customAnimation when calling popBackStack on a FragmentManager

Question

In my activity, with the touch of a button, I replace the current fragment with a new fragment using a custom animation, like in this example.

@Override public boolean onOptionsItemSelected(MenuItem item) {     // Handle presses on the action bar items     switch (item.getItemId()) {         case R.id.action_anomalie:             Fragment contentFragment = getFragmentManager().findFragmentById(R.id.content);              if(contentFragment instanceof AnomalieListFragment)             {                 getFragmentManager().popBackStack();                 return true;             }             else             {                 FragmentTransaction ft = getFragmentManager().beginTransaction();                 ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out);                 anomalieFragment = new AnomalieListFragment();                 ft.replace(R.id.content, anomalieFragment);                 ft.addToBackStack(null);                 ft.commit();             }      ... 

However, popping back the stack doesn't show any animation. Is there a way to specify a custom animation like we do in a FragmentTransaction with the setCustomAnimations method?

Answer 1

After further reading of the documentation, I found that using this signature of setCustomAnimation allowed the animation to be played when pressing the back button or calling getFragmentManager().popBackStack();

I modified my code like this

... FragmentTransaction ft = getFragmentManager().beginTransaction(); ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out, android.R.animator.fade_in, android.R.animator.fade_out); anomalieFragment = new AnomalieListFragment(); ft.replace(R.id.content, anomalieFragment); ft.addToBackStack(null); ft.commit(); ...