Fix memory leaks (#6335)

app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java

@@ -230,6 +230,14 @@ public class MainActivity extends CastEnabledActivity {
         }
     }
 
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (drawerLayout != null) {
+            drawerLayout.removeDrawerListener(drawerToggle);
+        }
+    }
+
     private void checkFirstLaunch() {
         SharedPreferences prefs = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
         if (prefs.getBoolean(PREF_IS_FIRST_LAUNCH, true)) {

app/src/main/java/de/danoeh/antennapod/fragment/CompletedDownloadsFragment.java

@@ -73,12 +73,13 @@ public class CompletedDownloadsFragment extends Fragment
     private SpeedDialView speedDialView;
     private SwipeActions swipeActions;
     private ProgressBar progressBar;
+    private MaterialToolbar toolbar;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
                              @Nullable Bundle savedInstanceState) {
         View root = inflater.inflate(R.layout.simple_list_fragment, container, false);
-        MaterialToolbar toolbar = root.findViewById(R.id.toolbar);
+        toolbar = root.findViewById(R.id.toolbar);
         toolbar.setTitle(R.string.downloads_label);
         toolbar.inflateMenu(R.menu.downloads_completed);
         inflateSortMenu(toolbar);
@@ -168,6 +169,10 @@ public class CompletedDownloadsFragment extends Fragment
     public void onDestroyView() {
         EventBus.getDefault().unregister(this);
         adapter.endSelectMode();
+        if (toolbar != null) {
+            toolbar.setOnMenuItemClickListener(null);
+            toolbar.setOnLongClickListener(null);
+        }
         super.onDestroyView();
     }
 

app/src/main/java/de/danoeh/antennapod/fragment/FeedInfoFragment.java

@@ -196,7 +196,7 @@ public class FeedInfoFragment extends Fragment implements MaterialToolbar.OnMenu
         Log.d(TAG, "Language is " + feed.getLanguage());
         Log.d(TAG, "Author is " + feed.getAuthor());
         Log.d(TAG, "URL is " + feed.getDownload_url());
-        Glide.with(getContext())
+        Glide.with(this)
                 .load(feed.getImageUrl())
                 .apply(new RequestOptions()
                         .placeholder(R.color.light_gray)
@@ -204,7 +204,7 @@ public class FeedInfoFragment extends Fragment implements MaterialToolbar.OnMenu
                         .fitCenter()
                         .dontAnimate())
                 .into(imgvCover);
-        Glide.with(getContext())
+        Glide.with(this)
                 .load(feed.getImageUrl())
                 .apply(new RequestOptions()
                         .placeholder(R.color.image_readability_tint)

app/src/main/java/de/danoeh/antennapod/fragment/ItemFragment.java

@@ -297,9 +297,9 @@ public class ItemFragment extends Fragment {
                         new RoundedCorners((int) (8 * getResources().getDisplayMetrics().density)))
                 .dontAnimate();
 
-        Glide.with(getActivity())
+        Glide.with(this)
                 .load(item.getImageLocation())
-                .error(Glide.with(getActivity())
+                .error(Glide.with(this)
                         .load(ImageResourceUtils.getFallbackImageLocation(item))
                         .apply(options))
                 .apply(options)

app/src/main/java/de/danoeh/antennapod/fragment/QueueFragment.java

@@ -251,6 +251,10 @@ public class QueueFragment extends Fragment implements MaterialToolbar.OnMenuIte
             recyclerAdapter.endSelectMode();
         }
         recyclerAdapter = null;
+        if (toolbar != null) {
+            toolbar.setOnMenuItemClickListener(null);
+            toolbar.setOnLongClickListener(null);
+        }
     }
 
     private void refreshToolbarState() {

core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java

@@ -311,6 +311,7 @@ public class PlaybackService extends MediaBrowserServiceCompat {
         unregisterReceiver(audioBecomingNoisy);
         mediaPlayer.shutdown();
         taskManager.shutdown();
+        EventBus.getDefault().unregister(this);
     }
 
     @Override