Refactor: Rename Constants to Follow CamelCase Naming Convention

>Updated all constant variable names to follow the camelCase naming convention, removing underscores in the middle or end.

>Ensured variable names remain descriptive and align with code readability best practices.

app/src/main/java/fr/free/nrw/commons/quiz/QuizController.kt

@@ -14,17 +14,17 @@ class QuizController {
 
     private val quiz: ArrayList<QuizQuestion> = ArrayList()
 
-    private val URL_FOR_SELFIE = "https://i.imgur.com/0fMYcpM.jpg"
-    private val URL_FOR_TAJ_MAHAL = "https://upload.wikimedia.org/wikipedia/commons/1/15/Taj_Mahal-03.jpg"
-    private val URL_FOR_BLURRY_IMAGE = "https://i.imgur.com/Kepb5jR.jpg"
-    private val URL_FOR_SCREENSHOT = "https://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Social_media_app_mockup_screenshot.svg/500px-Social_media_app_mockup_screenshot.svg.png"
-    private val URL_FOR_EVENT = "https://upload.wikimedia.org/wikipedia/commons/5/51/HouseBuildingInNorthernVietnam.jpg"
+    private val urlForSelfie = "https://i.imgur.com/0fMYcpM.jpg"
+    private val urlForTajMahal = "https://upload.wikimedia.org/wikipedia/commons/1/15/Taj_Mahal-03.jpg"
+    private val urlForBlurryImage = "https://i.imgur.com/Kepb5jR.jpg"
+    private val urlForScreenshot = "https://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Social_media_app_mockup_screenshot.svg/500px-Social_media_app_mockup_screenshot.svg.png"
+    private val urlForEvent = "https://upload.wikimedia.org/wikipedia/commons/5/51/HouseBuildingInNorthernVietnam.jpg"
 
     fun initialize(context: Context) {
         val q1 = QuizQuestion(
             1,
             context.getString(R.string.quiz_question_string),
-            URL_FOR_SELFIE,
+            urlForSelfie,
             false,
             context.getString(R.string.selfie_answer)
         )
@@ -33,7 +33,7 @@ class QuizController {
         val q2 = QuizQuestion(
             2,
             context.getString(R.string.quiz_question_string),
-            URL_FOR_TAJ_MAHAL,
+            urlForTajMahal,
             true,
             context.getString(R.string.taj_mahal_answer)
         )
@@ -42,7 +42,7 @@ class QuizController {
         val q3 = QuizQuestion(
             3,
             context.getString(R.string.quiz_question_string),
-            URL_FOR_BLURRY_IMAGE,
+            urlForBlurryImage,
             false,
             context.getString(R.string.blurry_image_answer)
         )
@@ -51,7 +51,7 @@ class QuizController {
         val q4 = QuizQuestion(
             4,
             context.getString(R.string.quiz_screenshot_question),
-            URL_FOR_SCREENSHOT,
+            urlForScreenshot,
             false,
             context.getString(R.string.screenshot_answer)
         )
@@ -60,7 +60,7 @@ class QuizController {
         val q5 = QuizQuestion(
             5,
             context.getString(R.string.quiz_question_string),
-            URL_FOR_EVENT,
+            urlForEvent,
             true,
             context.getString(R.string.construction_event_answer)
         )

app/src/main/java/fr/free/nrw/commons/review/ReviewActivity.kt

@@ -45,12 +45,12 @@ class ReviewActivity : BaseActivity() {
     private var hasNonHiddenCategories = false
     var media: Media? = null
 
-    private val SAVED_MEDIA = "saved_media"
+    private val savedMedia = "saved_media"
 
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         media?.let {
-            outState.putParcelable(SAVED_MEDIA, it)
+            outState.putParcelable(savedMedia, it)
         }
     }
 
@@ -90,8 +90,8 @@ class ReviewActivity : BaseActivity() {
             PorterDuff.Mode.SRC_IN
         )
 
-        if (savedInstanceState?.getParcelable<Media>(SAVED_MEDIA) != null) {
-            updateImage(savedInstanceState.getParcelable(SAVED_MEDIA)!!)
+        if (savedInstanceState?.getParcelable<Media>(savedMedia) != null) {
+            updateImage(savedInstanceState.getParcelable(savedMedia)!!)
             setUpMediaDetailOnOrientation()
         } else {
             runRandomizer()

app/src/main/java/fr/free/nrw/commons/review/ReviewImageFragment.kt

@@ -31,7 +31,7 @@ class ReviewImageFragment : CommonsDaggerSupportFragment() {
     lateinit var sessionManager: SessionManager
 
     // Constant variable used to store user's key name for onSaveInstanceState method
-    private val SAVED_USER = "saved_user"
+    private val savedUser = "saved_user"
 
     // Variable that stores the value of user
     private var user: String? = null
@@ -129,7 +129,7 @@ class ReviewImageFragment : CommonsDaggerSupportFragment() {
                 question = getString(R.string.review_thanks)
 
                 user = reviewActivity.reviewController.firstRevision?.user()
-                    ?: savedInstanceState?.getString(SAVED_USER)
+                    ?: savedInstanceState?.getString(savedUser)
 
                 //if the user is null because of whatsoever reason, review will not be sent anyways
                 if (!user.isNullOrEmpty()) {
@@ -172,7 +172,7 @@ class ReviewImageFragment : CommonsDaggerSupportFragment() {
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         //Save user name when configuration changes happen
-        outState.putString(SAVED_USER, user)
+        outState.putString(savedUser, user)
     }
 
     private val reviewCallback: ReviewController.ReviewCallback

app/src/main/java/fr/free/nrw/commons/settings/SettingsFragment.kt

@@ -85,7 +85,7 @@ class SettingsFragment : PreferenceFragmentCompat() {
     private var languageHistoryListView: ListView? = null
 
     private lateinit var inAppCameraLocationPermissionLauncher: ActivityResultLauncher<Array<String>>
-    private val GET_CONTENT_PICKER_HELP_URL = "https://commons-app.github.io/docs.html#get-content"
+    private val getContentPickerHelpUrl = "https://commons-app.github.io/docs.html#get-content"
 
     private val cameraPickLauncherForResult: ActivityResultLauncher<Intent> =
         registerForActivityResult(StartActivityForResult()) { result ->
@@ -297,7 +297,7 @@ class SettingsFragment : PreferenceFragmentCompat() {
             getString(R.string.ok),
             getString(R.string.read_help_link),
             { },
-            { Utils.handleWebUrl(requireContext(), Uri.parse(GET_CONTENT_PICKER_HELP_URL)) },
+            { Utils.handleWebUrl(requireContext(), Uri.parse(getContentPickerHelpUrl)) },
             null
         )
     }

app/src/main/java/fr/free/nrw/commons/upload/ImageProcessingService.kt

@@ -10,7 +10,6 @@ import fr.free.nrw.commons.utils.ImageUtils.IMAGE_KEEP
 import fr.free.nrw.commons.utils.ImageUtils.IMAGE_OK
 import fr.free.nrw.commons.utils.ImageUtilsWrapper
 import io.reactivex.Single
-import io.reactivex.functions.Function
 import io.reactivex.schedulers.Schedulers
 import org.apache.commons.lang3.StringUtils
 import timber.log.Timber
@@ -26,7 +25,7 @@ class ImageProcessingService @Inject constructor(
     private val fileUtilsWrapper: FileUtilsWrapper,
     private val imageUtilsWrapper: ImageUtilsWrapper,
     private val readFBMD: ReadFBMD,
-    private val EXIFReader: EXIFReader,
+    private val exifReader: EXIFReader,
     private val mediaClient: MediaClient
 ) {
     /**
@@ -94,7 +93,7 @@ class ImageProcessingService @Inject constructor(
      * the presence of some basic Exif metadata.
      */
     private fun checkEXIF(filepath: String): Single<Int> =
-        EXIFReader.processMetadata(filepath)
+        exifReader.processMetadata(filepath)
 
 
     /**

app/src/main/java/fr/free/nrw/commons/utils/SwipableCardView.kt

@@ -23,7 +23,7 @@ abstract class SwipableCardView @JvmOverloads constructor(
 
     private var x1 = 0f
     private var x2 = 0f
-    private val MINIMUM_THRESHOLD_FOR_SWIPE = 100f
+    private val minimumThresholdForSwipe = 100f
 
     init {
         interceptOnTouchListener()
@@ -45,7 +45,7 @@ abstract class SwipableCardView @JvmOverloads constructor(
                     isSwipe = deltaX != 0f
                 }
             }
-            if (isSwipe && pixelToDp(abs(deltaX)) > MINIMUM_THRESHOLD_FOR_SWIPE) {
+            if (isSwipe && pixelToDp(abs(deltaX)) > minimumThresholdForSwipe) {
                 onSwipe(v)
                 return@setOnTouchListener true
             }