Merge branch '2.13-release-2' of https://github.com/misaochan/apps-android-commons into 2.13-release-2

Conflicts were caused by merging #3723 before #3721 , so I just rolled both into one commit.

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Wikimedia Commons for Android
 
+## v2.13
+- New media details UI, ability to zoom and pan around image
+- Added suggestions for a place that needs photos if user uploads a photo that is near one of them
+- Modifications and fixes to Nearby filters based on user feedback
+- Multiple crash and bug fixes
+
 ## v2.12.3
 - Fixed issue with EXIF data, including coords, being removed from uploads
 

app/build.gradle

@@ -125,8 +125,8 @@ android {
 
     defaultConfig {
         //applicationId 'fr.free.nrw.commons'
-        versionCode 561
-        versionName '2.12.3'
+        versionCode 709
+        versionName '2.13'
         setProperty("archivesBaseName", "app-commons-v$versionName-" + getBranchName())
 
         minSdkVersion 19

app/src/main/java/fr/free/nrw/commons/category/CategoriesModel.java

@@ -123,9 +123,8 @@ public class CategoriesModel{
         }
 
         //otherwise, search API for matching categories
-        //term passed as lower case to make search case-insensitive(taking only lower case for everything)
         return categoryClient
-                .searchCategoriesForPrefix(term.toLowerCase(), SEARCH_CATS_LIMIT)
+                .searchCategoriesForPrefix(term, SEARCH_CATS_LIMIT)
                 .map(name -> new CategoryItem(name, false));
     }
 
@@ -184,12 +183,11 @@ public class CategoriesModel{
 
     /**
      * Return category for single title
-     * title is converted to lower case to make search case-insensitive
      * @param title
      * @return
      */
     private Observable<CategoryItem> getTitleCategories(String title) {
-        return categoryClient.searchCategories(title.toLowerCase(), SEARCH_CATS_LIMIT)
+        return categoryClient.searchCategories(title, SEARCH_CATS_LIMIT)
                 .map(name -> new CategoryItem(name, false));
     }
 

app/src/main/java/fr/free/nrw/commons/category/CategoryClient.java

@@ -55,7 +55,7 @@ public class CategoryClient {
 
     /**
      * Searches for categories starting with the specified string.
-     * 
+     *
      * @param prefix    The prefix to be searched
      * @param itemLimit How many results are returned
      * @param offset    Starts returning items from the nth result. If offset is 9, the response starts with the 9th item of the search result

app/src/main/java/fr/free/nrw/commons/category/CategoryItem.java

@@ -3,6 +3,10 @@ package fr.free.nrw.commons.category;
 import android.os.Parcel;
 import android.os.Parcelable;
 
+/**
+ * Represents a Category Item.
+ * Implemented as Parcelable so that its object could be parsed between activity components.
+ */
 public class CategoryItem implements Parcelable {
     private final String name;
     private boolean selected;
@@ -24,28 +28,53 @@ public class CategoryItem implements Parcelable {
         this.selected = selected;
     }
 
+    /**
+     * Reads from the received Parcel
+     * @param in
+     */
     private CategoryItem(Parcel in) {
         name = in.readString();
         selected = in.readInt() == 1;
     }
 
+    /**
+     * Gets Name
+     * @return
+     */
     public String getName() {
         return name;
     }
 
+    /**
+     * Checks if that Category Item has been selected.
+     * @return
+     */
     public boolean isSelected() {
         return selected;
     }
 
+    /**
+     * Selects the Category Item.
+     * @param selected
+     */
     public void setSelected(boolean selected) {
         this.selected = selected;
     }
 
+    /**
+     * Used by Parcelable
+     * @return
+     */
     @Override
     public int describeContents() {
         return 0;
     }
 
+    /**
+     * Writes to the received Parcel
+     * @param parcel
+     * @param flags
+     */
     @Override
     public void writeToParcel(Parcel parcel, int flags) {
         parcel.writeString(name);
@@ -67,13 +96,19 @@ public class CategoryItem implements Parcelable {
 
     }
 
+    /**
+     * Returns hash code for current object
+     */
     @Override
     public int hashCode() {
         return name.hashCode();
     }
 
+    /**
+     * Return String form of current object
+     */
     @Override
     public String toString() {
         return "CategoryItem: '" + name + '\'';
     }
-}
+}

app/src/main/java/fr/free/nrw/commons/filepicker/FilePicker.java

@@ -166,7 +166,7 @@ public class FilePicker implements Constants {
     public static List<UploadableFile> handleExternalImagesPicked(Intent data, Activity activity) {
         try {
             return getFilesFromGalleryPictures(data, activity);
-        } catch (IOException e) {
+        } catch (IOException | SecurityException e) {
             e.printStackTrace();
         }
         return new ArrayList<>();
@@ -207,7 +207,7 @@ public class FilePicker implements Constants {
         }
     }
 
-    private static List<UploadableFile> getFilesFromGalleryPictures(Intent data, Activity activity) throws IOException {
+    private static List<UploadableFile> getFilesFromGalleryPictures(Intent data, Activity activity) throws IOException, SecurityException {
         List<UploadableFile> files = new ArrayList<>();
         ClipData clipData = data.getClipData();
         if (clipData == null) {

app/src/main/java/fr/free/nrw/commons/filepicker/PickedFiles.java

@@ -104,12 +104,15 @@ class PickedFiles implements Constants {
                 });
     }
 
-    static UploadableFile pickedExistingPicture(@NonNull Context context, Uri photoUri) throws IOException {
+    static UploadableFile pickedExistingPicture(@NonNull Context context, Uri photoUri) throws IOException, SecurityException {// SecurityException for those file providers who share URI but forget to grant necessary permissions
         InputStream pictureInputStream = context.getContentResolver().openInputStream(photoUri);
         File directory = tempImageDirectory(context);
         File photoFile = new File(directory, UUID.randomUUID().toString() + "." + getMimeType(context, photoUri));
-        photoFile.createNewFile();
-        writeToFile(pictureInputStream, photoFile);
+        if (photoFile.createNewFile()) {
+            writeToFile(pictureInputStream, photoFile);
+        } else {
+            throw new IOException("could not create photoFile to write upon");
+        }
         return new UploadableFile(photoUri, photoFile);
     }
 

app/src/main/java/fr/free/nrw/commons/media/MediaDetailFragment.java

@@ -105,6 +105,8 @@ public class MediaDetailFragment extends CommonsDaggerSupportFragment {
 
     @BindView(R.id.mediaDetailImageView)
     SimpleDraweeView image;
+    @BindView(R.id.mediaDetailImageViewSpacer)
+    LinearLayout imageSpacer;
     @BindView(R.id.mediaDetailTitle)
     TextView title;
     @BindView(R.id.mediaDetailDesc)
@@ -205,12 +207,14 @@ public class MediaDetailFragment extends CommonsDaggerSupportFragment {
         return view;
     }
 
-    @OnClick(R.id.mediaDetailImageView)
+    @OnClick(R.id.mediaDetailImageViewSpacer)
     public void launchZoomActivity(View view) {
-        Context ctx = view.getContext();
-        ctx.startActivity(
-                new Intent(ctx,ZoomableActivity.class).setData(Uri.parse(media.getImageUrl()))
-        );
+        if (media.getImageUrl() != null) {
+            Context ctx = view.getContext();
+            ctx.startActivity(
+                new Intent(ctx, ZoomableActivity.class).setData(Uri.parse(media.getImageUrl()))
+            );
+        }
     }
 
     @Override
@@ -241,12 +245,21 @@ public class MediaDetailFragment extends CommonsDaggerSupportFragment {
         compositeDisposable.add(disposable);
     }
 
+    /**
+     * The imageSpacer is Basically a transparent overlay for the SimpleDraweeView
+     * which holds the image to be displayed( moreover this image is out of
+     * the scroll view )
+     * @param imageInfo used to calculate height of the ImageSpacer
+     */
     private void updateAspectRatio(ImageInfo imageInfo) {
         if (imageInfo != null) {
             int finalHeight = (scrollView.getWidth()*imageInfo.getHeight()) / imageInfo.getWidth();
             ViewGroup.LayoutParams params = image.getLayoutParams();
+            ViewGroup.LayoutParams spacerParams = imageSpacer.getLayoutParams();
             params.height = finalHeight;
+            spacerParams.height = finalHeight;
             image.setLayoutParams(params);
+            imageSpacer.setLayoutParams(spacerParams);
         }
     }
 

app/src/main/java/fr/free/nrw/commons/nearby/CheckBoxTriStates.java

@@ -1,8 +1,6 @@
 package fr.free.nrw.commons.nearby;
 
 import android.content.Context;
-import android.os.Parcel;
-import android.os.Parcelable;
 import android.util.AttributeSet;
 import android.widget.CompoundButton;
 
@@ -12,7 +10,6 @@ import androidx.appcompat.widget.AppCompatCheckBox;
 import java.util.List;
 
 import fr.free.nrw.commons.R;
-import fr.free.nrw.commons.nearby.presenter.NearbyParentFragmentPresenter;
 
 /**
  * Base on https://stackoverflow.com/a/40939367/3950497 answer.
@@ -25,7 +22,7 @@ public class CheckBoxTriStates extends AppCompatCheckBox {
 
     static public final int CHECKED = 1;
 
-    private int state;
+    private int state=UNKNOWN;
 
     private Callback callback;
 
@@ -64,12 +61,6 @@ public class CheckBoxTriStates extends AppCompatCheckBox {
      */
     private OnCheckedChangeListener clientListener;
 
-    /**
-     * This flag is needed to avoid accidentally changing the current {@link #state} when
-     * {@link #onRestoreInstanceState(Parcelable)} calls {@link #setChecked(boolean)}
-     * evoking our {@link #privateListener} and therefore changing the real state.
-     */
-    private boolean restoring;
 
     public CheckBoxTriStates(Context context) {
         super(context);
@@ -91,7 +82,7 @@ public class CheckBoxTriStates extends AppCompatCheckBox {
     }
 
     public void setState(int state) {
-        if(!this.restoring && this.state != state) {
+        if(this.state != state) {
             this.state = state;
 
             if(this.clientListener != null) {
@@ -118,27 +109,6 @@ public class CheckBoxTriStates extends AppCompatCheckBox {
         super.setOnCheckedChangeListener(privateListener);
     }
 
-    @Override
-    public Parcelable onSaveInstanceState() {
-        Parcelable superState = super.onSaveInstanceState();
-
-        SavedState ss = new SavedState(superState);
-
-        ss.state = state;
-
-        return ss;
-    }
-
-    @Override
-    public void onRestoreInstanceState(Parcelable state) {
-        this.restoring = true; // indicates that the ui is restoring its state
-        SavedState ss = (SavedState) state;
-        super.onRestoreInstanceState(ss.getSuperState());
-        setState(ss.state);
-        requestLayout();
-        this.restoring = false;
-    }
-
     private void init() {
         state = UNKNOWN;
         updateBtn();
@@ -164,44 +134,4 @@ public class CheckBoxTriStates extends AppCompatCheckBox {
         setButtonDrawable(btnDrawable);
 
     }
-
-    static class SavedState extends BaseSavedState {
-        int state;
-
-        SavedState(Parcelable superState) {
-            super(superState);
-        }
-
-        private SavedState(Parcel in) {
-            super(in);
-            state = in.readInt();
-        }
-
-        @Override
-        public void writeToParcel(Parcel out, int flags) {
-            super.writeToParcel(out, flags);
-            out.writeValue(state);
-        }
-
-        @Override
-        public String toString() {
-            return "CheckboxTriState.SavedState{"
-                    + Integer.toHexString(System.identityHashCode(this))
-                    + " state=" + state + "}";
-        }
-
-        @SuppressWarnings("hiding")
-        public static final Parcelable.Creator<SavedState> CREATOR =
-                new Parcelable.Creator<SavedState>() {
-                    @Override
-                    public SavedState createFromParcel(Parcel in) {
-                        return new SavedState(in);
-                    }
-
-                    @Override
-                    public SavedState[] newArray(int size) {
-                        return new SavedState[size];
-                    }
-                };
-    }
 }

app/src/main/java/fr/free/nrw/commons/nearby/NearbyAdapterFactory.java

@@ -41,4 +41,17 @@ public class NearbyAdapterFactory {
         rendererAdapter.notifyDataSetChanged();
         rendererAdapter.diffUpdate(newPlaceList);
     }
+
+    public void clear(RVRendererAdapter<Place> rendererAdapter){
+        rendererAdapter.clear();
+    }
+
+    public void add(Place place, RVRendererAdapter<Place> rendererAdapter){
+        rendererAdapter.add(place);
+    }
+
+    public void update(RVRendererAdapter<Place> rendererAdapter){
+        rendererAdapter.notifyDataSetChanged();
+    }
+
 }

app/src/main/java/fr/free/nrw/commons/nearby/fragments/NearbyParentFragment.java

@@ -624,6 +624,18 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
         adapterFactory.updateAdapterData(placeList, (RVRendererAdapter<Place>) rvNearbyList.getAdapter());
     }
 
+    public void clearNearbyList() {
+        adapterFactory.clear((RVRendererAdapter<Place>) rvNearbyList.getAdapter());
+    }
+
+    public void updateNearbyList() {
+        adapterFactory.update((RVRendererAdapter<Place>) rvNearbyList.getAdapter());
+    }
+
+    public void addPlaceToNearbyList(Place place) {
+        adapterFactory.add(place, (RVRendererAdapter<Place>) rvNearbyList.getAdapter());
+    }
+
     @Override
     public fr.free.nrw.commons.location.LatLng getLastLocation() {
         return lastKnownLocation;
@@ -636,7 +648,7 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
 
     @Override
     public boolean isCurrentLocationMarkerVisible() {
-        if (latLngBounds == null) {
+        if (latLngBounds == null || currentLocationMarker==null) {
             Timber.d("Map projection bounds are null");
             return false;
         } else {
@@ -1078,7 +1090,8 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
 
     @Override
     public void filterOutAllMarkers() {
-        hideAllMArkers();
+        hideAllMarkers();
+        updateNearbyList();
     }
 
     /**
@@ -1089,6 +1102,7 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
         for (MarkerPlaceGroup markerPlaceGroup : NearbyController.markerLabelList) {
             updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
         }
+        updateNearbyList();
     }
 
     /**
@@ -1100,65 +1114,44 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
      * @param filterForAllNoneType true if we filter places with all none button
      */
     @Override
-    public void filterMarkersByLabels(List<Label> selectedLabels, boolean displayExists,
-                                      boolean displayNeedsPhoto,
-                                      boolean filterForPlaceState,
-                                      boolean filterForAllNoneType) {
-        if (selectedLabels.size() == 0 && filterForPlaceState) { // If nothing is selected, display all
-            // remove the previous markers before updating them
-            hideAllMArkers();
-            for (MarkerPlaceGroup markerPlaceGroup : NearbyController.markerLabelList) {
-                if (displayExists && displayNeedsPhoto) {
-                    // Exists and needs photo
-                    if (markerPlaceGroup.getPlace().destroyed.trim().isEmpty() && markerPlaceGroup.getPlace().pic.trim().isEmpty()) {
-                        updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                    }
-                } else if (displayExists && !displayNeedsPhoto) {
-                    // Exists and all included needs and doesn't needs photo
-                    if (markerPlaceGroup.getPlace().destroyed.trim().isEmpty()) {
-                        updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                    }
-                } else if (!displayExists && displayNeedsPhoto) {
-                    // All and only needs photo
-                    if (markerPlaceGroup.getPlace().pic.trim().isEmpty()) {
-                        updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                    }
-                } else if (!displayExists && !displayNeedsPhoto) {
-                    // all
-                    updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                }
+    public void filterMarkersByLabels(List<Label> selectedLabels,
+        boolean displayExists,
+        boolean displayNeedsPhoto,
+        boolean filterForPlaceState,
+        boolean filterForAllNoneType) {
 
+        hideAllMarkers();
+        for (MarkerPlaceGroup markerPlaceGroup : NearbyController.markerLabelList) {
+            Place place = markerPlaceGroup.getPlace();
+
+            // When label filter is engaged
+            // then compare it against place's label
+            if (selectedLabels != null && (selectedLabels.size() != 0 || !filterForPlaceState)
+                && !selectedLabels.contains(place.getLabel())) {
+                continue;
             }
-        } else {
-            // First remove all the markers
-            hideAllMArkers();
-            for (MarkerPlaceGroup markerPlaceGroup : NearbyController.markerLabelList) {
-                for (Label label : selectedLabels) {
-                    if (markerPlaceGroup.getPlace().getLabel().toString().equals(label.toString())) {
 
-                        if (displayExists && displayNeedsPhoto) {
-                            // Exists and needs photo
-                            if (markerPlaceGroup.getPlace().destroyed.trim().isEmpty() && markerPlaceGroup.getPlace().pic.trim().isEmpty()) {
-                                updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                            }
-                        } else if (displayExists && !displayNeedsPhoto) {
-                            // Exists and all included needs and doesn't needs photo
-                            if (markerPlaceGroup.getPlace().destroyed.trim().isEmpty()) {
-                                updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                            }
-                        } else if (!displayExists && displayNeedsPhoto) {
-                            // All and only needs photo
-                            if (markerPlaceGroup.getPlace().pic.trim().isEmpty()) {
-                                updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                            }
-                        } else if (!displayExists && !displayNeedsPhoto) {
-                            // all
-                            updateMarker(markerPlaceGroup.getIsBookmarked(), markerPlaceGroup.getPlace(), NearbyController.currentLocation);
-                        }
-                    }
+            if (displayExists && displayNeedsPhoto) {
+                // Exists and needs photo
+                if (place.destroyed.trim().isEmpty() && place.pic.trim().isEmpty()) {
+                    updateMarker(markerPlaceGroup.getIsBookmarked(), place, NearbyController.currentLocation);
                 }
+            } else if (displayExists && !displayNeedsPhoto) {
+                // Exists and all included needs and doesn't needs photo
+                if (place.destroyed.trim().isEmpty()) {
+                    updateMarker(markerPlaceGroup.getIsBookmarked(), place, NearbyController.currentLocation);
+                }
+            } else if (!displayExists && displayNeedsPhoto) {
+                // All and only needs photo
+                if (place.pic.trim().isEmpty()) {
+                    updateMarker(markerPlaceGroup.getIsBookmarked(), place, NearbyController.currentLocation);
+                }
+            } else if (!displayExists && !displayNeedsPhoto) {
+                // all
+                updateMarker(markerPlaceGroup.getIsBookmarked(), place, NearbyController.currentLocation);
             }
         }
+        updateNearbyList();
     }
 
     @Override
@@ -1173,6 +1166,8 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
      * @param curLatLng current location
      */
     public void updateMarker(boolean isBookmarked, Place place, @Nullable fr.free.nrw.commons.location.LatLng curLatLng) {
+        addPlaceToNearbyList(place);
+
         VectorDrawableCompat vectorDrawable;
         if (isBookmarked) {
             vectorDrawable = VectorDrawableCompat.create(
@@ -1219,10 +1214,8 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
      * but it is transparent more than grey(as the name of the icon might suggest)
      * since grey icon may lead the users to believe that it is disabled or prohibited contribution
      */
-    private void hideAllMArkers() {
-        if(currentLocationMarker==null){
-            return;
-        }
+
+    private void hideAllMarkers() {
         VectorDrawableCompat vectorDrawable;
         vectorDrawable = VectorDrawableCompat.create(
                 getContext().getResources(), R.drawable.ic_custom_greyed_out_marker, getContext().getTheme());
@@ -1233,6 +1226,7 @@ public class NearbyParentFragment extends CommonsDaggerSupportFragment
             }
         }
         addCurrentLocationMarker(NearbyController.currentLocation);
+        clearNearbyList();
     }
 
     private void addNearbyMarkersToMapBoxMap(List<NearbyBaseMarker> nearbyBaseMarkers, Marker selectedMarker) {

app/src/main/java/fr/free/nrw/commons/nearby/presenter/NearbyParentFragmentPresenter.java

@@ -284,7 +284,11 @@ public class NearbyParentFragmentPresenter
                     nearbyParentFragmentView.setRecyclerViewAdapterItemsGreyedOut();
                     break;
                 case CHECKED:
-                    nearbyParentFragmentView.displayAllMarkers();
+                    // Despite showing all labels NearbyFilterState still should be applied
+                    nearbyParentFragmentView.filterMarkersByLabels(selectedLabels,
+                        NearbyFilterState.getInstance().isExistsSelected(),
+                        NearbyFilterState.getInstance().isNeedPhotoSelected(),
+                        filterForPlaceState, false);
                     nearbyParentFragmentView.setRecyclerViewAdapterAllSelected();
                     break;
             }

app/src/main/java/fr/free/nrw/commons/utils/CommonsDateUtil.java

@@ -25,9 +25,10 @@ public class CommonsDateUtil {
      * Gets the timestamp pattern for a date
      * @return timestamp
      */
-    public static SimpleDateFormat getIso8601DateFormatTimestamp() {
-        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ROOT);
-        simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
-        return simpleDateFormat;
+        public static SimpleDateFormat getIso8601DateFormatTimestamp() {
+            final SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssX",
+                Locale.ROOT);
+            simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+            return simpleDateFormat;
     }
 }

app/src/main/res/drawable/bg_copy_wikitext_button.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid
+        android:color="@color/button_blue" />
+    <corners
+        android:radius="@dimen/progressbar_stroke" />
+</shape>

app/src/main/res/drawable/bg_delete_button.xml

@@ -9,12 +9,9 @@
         <shape
             android:shape="rectangle">
             <solid
-                android:color="@color/deleteButton"/>
+                android:color="?attr/mediaDetailNominationBackground"/>
             <corners
                 android:radius="@dimen/progressbar_stroke" />
-            <stroke
-                android:width="5px"
-                android:color="@color/deleteRed" />
         </shape>
     </item>
 

app/src/main/res/drawable/ic_info_outline_dark_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="@dimen/half_standard_height"
+        android:height="@dimen/half_standard_height"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="@color/button_background_dark"
+        android:pathData="M11,17h2v-6h-2v6zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8zM11,9h2L13,7h-2v2z"/>
+</vector>

app/src/main/res/drawable/ic_map_dark_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="@dimen/half_standard_height"
+        android:height="@dimen/half_standard_height"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="@color/button_background_dark"
+        android:pathData="M20.5,3l-0.16,0.03L15,5.1 9,3 3.36,4.9c-0.21,0.07 -0.36,0.25 -0.36,0.48V20.5c0,0.28 0.22,0.5 0.5,0.5l0.16,-0.03L9,18.9l6,2.1 5.64,-1.9c0.21,-0.07 0.36,-0.25 0.36,-0.48V3.5c0,-0.28 -0.22,-0.5 -0.5,-0.5zM15,19l-6,-2.11V5l6,2.11V19z"/>
+</vector>

app/src/main/res/layout/detail_category_item.xml

@@ -10,15 +10,15 @@
         android:id="@+id/mediaDetailCategoryItemText"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="?attr/subBackground"
+        android:background="?attr/mainBackground"
         android:foreground="?attr/selectableItemBackground"
         android:gravity="center_vertical"
         android:minHeight="@dimen/overflow_button_dimen"
-        android:padding="@dimen/quarter_standard_height"
-        android:textColor="@android:color/white"
+        android:padding="@dimen/small_gap"
+        android:textColor="?attr/mediaDetailsText"
         android:textSize="@dimen/description_text_size"
-        app:drawablePadding="@dimen/small_gap"
-        app:drawableStart="@drawable/ic_info_outline_24dp"
+        app:drawablePadding="@dimen/tiny_gap"
+        app:drawableStart="?attr/iconInfo24"
         />
 
 </LinearLayout>

app/src/main/res/layout/fragment_media_detail.xml

@@ -19,11 +19,10 @@
         />
 
     <com.facebook.drawee.view.SimpleDraweeView
-        android:id="@+id/mediaDetailImage"
+        android:id="@+id/mediaDetailImageView"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:actualImageScaleType="centerCrop"
-        />
+        android:layout_height="@dimen/dimen_250"
+        app:actualImageScaleType="none" />
 
     <ScrollView
         android:id="@+id/mediaDetailScrollView"
@@ -40,257 +39,200 @@
 
             <!-- Placeholder. Height gets set at runtime based on container size; the initial value is a hack to keep
                  the detail info offscreen until it's placed properly. May be a better way to do this. -->
-            <com.facebook.drawee.view.SimpleDraweeView
-                android:id="@+id/mediaDetailImageView"
+
+            <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="@dimen/dimen_250"
-                app:actualImageScaleType="none" />
+                android:orientation="vertical"
+                android:background="@android:color/transparent"
+                android:id="@+id/mediaDetailImageViewSpacer"
+                />
 
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:background="?attr/fragmentCategorisationBackground"
-                android:orientation="vertical"
-                android:padding="@dimen/standard_gap">
+                android:background="?attr/mainBackground"
+                android:orientation="vertical">
 
                 <LinearLayout
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap">
+                    android:background="@color/primaryDarkColor"
+                    android:orientation="horizontal"
+                    android:padding="@dimen/quarter_standard_height">
+
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/media_detail_title"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelTitle"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/media_detail_title" />
 
                     <TextView
+                        style="@style/MediaDetailTextBody"
                         android:id="@+id/mediaDetailTitle"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_gravity="start"
-                        android:background="?attr/subBackground"
-                        android:padding="@dimen/small_gap"
+                        android:layout_width="@dimen/widget_margin"
                         android:textColor="@android:color/white"
-                        android:textSize="@dimen/description_text_size"
+                        android:layout_height="match_parent"
                         tools:text="Title of the media" />
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
-
                 <LinearLayout
+                    style="@style/MediaDetailContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:id="@+id/authorLinearLayout"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap">
+                    android:orientation="horizontal">
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/media_detail_author"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelGeneric"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/media_detail_author" />
 
                     <TextView
+                        style="@style/MediaDetailTextBody"
                         android:id="@+id/mediaDetailAuthor"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_gravity="start"
-                        android:background="?attr/subBackground"
-                        android:padding="@dimen/small_gap"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/description_text_size"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
                         tools:text="Media author user name goes here." />
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
-
                 <LinearLayout
+                    style="@style/MediaDetailContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap">
+                    android:orientation="horizontal">
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/media_detail_description"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelGeneric"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/media_detail_description" />
 
                     <fr.free.nrw.commons.ui.widget.HtmlTextView
                         android:id="@+id/mediaDetailDesc"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:layout_weight="70"
                         android:layout_gravity="start"
-                        android:background="?attr/subBackground"
                         android:padding="@dimen/small_gap"
-                        android:textColor="@android:color/white"
+                        android:textColor="?attr/mediaDetailsText"
                         android:textSize="@dimen/description_text_size"
                         tools:text="Description of the media goes here. This can potentially be fairly long, and will need to wrap across multiple lines. We hope it looks nice though." />
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
+                <View
+                    android:background="?attr/mediaDetailSpacerColor"
                     android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
+                    android:layout_height="@dimen/tiny_gap"/>
 
                 <LinearLayout
+                    style="@style/MediaDetailContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap">
+                    android:orientation="horizontal">
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/media_detail_license"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelGeneric"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/media_detail_license" />
 
                     <fr.free.nrw.commons.ui.widget.CompatTextView
                         android:id="@+id/mediaDetailLicense"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:layout_weight="70"
                         android:layout_gravity="start"
-                        android:background="?attr/subBackground"
                         android:foreground="?attr/selectableItemBackground"
                         android:gravity="center_vertical"
                         android:padding="@dimen/small_gap"
-                        android:textColor="@android:color/white"
+                        android:textColor="?attr/mediaDetailsText"
                         android:textSize="@dimen/description_text_size"
                         app:drawablePadding="@dimen/tiny_gap"
-                        app:drawableStart="@drawable/ic_info_outline_24dp"
+                        app:drawableStart="?attr/iconInfo24"
                         tools:text="License link" />
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
-
                 <LinearLayout
+                    style="@style/MediaDetailContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap">
+                    android:orientation="horizontal">
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/media_detail_coordinates"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelGeneric"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/media_detail_coordinates" />
 
                     <fr.free.nrw.commons.ui.widget.CompatTextView
                         android:id="@+id/mediaDetailCoordinates"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:layout_weight="70"
                         android:layout_gravity="start"
-                        android:background="?attr/subBackground"
                         android:foreground="?attr/selectableItemBackground"
                         android:gravity="center_vertical"
                         android:padding="@dimen/small_gap"
-                        android:textColor="@android:color/white"
+                        android:textColor="?attr/mediaDetailsText"
                         android:textSize="@dimen/description_text_size"
                         app:drawablePadding="@dimen/tiny_gap"
-                        app:drawableStart="@drawable/ic_map_white_24dp"
+                        app:drawableStart="?attr/iconMap24"
                         tools:text="Coordinates link" />
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
-
                 <LinearLayout
+                    style="@style/MediaDetailContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap"
+                    android:orientation="horizontal"
                     android:textStyle="bold">
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_gravity="start"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/detail_panel_cats_label"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelGeneric"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/detail_panel_cats_label" />
 
                     <LinearLayout
                         android:id="@+id/mediaDetailCategoryContainer"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:layout_weight="70"
                         android:orientation="vertical" />
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
-
                 <LinearLayout
+                    style="@style/MediaDetailContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap">
+                    android:orientation="horizontal">
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/media_detail_uploaded_date"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelGeneric"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/media_detail_uploaded_date" />
 
                     <TextView
+                        style="@style/MediaDetailTextBody"
                         android:id="@+id/mediaDetailuploadeddate"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_gravity="start"
-                        android:background="?attr/subBackground"
-                        android:padding="@dimen/small_gap"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/description_text_size"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
                         tools:text="Uploaded date" />
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
-
                 <LinearLayout
                     android:id="@+id/nominatedDeletionBanner"
-                    android:background="@color/deleteRed"
+                    android:background="?attr/mediaDetailNominationBackground"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:orientation="vertical"
-                    android:padding="@dimen/standard_gap"
+                    android:padding="@dimen/quarter_standard_height"
                     android:visibility="gone">
+
                     <TextView
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
@@ -299,6 +241,7 @@
                         android:textColor="@color/primaryTextColor"
                         android:textSize="@dimen/normal_text"
                         android:textStyle="bold"/>
+
                     <TextView
                         android:id="@+id/seeMore"
                         android:layout_width="match_parent"
@@ -310,35 +253,23 @@
                         android:textStyle="bold"/>
                 </LinearLayout>
 
-                <fr.free.nrw.commons.media.MediaDetailSpacer
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/small_gap" />
-
                 <LinearLayout
+                    style="@style/MediaDetailContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:background="?attr/subBackground"
-                    android:orientation="vertical"
-                    android:padding="@dimen/standard_gap">
+                    android:orientation="horizontal">
 
                     <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/tiny_gap"
-                        android:text="@string/media_detail_discussion"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/normal_text"
-                        android:textStyle="bold" />
+                        style="@style/MediaDetailTextLabelGeneric"
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent"
+                        android:text="@string/media_detail_discussion" />
 
                     <TextView
+                        style="@style/MediaDetailTextBody"
                         android:id="@+id/mediaDetailDisc"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_gravity="start"
-                        android:background="?attr/subBackground"
-                        android:padding="@dimen/small_gap"
-                        android:textColor="@android:color/white"
-                        android:textSize="@dimen/description_text_size" />
+                        android:layout_width="@dimen/widget_margin"
+                        android:layout_height="match_parent" />
                 </LinearLayout>
 
                 <Button
@@ -346,7 +277,7 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:layout_margin="@dimen/standard_gap"
-                    android:background="@color/button_blue"
+                    android:background="@drawable/bg_copy_wikitext_button"
                     android:text="@string/copy_wikicode"
                     android:textColor="@color/primaryTextColor" />
 

app/src/main/res/values/attrs.xml

@@ -26,6 +26,12 @@
     <attr name="mainTabBackground" format="reference"/>
     <attr name="mainCardBackground" format="reference"/>
     <attr name="mainScreenNearbyPermissionbutton" format="reference"/>
+    <attr name="iconInfo24" format="reference" />
+    <attr name="iconMap24" format="reference" />
+    <attr name="mediaDetailsText" format="reference" />
+    <attr name="mediaDetailsHeadingText" format="reference" />
+    <attr name="mediaDetailNominationBackground" format="reference" />
+    <attr name="mediaDetailSpacerColor" format="reference" />
     <attr name="icon" format="reference"/>
     <attr name="aboutIconsColor" format="reference"/>
 

app/src/main/res/values/colors.xml

@@ -24,7 +24,8 @@
     <color name="primaryTextColor">#ffffff</color>
     <color name="secondaryTextColor">#000000</color>
 
-    <color name="deleteRed">#90960a0a</color>
+    <color name="deleteRed">#D32F2F</color>
+    <color name="deleteRedDark">#90960a0a</color>
     <color name="deleteButton">#44000000</color>
     <color name="deleteButtonDark">#88000000</color>
     <color name="deleteButtonLight">#44ffffff</color>

app/src/main/res/values/styles.xml

@@ -34,6 +34,12 @@
         <item name="textEnabled">@color/enabled_button_text_color_dark</item>
         <item name="mainCardBackground">@color/main_background_dark</item>
         <item name="mainScreenNearbyPermissionbutton">@style/DarkFlatNearbyPermissionButton</item>
+        <item name="iconInfo24">@drawable/ic_info_outline_24dp</item>
+        <item name="iconMap24" >@drawable/ic_map_white_24dp</item>
+        <item name="mediaDetailsText" >@color/white</item>
+        <item name="mediaDetailsHeadingText">@color/layout_light_grey</item>
+        <item name="mediaDetailNominationBackground">@color/deleteRedDark</item>
+        <item name="mediaDetailSpacerColor">@color/browser_actions_divider_color</item>
     </style>
 
     <style name="LightAppTheme" parent="Theme.AppCompat.Light.NoActionBar">
@@ -69,6 +75,12 @@
         <item name="textEnabled">@color/enabled_button_text_color_light</item>
         <item name="mainCardBackground">@color/primaryDarkColor</item>
         <item name="mainScreenNearbyPermissionbutton">@style/LightFlatNearbyPermissionButton</item>
+        <item name="iconInfo24">@drawable/ic_info_outline_dark_24dp</item>
+        <item name="iconMap24">@drawable/ic_map_dark_24dp</item>
+        <item name="mediaDetailsText">@color/enabled_button_text_color_light</item>
+        <item name="mediaDetailsHeadingText">@color/primaryDarkColor</item>
+        <item name="mediaDetailNominationBackground">@color/deleteRed</item>
+        <item name="mediaDetailSpacerColor">@color/divider_grey</item>
     </style>
 
     <style name="WhiteSearchBarTheme" parent="DarkAppTheme">
@@ -129,4 +141,35 @@
         <item name="centerRegion">#906078</item>
     </style>
 
+    <style name="MediaDetailContainer">
+        <item name="android:paddingLeft">@dimen/quarter_standard_height</item>
+        <item name="android:paddingRight">@dimen/quarter_standard_height</item>
+        <item name="android:paddingTop">@dimen/tiny_gap</item>
+        <item name="android:paddingBottom">@dimen/tiny_gap</item>
+    </style>
+
+    <style name="MediaDetailTextLabel">
+        <item name="android:layout_weight">30</item>
+        <item name="android:paddingTop">@dimen/dimen_6</item>
+        <item name="android:paddingLeft">@dimen/tiny_gap</item>
+        <item name="android:textSize">@dimen/normal_text</item>
+        <item name="android:textStyle">bold</item>
+    </style>
+
+    <style name="MediaDetailTextLabelTitle" parent="@style/MediaDetailTextLabel">
+        <item name="android:textColor">@android:color/white</item>
+    </style>
+
+    <style name="MediaDetailTextLabelGeneric" parent="@style/MediaDetailTextLabel">
+        <item name="android:textColor">?attr/mediaDetailsHeadingText</item>
+    </style>
+
+    <style name="MediaDetailTextBody">
+        <item name="android:layout_weight">70</item>
+        <item name="android:layout_gravity">start</item>
+        <item name="android:padding">@dimen/small_gap</item>
+        <item name="android:textColor">?attr/mediaDetailsText</item>
+        <item name="android:textSize">@dimen/description_text_size</item>
+    </style>
+
 </resources>

app/src/test/kotlin/fr/free/nrw/commons/category/CategoriesModelTest.kt

@@ -17,9 +17,6 @@ class CategoriesModelTest {
     @Mock
     internal var categoryInterface: CategoryInterface? = null
 
-    @Mock
-    internal var categoryItem: CategoryItem? = null
-
     @Spy
     internal lateinit var gson: Gson
 
@@ -43,28 +40,6 @@ class CategoriesModelTest {
         MockitoAnnotations.initMocks(this)
     }
 
-    // Test Case for verifying that Categories search (MW api calls) are case-insensitive
-    @Test
-    fun searchAllFoundCaseTest() {
-       val mwQueryPage = Mockito.mock(MwQueryPage::class.java)
-        Mockito.`when`(mwQueryPage.title()).thenReturn("Category:Test")
-        val mwQueryResult = Mockito.mock(MwQueryResult::class.java)
-        Mockito.`when`(mwQueryResult.pages()).thenReturn(listOf(mwQueryPage))
-        val mockResponse = Mockito.mock(MwQueryResponse::class.java)
-        Mockito.`when`(mockResponse.query()).thenReturn(mwQueryResult)
-        val categoriesModel: CategoriesModel = CategoriesModel(categoryClient,null,null)
-
-        Mockito.`when`(categoryInterface!!.searchCategoriesForPrefix(ArgumentMatchers.anyString(), ArgumentMatchers.anyInt(), ArgumentMatchers.anyInt()))
-                .thenReturn(Observable.just(mockResponse))
-
-        // Checking if both return "Test"
-        val actualCategoryName = categoriesModel!!.searchAll("tes",null).blockingFirst()
-        assertEquals("Test", actualCategoryName.getName())
-        
-        val actualCategoryNameCaps = categoriesModel!!.searchAll("Tes",null).blockingFirst()
-        assertEquals("Test", actualCategoryNameCaps.getName())
-    }
-
     /**
     * For testing the substring search algorithm for Categories search
     * To be more precise it tests the In Between substring( ex: searching `atte` 

app/src/test/kotlin/fr/free/nrw/commons/category/CategoryClientTest.kt

@@ -58,7 +58,6 @@ class CategoryClientTest {
                 { fail("SearchCategories returned element when it shouldn't have.") },
                 { s -> throw s })
     }
-
     @Test
     fun searchCategoriesForPrefixFound() {
         val mwQueryPage = Mockito.mock(MwQueryPage::class.java)
@@ -93,7 +92,6 @@ class CategoryClientTest {
                 { fail("SearchCategories returned element when it shouldn't have.") },
                 { s -> throw s })
     }
-
     @Test
     fun getParentCategoryListFound() {
         val mwQueryPage = Mockito.mock(MwQueryPage::class.java)

app/src/test/kotlin/fr/free/nrw/commons/utils/CommonsDateUtilTest.kt

@@ -0,0 +1,20 @@
+package fr.free.nrw.commons.utils
+
+import org.hamcrest.core.IsEqual.equalTo
+import org.junit.Assert.assertThat
+import org.junit.Test
+
+class CommonsDateUtilTest {
+
+    @Test
+    fun `Iso8601DateFormatTimestamp parses legal date`() {
+        val iso8601DateFormatTimestamp = CommonsDateUtil
+            .getIso8601DateFormatTimestamp()
+        val parsedDate = iso8601DateFormatTimestamp
+            .parse("2020-04-07T14:21:57Z")
+        assertThat(
+            "2020-04-07T14:21:57Z",
+            equalTo(iso8601DateFormatTimestamp.format(parsedDate))
+        )
+    }
+}