING,
+             $COLUMN_IMAGE STRING,
+             $COLUMN_INSTANCE_LIST STRING,
+             $COLUMN_CATEGORIES_NAME_LIST STRING,
+             $COLUMN_CATEGORIES_DESCRIPTION_LIST STRING,
+             $COLUMN_CATEGORIES_THUMBNAIL_LIST STRING,
+             $COLUMN_IS_SELECTED STRING,
+             $COLUMN_ID STRING PRIMARY KEY
+           );""".trimIndent()
+
+    /**
+     * Creates table
+     *
+     * @param db SQLiteDatabase
+     */
+    fun onCreate(db: SQLiteDatabase) {
+        db.execSQL(CREATE_TABLE_STATEMENT)
+    }
+
+    /**
+     * Deletes database
+     *
+     * @param db SQLiteDatabase
+     */
+    fun onDelete(db: SQLiteDatabase) {
+        db.execSQL(DROP_TABLE_STATEMENT)
+        onCreate(db)
+    }
+
+    /**
+     * Updates database
+     *
+     * @param db   SQLiteDatabase
+     * @param from starting
+     * @param to   end
+     */
+    fun onUpdate(db: SQLiteDatabase, from: Int, to: Int) {
+        if (from == to) {
+            return
+        }
+
+        if (from < 18) {
+            // doesn't exist yet
+            onUpdate(db, from + 1, to)
+            return
+        }
+
+        if (from == 18) {
+            // table added in version 19
+            onCreate(db)
+            onUpdate(db, from + 1, to)
+        }
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/locations/BookmarkLocationsFragment.kt

@@ -1,7 +1,6 @@
 package fr.free.nrw.commons.bookmarks.locations
 
 import android.Manifest.permission
-import android.annotation.SuppressLint
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -9,15 +8,12 @@ import android.view.ViewGroup
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts.RequestMultiplePermissions
 import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
-import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
-import androidx.lifecycle.repeatOnLifecycle
 import androidx.recyclerview.widget.LinearLayoutManager
 import dagger.android.support.DaggerFragment
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.contributions.ContributionController
 import fr.free.nrw.commons.databinding.FragmentBookmarksLocationsBinding
-import fr.free.nrw.commons.filepicker.FilePicker
 import fr.free.nrw.commons.nearby.Place
 import fr.free.nrw.commons.nearby.fragments.CommonPlaceClickActions
 import fr.free.nrw.commons.nearby.fragments.PlaceAdapter
@@ -41,33 +37,27 @@ class BookmarkLocationsFragment : DaggerFragment() {
     private val cameraPickLauncherForResult =
         registerForActivityResult(StartActivityForResult()) { result ->
             contributionController.handleActivityResultWithCallback(
-                requireActivity(),
-                object: FilePicker.HandleActivityResult {
-                    override fun onHandleActivityResult(callbacks: FilePicker.Callbacks) {
-                        contributionController.onPictureReturnedFromCamera(
-                            result,
-                            requireActivity(),
-                            callbacks
-                        )
-                    }
-                }
-            )
+                requireActivity()
+            ) { callbacks ->
+                contributionController.onPictureReturnedFromCamera(
+                    result,
+                    requireActivity(),
+                    callbacks
+                )
+            }
         }
 
     private val galleryPickLauncherForResult =
         registerForActivityResult(StartActivityForResult()) { result ->
             contributionController.handleActivityResultWithCallback(
-                requireActivity(),
-                object: FilePicker.HandleActivityResult {
-                    override fun onHandleActivityResult(callbacks: FilePicker.Callbacks) {
-                        contributionController.onPictureReturnedFromGallery(
-                            result,
-                            requireActivity(),
-                            callbacks
-                        )
-                    }
-                }
-            )
+                requireActivity()
+            ) { callbacks ->
+                contributionController.onPictureReturnedFromGallery(
+                    result,
+                    requireActivity(),
+                    callbacks
+                )
+            }
         }
 
     companion object {

app/src/main/java/fr/free/nrw/commons/bookmarks/models/Bookmark.kt

@@ -8,7 +8,7 @@ class Bookmark(
     /**
      * Gets or Sets the content URI - marking this bookmark as already saved in the database
      * @return content URI
-     * @param contentUri the content URI
+     * contentUri the content URI
      */
     var contentUri: Uri?,
 ) {

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesContentProvider.java

@@ -1,120 +0,0 @@
-package fr.free.nrw.commons.bookmarks.pictures;
-
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteQueryBuilder;
-// We can get uri using java.Net.Uri, but andoid implimentation is faster (but it's forgiving with handling exceptions though)
-import android.net.Uri;
-import android.text.TextUtils;
-
-import androidx.annotation.NonNull;
-
-import javax.inject.Inject;
-
-import fr.free.nrw.commons.BuildConfig;
-import fr.free.nrw.commons.data.DBOpenHelper;
-import fr.free.nrw.commons.di.CommonsDaggerContentProvider;
-import timber.log.Timber;
-
-import static fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesDao.Table.COLUMN_MEDIA_NAME;
-import static fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesDao.Table.TABLE_NAME;
-
-/**
- * Handles private storage for Bookmark pictures
- */
-public class BookmarkPicturesContentProvider extends CommonsDaggerContentProvider {
-
-    private static final String BASE_PATH = "bookmarks";
-    public static final Uri BASE_URI = Uri.parse("content://" + BuildConfig.BOOKMARK_AUTHORITY + "/" + BASE_PATH);
-
-    /**
-     * Append bookmark pictures name to the base uri 
-     */
-    public static Uri uriForName(String name) {
-        return Uri.parse(BASE_URI.toString() + "/" + name);
-    }
-
-    @Inject
-    DBOpenHelper dbOpenHelper;
-
-    @Override
-    public String getType(@NonNull Uri uri) {
-        return null;
-    }
-
-    /**
-     * Queries the SQLite database for the bookmark pictures
-     * @param uri : contains the uri for bookmark pictures
-     * @param projection
-     * @param selection : handles Where
-     * @param selectionArgs : the condition of Where clause
-     * @param sortOrder : ascending or descending
-     */
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public Cursor query(@NonNull Uri uri, String[] projection, String selection,
-                        String[] selectionArgs, String sortOrder) {
-        SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
-        queryBuilder.setTables(TABLE_NAME);
-
-        SQLiteDatabase db = dbOpenHelper.getReadableDatabase();
-        Cursor cursor = queryBuilder.query(db, projection, selection, selectionArgs, null, null, sortOrder);
-        cursor.setNotificationUri(getContext().getContentResolver(), uri);
-
-        return cursor;
-    }
-
-    /**
-     * Handles the update query of local SQLite Database 
-     * @param uri : contains the uri for bookmark pictures
-     * @param contentValues : new values to be entered to db
-     * @param selection : handles Where
-     * @param selectionArgs : the condition of Where clause
-     */
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public int update(@NonNull Uri uri, ContentValues contentValues, String selection,
-                      String[] selectionArgs) {
-        SQLiteDatabase sqlDB = dbOpenHelper.getWritableDatabase();
-        int rowsUpdated;
-        if (TextUtils.isEmpty(selection)) {
-            int id = Integer.valueOf(uri.getLastPathSegment());
-            rowsUpdated = sqlDB.update(TABLE_NAME,
-                    contentValues,
-                    COLUMN_MEDIA_NAME + " = ?",
-                    new String[]{String.valueOf(id)});
-        } else {
-            throw new IllegalArgumentException(
-                    "Parameter `selection` should be empty when updating an ID");
-        }
-        getContext().getContentResolver().notifyChange(uri, null);
-        return rowsUpdated;
-    }
-
-    /**
-     * Handles the insertion of new bookmark pictures record to local SQLite Database
-     */
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public Uri insert(@NonNull Uri uri, ContentValues contentValues) {
-        SQLiteDatabase sqlDB = dbOpenHelper.getWritableDatabase();
-        long id = sqlDB.insert(BookmarkPicturesDao.Table.TABLE_NAME, null, contentValues);
-        getContext().getContentResolver().notifyChange(uri, null);
-        return Uri.parse(BASE_URI + "/" + id);
-    }
-
-    @SuppressWarnings("ConstantConditions")
-    @Override
-    public int delete(@NonNull Uri uri, String s, String[] strings) {
-        int rows;
-        SQLiteDatabase db = dbOpenHelper.getReadableDatabase();
-        Timber.d("Deleting bookmark name %s", uri.getLastPathSegment());
-        rows = db.delete(TABLE_NAME,
-                "media_name = ?",
-                new String[]{uri.getLastPathSegment()}
-        );
-        getContext().getContentResolver().notifyChange(uri, null);
-        return rows;
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesContentProvider.kt

@@ -0,0 +1,100 @@
+package fr.free.nrw.commons.bookmarks.pictures
+
+import android.content.ContentValues
+import android.database.Cursor
+import android.database.sqlite.SQLiteQueryBuilder
+import android.net.Uri
+import fr.free.nrw.commons.BuildConfig
+import fr.free.nrw.commons.di.CommonsDaggerContentProvider
+import androidx.core.net.toUri
+import fr.free.nrw.commons.bookmarks.pictures.BookmarksTable.COLUMN_MEDIA_NAME
+import fr.free.nrw.commons.bookmarks.pictures.BookmarksTable.TABLE_NAME
+
+/**
+ * Handles private storage for Bookmark pictures
+ */
+class BookmarkPicturesContentProvider : CommonsDaggerContentProvider() {
+    override fun getType(uri: Uri): String? = null
+
+    /**
+     * Queries the SQLite database for the bookmark pictures
+     * @param uri : contains the uri for bookmark pictures
+     * @param projection
+     * @param selection : handles Where
+     * @param selectionArgs : the condition of Where clause
+     * @param sortOrder : ascending or descending
+     */
+    override fun query(
+        uri: Uri, projection: Array<String>?, selection: String?,
+        selectionArgs: Array<String>?, sortOrder: String?
+    ): Cursor {
+        val queryBuilder = SQLiteQueryBuilder().apply {
+            tables = TABLE_NAME
+        }
+
+        val cursor = queryBuilder.query(
+            requireDb(), projection, selection,
+            selectionArgs, null, null, sortOrder
+        )
+        cursor.setNotificationUri(context?.contentResolver, uri)
+
+        return cursor
+    }
+
+    /**
+     * Handles the update query of local SQLite Database
+     * @param uri : contains the uri for bookmark pictures
+     * @param contentValues : new values to be entered to db
+     * @param selection : handles Where
+     * @param selectionArgs : the condition of Where clause
+     */
+    override fun update(
+        uri: Uri, contentValues: ContentValues?, selection: String?,
+        selectionArgs: Array<String>?
+    ): Int {
+        val rowsUpdated: Int
+        if (selection.isNullOrEmpty()) {
+            val id = uri.lastPathSegment!!.toInt()
+            rowsUpdated = requireDb().update(
+                TABLE_NAME,
+                contentValues,
+                "$COLUMN_MEDIA_NAME = ?",
+                arrayOf(id.toString())
+            )
+        } else {
+            throw IllegalArgumentException(
+                "Parameter `selection` should be empty when updating an ID"
+            )
+        }
+        context?.contentResolver?.notifyChange(uri, null)
+        return rowsUpdated
+    }
+
+    /**
+     * Handles the insertion of new bookmark pictures record to local SQLite Database
+     */
+    override fun insert(uri: Uri, contentValues: ContentValues?): Uri {
+        val id = requireDb().insert(TABLE_NAME, null, contentValues)
+        context?.contentResolver?.notifyChange(uri, null)
+        return "$BASE_URI/$id".toUri()
+    }
+
+    override fun delete(uri: Uri, s: String?, strings: Array<String>?): Int {
+        val rows: Int = requireDb().delete(
+            TABLE_NAME,
+            "media_name = ?",
+            arrayOf(uri.lastPathSegment)
+        )
+        context?.contentResolver?.notifyChange(uri, null)
+        return rows
+    }
+
+    companion object {
+        private const val BASE_PATH = "bookmarks"
+        @JvmField
+        val BASE_URI: Uri = "content://${BuildConfig.BOOKMARK_AUTHORITY}/$BASE_PATH".toUri()
+
+        @JvmStatic
+        fun uriForName(name: String): Uri = "$BASE_URI/$name".toUri()
+    }
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesController.java

@@ -1,63 +0,0 @@
-package fr.free.nrw.commons.bookmarks.pictures;
-
-import fr.free.nrw.commons.Media;
-import fr.free.nrw.commons.bookmarks.models.Bookmark;
-import fr.free.nrw.commons.media.MediaClient;
-import io.reactivex.Observable;
-import io.reactivex.ObservableSource;
-import io.reactivex.Single;
-import io.reactivex.functions.Function;
-import java.util.ArrayList;
-import java.util.List;
-import javax.inject.Inject;
-import javax.inject.Singleton;
-
-@Singleton
-public class BookmarkPicturesController {
-
-    private final MediaClient mediaClient;
-    private final BookmarkPicturesDao bookmarkDao;
-
-    private List<Bookmark> currentBookmarks;
-
-    @Inject
-    public BookmarkPicturesController(MediaClient mediaClient, BookmarkPicturesDao bookmarkDao) {
-        this.mediaClient = mediaClient;
-        this.bookmarkDao = bookmarkDao;
-        currentBookmarks = new ArrayList<>();
-    }
-
-    /**
-     * Loads the Media objects from the raw data stored in DB and the API.
-     * @return a list of bookmarked Media object
-     */
-    Single<List<Media>> loadBookmarkedPictures() {
-        List<Bookmark> bookmarks = bookmarkDao.getAllBookmarks();
-        currentBookmarks = bookmarks;
-        return Observable.fromIterable(bookmarks)
-                .flatMap((Function<Bookmark, ObservableSource<Media>>) this::getMediaFromBookmark)
-                .toList();
-    }
-
-    private Observable<Media> getMediaFromBookmark(Bookmark bookmark) {
-        return mediaClient.getMedia(bookmark.getMediaName())
-                .toObservable()
-            .onErrorResumeNext(Observable.empty());
-    }
-
-    /**
-     * Loads the Media objects from the raw data stored in DB and the API.
-     * @return a list of bookmarked Media object
-     */
-    boolean needRefreshBookmarkedPictures() {
-        List<Bookmark> bookmarks = bookmarkDao.getAllBookmarks();
-        return bookmarks.size() != currentBookmarks.size();
-    }
-
-    /**
-     * Cancels the requests to the API and the DB
-     */
-    void stop() {
-        //noop
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesController.kt

@@ -0,0 +1,38 @@
+package fr.free.nrw.commons.bookmarks.pictures
+
+import fr.free.nrw.commons.Media
+import fr.free.nrw.commons.bookmarks.models.Bookmark
+import fr.free.nrw.commons.media.MediaClient
+import io.reactivex.Observable
+import io.reactivex.Single
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class BookmarkPicturesController @Inject constructor(
+    private val mediaClient: MediaClient,
+    private val bookmarkDao: BookmarkPicturesDao
+) {
+    private var currentBookmarks: List<Bookmark> = listOf()
+
+    /**
+     * Loads the Media objects from the raw data stored in DB and the API.
+     * @return a list of bookmarked Media object
+     */
+    fun loadBookmarkedPictures(): Single<List<Media>> {
+        val bookmarks = bookmarkDao.getAllBookmarks()
+        currentBookmarks = bookmarks
+        return Observable.fromIterable(bookmarks).flatMap {
+            mediaClient.getMedia(it.mediaName)
+                .toObservable()
+                .onErrorResumeNext(Observable.empty())
+        }.toList()
+    }
+
+    fun needRefreshBookmarkedPictures(): Boolean {
+        val bookmarks = bookmarkDao.getAllBookmarks()
+        return bookmarks.size != currentBookmarks.size
+    }
+
+    fun stop() = Unit
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesDao.java

@@ -1,227 +0,0 @@
-package fr.free.nrw.commons.bookmarks.pictures;
-
-import android.annotation.SuppressLint;
-import android.content.ContentProviderClient;
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.RemoteException;
-
-import androidx.annotation.NonNull;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.inject.Inject;
-import javax.inject.Named;
-import javax.inject.Provider;
-import javax.inject.Singleton;
-
-import fr.free.nrw.commons.bookmarks.models.Bookmark;
-
-import static fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesContentProvider.BASE_URI;
-
-@Singleton
-public class BookmarkPicturesDao {
-
-    private final Provider<ContentProviderClient> clientProvider;
-
-    @Inject
-    public BookmarkPicturesDao(@Named("bookmarks") Provider<ContentProviderClient> clientProvider) {
-        this.clientProvider = clientProvider;
-    }
-
-
-    /**
-     * Find all persisted pictures bookmarks on database
-     *
-     * @return list of bookmarks
-     */
-    @NonNull
-    public List<Bookmark> getAllBookmarks() {
-        List<Bookmark> items = new ArrayList<>();
-        Cursor cursor = null;
-        ContentProviderClient db = clientProvider.get();
-        try {
-            cursor = db.query(
-                    BookmarkPicturesContentProvider.BASE_URI,
-                    Table.ALL_FIELDS,
-                    null,
-                    new String[]{},
-                    null);
-            while (cursor != null && cursor.moveToNext()) {
-                items.add(fromCursor(cursor));
-            }
-        } catch (RemoteException e) {
-            throw new RuntimeException(e);
-        } finally {
-            if (cursor != null) {
-                cursor.close();
-            }
-            db.release();
-        }
-        return items;
-    }
-
-
-    /**
-     * Look for a bookmark in database and in order to insert or delete it
-     *
-     * @param bookmark : Bookmark object
-     * @return boolean : is bookmark now fav ?
-     */
-    public boolean updateBookmark(Bookmark bookmark) {
-        boolean bookmarkExists = findBookmark(bookmark);
-        if (bookmarkExists) {
-            deleteBookmark(bookmark);
-        } else {
-            addBookmark(bookmark);
-        }
-        return !bookmarkExists;
-    }
-
-    /**
-     * Add a Bookmark to database
-     *
-     * @param bookmark : Bookmark to add
-     */
-    private void addBookmark(Bookmark bookmark) {
-        ContentProviderClient db = clientProvider.get();
-        try {
-            db.insert(BASE_URI, toContentValues(bookmark));
-        } catch (RemoteException e) {
-            throw new RuntimeException(e);
-        } finally {
-            db.release();
-        }
-    }
-
-    /**
-     * Delete a bookmark from database
-     *
-     * @param bookmark : Bookmark to delete
-     */
-    private void deleteBookmark(Bookmark bookmark) {
-        ContentProviderClient db = clientProvider.get();
-        try {
-            if (bookmark.getContentUri() == null) {
-                throw new RuntimeException("tried to delete item with no content URI");
-            } else {
-                db.delete(bookmark.getContentUri(), null, null);
-            }
-        } catch (RemoteException e) {
-            throw new RuntimeException(e);
-        } finally {
-            db.release();
-        }
-    }
-
-    /**
-     * Find a bookmark from database based on its name
-     *
-     * @param bookmark : Bookmark to find
-     * @return boolean : is bookmark in database ?
-     */
-    public boolean findBookmark(Bookmark bookmark) {
-        if (bookmark == null) {//Avoiding NPE's
-            return false;
-        }
-
-        Cursor cursor = null;
-        ContentProviderClient db = clientProvider.get();
-        try {
-            cursor = db.query(
-                    BookmarkPicturesContentProvider.BASE_URI,
-                    Table.ALL_FIELDS,
-                    Table.COLUMN_MEDIA_NAME + "=?",
-                    new String[]{bookmark.getMediaName()},
-                    null);
-            if (cursor != null && cursor.moveToFirst()) {
-                return true;
-            }
-        } catch (RemoteException e) {
-            // This feels lazy, but to hell with checked exceptions. :)
-            throw new RuntimeException(e);
-        } finally {
-            if (cursor != null) {
-                cursor.close();
-            }
-            db.release();
-        }
-        return false;
-    }
-
-    @SuppressLint("Range")
-    @NonNull
-    Bookmark fromCursor(Cursor cursor) {
-        String fileName = cursor.getString(cursor.getColumnIndex(Table.COLUMN_MEDIA_NAME));
-        return new Bookmark(
-                fileName,
-                cursor.getString(cursor.getColumnIndex(Table.COLUMN_CREATOR)),
-                BookmarkPicturesContentProvider.uriForName(fileName)
-        );
-    }
-
-    private ContentValues toContentValues(Bookmark bookmark) {
-        ContentValues cv = new ContentValues();
-        cv.put(BookmarkPicturesDao.Table.COLUMN_MEDIA_NAME, bookmark.getMediaName());
-        cv.put(BookmarkPicturesDao.Table.COLUMN_CREATOR, bookmark.getMediaCreator());
-        return cv;
-    }
-
-
-    public static class Table {
-        public static final String TABLE_NAME = "bookmarks";
-
-        public static final String COLUMN_MEDIA_NAME = "media_name";
-        public static final String COLUMN_CREATOR = "media_creator";
-
-        // NOTE! KEEP IN SAME ORDER AS THEY ARE DEFINED UP THERE. HELPS HARD CODE COLUMN INDICES.
-        public static final String[] ALL_FIELDS = {
-                COLUMN_MEDIA_NAME,
-                COLUMN_CREATOR
-        };
-
-        public static final String DROP_TABLE_STATEMENT = "DROP TABLE IF EXISTS " + TABLE_NAME;
-
-        public static final String CREATE_TABLE_STATEMENT = "CREATE TABLE " + TABLE_NAME + " ("
-                + COLUMN_MEDIA_NAME + " STRING PRIMARY KEY,"
-                + COLUMN_CREATOR + " STRING"
-                + ");";
-
-        public static void onCreate(SQLiteDatabase db) {
-            db.execSQL(CREATE_TABLE_STATEMENT);
-        }
-
-        public static void onDelete(SQLiteDatabase db) {
-            db.execSQL(DROP_TABLE_STATEMENT);
-            onCreate(db);
-        }
-
-        public static void onUpdate(SQLiteDatabase db, int from, int to) {
-            if (from == to) {
-                return;
-            }
-            if (from < 7) {
-                // doesn't exist yet
-                from++;
-                onUpdate(db, from, to);
-                return;
-            }
-
-            if (from == 7) {
-                // table added in version 8
-                onCreate(db);
-                from++;
-                onUpdate(db, from, to);
-                return;
-            }
-
-            if (from == 8) {
-                from++;
-                onUpdate(db, from, to);
-                return;
-            }
-        }
-    }
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesDao.kt

@@ -0,0 +1,144 @@
+package fr.free.nrw.commons.bookmarks.pictures
+
+import android.content.ContentProviderClient
+import android.content.ContentValues
+import android.database.Cursor
+import android.os.RemoteException
+import androidx.core.content.contentValuesOf
+import fr.free.nrw.commons.bookmarks.models.Bookmark
+import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesContentProvider.Companion.BASE_URI
+import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesContentProvider.Companion.uriForName
+import fr.free.nrw.commons.bookmarks.pictures.BookmarksTable.ALL_FIELDS
+import fr.free.nrw.commons.bookmarks.pictures.BookmarksTable.COLUMN_CREATOR
+import fr.free.nrw.commons.bookmarks.pictures.BookmarksTable.COLUMN_MEDIA_NAME
+import fr.free.nrw.commons.utils.getString
+import javax.inject.Inject
+import javax.inject.Named
+import javax.inject.Provider
+import javax.inject.Singleton
+
+@Singleton
+class BookmarkPicturesDao @Inject constructor(
+    @param:Named("bookmarks") private val clientProvider: Provider<ContentProviderClient>
+) {
+    /**
+     * Find all persisted pictures bookmarks on database
+     *
+     * @return list of bookmarks
+     */
+    fun getAllBookmarks(): List<Bookmark> {
+        val items: MutableList<Bookmark> = mutableListOf()
+        var cursor: Cursor? = null
+        val db = clientProvider.get()
+        try {
+            cursor = db.query(
+                BASE_URI, ALL_FIELDS, null, arrayOf(), null
+            )
+            while (cursor != null && cursor.moveToNext()) {
+                items.add(fromCursor(cursor))
+            }
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            cursor?.close()
+            db.release()
+        }
+        return items
+    }
+
+    /**
+     * Look for a bookmark in database and in order to insert or delete it
+     *
+     * @param bookmark : Bookmark object
+     * @return boolean : is bookmark now fav ?
+     */
+    fun updateBookmark(bookmark: Bookmark): Boolean {
+        val bookmarkExists = findBookmark(bookmark)
+        if (bookmarkExists) {
+            deleteBookmark(bookmark)
+        } else {
+            addBookmark(bookmark)
+        }
+        return !bookmarkExists
+    }
+
+    /**
+     * Add a Bookmark to database
+     *
+     * @param bookmark : Bookmark to add
+     */
+    private fun addBookmark(bookmark: Bookmark) {
+        val db = clientProvider.get()
+        try {
+            db.insert(BASE_URI, toContentValues(bookmark))
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            db.release()
+        }
+    }
+
+    /**
+     * Delete a bookmark from database
+     *
+     * @param bookmark : Bookmark to delete
+     */
+    private fun deleteBookmark(bookmark: Bookmark) {
+        val db = clientProvider.get()
+        try {
+            if (bookmark.contentUri == null) {
+                throw RuntimeException("tried to delete item with no content URI")
+            } else {
+                db.delete(bookmark.contentUri!!, null, null)
+            }
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            db.release()
+        }
+    }
+
+    /**
+     * Find a bookmark from database based on its name
+     *
+     * @param bookmark : Bookmark to find
+     * @return boolean : is bookmark in database ?
+     */
+    fun findBookmark(bookmark: Bookmark?): Boolean {
+        if (bookmark == null) {
+            return false
+        }
+
+        var cursor: Cursor? = null
+        val db = clientProvider.get()
+        try {
+            cursor = db.query(
+                BASE_URI, ALL_FIELDS, "$COLUMN_MEDIA_NAME=?", arrayOf(bookmark.mediaName), null
+            )
+            if (cursor != null && cursor.moveToFirst()) {
+                return true
+            }
+        } catch (e: RemoteException) {
+            throw RuntimeException(e)
+        } finally {
+            cursor?.close()
+            db.release()
+        }
+        return false
+    }
+
+    fun fromCursor(cursor: Cursor): Bookmark {
+        var fileName = cursor.getString(COLUMN_MEDIA_NAME)
+        if (fileName == null) {
+            fileName = ""
+        }
+        return Bookmark(
+            fileName, cursor.getString(COLUMN_CREATOR), uriForName(fileName)
+        )
+    }
+
+    private fun toContentValues(bookmark: Bookmark): ContentValues = contentValuesOf(
+        COLUMN_MEDIA_NAME to bookmark.mediaName,
+        COLUMN_CREATOR to bookmark.mediaCreator
+    )
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesFragment.java

@@ -1,218 +0,0 @@
-package fr.free.nrw.commons.bookmarks.pictures;
-
-import static android.view.View.GONE;
-import static android.view.View.VISIBLE;
-
-import android.annotation.SuppressLint;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.ListAdapter;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import dagger.android.support.DaggerFragment;
-import fr.free.nrw.commons.Media;
-import fr.free.nrw.commons.R;
-import fr.free.nrw.commons.bookmarks.BookmarkListRootFragment;
-import fr.free.nrw.commons.category.GridViewAdapter;
-import fr.free.nrw.commons.databinding.FragmentBookmarksPicturesBinding;
-import fr.free.nrw.commons.utils.NetworkUtils;
-import fr.free.nrw.commons.utils.ViewUtil;
-import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.disposables.CompositeDisposable;
-import io.reactivex.schedulers.Schedulers;
-import java.util.List;
-import javax.inject.Inject;
-import timber.log.Timber;
-
-public class BookmarkPicturesFragment extends DaggerFragment {
-
-    private GridViewAdapter gridAdapter;
-    private CompositeDisposable compositeDisposable = new CompositeDisposable();
-
-    private FragmentBookmarksPicturesBinding binding;
-    @Inject
-    BookmarkPicturesController controller;
-
-    /**
-     * Create an instance of the fragment with the right bundle parameters
-     * @return an instance of the fragment
-     */
-    public static BookmarkPicturesFragment newInstance() {
-        return new BookmarkPicturesFragment();
-    }
-
-    @Override
-    public View onCreateView(
-            @NonNull LayoutInflater inflater,
-            ViewGroup container,
-            Bundle savedInstanceState
-    ) {
-        binding = FragmentBookmarksPicturesBinding.inflate(inflater, container, false);
-        return binding.getRoot();
-    }
-
-    @Override
-    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-        binding.bookmarkedPicturesList.setOnItemClickListener((AdapterView.OnItemClickListener) getParentFragment());
-        initList();
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-        controller.stop();
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        compositeDisposable.clear();
-        binding = null;
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        if (controller.needRefreshBookmarkedPictures()) {
-            binding.bookmarkedPicturesList.setVisibility(GONE);
-            if (gridAdapter != null) {
-                gridAdapter.clear();
-                ((BookmarkListRootFragment)getParentFragment()).viewPagerNotifyDataSetChanged();
-            }
-            initList();
-        }
-    }
-
-    /**
-     * Checks for internet connection and then initializes
-     * the recycler view with bookmarked pictures
-     */
-    @SuppressLint("CheckResult")
-    private void initList() {
-        if (!NetworkUtils.isInternetConnectionEstablished(getContext())) {
-            handleNoInternet();
-            return;
-        }
-
-        binding.loadingImagesProgressBar.setVisibility(VISIBLE);
-        binding.statusMessage.setVisibility(GONE);
-
-        compositeDisposable.add(controller.loadBookmarkedPictures()
-                .subscribeOn(Schedulers.io())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(this::handleSuccess, this::handleError));
-    }
-
-    /**
-     * Handles the UI updates for no internet scenario
-     */
-    private void handleNoInternet() {
-        binding.loadingImagesProgressBar.setVisibility(GONE);
-        if (gridAdapter == null || gridAdapter.isEmpty()) {
-            binding.statusMessage.setVisibility(VISIBLE);
-            binding.statusMessage.setText(getString(R.string.no_internet));
-        } else {
-            ViewUtil.showShortSnackbar(binding.parentLayout, R.string.no_internet);
-        }
-    }
-
-    /**
-     * Logs and handles API error scenario
-     * @param throwable
-     */
-    private void handleError(Throwable throwable) {
-        Timber.e(throwable, "Error occurred while loading images inside a category");
-        try{
-            ViewUtil.showShortSnackbar(binding.getRoot(), R.string.error_loading_images);
-            initErrorView();
-        }catch (Exception e){
-            e.printStackTrace();
-        }
-    }
-
-    /**
-     * Handles the UI updates for a error scenario
-     */
-    private void initErrorView() {
-        binding.loadingImagesProgressBar.setVisibility(GONE);
-        if (gridAdapter == null || gridAdapter.isEmpty()) {
-            binding.statusMessage.setVisibility(VISIBLE);
-            binding.statusMessage.setText(getString(R.string.no_images_found));
-        } else {
-            binding.statusMessage.setVisibility(GONE);
-        }
-    }
-
-    /**
-     * Handles the UI updates when there is no bookmarks
-     */
-    private void initEmptyBookmarkListView() {
-        binding.loadingImagesProgressBar.setVisibility(GONE);
-        if (gridAdapter == null || gridAdapter.isEmpty()) {
-            binding.statusMessage.setVisibility(VISIBLE);
-            binding.statusMessage.setText(getString(R.string.bookmark_empty));
-        } else {
-            binding.statusMessage.setVisibility(GONE);
-        }
-    }
-
-    /**
-     * Handles the success scenario
-     * On first load, it initializes the grid view. On subsequent loads, it adds items to the adapter
-     * @param collection List of new Media to be displayed
-     */
-    private void handleSuccess(List<Media> collection) {
-        if (collection == null) {
-            initErrorView();
-            return;
-        }
-        if (collection.isEmpty()) {
-            initEmptyBookmarkListView();
-            return;
-        }
-
-        if (gridAdapter == null) {
-            setAdapter(collection);
-        } else {
-            if (gridAdapter.containsAll(collection)) {
-                binding.loadingImagesProgressBar.setVisibility(GONE);
-                binding.statusMessage.setVisibility(GONE);
-                binding.bookmarkedPicturesList.setVisibility(VISIBLE);
-                binding.bookmarkedPicturesList.setAdapter(gridAdapter);
-                return;
-            }
-            gridAdapter.addItems(collection);
-            ((BookmarkListRootFragment) getParentFragment()).viewPagerNotifyDataSetChanged();
-        }
-        binding.loadingImagesProgressBar.setVisibility(GONE);
-        binding.statusMessage.setVisibility(GONE);
-        binding.bookmarkedPicturesList.setVisibility(VISIBLE);
-    }
-
-    /**
-     * Initializes the adapter with a list of Media objects
-     * @param mediaList List of new Media to be displayed
-     */
-    private void setAdapter(List<Media> mediaList) {
-        gridAdapter = new GridViewAdapter(
-                this.getContext(),
-                R.layout.layout_category_images,
-                mediaList
-        );
-        binding.bookmarkedPicturesList.setAdapter(gridAdapter);
-    }
-
-    /**
-     * It return an instance of gridView adapter which helps in extracting media details
-     * used by the gridView
-     * @return  GridView Adapter
-     */
-    public ListAdapter getAdapter() {
-        return binding.bookmarkedPicturesList.getAdapter();
-    }
-
-}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarkPicturesFragment.kt

@@ -0,0 +1,201 @@
+package fr.free.nrw.commons.bookmarks.pictures
+
+import android.annotation.SuppressLint
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView.OnItemClickListener
+import android.widget.ListAdapter
+import dagger.android.support.DaggerFragment
+import fr.free.nrw.commons.Media
+import fr.free.nrw.commons.R
+import fr.free.nrw.commons.bookmarks.BookmarkListRootFragment
+import fr.free.nrw.commons.category.GridViewAdapter
+import fr.free.nrw.commons.databinding.FragmentBookmarksPicturesBinding
+import fr.free.nrw.commons.utils.NetworkUtils.isInternetConnectionEstablished
+import fr.free.nrw.commons.utils.ViewUtil.showShortSnackbar
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.disposables.CompositeDisposable
+import io.reactivex.functions.Consumer
+import io.reactivex.schedulers.Schedulers
+import timber.log.Timber
+import javax.inject.Inject
+
+class BookmarkPicturesFragment : DaggerFragment() {
+    private var gridAdapter: GridViewAdapter? = null
+    private val compositeDisposable = CompositeDisposable()
+
+    private var binding: FragmentBookmarksPicturesBinding? = null
+
+    @JvmField
+    @Inject
+    var controller: BookmarkPicturesController? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentBookmarksPicturesBinding.inflate(inflater, container, false)
+        return binding!!.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding!!.bookmarkedPicturesList.onItemClickListener =
+            parentFragment as OnItemClickListener?
+        initList()
+    }
+
+    override fun onStop() {
+        super.onStop()
+        controller!!.stop()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        compositeDisposable.clear()
+        binding = null
+    }
+
+    override fun onResume() {
+        super.onResume()
+        if (controller!!.needRefreshBookmarkedPictures()) {
+            binding!!.bookmarkedPicturesList.visibility = View.GONE
+            gridAdapter?.let {
+                it.clear()
+                (parentFragment as BookmarkListRootFragment).viewPagerNotifyDataSetChanged()
+            }
+            initList()
+        }
+    }
+
+    /**
+     * Checks for internet connection and then initializes
+     * the recycler view with bookmarked pictures
+     */
+    @SuppressLint("CheckResult")
+    private fun initList() {
+        if (!isInternetConnectionEstablished(context)) {
+            handleNoInternet()
+            return
+        }
+
+        binding!!.loadingImagesProgressBar.visibility = View.VISIBLE
+        binding!!.statusMessage.visibility = View.GONE
+
+        compositeDisposable.add(
+            controller!!.loadBookmarkedPictures()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(::handleSuccess, ::handleError)
+        )
+    }
+
+    /**
+     * Handles the UI updates for no internet scenario
+     */
+    private fun handleNoInternet() {
+        binding!!.loadingImagesProgressBar.visibility = View.GONE
+        if (gridAdapter == null || gridAdapter!!.isEmpty) {
+            binding!!.statusMessage.visibility = View.VISIBLE
+            binding!!.statusMessage.text = getString(R.string.no_internet)
+        } else {
+            showShortSnackbar(binding!!.parentLayout, R.string.no_internet)
+        }
+    }
+
+    /**
+     * Logs and handles API error scenario
+     * @param throwable
+     */
+    private fun handleError(throwable: Throwable) {
+        Timber.e(throwable, "Error occurred while loading images inside a category")
+        try {
+            showShortSnackbar(binding!!.root, R.string.error_loading_images)
+            initErrorView()
+        } catch (e: Exception) {
+            Timber.e(e)
+        }
+    }
+
+    /**
+     * Handles the UI updates for a error scenario
+     */
+    private fun initErrorView() {
+        binding!!.loadingImagesProgressBar.visibility = View.GONE
+        if (gridAdapter == null || gridAdapter!!.isEmpty) {
+            binding!!.statusMessage.visibility = View.VISIBLE
+            binding!!.statusMessage.text = getString(R.string.no_images_found)
+        } else {
+            binding!!.statusMessage.visibility = View.GONE
+        }
+    }
+
+    /**
+     * Handles the UI updates when there is no bookmarks
+     */
+    private fun initEmptyBookmarkListView() {
+        binding!!.loadingImagesProgressBar.visibility = View.GONE
+        if (gridAdapter == null || gridAdapter!!.isEmpty) {
+            binding!!.statusMessage.visibility = View.VISIBLE
+            binding!!.statusMessage.text = getString(R.string.bookmark_empty)
+        } else {
+            binding!!.statusMessage.visibility = View.GONE
+        }
+    }
+
+    /**
+     * Handles the success scenario
+     * On first load, it initializes the grid view. On subsequent loads, it adds items to the adapter
+     * @param collection List of new Media to be displayed
+     */
+    private fun handleSuccess(collection: List<Media>?) {
+        if (collection == null) {
+            initErrorView()
+            return
+        }
+        if (collection.isEmpty()) {
+            initEmptyBookmarkListView()
+            return
+        }
+
+        if (gridAdapter == null) {
+            setAdapter(collection)
+        } else {
+            if (gridAdapter!!.containsAll(collection)) {
+                binding!!.loadingImagesProgressBar.visibility = View.GONE
+                binding!!.statusMessage.visibility = View.GONE
+                binding!!.bookmarkedPicturesList.visibility = View.VISIBLE
+                binding!!.bookmarkedPicturesList.adapter = gridAdapter
+                return
+            }
+            gridAdapter!!.addItems(collection)
+            (parentFragment as BookmarkListRootFragment).viewPagerNotifyDataSetChanged()
+        }
+        binding!!.loadingImagesProgressBar.visibility = View.GONE
+        binding!!.statusMessage.visibility = View.GONE
+        binding!!.bookmarkedPicturesList.visibility = View.VISIBLE
+    }
+
+    /**
+     * Initializes the adapter with a list of Media objects
+     * @param mediaList List of new Media to be displayed
+     */
+    private fun setAdapter(mediaList: List<Media>) {
+        gridAdapter = GridViewAdapter(
+            requireContext(),
+            R.layout.layout_category_images,
+            mediaList.toMutableList()
+        )
+        binding?.let {  it.bookmarkedPicturesList.adapter = gridAdapter }
+    }
+
+    /**
+     * It return an instance of gridView adapter which helps in extracting media details
+     * used by the gridView
+     * @return  GridView Adapter
+     */
+    fun getAdapter(): ListAdapter? = binding?.bookmarkedPicturesList?.adapter
+}

app/src/main/java/fr/free/nrw/commons/bookmarks/pictures/BookmarksTable.kt

@@ -0,0 +1,54 @@
+package fr.free.nrw.commons.bookmarks.pictures
+
+import android.database.sqlite.SQLiteDatabase
+
+object BookmarksTable {
+    const val TABLE_NAME: String = "bookmarks"
+    const val COLUMN_MEDIA_NAME: String = "media_name"
+    const val COLUMN_CREATOR: String = "media_creator"
+
+    // NOTE! KEEP IN SAME ORDER AS THEY ARE DEFINED UP THERE. HELPS HARD CODE COLUMN INDICES.
+    val ALL_FIELDS = arrayOf(
+        COLUMN_MEDIA_NAME,
+        COLUMN_CREATOR
+    )
+
+    const val DROP_TABLE_STATEMENT: String = "DROP TABLE IF EXISTS $TABLE_NAME"
+
+    const val CREATE_TABLE_STATEMENT: String = ("CREATE TABLE $TABLE_NAME (" +
+            "$COLUMN_MEDIA_NAME STRING PRIMARY KEY, " +
+            "$COLUMN_CREATOR STRING" +
+            ");")
+
+    fun onCreate(db: SQLiteDatabase) =
+        db.execSQL(CREATE_TABLE_STATEMENT)
+
+    fun onDelete(db: SQLiteDatabase) {
+        db.execSQL(DROP_TABLE_STATEMENT)
+        onCreate(db)
+    }
+
+    fun onUpdate(db: SQLiteDatabase, from: Int, to: Int) {
+        if (from == to) {
+            return
+        }
+
+        if (from < 7) {
+            // doesn't exist yet
+            onUpdate(db, from+1, to)
+            return
+        }
+
+        if (from == 7) {
+            // table added in version 8
+            onCreate(db)
+            onUpdate(db, from+1, to)
+            return
+        }
+
+        if (from == 8) {
+            onUpdate(db, from+1, to)
+            return
+        }
+    }
+}

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignConfig.kt

@@ -7,8 +7,8 @@ import com.google.gson.annotations.SerializedName
  */
 class CampaignConfig {
     @SerializedName("showOnlyLiveCampaigns")
-    private val showOnlyLiveCampaigns = false
+    var showOnlyLiveCampaigns = false
 
     @SerializedName("sortBy")
-    private val sortBy: String? = null
-}
+    var sortBy: String? = null
+}

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignResponseDTO.kt

@@ -8,8 +8,8 @@ import fr.free.nrw.commons.campaigns.models.Campaign
  */
 class CampaignResponseDTO {
     @SerializedName("config")
-    val campaignConfig: CampaignConfig? = null
+    var campaignConfig: CampaignConfig? = null
 
     @SerializedName("campaigns")
-    val campaigns: List<Campaign>? = null
-}
+    var campaigns: List<Campaign>? = null
+}

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignView.kt

@@ -7,7 +7,6 @@ import android.view.LayoutInflater
 import android.view.View
 import androidx.core.content.ContextCompat
 import fr.free.nrw.commons.R
-import fr.free.nrw.commons.Utils
 import fr.free.nrw.commons.campaigns.models.Campaign
 import fr.free.nrw.commons.contributions.MainActivity
 import fr.free.nrw.commons.databinding.LayoutCampaginBinding
@@ -16,6 +15,7 @@ import fr.free.nrw.commons.utils.CommonsDateUtil.getIso8601DateFormatShort
 import fr.free.nrw.commons.utils.DateUtil.getExtraShortDateString
 import fr.free.nrw.commons.utils.SwipableCardView
 import fr.free.nrw.commons.utils.ViewUtil.showLongToast
+import fr.free.nrw.commons.utils.handleWebUrl
 import timber.log.Timber
 import java.text.ParseException
 
@@ -74,7 +74,7 @@ class CampaignView : SwipableCardView {
                 if (it.isWLMCampaign) {
                     ((context) as MainActivity).showNearby()
                 } else {
-                    Utils.handleWebUrl(context, Uri.parse(it.link))
+                    handleWebUrl(context, Uri.parse(it.link))
                 }
             }
         }

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignsPresenter.kt

@@ -26,7 +26,7 @@ class CampaignsPresenter @Inject constructor(
     private val okHttpJsonApiClient: OkHttpJsonApiClient?,
     @param:Named(IO_THREAD) private val ioScheduler: Scheduler,
     @param:Named(MAIN_THREAD) private val mainThreadScheduler: Scheduler
-) : BasePresenter<ICampaignsView?> {
+) : BasePresenter<ICampaignsView> {
     private var view: ICampaignsView? = null
     private var disposable: Disposable? = null
     private var campaign: Campaign? = null

app/src/main/java/fr/free/nrw/commons/campaigns/ICampaignsView.kt

@@ -1,11 +1,10 @@
 package fr.free.nrw.commons.campaigns
 
-import fr.free.nrw.commons.MvpView
 import fr.free.nrw.commons.campaigns.models.Campaign
 
 /**
  * Interface which defines the view contracts of the campaign view
  */
-interface ICampaignsView : MvpView {
+interface ICampaignsView {
     fun showCampaigns(campaign: Campaign?)
 }

app/src/main/java/fr/free/nrw/commons/category/CategoryContentProvider.kt

@@ -9,12 +9,9 @@ import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteQueryBuilder
 import android.net.Uri
 import android.text.TextUtils
-import androidx.annotation.NonNull
 import fr.free.nrw.commons.BuildConfig
-import fr.free.nrw.commons.data.DBOpenHelper
 import fr.free.nrw.commons.di.CommonsDaggerContentProvider
-import timber.log.Timber
-import javax.inject.Inject
+import androidx.core.net.toUri
 
 class CategoryContentProvider : CommonsDaggerContentProvider() {
 
@@ -23,9 +20,6 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
         addURI(BuildConfig.CATEGORY_AUTHORITY, "${BASE_PATH}/#", CATEGORIES_ID)
     }
 
-    @Inject
-    lateinit var dbOpenHelper: DBOpenHelper
-
     @SuppressWarnings("ConstantConditions")
     override fun query(uri: Uri, projection: Array<String>?, selection: String?,
                        selectionArgs: Array<String>?, sortOrder: String?): Cursor? {
@@ -34,7 +28,7 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
         }
 
         val uriType = uriMatcher.match(uri)
-        val db = dbOpenHelper.readableDatabase
+        val db = requireDb()
 
         val cursor: Cursor? = when (uriType) {
             CATEGORIES -> queryBuilder.query(
@@ -58,45 +52,37 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
             else -> throw IllegalArgumentException("Unknown URI $uri")
         }
 
-        cursor?.setNotificationUri(context?.contentResolver, uri)
+        cursor?.setNotificationUri(requireContext().contentResolver, uri)
         return cursor
     }
 
-    override fun getType(uri: Uri): String? {
-        return null
-    }
+    override fun getType(uri: Uri): String? = null
 
     @SuppressWarnings("ConstantConditions")
-    override fun insert(uri: Uri, contentValues: ContentValues?): Uri? {
+    override fun insert(uri: Uri, contentValues: ContentValues?): Uri {
         val uriType = uriMatcher.match(uri)
-        val sqlDB = dbOpenHelper.writableDatabase
         val id: Long
         when (uriType) {
             CATEGORIES -> {
-                id = sqlDB.insert(TABLE_NAME, null, contentValues)
+                id = requireDb().insert(TABLE_NAME, null, contentValues)
             }
             else -> throw IllegalArgumentException("Unknown URI: $uri")
         }
-        context?.contentResolver?.notifyChange(uri, null)
-        return Uri.parse("${Companion.BASE_URI}/$id")
+        requireContext().contentResolver?.notifyChange(uri, null)
+        return "${BASE_URI}/$id".toUri()
     }
 
     @SuppressWarnings("ConstantConditions")
-    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<String>?): Int {
-        // Not implemented
-        return 0
-    }
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<String>?): Int = 0
 
     @SuppressWarnings("ConstantConditions")
     override fun bulkInsert(uri: Uri, values: Array<ContentValues>): Int {
-        Timber.d("Hello, bulk insert! (CategoryContentProvider)")
         val uriType = uriMatcher.match(uri)
-        val sqlDB = dbOpenHelper.writableDatabase
+        val sqlDB = requireDb()
         sqlDB.beginTransaction()
         when (uriType) {
             CATEGORIES -> {
                 for (value in values) {
-                    Timber.d("Inserting! %s", value)
                     sqlDB.insert(TABLE_NAME, null, value)
                 }
                 sqlDB.setTransactionSuccessful()
@@ -104,7 +90,7 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
             else -> throw IllegalArgumentException("Unknown URI: $uri")
         }
         sqlDB.endTransaction()
-        context?.contentResolver?.notifyChange(uri, null)
+        requireContext().contentResolver?.notifyChange(uri, null)
         return values.size
     }
 
@@ -112,17 +98,18 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
     override fun update(uri: Uri, contentValues: ContentValues?, selection: String?,
                         selectionArgs: Array<String>?): Int {
         val uriType = uriMatcher.match(uri)
-        val sqlDB = dbOpenHelper.writableDatabase
         val rowsUpdated: Int
         when (uriType) {
             CATEGORIES_ID -> {
                 if (TextUtils.isEmpty(selection)) {
                     val id = uri.lastPathSegment?.toInt()
                         ?: throw IllegalArgumentException("Invalid ID")
-                    rowsUpdated = sqlDB.update(TABLE_NAME,
+                    rowsUpdated = requireDb().update(
+                        TABLE_NAME,
                         contentValues,
                         "$COLUMN_ID = ?",
-                        arrayOf(id.toString()))
+                        arrayOf(id.toString())
+                    )
                 } else {
                     throw IllegalArgumentException(
                         "Parameter `selection` should be empty when updating an ID")
@@ -130,7 +117,7 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
             }
             else -> throw IllegalArgumentException("Unknown URI: $uri with type $uriType")
         }
-        context?.contentResolver?.notifyChange(uri, null)
+        requireContext().contentResolver?.notifyChange(uri, null)
         return rowsUpdated
     }
 
@@ -165,13 +152,9 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
                 "$COLUMN_TIMES_USED INTEGER" +
                 ");"
 
-        fun uriForId(id: Int): Uri {
-            return Uri.parse("${BASE_URI}/$id")
-        }
+        fun uriForId(id: Int): Uri = Uri.parse("${BASE_URI}/$id")
 
-        fun onCreate(db: SQLiteDatabase) {
-            db.execSQL(CREATE_TABLE_STATEMENT)
-        }
+        fun onCreate(db: SQLiteDatabase) = db.execSQL(CREATE_TABLE_STATEMENT)
 
         fun onDelete(db: SQLiteDatabase) {
             db.execSQL(DROP_TABLE_STATEMENT)
@@ -200,6 +183,6 @@ class CategoryContentProvider : CommonsDaggerContentProvider() {
         private const val CATEGORIES = 1
         private const val CATEGORIES_ID = 2
         private const val BASE_PATH = "categories"
-        val  BASE_URI: Uri = Uri.parse("content://${BuildConfig.CATEGORY_AUTHORITY}/${Companion.BASE_PATH}")
+        val  BASE_URI: Uri = "content://${BuildConfig.CATEGORY_AUTHORITY}/${BASE_PATH}".toUri()
     }
 }

app/src/main/java/fr/free/nrw/commons/category/CategoryDetailsActivity.kt

@@ -8,21 +8,25 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import androidx.activity.viewModels
-import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
+import fr.free.nrw.commons.BuildConfig.COMMONS_URL
 import fr.free.nrw.commons.Media
 import fr.free.nrw.commons.R
-import fr.free.nrw.commons.Utils
 import fr.free.nrw.commons.ViewPagerAdapter
 import fr.free.nrw.commons.databinding.ActivityCategoryDetailsBinding
 import fr.free.nrw.commons.explore.categories.media.CategoriesMediaFragment
 import fr.free.nrw.commons.explore.categories.parent.ParentCategoriesFragment
 import fr.free.nrw.commons.explore.categories.sub.SubCategoriesFragment
 import fr.free.nrw.commons.media.MediaDetailPagerFragment
+import fr.free.nrw.commons.media.MediaDetailProvider
 import fr.free.nrw.commons.theme.BaseActivity
+import fr.free.nrw.commons.utils.applyEdgeToEdgeAllInsets
+import fr.free.nrw.commons.utils.handleWebUrl
+import fr.free.nrw.commons.wikidata.model.WikiSite
+import fr.free.nrw.commons.wikidata.model.page.PageTitle
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
@@ -33,7 +37,7 @@ import javax.inject.Inject
  * a particular category on wikimedia commons.
  */
 class CategoryDetailsActivity : BaseActivity(),
-    MediaDetailPagerFragment.MediaDetailProvider,
+    MediaDetailProvider,
     CategoryImagesCallback {
 
     private lateinit var supportFragmentManager: FragmentManager
@@ -54,9 +58,10 @@ class CategoryDetailsActivity : BaseActivity(),
 
         binding = ActivityCategoryDetailsBinding.inflate(layoutInflater)
         val view = binding.root
+        applyEdgeToEdgeAllInsets(view)
         setContentView(view)
         supportFragmentManager = getSupportFragmentManager()
-        viewPagerAdapter = ViewPagerAdapter(supportFragmentManager)
+        viewPagerAdapter = ViewPagerAdapter(this, supportFragmentManager)
         binding.viewPager.adapter = viewPagerAdapter
         binding.viewPager.offscreenPageLimit = 2
         binding.tabLayout.setupWithViewPager(binding.viewPager)
@@ -80,8 +85,6 @@ class CategoryDetailsActivity : BaseActivity(),
      * Set the fragments according to the tab selected in the viewPager.
      */
     private fun setTabs() {
-        val fragmentList = mutableListOf<Fragment>()
-        val titleList = mutableListOf<String>()
         categoriesMediaFragment = CategoriesMediaFragment()
         val subCategoryListFragment = SubCategoriesFragment()
         val parentCategoriesFragment = ParentCategoriesFragment()
@@ -96,13 +99,12 @@ class CategoryDetailsActivity : BaseActivity(),
 
             viewModel.onCheckIfBookmarked(categoryName!!)
         }
-        fragmentList.add(categoriesMediaFragment)
-        titleList.add("MEDIA")
-        fragmentList.add(subCategoryListFragment)
-        titleList.add("SUBCATEGORIES")
-        fragmentList.add(parentCategoriesFragment)
-        titleList.add("PARENT CATEGORIES")
-        viewPagerAdapter.setTabData(fragmentList, titleList)
+
+        viewPagerAdapter.setTabs(
+            R.string.title_for_media to categoriesMediaFragment,
+            R.string.title_for_subcategories to subCategoryListFragment,
+            R.string.title_for_parent_categories to parentCategoriesFragment
+        )
         viewPagerAdapter.notifyDataSetChanged()
     }
 
@@ -199,8 +201,9 @@ class CategoryDetailsActivity : BaseActivity(),
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         return when (item.itemId) {
             R.id.menu_browser_current_category -> {
-                val title = Utils.getPageTitle(CATEGORY_PREFIX + categoryName)
-                Utils.handleWebUrl(this, Uri.parse(title.canonicalUri))
+                val title = PageTitle(CATEGORY_PREFIX + categoryName, WikiSite(COMMONS_URL))
+
+                handleWebUrl(this, Uri.parse(title.canonicalUri))
                 true
             }
 

app/src/main/java/fr/free/nrw/commons/concurrency/ExceptionAwareThreadPoolExecutor.kt

@@ -22,9 +22,9 @@ class ExceptionAwareThreadPoolExecutor(
                 if (r.isDone) {
                     r.get()
                 }
-            } catch (e: CancellationException) {
+            } catch (_: CancellationException) {
                 // ignore
-            } catch (e: InterruptedException) {
+            } catch (_: InterruptedException) {
                 // ignore
             } catch (e: ExecutionException) {
                 throwable = e.cause ?: e

app/src/main/java/fr/free/nrw/commons/contributions/ContributionController.kt

@@ -180,8 +180,8 @@ class ContributionController @Inject constructor(@param:Named("default_preferenc
         showAlertDialog(
             activity, activity.getString(R.string.location_permission_title),
             activity.getString(R.string.in_app_camera_location_permission_rationale),
-            activity.getString(android.R.string.ok),
-            activity.getString(android.R.string.cancel),
+            activity.getString(R.string.ok),
+            activity.getString(R.string.cancel),
             {
                 createDialogsAndHandleLocationPermissions(
                     activity,
@@ -253,13 +253,14 @@ class ContributionController @Inject constructor(@param:Named("default_preferenc
      */
     fun initiateCustomGalleryPickWithPermission(
         activity: Activity,
-        resultLauncher: ActivityResultLauncher<Intent>
+        resultLauncher: ActivityResultLauncher<Intent>,
+        singleSelection: Boolean = false
     ) {
         setPickerConfiguration(activity, true)
 
         checkPermissionsAndPerformAction(
             activity,
-            { openCustomSelector(activity, resultLauncher, 0) },
+            { FilePicker.openCustomSelector(activity, resultLauncher, 0, singleSelection) },
             R.string.storage_permission_title,
             R.string.write_storage_permission_rationale,
             *PERMISSIONS_STORAGE

app/src/main/java/fr/free/nrw/commons/contributions/ContributionViewHolder.kt

@@ -8,23 +8,29 @@ import androidx.appcompat.app.AlertDialog
 import androidx.recyclerview.widget.RecyclerView
 import com.facebook.imagepipeline.request.ImageRequest
 import com.facebook.imagepipeline.request.ImageRequestBuilder
+import fr.free.nrw.commons.Media
+import fr.free.nrw.commons.utils.MediaAttributionUtil
+import fr.free.nrw.commons.MediaDataExtractor
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.databinding.LayoutContributionBinding
 import fr.free.nrw.commons.media.MediaClient
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.schedulers.Schedulers
+import timber.log.Timber
 import java.io.File
 
 class ContributionViewHolder internal constructor(
-    private val parent: View, private val callback: ContributionsListAdapter.Callback,
-    private val mediaClient: MediaClient
+    parent: View,
+    private val callback: ContributionsListAdapter.Callback,
+    private val compositeDisposable: CompositeDisposable,
+    private val mediaClient: MediaClient,
+    private val mediaDataExtractor: MediaDataExtractor
 ) : RecyclerView.ViewHolder(parent) {
     var binding: LayoutContributionBinding = LayoutContributionBinding.bind(parent)
 
     private var position = 0
     private var contribution: Contribution? = null
-    private val compositeDisposable = CompositeDisposable()
     private var isWikipediaButtonDisplayed = false
     private val pausingPopUp: AlertDialog
     var imageRequest: ImageRequest? = null
@@ -54,7 +60,7 @@ an upload might take a dozen seconds. */
         this.contribution = contribution
         this.position = position
         binding.contributionTitle.text = contribution.media.mostRelevantCaption
-        binding.authorView.text = contribution.media.getAuthorOrUser()
+        setAuthorText(contribution.media)
 
         //Removes flicker of loading image.
         binding.contributionImage.hierarchy.fadeDuration = 0
@@ -93,6 +99,30 @@ an upload might take a dozen seconds. */
         checkIfMediaExistsOnWikipediaPage(contribution)
     }
 
+    fun updateAttribution() {
+        if (contribution != null) {
+            val media = contribution!!.media
+            if (!media.getAttributedAuthor().isNullOrEmpty()) {
+                return
+            }
+            compositeDisposable.addAll(
+                mediaDataExtractor.fetchCreatorIdsAndLabels(media)
+                    .subscribeOn(Schedulers.io())
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe(
+                        { idAndLabels ->
+                            media.creatorName = MediaAttributionUtil.getCreatorName(idAndLabels)
+                            setAuthorText(media)
+                        },
+                        { t: Throwable? -> Timber.e(t) })
+            )
+        }
+    }
+
+    private fun setAuthorText(media: Media) {
+        binding.authorView.text = MediaAttributionUtil.getTagLine(media, itemView.context)
+    }
+
     /**
      * Checks if a media exists on the corresponding Wikipedia article Currently the check is made
      * for the device's current language Wikipedia

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsContract.kt

@@ -9,7 +9,6 @@ import fr.free.nrw.commons.BasePresenter
 interface ContributionsContract {
 
     interface View {
-        fun showMessage(localizedMessage: String)
         fun getContext(): Context?
     }
 

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsFragment.kt

@@ -30,7 +30,6 @@ import androidx.work.WorkManager
 import fr.free.nrw.commons.MapController.NearbyPlacesInfo
 import fr.free.nrw.commons.Media
 import fr.free.nrw.commons.R
-import fr.free.nrw.commons.Utils
 import fr.free.nrw.commons.auth.SessionManager
 import fr.free.nrw.commons.campaigns.CampaignView
 import fr.free.nrw.commons.campaigns.CampaignsPresenter
@@ -44,7 +43,7 @@ import fr.free.nrw.commons.location.LatLng
 import fr.free.nrw.commons.location.LocationServiceManager
 import fr.free.nrw.commons.location.LocationUpdateListener
 import fr.free.nrw.commons.media.MediaDetailPagerFragment
-import fr.free.nrw.commons.media.MediaDetailPagerFragment.MediaDetailProvider
+import fr.free.nrw.commons.media.MediaDetailProvider
 import fr.free.nrw.commons.mwapi.OkHttpJsonApiClient
 import fr.free.nrw.commons.nearby.NearbyController
 import fr.free.nrw.commons.nearby.NearbyNotificationCardView
@@ -64,13 +63,15 @@ import fr.free.nrw.commons.utils.LengthUtils.formatDistanceBetween
 import fr.free.nrw.commons.utils.NetworkUtils.isInternetConnectionEstablished
 import fr.free.nrw.commons.utils.PermissionUtils.hasPermission
 import fr.free.nrw.commons.utils.ViewUtil.showLongToast
+import fr.free.nrw.commons.utils.isMonumentsEnabled
+import fr.free.nrw.commons.utils.wLMEndDate
+import fr.free.nrw.commons.utils.wLMStartDate
 import io.reactivex.Observable
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.schedulers.Schedulers
 import timber.log.Timber
 import java.util.Calendar
-import java.util.Date
 import javax.inject.Inject
 import javax.inject.Named
 
@@ -139,7 +140,7 @@ class ContributionsFragment : CommonsDaggerSupportFragment(), FragmentManager.On
 
     private var wlmCampaign: Campaign? = null
 
-    var userName: String? = null
+    private var userName: String? = null
     private var isUserProfile = false
 
     private var mSensorManager: SensorManager? = null
@@ -242,8 +243,8 @@ class ContributionsFragment : CommonsDaggerSupportFragment(), FragmentManager.On
     private fun initWLMCampaign() {
         wlmCampaign = Campaign(
             getString(R.string.wlm_campaign_title),
-            getString(R.string.wlm_campaign_description), Utils.getWLMStartDate().toString(),
-            Utils.getWLMEndDate().toString(), NearbyParentFragment.WLM_URL, true
+            getString(R.string.wlm_campaign_description), wLMStartDate,
+            wLMEndDate, NearbyParentFragment.WLM_URL, true
         )
     }
 
@@ -729,7 +730,7 @@ class ContributionsFragment : CommonsDaggerSupportFragment(), FragmentManager.On
      * of campaigns on the campaigns card
      */
     private fun fetchCampaigns() {
-        if (Utils.isMonumentsEnabled(Date())) {
+        if (isMonumentsEnabled) {
             if (binding != null) {
                 binding!!.campaignsView.setCampaign(wlmCampaign)
                 binding!!.campaignsView.visibility = View.VISIBLE
@@ -743,10 +744,6 @@ class ContributionsFragment : CommonsDaggerSupportFragment(), FragmentManager.On
         }
     }
 
-    override fun showMessage(message: String) {
-        Toast.makeText(context, message, Toast.LENGTH_SHORT).show()
-    }
-
     override fun showCampaigns(campaign: Campaign?) {
         if (campaign != null && !isUserProfile) {
             if (binding != null) {
@@ -808,10 +805,11 @@ class ContributionsFragment : CommonsDaggerSupportFragment(), FragmentManager.On
         }
     }
 
-    /**
-     * Temporarily disabled, see issue [https://github.com/commons-app/apps-android-commons/issues/5847]
-     * @param count The number of pending uploads.
-     */
+    // /**
+    //  * Temporarily disabled. See issue [#5847](https://github.com/commons-app/apps-android-commons/issues/5847)
+    //  * @param count The number of pending uploads.
+    //  */
+    // public void updateUploadIcon(int count) {
     //    public void updateUploadIcon(int count) {
     //        if (pendingUploadsImageView != null) {
     //            if (count != 0) {

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsListAdapter.kt

@@ -4,21 +4,26 @@ import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.paging.PagedListAdapter
 import androidx.recyclerview.widget.DiffUtil
+import fr.free.nrw.commons.MediaDataExtractor
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.media.MediaClient
+import io.reactivex.disposables.CompositeDisposable
 
 /**
  * Represents The View Adapter for the List of Contributions
  */
 class ContributionsListAdapter internal constructor(
     private val callback: Callback,
-    private val mediaClient: MediaClient
+    private val mediaClient: MediaClient,
+    private val mediaDataExtractor: MediaDataExtractor,
+    private val compositeDisposable: CompositeDisposable
 ) : PagedListAdapter<Contribution, ContributionViewHolder>(DIFF_CALLBACK) {
     /**
      * Initializes the view holder with contribution data
      */
     override fun onBindViewHolder(holder: ContributionViewHolder, position: Int) {
         holder.init(position, getItem(position))
+        holder.updateAttribution()
     }
 
     fun getContributionForPosition(position: Int): Contribution? {
@@ -36,7 +41,7 @@ class ContributionsListAdapter internal constructor(
         val viewHolder = ContributionViewHolder(
             LayoutInflater.from(parent.context)
                 .inflate(R.layout.layout_contribution, parent, false),
-            callback, mediaClient
+            callback, compositeDisposable, mediaClient, mediaDataExtractor
         )
         return viewHolder
     }

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsListContract.kt

@@ -15,7 +15,7 @@ class ContributionsListContract {
         fun showNoContributionsUI(shouldShow: Boolean)
     }
 
-    interface UserActionListener : BasePresenter<View?> {
+    interface UserActionListener : BasePresenter<View> {
         fun refreshList(swipeRefreshLayout: SwipeRefreshLayout?)
     }
 }

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsListFragment.kt

@@ -5,7 +5,6 @@ import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.content.res.Configuration
-import android.net.Uri
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.LayoutInflater
@@ -20,6 +19,8 @@ import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts.RequestMultiplePermissions
 import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
 import androidx.annotation.VisibleForTesting
+import androidx.core.net.toUri
+import androidx.core.os.BundleCompat
 import androidx.paging.PagedList
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
@@ -27,8 +28,8 @@ import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
 import androidx.recyclerview.widget.RecyclerView.OnItemTouchListener
 import androidx.recyclerview.widget.SimpleItemAnimator
 import fr.free.nrw.commons.Media
+import fr.free.nrw.commons.MediaDataExtractor
 import fr.free.nrw.commons.R
-import fr.free.nrw.commons.Utils
 import fr.free.nrw.commons.auth.SessionManager
 import fr.free.nrw.commons.contributions.WikipediaInstructionsDialogFragment.Companion.newInstance
 import fr.free.nrw.commons.databinding.FragmentContributionsListBinding
@@ -38,10 +39,10 @@ import fr.free.nrw.commons.filepicker.FilePicker
 import fr.free.nrw.commons.media.MediaClient
 import fr.free.nrw.commons.profile.ProfileActivity
 import fr.free.nrw.commons.utils.DialogUtil.showAlertDialog
-import fr.free.nrw.commons.utils.SystemThemeUtils
 import fr.free.nrw.commons.utils.ViewUtil.showShortToast
+import fr.free.nrw.commons.utils.copyToClipboard
+import fr.free.nrw.commons.utils.handleWebUrl
 import fr.free.nrw.commons.wikidata.model.WikiSite
-import org.apache.commons.lang3.StringUtils
 import javax.inject.Inject
 import javax.inject.Named
 
@@ -51,10 +52,6 @@ import javax.inject.Named
  */
 class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsListContract.View,
     ContributionsListAdapter.Callback, WikipediaInstructionsDialogFragment.Callback {
-    @JvmField
-    @Inject
-    var systemThemeUtils: SystemThemeUtils? = null
-
     @JvmField
     @Inject
     var controller: ContributionController? = null
@@ -63,6 +60,10 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     @Inject
     var mediaClient: MediaClient? = null
 
+    @JvmField
+    @Inject
+    var mediaDataExtractor: MediaDataExtractor? = null
+
     @JvmField
     @Named(NetworkingModule.NAMED_LANGUAGE_WIKI_PEDIA_WIKI_SITE)
     @Inject
@@ -77,13 +78,14 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     var sessionManager: SessionManager? = null
 
     private var binding: FragmentContributionsListBinding? = null
-    private var fab_close: Animation? = null
-    private var fab_open: Animation? = null
-    private var rotate_forward: Animation? = null
-    private var rotate_backward: Animation? = null
+    private var fabClose: Animation? = null
+    private var fabOpen: Animation? = null
+    private var rotateForward: Animation? = null
+    private var rotateBackward: Animation? = null
     private var isFabOpen = false
 
-    private lateinit var inAppCameraLocationPermissionLauncher: ActivityResultLauncher<Array<String>>
+    private lateinit var inAppCameraLocationPermissionLauncher:
+            ActivityResultLauncher<Array<String>>
 
     @VisibleForTesting
     var rvContributionsList: RecyclerView? = null
@@ -94,8 +96,8 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     @VisibleForTesting
     var callback: Callback? = null
 
-    private val SPAN_COUNT_LANDSCAPE = 3
-    private val SPAN_COUNT_PORTRAIT = 1
+    private val spanCountLandscape = 3
+    private val spanCountPortrait = 1
 
     private var contributionsSize = 0
     private var userName: String? = null
@@ -144,7 +146,7 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
             userName = requireArguments().getString(ProfileActivity.KEY_USERNAME)
         }
 
-        if (StringUtils.isEmpty(userName)) {
+        if (userName.isNullOrEmpty()) {
             userName = sessionManager!!.userName
         }
         inAppCameraLocationPermissionLauncher =
@@ -155,7 +157,8 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
                 controller?.locationPermissionCallback?.onLocationPermissionGranted()
             } else {
                 activity?.let { currentActivity ->
-                    if (currentActivity.shouldShowRequestPermissionRationale(permission.ACCESS_FINE_LOCATION)) {
+                    if (currentActivity.shouldShowRequestPermissionRationale(
+                            permission.ACCESS_FINE_LOCATION)) {
                         controller?.handleShowRationaleFlowCameraLocation(
                             currentActivity,
                             inAppCameraLocationPermissionLauncher, // Pass launcher
@@ -163,7 +166,8 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
                         )
                     } else {
                         controller?.locationPermissionCallback?.onLocationPermissionDenied(
-                            currentActivity.getString(R.string.in_app_camera_location_permission_denied)
+                            currentActivity.getString(
+                                R.string.in_app_camera_location_permission_denied)
                         )
                     }
                 }
@@ -183,7 +187,7 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
         contributionsListPresenter!!.onAttachView(this)
         binding!!.fabCustomGallery.setOnClickListener { v: View? -> launchCustomSelector() }
         binding!!.fabCustomGallery.setOnLongClickListener { view: View? ->
-            showShortToast(context, fr.free.nrw.commons.R.string.custom_selector_title)
+            showShortToast(context, R.string.custom_selector_title)
             true
         }
 
@@ -193,7 +197,7 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
         } else {
             binding!!.tvContributionsOfUser.visibility = View.VISIBLE
             binding!!.tvContributionsOfUser.text =
-                getString(fr.free.nrw.commons.R.string.contributions_of_user, userName)
+                getString(R.string.contributions_of_user, userName)
             binding!!.fabLayout.visibility = View.GONE
         }
 
@@ -231,7 +235,10 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     }
 
     private fun initAdapter() {
-        adapter = ContributionsListAdapter(this, mediaClient!!)
+        adapter = ContributionsListAdapter(this,
+            mediaClient!!,
+            mediaDataExtractor!!,
+            compositeDisposable)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -306,7 +313,7 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
             override fun onInterceptTouchEvent(rv: RecyclerView, e: MotionEvent): Boolean {
                 if (e.action == MotionEvent.ACTION_DOWN) {
                     if (isFabOpen) {
-                        animateFAB(isFabOpen)
+                        animateFAB(true)
                     }
                 }
                 return false
@@ -338,14 +345,20 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     }
 
     private fun getSpanCount(orientation: Int): Int {
-        return if (orientation == Configuration.ORIENTATION_LANDSCAPE) SPAN_COUNT_LANDSCAPE else SPAN_COUNT_PORTRAIT
+        return if (orientation == Configuration.ORIENTATION_LANDSCAPE)
+            spanCountLandscape
+        else
+            spanCountPortrait
     }
 
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
         // check orientation
         binding!!.fabLayout.orientation =
-            if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) LinearLayout.HORIZONTAL else LinearLayout.VERTICAL
+            if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE)
+                LinearLayout.HORIZONTAL
+            else
+                LinearLayout.VERTICAL
         rvContributionsList
             ?.setLayoutManager(
                 GridLayoutManager(context, getSpanCount(newConfig.orientation))
@@ -353,10 +366,10 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     }
 
     private fun initializeAnimations() {
-        fab_open = AnimationUtils.loadAnimation(activity, fr.free.nrw.commons.R.anim.fab_open)
-        fab_close = AnimationUtils.loadAnimation(activity, fr.free.nrw.commons.R.anim.fab_close)
-        rotate_forward = AnimationUtils.loadAnimation(activity, fr.free.nrw.commons.R.anim.rotate_forward)
-        rotate_backward = AnimationUtils.loadAnimation(activity, fr.free.nrw.commons.R.anim.rotate_backward)
+        fabOpen = AnimationUtils.loadAnimation(activity, R.anim.fab_open)
+        fabClose = AnimationUtils.loadAnimation(activity, R.anim.fab_close)
+        rotateForward = AnimationUtils.loadAnimation(activity, R.anim.rotate_forward)
+        rotateBackward = AnimationUtils.loadAnimation(activity, R.anim.rotate_backward)
     }
 
     private fun setListeners() {
@@ -372,7 +385,7 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
         binding!!.fabCamera.setOnLongClickListener { view: View? ->
             showShortToast(
                 context,
-                fr.free.nrw.commons.R.string.add_contribution_from_camera
+                R.string.add_contribution_from_camera
             )
             true
         }
@@ -381,7 +394,7 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
             animateFAB(isFabOpen)
         }
         binding!!.fabGallery.setOnLongClickListener { view: View? ->
-            showShortToast(context, fr.free.nrw.commons.R.string.menu_from_gallery)
+            showShortToast(context, R.string.menu_from_gallery)
             true
         }
     }
@@ -389,7 +402,7 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     /**
      * Launch Custom Selector.
      */
-    protected fun launchCustomSelector() {
+    private fun launchCustomSelector() {
         controller!!.initiateCustomGalleryPickWithPermission(
             requireActivity(),
             customSelectorLauncherForResult
@@ -405,18 +418,18 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
         this.isFabOpen = !isFabOpen
         if (binding!!.fabPlus.isShown) {
             if (isFabOpen) {
-                binding!!.fabPlus.startAnimation(rotate_backward)
-                binding!!.fabCamera.startAnimation(fab_close)
-                binding!!.fabGallery.startAnimation(fab_close)
-                binding!!.fabCustomGallery.startAnimation(fab_close)
+                binding!!.fabPlus.startAnimation(rotateBackward)
+                binding!!.fabCamera.startAnimation(fabClose)
+                binding!!.fabGallery.startAnimation(fabClose)
+                binding!!.fabCustomGallery.startAnimation(fabClose)
                 binding!!.fabCamera.hide()
                 binding!!.fabGallery.hide()
                 binding!!.fabCustomGallery.hide()
             } else {
-                binding!!.fabPlus.startAnimation(rotate_forward)
-                binding!!.fabCamera.startAnimation(fab_open)
-                binding!!.fabGallery.startAnimation(fab_open)
-                binding!!.fabCustomGallery.startAnimation(fab_open)
+                binding!!.fabPlus.startAnimation(rotateForward)
+                binding!!.fabCamera.startAnimation(fabOpen)
+                binding!!.fabGallery.startAnimation(fabOpen)
+                binding!!.fabCustomGallery.startAnimation(fabOpen)
                 binding!!.fabCamera.show()
                 binding!!.fabGallery.show()
                 binding!!.fabCustomGallery.show()
@@ -428,9 +441,9 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     /**
      * Shows welcome message if user has no contributions yet i.e. new user.
      */
-    override fun showWelcomeTip(shouldShow: Boolean) {
+    override fun showWelcomeTip(numberOfUploads: Boolean) {
         binding!!.noContributionsYet.visibility =
-            if (shouldShow) View.VISIBLE else View.GONE
+            if (numberOfUploads) View.VISIBLE else View.GONE
     }
 
     /**
@@ -450,22 +463,22 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
 
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
-        val layoutManager = rvContributionsList
-            ?.getLayoutManager() as GridLayoutManager?
+        val layoutManager = rvContributionsList?.layoutManager as GridLayoutManager?
         outState.putParcelable(RV_STATE, layoutManager!!.onSaveInstanceState())
     }
 
     override fun onViewStateRestored(savedInstanceState: Bundle?) {
         super.onViewStateRestored(savedInstanceState)
         if (null != savedInstanceState) {
-            val savedRecyclerLayoutState = savedInstanceState.getParcelable<Parcelable>(RV_STATE)
+            val savedRecyclerLayoutState =
+                BundleCompat.getParcelable(savedInstanceState, RV_STATE, Parcelable::class.java)
             rvContributionsList!!.layoutManager!!.onRestoreInstanceState(savedRecyclerLayoutState)
         }
     }
 
-    override fun openMediaDetail(position: Int, isWikipediaButtonDisplayed: Boolean) {
+    override fun openMediaDetail(contribution: Int, isWikipediaPageExists: Boolean) {
         if (null != callback) { //Just being safe, ideally they won't be called when detached
-            callback!!.showDetail(position, isWikipediaButtonDisplayed)
+            callback!!.showDetail(contribution, isWikipediaPageExists)
         }
     }
 
@@ -477,8 +490,8 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
     override fun addImageToWikipedia(contribution: Contribution?) {
         showAlertDialog(
             requireActivity(),
-            getString(fr.free.nrw.commons.R.string.add_picture_to_wikipedia_article_title),
-            getString(fr.free.nrw.commons.R.string.add_picture_to_wikipedia_article_desc),
+            getString(R.string.add_picture_to_wikipedia_article_title),
+            getString(R.string.add_picture_to_wikipedia_article_desc),
             {
                 if (contribution != null) {
                     showAddImageToWikipediaInstructions(contribution)
@@ -492,16 +505,18 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
      * @param contribution
      */
     private fun showAddImageToWikipediaInstructions(contribution: Contribution) {
-        val fragmentManager = fragmentManager
+        val fragmentManager = this.parentFragmentManager
         val fragment = newInstance(contribution)
         fragment.callback =
-            WikipediaInstructionsDialogFragment.Callback { contribution: Contribution?, copyWikicode: Boolean ->
-                this.onConfirmClicked(
+            WikipediaInstructionsDialogFragment.Callback {
+                contribution: Contribution?,
+                copyWikicode: Boolean ->
+                onConfirmClicked(
                     contribution,
                     copyWikicode
                 )
             }
-        fragment.show(fragmentManager!!, "WikimediaFragment")
+        fragment.show(fragmentManager, "WikimediaFragment")
     }
 
 
@@ -522,14 +537,13 @@ class ContributionsListFragment : CommonsDaggerSupportFragment(), ContributionsL
      */
     override fun onConfirmClicked(contribution: Contribution?, copyWikicode: Boolean) {
         if (copyWikicode) {
-            val wikicode = contribution!!.media.wikiCode
-            Utils.copy("wikicode", wikicode, context)
+            requireContext().copyToClipboard("wikicode", contribution!!.media.wikiCode)
         }
 
         val url =
             languageWikipediaSite!!.mobileUrl() + "/wiki/" + (contribution!!.wikidataPlace
                 ?.getWikipediaPageTitle())
-        Utils.handleWebUrl(context, Uri.parse(url))
+        handleWebUrl(requireContext(), url.toUri())
     }
 
     fun getContributionStateAt(position: Int): Int {

app/src/main/java/fr/free/nrw/commons/contributions/MainActivity.kt

@@ -12,7 +12,6 @@ import androidx.fragment.app.FragmentManager
 import androidx.work.ExistingWorkPolicy
 import com.google.android.material.bottomnavigation.BottomNavigationView
 import fr.free.nrw.commons.R
-import fr.free.nrw.commons.WelcomeActivity
 import fr.free.nrw.commons.auth.SessionManager
 import fr.free.nrw.commons.bookmarks.BookmarkFragment
 import fr.free.nrw.commons.contributions.ContributionsFragment.Companion.newInstance
@@ -33,7 +32,9 @@ import fr.free.nrw.commons.notification.NotificationActivity.Companion.startYour
 import fr.free.nrw.commons.notification.NotificationController
 import fr.free.nrw.commons.quiz.QuizChecker
 import fr.free.nrw.commons.settings.SettingsFragment
+import fr.free.nrw.commons.startWelcome
 import fr.free.nrw.commons.theme.BaseActivity
+import fr.free.nrw.commons.utils.applyEdgeToEdgeAllInsets
 import fr.free.nrw.commons.upload.UploadProgressActivity
 import fr.free.nrw.commons.upload.worker.WorkRequestHelper.Companion.makeOneTimeWorkRequest
 import fr.free.nrw.commons.utils.ViewUtilWrapper
@@ -112,6 +113,7 @@ class MainActivity : BaseActivity(), FragmentManager.OnBackStackChangedListener
     public override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = MainBinding.inflate(layoutInflater)
+        applyEdgeToEdgeAllInsets(binding!!.root)
         setContentView(binding!!.root)
         setSupportActionBar(binding!!.toolbarBinding.toolbar)
         tabLayout = binding!!.fragmentMainNavTabLayout
@@ -151,21 +153,7 @@ after opening the app.
                 }
             }
             setUpPager()
-            /**
-             * Ask the user for media location access just after login
-             * so that location in the EXIF metadata of the images shared by the user
-             * is retained on devices running Android 10 or above
-             */
-//            if (VERSION.SDK_INT >= VERSION_CODES.Q) {
-//                ActivityCompat.requestPermissions(this,
-//                    new String[]{Manifest.permission.ACCESS_MEDIA_LOCATION}, 0);
-//                PermissionUtils.checkPermissionsAndPerformAction(
-//                    this,
-//                    () -> {},
-//                    R.string.media_location_permission_denied,
-//                    R.string.add_location_manually,
-//                    permission.ACCESS_MEDIA_LOCATION);
-//            }
+
             checkAndResumeStuckUploads()
         }
     }
@@ -336,7 +324,7 @@ after opening the app.
         )
             .subscribeOn(Schedulers.io())
             .blockingGet()
-        Timber.d("Resuming " + stuckUploads.size + " uploads...")
+        Timber.d("Resuming %d uploads...", stuckUploads.size)
         if (!stuckUploads.isEmpty()) {
             for (contribution in stuckUploads) {
                 contribution.state = Contribution.STATE_QUEUED
@@ -517,7 +505,7 @@ after opening the app.
             (!applicationKvStore!!.getBoolean("login_skipped"))
         ) {
             defaultKvStore.putBoolean("inAppCameraFirstRun", true)
-            WelcomeActivity.startYourself(this)
+            startWelcome()
         }
 
         retryAllFailedUploads()

app/src/main/java/fr/free/nrw/commons/contributions/SetWallpaperWorker.kt

@@ -45,10 +45,10 @@ class SetWallpaperWorker(context: Context, params: WorkerParameters) :
                 }
             }
 
-            override fun onFailureImpl(dataSource: DataSource<CloseableReference<CloseableImage>>?) {
+            override fun onFailureImpl(dataSource: DataSource<CloseableReference<CloseableImage?>?>) {
                 Timber.d("Error getting bitmap from image url %s", imageUrl.toString())
                 showNotification(context, "Setting Wallpaper Failed", "Failed to download image.")
-                dataSource?.close()
+                dataSource.close()
             }
         }, CallerThreadExecutor.getInstance())
 

app/src/main/java/fr/free/nrw/commons/customselector/listeners/ImageSelectListener.kt

@@ -17,8 +17,11 @@ interface ImageSelectListener {
     )
 
     /**
-     * onLongPress
-     * @param imageUri : uri of image
+     * Called when the user performs a long press on an image.
+     *
+     * @param position The index of the pressed image in the list.
+     * @param images The list of all available images.
+     * @param selectedImages The currently selected images.
      */
     fun onLongPress(
         position: Int,

app/src/main/java/fr/free/nrw/commons/customselector/model/CallbackStatus.kt

@@ -8,15 +8,15 @@ sealed class CallbackStatus {
     /**
      IDLE : The callback is idle , doing nothing.
      */
-    object IDLE : CallbackStatus()
+    data object IDLE : CallbackStatus()
 
     /**
      FETCHING : Fetching images.
      */
-    object FETCHING : CallbackStatus()
+    data object FETCHING : CallbackStatus()
 
     /**
      SUCCESS : Success fetching images.
      */
-    object SUCCESS : CallbackStatus()
+    data object SUCCESS : CallbackStatus()
 }

app/src/main/java/fr/free/nrw/commons/customselector/model/Folder.kt

@@ -39,4 +39,11 @@ data class Folder(
 
         return true
     }
+
+    override fun hashCode(): Int {
+        var result = bucketId.hashCode()
+        result = 31 * result + name.hashCode()
+        result = 31 * result + images.hashCode()
+        return result
+    }
 }

app/src/main/java/fr/free/nrw/commons/customselector/model/Image.kt

@@ -1,6 +1,7 @@
 package fr.free.nrw.commons.customselector.model
 
 import android.net.Uri
+import android.os.Build
 import android.os.Parcel
 import android.os.Parcelable
 
@@ -48,7 +49,12 @@ data class Image(
         this(
             parcel.readLong(),
             parcel.readString()!!,
-            parcel.readParcelable(Uri::class.java.classLoader)!!,
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                parcel.readParcelable(Uri::class.java.classLoader, Uri::class.java)!!
+            } else {
+                @Suppress("DEPRECATION")
+                parcel.readParcelable(Uri::class.java.classLoader)!!
+            },
             parcel.readString()!!,
             parcel.readLong(),
             parcel.readString()!!,
@@ -121,4 +127,16 @@ data class Image(
 
         override fun newArray(size: Int): Array<Image?> = arrayOfNulls(size)
     }
+
+    override fun hashCode(): Int {
+        var result = id.hashCode()
+        result = 31 * result + bucketId.hashCode()
+        result = 31 * result + name.hashCode()
+        result = 31 * result + uri.hashCode()
+        result = 31 * result + path.hashCode()
+        result = 31 * result + bucketName.hashCode()
+        result = 31 * result + sha1.hashCode()
+        result = 31 * result + date.hashCode()
+        return result
+    }
 }

app/src/main/java/fr/free/nrw/commons/customselector/ui/adapter/ImageAdapter.kt

@@ -26,6 +26,7 @@ import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import java.util.TreeMap
 import kotlin.collections.ArrayList
 
@@ -167,8 +168,7 @@ class ImageAdapter(
 
                     // Getting selected index when switch is off
                 } else if (actionableImagesMap.size > position) {
-                    ImageHelper
-                        .getIndex(selectedImages, ArrayList(actionableImagesMap.values)[position])
+                    ImageHelper.getIndex(selectedImages, ArrayList(actionableImagesMap.values)[position])
 
                     // For any other case return -1
                 } else {
@@ -326,12 +326,17 @@ class ImageAdapter(
 
         // Getting clicked index from all images index when show_already_actioned_images
         // switch is on
+        if (singleSelection) {
+            // If single selection mode, clear previous selection and select only the new one
+            if (selectedImages.isNotEmpty() && (selectedImages[0] != images[position])) {
+                val prevIndex = images.indexOf(selectedImages[0])
+                selectedImages.clear()
+                notifyItemChanged(prevIndex, ImageUnselected())
+            }
+        }
         val clickedIndex: Int =
             if (showAlreadyActionedImages) {
                 ImageHelper.getIndex(selectedImages, images[position])
-
-                // Getting clicked index from actionable images when show_already_actioned_images
-                // switch is off
             } else {
                 ImageHelper.getIndex(selectedImages, ArrayList(actionableImagesMap.values)[position])
             }
@@ -342,45 +347,41 @@ class ImageAdapter(
                 numberOfSelectedImagesMarkedAsNotForUpload--
             }
             notifyItemChanged(position, ImageUnselected())
-
-            // Getting index from all images index when switch is on
-            val indexes =
-                if (showAlreadyActionedImages) {
-                    ImageHelper.getIndexList(selectedImages, images)
-
-                    // Getting index from actionable images when switch is off
-                } else {
-                    ImageHelper.getIndexList(selectedImages, ArrayList(actionableImagesMap.values))
-                }
-            for (index in indexes) {
-                notifyItemChanged(index, ImageSelectedOrUpdated())
-            }
+            // Notify listener of deselection to update UI
+            imageSelectListener.onSelectedImagesChanged(selectedImages, numberOfSelectedImagesMarkedAsNotForUpload)
         } else {
-            if (holder.isItemUploaded()) {
-                Toast.makeText(context, R.string.custom_selector_already_uploaded_image_text, Toast.LENGTH_SHORT).show()
-            } else {
-                if (holder.isItemNotForUpload()) {
-                    numberOfSelectedImagesMarkedAsNotForUpload++
-                }
-
-                // Getting index from all images index when switch is on
-                val indexes: ArrayList<Int> =
-                    if (showAlreadyActionedImages) {
-                        selectedImages.add(images[position])
-                        ImageHelper.getIndexList(selectedImages, images)
-
-                        // Getting index from actionable images when switch is off
-                    } else {
-                        selectedImages.add(ArrayList(actionableImagesMap.values)[position])
-                        ImageHelper.getIndexList(selectedImages, ArrayList(actionableImagesMap.values))
+            // Prevent adding the same image multiple times
+            val image = if (showAlreadyActionedImages) images[position] else ArrayList(actionableImagesMap.values)[position]
+            if (selectedImages.contains(image)) {
+                return // Image already selected, ignore additional clicks
+            }
+            scope.launch(ioDispatcher) {
+                val imageSHA1 = imageLoader.getSHA1(image, defaultDispatcher)
+                withContext(Dispatchers.Main) {
+                    if (holder.isItemUploaded()) {
+                        Toast.makeText(context, R.string.custom_selector_already_uploaded_image_text, Toast.LENGTH_SHORT).show()
+                        return@withContext
                     }
 
-                for (index in indexes) {
-                    notifyItemChanged(index, ImageSelectedOrUpdated())
+                    if (imageSHA1.isNotEmpty() && imageLoader.getFromUploaded(imageSHA1) != null) {
+                        holder.itemUploaded()
+                        Toast.makeText(context, R.string.custom_selector_already_uploaded_image_text, Toast.LENGTH_SHORT).show()
+                        return@withContext
+                    }
+
+                    if (!holder.isItemUploaded() && imageSHA1.isNotEmpty() && imageLoader.getFromUploaded(imageSHA1) != null) {
+                        Toast.makeText(context, R.string.custom_selector_already_uploaded_image_text, Toast.LENGTH_SHORT).show()
+                    }
+
+                    if (holder.isItemNotForUpload()) {
+                        numberOfSelectedImagesMarkedAsNotForUpload++
+                    }
+                    selectedImages.add(image)
+                    notifyItemChanged(position, ImageSelectedOrUpdated())
+                    imageSelectListener.onSelectedImagesChanged(selectedImages, numberOfSelectedImagesMarkedAsNotForUpload)
                 }
             }
         }
-        imageSelectListener.onSelectedImagesChanged(selectedImages, numberOfSelectedImagesMarkedAsNotForUpload)
     }
 
     /**
@@ -626,4 +627,13 @@ class ImageAdapter(
      * Returns the text for showing inside the bubble during bubble scroll.
      */
     override fun getSectionName(position: Int): String = images[position].date
-}
+
+    private var singleSelection: Boolean = false
+
+    /**
+     * Set single selection mode
+     */
+    fun setSingleSelection(single: Boolean) {
+        singleSelection = single
+    }
+}

app/src/main/java/fr/free/nrw/commons/customselector/ui/selector/CustomSelectorActivity.kt

@@ -40,6 +40,7 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.content.ContextCompat
+import androidx.core.view.ViewGroupCompat
 import androidx.lifecycle.ViewModelProvider
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.customselector.database.NotForUploadStatus
@@ -56,6 +57,8 @@ import fr.free.nrw.commons.media.ZoomableActivity
 import fr.free.nrw.commons.theme.BaseActivity
 import fr.free.nrw.commons.upload.FileUtilsWrapper
 import fr.free.nrw.commons.utils.CustomSelectorUtils
+import fr.free.nrw.commons.utils.applyEdgeToEdgeBottomPaddingInsets
+import fr.free.nrw.commons.utils.applyEdgeToEdgeTopInsets
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -104,7 +107,7 @@ class CustomSelectorActivity :
     /**
      * Maximum number of images that can be selected.
      */
-    private val uploadLimit: Int = 20
+    private var uploadLimit: Int = 20
 
     /**
      * Flag that is marked true when the amount
@@ -198,6 +201,9 @@ class CustomSelectorActivity :
                         .fillMaxWidth(),
             )
         }
+        ViewGroupCompat.installCompatInsetsDispatch(binding.root)
+        applyEdgeToEdgeTopInsets(toolbarBinding.toolbarLayout)
+        bottomSheetBinding.bottomLayout.applyEdgeToEdgeBottomPaddingInsets()
         val view = binding.root
         setContentView(view)
 
@@ -207,6 +213,9 @@ class CustomSelectorActivity :
                 CustomSelectorViewModel::class.java,
             )
 
+        // Check for single selection extra
+        uploadLimit = if (intent.getBooleanExtra(EXTRA_SINGLE_SELECTION, false)) 1 else 20
+
         setupViews()
 
         if (prefs.getBoolean("customSelectorFirstLaunch", true)) {
@@ -610,8 +619,11 @@ class CustomSelectorActivity :
     }
 
     /**
-     * onLongPress
-     * @param imageUri : uri of image
+     * Triggered when the user performs a long press on an image.
+     *
+     * @param position The index of the selected image.
+     * @param images The list of all available images.
+     * @param selectedImages The list of images currently selected.
      */
     override fun onLongPress(
         position: Int,
@@ -638,17 +650,20 @@ class CustomSelectorActivity :
             finishPickImages(arrayListOf())
             return
         }
-        var i = 0
-        while (i < selectedImages.size) {
-            val path = selectedImages[i].path
-            val file = File(path)
-            if (!file.exists()) {
-                selectedImages.removeAt(i)
-                i--
+        scope.launch(ioDispatcher) {
+            val uniqueImages = selectedImages.distinctBy { image ->
+                CustomSelectorUtils.getImageSHA1(
+                    image.uri,
+                    ioDispatcher,
+                    fileUtilsWrapper,
+                    contentResolver
+                )
+            }
+
+            withContext(Dispatchers.Main) {
+                finishPickImages(ArrayList(uniqueImages))
             }
-            i++
         }
-        finishPickImages(selectedImages)
     }
 
     /**
@@ -722,6 +737,7 @@ class CustomSelectorActivity :
         const val FOLDER_ID: String = "FolderId"
         const val FOLDER_NAME: String = "FolderName"
         const val ITEM_ID: String = "ItemId"
+        const val EXTRA_SINGLE_SELECTION: String = "EXTRA_SINGLE_SELECTION"
     }
 }
 

app/src/main/java/fr/free/nrw/commons/customselector/ui/selector/FolderFragment.kt

@@ -18,6 +18,7 @@ import fr.free.nrw.commons.databinding.FragmentCustomSelectorBinding
 import fr.free.nrw.commons.di.CommonsDaggerSupportFragment
 import fr.free.nrw.commons.media.MediaClient
 import fr.free.nrw.commons.upload.FileProcessor
+import fr.free.nrw.commons.utils.applyEdgeToEdgeBottomPaddingInsets
 import javax.inject.Inject
 
 /**
@@ -99,6 +100,7 @@ class FolderFragment : CommonsDaggerSupportFragment() {
         selectorRV = binding?.selectorRv
         loader = binding?.loader
         with(binding?.selectorRv) {
+            this?.applyEdgeToEdgeBottomPaddingInsets()
             this?.layoutManager = gridLayoutManager
             this?.setHasFixedSize(true)
             this?.adapter = folderAdapter

app/src/main/java/fr/free/nrw/commons/customselector/ui/selector/ImageFileLoader.kt

@@ -104,7 +104,8 @@ class ImageFileLoader(
                 if (file != null && file.exists() && name != null && path != null && bucketName != null) {
                     val extension = path.substringAfterLast(".", "")
                     // Check if the extension is one of the allowed types
-                    if (extension.lowercase(Locale.ROOT) !in arrayOf("jpg", "jpeg", "png", "svg", "gif", "tiff", "webp", "xcf")) {
+                    if (extension.lowercase(Locale.ROOT) !in arrayOf("jpg", "jpeg", "png", "svg",
+                            "gif", "tiff", "webp", "xcf")) {
                         continue
                     }
 

app/src/main/java/fr/free/nrw/commons/customselector/ui/selector/ImageFragment.kt

@@ -9,7 +9,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ProgressBar
-import android.widget.Switch
 import androidx.appcompat.app.AlertDialog
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.view.isVisible
@@ -20,6 +19,7 @@ import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.switchmaterial.SwitchMaterial
 import fr.free.nrw.commons.contributions.Contribution
 import fr.free.nrw.commons.contributions.ContributionDao
 import fr.free.nrw.commons.customselector.database.NotForUploadStatusDao
@@ -41,11 +41,13 @@ import fr.free.nrw.commons.media.MediaClient
 import fr.free.nrw.commons.theme.BaseActivity
 import fr.free.nrw.commons.upload.FileProcessor
 import fr.free.nrw.commons.upload.FileUtilsWrapper
+import fr.free.nrw.commons.utils.applyEdgeToEdgeBottomPaddingInsets
 import io.reactivex.schedulers.Schedulers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.launch
+import timber.log.Timber
 import java.util.TreeMap
 import javax.inject.Inject
 import kotlin.collections.ArrayList
@@ -80,7 +82,7 @@ class ImageFragment :
      */
     private var selectorRV: RecyclerView? = null
     private var loader: ProgressBar? = null
-    private var switch: Switch? = null
+    private var switch: SwitchMaterial? = null
     lateinit var filteredImages: ArrayList<Image>
 
     /**
@@ -210,10 +212,18 @@ class ImageFragment :
         savedInstanceState: Bundle?,
     ): View? {
         _binding = FragmentCustomSelectorBinding.inflate(inflater, container, false)
-        imageAdapter =
-            ImageAdapter(requireActivity(), activity as ImageSelectListener, imageLoader!!)
+
+        // ensures imageAdapter is initialized
+        if (!::imageAdapter.isInitialized) {
+            imageAdapter = ImageAdapter(requireActivity(), activity as ImageSelectListener, imageLoader!!)
+            Timber.d("Initialized imageAdapter in onCreateView")
+        }
+        // Set single selection mode if needed
+        val singleSelection = (activity as? CustomSelectorActivity)?.intent?.getBooleanExtra(CustomSelectorActivity.EXTRA_SINGLE_SELECTION, false) == true
+        imageAdapter.setSingleSelection(singleSelection)
         gridLayoutManager = GridLayoutManager(context, getSpanCount())
         with(binding?.selectorRv) {
+            this?.applyEdgeToEdgeBottomPaddingInsets()
             this?.layoutManager = gridLayoutManager
             this?.setHasFixedSize(true)
             this?.adapter = imageAdapter
@@ -365,7 +375,12 @@ class ImageFragment :
      * notifyDataSetChanged, rebuild the holder views to account for deleted images.
      */
     override fun onResume() {
-        imageAdapter.notifyDataSetChanged()
+        if (::imageAdapter.isInitialized) {
+            imageAdapter.notifyDataSetChanged()
+            Timber.d("Notified imageAdapter in onResume")
+        } else {
+            Timber.w("imageAdapter not initialized in onResume")
+        }
         super.onResume()
     }
 
@@ -375,14 +390,19 @@ class ImageFragment :
      * Save the Image Fragment state.
      */
     override fun onDestroy() {
-        imageAdapter.cleanUp()
+        if (::imageAdapter.isInitialized) {
+            imageAdapter.cleanUp()
+            Timber.d("Cleaned up imageAdapter in onDestroy")
+        } else {
+            Timber.w("imageAdapter not initialized in onDestroy, skipping cleanup")
+        }
 
         val position =
-            (selectorRV?.layoutManager as GridLayoutManager)
-                .findFirstVisibleItemPosition()
+            (selectorRV?.layoutManager as? GridLayoutManager)
+                ?.findFirstVisibleItemPosition() ?: -1
 
-        // Check for empty RecyclerView.
-        if (position != -1 && filteredImages.size > 0) {
+        // check for valid position and non-empty image list
+        if (position != -1 && filteredImages.isNotEmpty() && ::imageAdapter.isInitialized) {
             context?.let { context ->
                 context
                     .getSharedPreferences(
@@ -391,34 +411,57 @@ class ImageFragment :
                     )?.let { prefs ->
                         prefs.edit()?.let { editor ->
                             editor.putLong("ItemId", imageAdapter.getImageIdAt(position))?.apply()
+                            Timber.d("Saved last visible item ID: %d", imageAdapter.getImageIdAt(position))
                         }
                     }
             }
+        } else {
+            Timber.d("Skipped saving item ID: position=%d, filteredImages.size=%d, imageAdapter initialized=%b",
+                position, filteredImages.size, ::imageAdapter.isInitialized)
         }
         super.onDestroy()
     }
 
     override fun onDestroyView() {
         _binding = null
+        selectorRV = null
+        loader = null
+        switch = null
+        progressLayout = null
         super.onDestroyView()
     }
 
     override fun refresh() {
-        imageAdapter.refresh(filteredImages, allImages, getUploadingContributions())
+        if (::imageAdapter.isInitialized) {
+            imageAdapter.refresh(filteredImages, allImages, getUploadingContributions())
+            Timber.d("Refreshed imageAdapter")
+        } else {
+            Timber.w("imageAdapter not initialized in refresh")
+        }
     }
 
     /**
      * Removes the image from the actionable image map
      */
     fun removeImage(image: Image) {
-        imageAdapter.removeImageFromActionableImageMap(image)
+        if (::imageAdapter.isInitialized) {
+            imageAdapter.removeImageFromActionableImageMap(image)
+            Timber.d("Removed image from actionable image map")
+        } else {
+            Timber.w("imageAdapter not initialized in removeImage")
+        }
     }
 
     /**
      * Clears the selected images
      */
     fun clearSelectedImages() {
-        imageAdapter.clearSelectedImages()
+        if (::imageAdapter.isInitialized) {
+            imageAdapter.clearSelectedImages()
+            Timber.d("Cleared selected images")
+        } else {
+            Timber.w("imageAdapter not initialized in clearSelectedImages")
+        }
     }
 
     /**
@@ -429,6 +472,15 @@ class ImageFragment :
         selectedImages: ArrayList<Image>,
         shouldRefresh: Boolean,
     ) {
+        if (::imageAdapter.isInitialized) {
+            imageAdapter.setSelectedImages(selectedImages)
+            if (shouldRefresh) {
+                imageAdapter.refresh(filteredImages, allImages, getUploadingContributions())
+            }
+            Timber.d("Passed %d selected images to imageAdapter, shouldRefresh=%b", selectedImages.size, shouldRefresh)
+        } else {
+            Timber.w("imageAdapter not initialized in passSelectedImages")
+        }
     }
 
     /**
@@ -438,6 +490,7 @@ class ImageFragment :
         if (!progressDialog.isShowing) {
             progressDialogLayout.progressDialogText.text = text
             progressDialog.show()
+            Timber.d("Showing mark/unmark progress dialog: %s", text)
         }
     }
 
@@ -447,6 +500,7 @@ class ImageFragment :
     fun dismissMarkUnmarkProgressDialog() {
         if (progressDialog.isShowing) {
             progressDialog.dismiss()
+            Timber.d("Dismissed mark/unmark progress dialog")
         }
     }
 
@@ -456,4 +510,4 @@ class ImageFragment :
                 listOf(Contribution.STATE_IN_PROGRESS, Contribution.STATE_FAILED, Contribution.STATE_QUEUED, Contribution.STATE_PAUSED),
             )?.subscribeOn(Schedulers.io())
             ?.blockingGet() ?: emptyList()
-}
+}

app/src/main/java/fr/free/nrw/commons/data/DBOpenHelper.kt

@@ -4,11 +4,10 @@ import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteException
 import android.database.sqlite.SQLiteOpenHelper
-import fr.free.nrw.commons.bookmarks.items.BookmarkItemsDao
-import fr.free.nrw.commons.bookmarks.locations.BookmarkLocationsDao
-import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesDao
+import fr.free.nrw.commons.bookmarks.items.BookmarkItemsTable
+import fr.free.nrw.commons.bookmarks.pictures.BookmarksTable
 import fr.free.nrw.commons.category.CategoryDao
-import fr.free.nrw.commons.explore.recentsearches.RecentSearchesDao
+import fr.free.nrw.commons.explore.recentsearches.RecentSearchesTable
 import fr.free.nrw.commons.recentlanguages.RecentLanguagesDao
 
 
@@ -30,17 +29,17 @@ class DBOpenHelper(
      */
     override fun onCreate(db: SQLiteDatabase) {
         CategoryDao.Table.onCreate(db)
-        BookmarkPicturesDao.Table.onCreate(db)
-        BookmarkItemsDao.Table.onCreate(db)
-        RecentSearchesDao.Table.onCreate(db)
+        BookmarksTable.onCreate(db)
+        BookmarkItemsTable.onCreate(db)
+        RecentSearchesTable.onCreate(db)
         RecentLanguagesDao.Table.onCreate(db)
     }
 
     override fun onUpgrade(db: SQLiteDatabase, from: Int, to: Int) {
         CategoryDao.Table.onUpdate(db, from, to)
-        BookmarkPicturesDao.Table.onUpdate(db, from, to)
-        BookmarkItemsDao.Table.onUpdate(db, from, to)
-        RecentSearchesDao.Table.onUpdate(db, from, to)
+        BookmarksTable.onUpdate(db, from, to)
+        BookmarkItemsTable.onUpdate(db, from, to)
+        RecentSearchesTable.onUpdate(db, from, to)
         RecentLanguagesDao.Table.onUpdate(db, from, to)
         deleteTable(db, CONTRIBUTIONS_TABLE)
         deleteTable(db, BOOKMARKS_LOCATIONS)

app/src/main/java/fr/free/nrw/commons/db/AppDatabase.kt

@@ -30,7 +30,7 @@ import fr.free.nrw.commons.upload.depicts.DepictsDao
  */
 @Database(
     entities = [Contribution::class, Depicts::class, UploadedStatus::class, NotForUploadStatus::class, ReviewEntity::class, Place::class, BookmarksCategoryModal::class, BookmarksLocations::class],
-    version = 20,
+    version = 21,
     exportSchema = false,
 )
 @TypeConverters(Converters::class)

app/src/main/java/fr/free/nrw/commons/delete/DeleteHelper.kt

@@ -53,7 +53,6 @@ class DeleteHelper @Inject constructor(
         media: Media?,
         reason: String?
     ): Single<Boolean>? {
-
         if(context == null && media == null) {
             return null
         }
@@ -86,7 +85,6 @@ class DeleteHelper @Inject constructor(
      * @return
      */
     private fun delete(media: Media, reason: String): Observable<Boolean> {
-        Timber.d("thread is delete %s", Thread.currentThread().name)
         val summary = "Nominating ${media.filename} for deletion."
         val calendar = Calendar.getInstance()
         val fileDeleteString = """

app/src/main/java/fr/free/nrw/commons/delete/ReasonBuilder.kt

@@ -2,21 +2,19 @@ package fr.free.nrw.commons.delete
 
 import android.annotation.SuppressLint
 import android.content.Context
-
-import fr.free.nrw.commons.utils.DateUtil
-import java.util.Locale
-
-import javax.inject.Inject
-import javax.inject.Singleton
-
 import fr.free.nrw.commons.Media
 import fr.free.nrw.commons.R
-import fr.free.nrw.commons.profile.achievements.FeedbackResponse
 import fr.free.nrw.commons.auth.SessionManager
 import fr.free.nrw.commons.mwapi.OkHttpJsonApiClient
+import fr.free.nrw.commons.utils.DateUtil
 import fr.free.nrw.commons.utils.ViewUtilWrapper
 import io.reactivex.Single
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.rx2.rxSingle
 import timber.log.Timber
+import java.util.Locale
+import javax.inject.Inject
+import javax.inject.Singleton
 
 /**
  * This class handles the reason for deleting a Media object
@@ -29,6 +27,8 @@ class ReasonBuilder @Inject constructor(
     private val viewUtilWrapper: ViewUtilWrapper
 ) {
 
+    private val defaultFileUsagePageSize = 10
+
     /**
      * To process the reason and append the media's upload date and uploaded_by_me string
      * @param media
@@ -39,7 +39,7 @@ class ReasonBuilder @Inject constructor(
         if (media == null || reason == null) {
             return Single.just("Not known")
         }
-        return fetchArticleNumber(media, reason)
+        return getAndAppendFileUsage(media, reason)
     }
 
     /**
@@ -54,27 +54,36 @@ class ReasonBuilder @Inject constructor(
         }
     }
 
-    private fun fetchArticleNumber(media: Media, reason: String): Single<String> {
-        return if (checkAccount()) {
-            okHttpJsonApiClient
-                .getAchievements(sessionManager.userName)
-                .map { feedbackResponse -> appendArticlesUsed(feedbackResponse, media, reason) }
-        } else {
-            Single.just("")
+    private fun getAndAppendFileUsage(media: Media, reason: String): Single<String> {
+        return rxSingle(context = Dispatchers.IO) {
+            if (!checkAccount()) return@rxSingle ""
+
+            try {
+                val globalFileUsage = okHttpJsonApiClient.getGlobalFileUsages(
+                    fileName = media.filename,
+                    pageSize = defaultFileUsagePageSize
+                )
+                val globalUsages = globalFileUsage?.query?.pages?.sumOf { it.fileUsage.size } ?: 0
+
+                appendArticlesUsed(globalUsages, media, reason)
+            } catch (e: Exception) {
+                Timber.e(e, "Error fetching file usage")
+                throw e
+            }
         }
     }
 
     /**
-     * Takes the uploaded_by_me string, the upload date, name of articles using images
+     * Takes the uploaded_by_me string, the upload date, no. of articles using images
      * and appends it to the received reason
-     * @param feedBack object
+     * @param fileUsages No. of files/articles using this image
      * @param media whose upload data is to be fetched
-     * @param reason
+     * @param reason string to be appended
      */
     @SuppressLint("StringFormatInvalid")
-    private fun appendArticlesUsed(feedBack: FeedbackResponse, media: Media, reason: String): String {
+    private fun appendArticlesUsed(fileUsages: Int, media: Media, reason: String): String {
         val reason1Template = context.getString(R.string.uploaded_by_myself)
-        return reason + String.format(Locale.getDefault(), reason1Template, prettyUploadedDate(media), feedBack.articlesUsingImages)
+        return reason + String.format(Locale.getDefault(), reason1Template, prettyUploadedDate(media), fileUsages)
             .also { Timber.i("New Reason %s", it) }
     }
 

app/src/main/java/fr/free/nrw/commons/description/DescriptionEditActivity.kt

@@ -7,6 +7,7 @@ import android.speech.RecognizerIntent
 import android.view.View
 import androidx.activity.result.ActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.core.view.WindowCompat
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import fr.free.nrw.commons.CommonsApplication
@@ -20,9 +21,11 @@ import fr.free.nrw.commons.description.EditDescriptionConstants.WIKITEXT
 import fr.free.nrw.commons.recentlanguages.RecentLanguagesDao
 import fr.free.nrw.commons.settings.Prefs
 import fr.free.nrw.commons.theme.BaseActivity
+import fr.free.nrw.commons.utils.applyEdgeToEdgeBottomInsets
 import fr.free.nrw.commons.upload.UploadMediaDetail
 import fr.free.nrw.commons.upload.UploadMediaDetailAdapter
 import fr.free.nrw.commons.utils.DialogUtil.showAlertDialog
+import fr.free.nrw.commons.utils.applyEdgeToEdgeTopPaddingInsets
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.functions.Consumer
 import io.reactivex.schedulers.Schedulers
@@ -87,6 +90,10 @@ class DescriptionEditActivity :
         super.onCreate(savedInstanceState)
 
         binding = ActivityDescriptionEditBinding.inflate(layoutInflater)
+        applyEdgeToEdgeBottomInsets(binding.btnEditSubmit)
+        WindowCompat.getInsetsController(window, window.decorView)
+            .isAppearanceLightStatusBars = false
+        binding.toolbar.applyEdgeToEdgeTopPaddingInsets()
         setContentView(binding.root)
 
         val bundle = intent.extras
@@ -143,7 +150,7 @@ class DescriptionEditActivity :
             this,
             getString(titleStringID),
             getString(messageStringId),
-            getString(android.R.string.ok),
+            getString(R.string.ok),
             null
         )
     }