Prevent memory leaks

3 files changed, 20 insertions, 0 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/activity/AudioplayerActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/AudioplayerActivity.java
index 66c3205ee..21c81f9e4 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/AudioplayerActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/AudioplayerActivity.java
@@ -111,6 +111,16 @@ public class AudioplayerActivity extends MediaplayerActivity implements NavDrawe
     }
 
     @Override
+    public void onDestroy() {
+        super.onDestroy();
+        // don't risk creating memory leaks
+        navAdapter = null;
+        drawerToggle = null;
+        mPager = null;
+        mPagerAdapter = null;
+    }
+
+    @Override
     protected void chooseTheme() {
         setTheme(UserPreferences.getNoTitleTheme());
     }
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java
index abc9f3d22..513e2f449 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java
@@ -55,6 +55,11 @@ public class ChaptersFragment extends ListFragment implements AudioplayerContent
         }
     }
 
+    public void onDestroy() {
+        super.onDestroy();
+        adapter = null;
+    }
+
     @Override
     public void onDataSetChanged(Playable media) {
         adapter.setMedia(media);
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/CoverFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/CoverFragment.java
index a3e9723ea..e1265d2d3 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/CoverFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/CoverFragment.java
@@ -98,6 +98,11 @@ public class CoverFragment extends Fragment implements
 
     @Override
     public void onDataSetChanged(Playable media) {
+    public void onDestroy() {
+        super.onDestroy();
+        // prevent memory leaks
+        root = null;
+    }
         this.media = media;
         loadMediaInfo();
     }