How to pass data from Fragment to Activity Using Interface
USE CASE: We want to call onBackpressed() method in the Activity when there are no Contents in View Content API Create an interface FragmentToActivity.java public interface FragmentToActivity { void communicate(String comm); } This the Fragment from where we want to send the data MyFavouriteFragment.java private FragmentToActivity mCallback; //Declare the listener @Override public void onAttach(Context context) { super.onAttach(context); try { mCallback = (FragmentToActivity) context; } catch (ClassCastException e) { throw new ClassCastException(context.toString() + " must implement FragmentToActivity"); } } @Override public void onDetach() { mCallback = null; super.onDetach(); } private void sendData(String comm) { mCallback.communicate(comm); } In the Activity (MyFavouriteActivity.java) implement the interface and do your action public class MyFavouriteActivity extends FragmentActivity implements FragmentT
