Give user a toast after adding media file to the gallery.

vector/src/main/java/im/vector/riotx/core/utils/ExternalApplicationsUtil.kt

@@ -260,7 +260,7 @@ fun shareMedia(context: Context, file: File, mediaMimeType: String?) {
     }
 }
 
-fun saveMedia(context: Context, file: File, title: String, mediaMimeType: String?) {
+fun saveMedia(context: Context, file: File, title: String, mediaMimeType: String?): Boolean {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
         val externalContentUri: Uri
         val values = ContentValues()
@@ -301,6 +301,7 @@ fun saveMedia(context: Context, file: File, title: String, mediaMimeType: String
         context.contentResolver.insert(externalContentUri, values)?.let { uri ->
             context.contentResolver.openOutputStream(uri)?.use { outputStream ->
                 outputStream.sink().buffer().write(file.inputStream().use { it.readBytes() })
+                return true
             }
         }
     } else {
@@ -309,7 +310,9 @@ fun saveMedia(context: Context, file: File, title: String, mediaMimeType: String
             mediaScanIntent.data = Uri.fromFile(file)
             context.sendBroadcast(mediaScanIntent)
         }
+        return true
     }
+    return false
 }
 
 /**

vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt

@@ -1164,12 +1164,17 @@ class RoomDetailFragment @Inject constructor(
                 object : MatrixCallback<File> {
                     override fun onSuccess(data: File) {
                         if (isAdded) {
-                            saveMedia(
+                            val saved = saveMedia(
                                     context = requireContext(),
                                     file = data,
                                     title = action.messageContent.body,
                                     mediaMimeType = getMimeTypeFromUri(requireContext(), data.toUri())
                             )
+                            if (saved) {
+                                Toast.makeText(requireContext(), R.string.media_file_added_to_gallery, Toast.LENGTH_LONG).show()
+                            } else {
+                                Toast.makeText(requireContext(), R.string.error_adding_media_file_to_gallery, Toast.LENGTH_LONG).show()
+                            }
                         }
                     }
                 }

vector/src/main/res/values/strings_riotX.xml

@@ -21,7 +21,8 @@
 
 
     <!-- BEGIN Strings added by Onuray -->
-
+    <string name="media_file_added_to_gallery">Media file added to the Gallery</string>
+    <string name="error_adding_media_file_to_gallery">Could not add media file to the Gallery</string>
     <!-- END Strings added by Onuray -->