Android SupportMapFragment can't see map inside a fragment
I'm trying to add a SupportMapFragment into a FrameLayout in my code but i get a Null Pointer Exeption. My Code: MainFragment: public class MainFragment extends FragmentActivity{ @Override protected void onCreate(Bundle arg0) { super.onCreate(arg0); setContentView(R.layout.activity_main); FragmentTransaction ft = getSupportFragmentManager().beginTransaction(); ft = getSupportFragmentManager().beginTransaction(); SecondFragment second = new SecondFragment(); ft.add(R.main_activity.frame, second); ft.addToBackStack(null); ft.commit(); } } SecondFragment: public class SecondFragment extends