Merge branch 'enhancement/95-remember-scroll-positions' into 'develop'

#95: Remember scroll positions in list views

Closes #95

See merge request funkwhale/funkwhale-android!103

app/src/main/java/audio/funkwhale/ffa/adapters/AlbumsAdapter.kt

@@ -19,6 +19,10 @@ class AlbumsAdapter(
   private val listener: OnAlbumClickListener
 ) : FFAAdapter<Album, AlbumsAdapter.ViewHolder>() {
 
+  init {
+    this.stateRestorationPolicy = StateRestorationPolicy.PREVENT_WHEN_EMPTY
+  }
+
   interface OnAlbumClickListener {
     fun onClick(view: View?, album: Album)
   }

app/src/main/java/audio/funkwhale/ffa/adapters/ArtistsAdapter.kt

@@ -42,6 +42,8 @@ class ArtistsAdapter(
         super.onItemRangeInserted(positionStart, itemCount)
       }
     })
+
+    this.stateRestorationPolicy = StateRestorationPolicy.PREVENT_WHEN_EMPTY
   }
 
   override fun getItemCount() = active.size

app/src/main/java/audio/funkwhale/ffa/adapters/FavoritesAdapter.kt

@@ -30,6 +30,10 @@ class FavoritesAdapter(
   val fromQueue: Boolean = false
 ) : FFAAdapter<Track, FavoritesAdapter.ViewHolder>() {
 
+  init {
+    this.stateRestorationPolicy = StateRestorationPolicy.PREVENT_WHEN_EMPTY
+  }
+
   interface OnFavoriteListener {
     fun onToggleFavorite(id: Int, state: Boolean)
   }

app/src/main/java/audio/funkwhale/ffa/adapters/PlaylistsAdapter.kt

@@ -20,6 +20,10 @@ class PlaylistsAdapter(
   private val listener: OnPlaylistClickListener
 ) : FFAAdapter<Playlist, PlaylistsAdapter.ViewHolder>() {
 
+  init {
+    this.stateRestorationPolicy = StateRestorationPolicy.PREVENT_WHEN_EMPTY
+  }
+
   interface OnPlaylistClickListener {
     fun onClick(holder: View?, playlist: Playlist)
   }

app/src/main/java/audio/funkwhale/ffa/adapters/RadiosAdapter.kt

@@ -27,6 +27,10 @@ class RadiosAdapter(
   private val listener: OnRadioClickListener
 ) : FFAAdapter<Radio, RadiosAdapter.ViewHolder>() {
 
+  init {
+    this.stateRestorationPolicy = StateRestorationPolicy.PREVENT_WHEN_EMPTY
+  }
+
   interface OnRadioClickListener {
     fun onClick(holder: RowRadioViewHolder, radio: Radio)
   }

app/src/main/java/audio/funkwhale/ffa/adapters/TracksAdapter.kt

@@ -35,6 +35,10 @@ class TracksAdapter(
   val fromQueue: Boolean = false
 ) : FFAAdapter<Track, TracksAdapter.ViewHolder>() {
 
+  init {
+    this.stateRestorationPolicy = StateRestorationPolicy.PREVENT_WHEN_EMPTY
+  }
+
   interface OnFavoriteListener {
     fun onToggleFavorite(id: Int, state: Boolean)
   }

changes/changelog.d/95.bugfix

@@ -0,0 +1 @@
+Remember scroll positions in list views (Artists/Albums/...) (#95)