feat: added sorting by newest album added

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/AlbumCatalogueAdapter.java

@@ -161,6 +161,10 @@ public class AlbumCatalogueAdapter extends RecyclerView.Adapter<AlbumCatalogueAd
             case Constants.ALBUM_ORDER_BY_RANDOM:
                 Collections.shuffle(albums);
                 break;
+            case Constants.ALBUM_ORDER_BY_RECENTLY_ADDED:
+                albums.sort(Comparator.comparing(AlbumID3::getCreated));
+                Collections.reverse(albums);
+                break;
         }
 
         notifyDataSetChanged();

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/AlbumCatalogueFragment.java

@@ -67,6 +67,7 @@ public class AlbumCatalogueFragment extends Fragment implements ClickCallback {
 
         initAppBar();
         initAlbumCatalogueView();
+        initProgressLoader();
 
         return view;
     }
@@ -124,6 +125,18 @@ public class AlbumCatalogueFragment extends Fragment implements ClickCallback {
         bind.albumListSortImageView.setOnClickListener(view -> showPopupMenu(view, R.menu.sort_album_popup_menu));
     }
 
+    private void initProgressLoader() {
+        albumCatalogueViewModel.getLoadingStatus().observe(getViewLifecycleOwner(), isLoading -> {
+            if (isLoading) {
+                bind.albumListSortImageView.setEnabled(false);
+                bind.albumListProgressLoader.setVisibility(View.VISIBLE);
+            } else {
+                bind.albumListSortImageView.setEnabled(true);
+                bind.albumListProgressLoader.setVisibility(View.GONE);
+            }
+        });
+    }
+
     @Override
     public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
         inflater.inflate(R.menu.toolbar_menu, menu);
@@ -171,6 +184,9 @@ public class AlbumCatalogueFragment extends Fragment implements ClickCallback {
             } else if (menuItem.getItemId() == R.id.menu_album_sort_random) {
                 albumAdapter.sort(Constants.ALBUM_ORDER_BY_RANDOM);
                 return true;
+            } else if (menuItem.getItemId() == R.id.menu_album_sort_recently_added) {
+                albumAdapter.sort(Constants.ALBUM_ORDER_BY_RECENTLY_ADDED);
+                return true;
             }
 
             return false;

app/src/main/java/com/cappielloantonio/tempo/util/Constants.kt

@@ -30,6 +30,7 @@ object Constants {
     const val ALBUM_ORDER_BY_ARTIST = "ALBUM_ORDER_BY_ARTIST"
     const val ALBUM_ORDER_BY_YEAR = "ALBUM_ORDER_BY_YEAR"
     const val ALBUM_ORDER_BY_RANDOM = "ALBUM_ORDER_BY_RANDOM"
+    const val ALBUM_ORDER_BY_RECENTLY_ADDED = "ALBUM_ORDER_BY_RECENTLY_ADDED"
 
     const val ARTIST_DOWNLOADED = "ARTIST_DOWNLOADED"
     const val ARTIST_STARRED = "ARTIST_STARRED"

app/src/main/java/com/cappielloantonio/tempo/viewmodel/AlbumCatalogueViewModel.java

@@ -20,6 +20,7 @@ import retrofit2.Callback;
 
 public class AlbumCatalogueViewModel extends AndroidViewModel {
     private final MutableLiveData<List<AlbumID3>> albumList = new MutableLiveData<>(new ArrayList<>());
+    private final MutableLiveData<Boolean> loading = new MutableLiveData<>(true);
 
     private int page = 0;
     private Status status = Status.STOPPED;
@@ -32,6 +33,10 @@ public class AlbumCatalogueViewModel extends AndroidViewModel {
         return albumList;
     }
 
+    public LiveData<Boolean> getLoadingStatus() {
+        return loading;
+    }
+
     public void loadAlbums() {
         page = 0;
         status = Status.RUNNING;
@@ -52,6 +57,7 @@ public class AlbumCatalogueViewModel extends AndroidViewModel {
             @Override
             public void onLoadMedia(List<?> media) {
                 if (status == Status.STOPPED) {
+                    loading.setValue(false);
                     return;
                 }
 
@@ -62,8 +68,10 @@ public class AlbumCatalogueViewModel extends AndroidViewModel {
 
                 if (media.size() == size) {
                     loadAlbums(size);
+                    loading.setValue(true);
                 } else {
                     status = Status.STOPPED;
+                    loading.setValue(false);
                 }
             }
         }, size, size * page++);

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

@@ -58,6 +58,20 @@
                     app:icon="@drawable/ic_sort_list"
                     app:layout_constraintBottom_toBottomOf="parent"
                     app:layout_constraintEnd_toEndOf="parent" />
+
+                <ProgressBar
+                    android:id="@+id/album_list_progress_loader"
+                    android:layout_width="52dp"
+                    android:layout_height="52dp"
+                    android:layout_marginStart="16dp"
+                    android:layout_marginTop="16dp"
+                    android:layout_marginEnd="16dp"
+                    android:layout_marginBottom="12dp"
+                    android:visibility="visible"
+                    app:layout_constraintBottom_toBottomOf="parent"
+                    app:layout_constraintEnd_toEndOf="parent"/>
+
+
             </androidx.constraintlayout.widget.ConstraintLayout>
         </com.google.android.material.appbar.AppBarLayout>
 

app/src/main/res/menu/sort_album_popup_menu.xml

@@ -12,4 +12,7 @@
     <item
         android:id="@+id/menu_album_sort_random"
         android:title="@string/menu_sort_random" />
+    <item
+        android:id="@+id/menu_album_sort_recently_added"
+        android:title="@string/menu_sort_recently_added" />
 </menu>

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

@@ -153,6 +153,7 @@
     <string name="menu_sort_artist">Artist</string>
     <string name="menu_sort_name">Name</string>
     <string name="menu_sort_random">Random</string>
+    <string name="menu_sort_recently_added">Recently added</string>
     <string name="menu_sort_year">Year</string>
     <string name="player_playback_speed">%1$.2fx</string>
     <string name="player_queue_clean_all_button">Clean play queue</string>