@Override
public void onDestroy() {
super.onDestroy();
// Close adapter.
if (adapter != null) adapter.close();
// Close Realm.
if (realm != null) {
realm.close();
realm = null;
}
if (actionMode != null) actionMode.finish();
}
/**
* Uses the current view options to change the card layout currently in use. Preserves the
* position currently scrolled to in the list before switching adapters.
*/
private void changeCardType() {
// Store the current last visible item position so that we can scroll back to it after switching
// adapters.
int currLastVisPos = recyclerView.getLayoutManager().findLastCompletelyVisibleItemPosition();
// Swap the adapter
if (adapter != null) adapter.close();
adapter = makeAdapter();
recyclerView.setAdapter(adapter);
// Scroll back to the same position.
if (currLastVisPos != RecyclerView.NO_POSITION)
recyclerView.getRecyclerView().scrollToPosition(currLastVisPos);
}