Merge pull request #8663 from Isira-Seneviratne/Remove_unnecessary_methods

Remove unnecessary methods.

app/src/main/java/org/schabi/newpipe/fragments/list/channel/ChannelFragment.java

@@ -578,17 +578,13 @@ public class ChannelFragment extends BaseListInfoFragment<StreamInfoItem, Channe
     }
 
     private PlayQueue getPlayQueue() {
-        return getPlayQueue(0);
-    }
-
-    private PlayQueue getPlayQueue(final int index) {
         final List<StreamInfoItem> streamItems = infoListAdapter.getItemsList().stream()
                 .filter(StreamInfoItem.class::isInstance)
                 .map(StreamInfoItem.class::cast)
                 .collect(Collectors.toList());
 
         return new ChannelPlayQueue(currentInfo.getServiceId(), currentInfo.getUrl(),
-                currentInfo.getNextPage(), streamItems, index);
+                currentInfo.getNextPage(), streamItems, 0);
     }
 
     /*//////////////////////////////////////////////////////////////////////////

app/src/main/java/org/schabi/newpipe/player/playqueue/AbstractInfoPlayQueue.java

@@ -82,7 +82,7 @@ abstract class AbstractInfoPlayQueue<T extends ListInfo<StreamInfoItem>>
             public void onError(@NonNull final Throwable e) {
                 Log.e(getTag(), "Error fetching more playlist, marking playlist as complete.", e);
                 isComplete = true;
-                append(); // Notify change
+                notifyChange();
             }
         };
     }
@@ -117,7 +117,7 @@ abstract class AbstractInfoPlayQueue<T extends ListInfo<StreamInfoItem>>
             public void onError(@NonNull final Throwable e) {
                 Log.e(getTag(), "Error fetching more playlist, marking playlist as complete.", e);
                 isComplete = true;
-                append(); // Notify change
+                notifyChange();
             }
         };
     }

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueue.java

@@ -257,13 +257,10 @@ public abstract class PlayQueue implements Serializable {
     }
 
     /**
-     * Appends the given {@link PlayQueueItem}s to the current play queue.
-     *
-     * @see #append(List items)
-     * @param items {@link PlayQueueItem}s to append
+     * Notifies that a change has occurred.
      */
-    public synchronized void append(@NonNull final PlayQueueItem... items) {
-        append(List.of(items));
+    public synchronized void notifyChange() {
+        broadcast(new AppendEvent(0));
     }
 
     /**