Clear ImageView in onDestroyView in ViewRedditGalleryImageOrGifFragment and ViewImgurImageFragment.

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewImgurMediaActivity.java

@@ -273,6 +273,7 @@ public class ViewImgurMediaActivity extends AppCompatActivity implements SetAsWa
             }
         });
         viewPager.setAdapter(sectionsPagerAdapter);
+        viewPager.setOffscreenPageLimit(3);
     }
 
     private void setToolbarTitle(int position) {

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewRedditGalleryActivity.java

@@ -128,6 +128,7 @@ public class ViewRedditGalleryActivity extends AppCompatActivity implements SetA
             }
         });
         viewPager.setAdapter(sectionsPagerAdapter);
+        viewPager.setOffscreenPageLimit(3);
     }
 
     private void setToolbarTitle(int position) {

app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewImgurImageFragment.java

@@ -269,4 +269,10 @@ public class ViewImgurImageFragment extends Fragment {
         super.onAttach(context);
         activity = (ViewImgurMediaActivity) context;
     }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        glide.clear(imageView);
+    }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewRedditGalleryImageOrGifFragment.java

@@ -385,8 +385,8 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
     }
 
     @Override
-    public void onDestroy() {
+    public void onDestroyView() {
-        super.onDestroy();
+        super.onDestroyView();
         BigImageViewer.imageLoader().cancelAll();
     }
 }