How to make a callback between Activity and Fragment?

Question

I have this interface in my activity.

public interface LogoutUser {
    void logout();
}

My fragment implements this interface, so in my fr

Answer 1

Android Fragments - Communicating with Activity

You need to get a reference to your fragment with getFragmentById() or getFragmentByTag()

getFragmentManager().findFragmentById(R.id.example_fragment);