get the latest fragment in backstack

Question

How can I get the latest fragment instance added in backstack (if I do not know the fragment tag & id)?

FragmentManager fragManager = activity.getSupportFragmentManager(); FragmentTransaction fragTransacion = fragMgr.beginTransaction();  /****After add , replace fragments    (some of the fragments are add to backstack , some are not)***/  //HERE, How can I get the latest added fragment from backstack ?? 

Answer 1

You can use the getName() method of FragmentManager.BackStackEntry which was introduced in API level 14. This method will return a tag which was the one you used when you added the Fragment to the backstack with addTobackStack(tag).

int index = getActivity().getFragmentManager().getBackStackEntryCount() - 1 FragmentManager.BackStackEntry backEntry = getFragmentManager().getBackStackEntryAt(index); String tag = backEntry.getName(); Fragment fragment = getFragmentManager().findFragmentByTag(tag); 

You need to make sure that you added the fragment to the backstack like this:

fragmentTransaction.addToBackStack(tag);