How can I access getSupportFragmentManager() in a fragment?

I have a FragmentActivity and I want to use a map fragment within it. I’m having a problem getting the support fragment manager to access it. if (googleMap == null) { googleMap = ((SupportMapFragment) getSupportFragmentManager() .findFragmentById(; // check if map is created successfully or not if (googleMap == null) { Toast.makeText(getApplicationContext(), “Sorry! unable to create … Read more

How do I make WRAP_CONTENT work on a RecyclerView

I have a DialogFragment that contains a RecyclerView (a list of cards). Within this RecyclerView are one or more CardViews that can have any height. I want to give this DialogFragment the correct height based on the CardViews that are contained within. Normally this would be simple, I would set wrap_content on the RecyclerView like … Read more

How to implement a ViewPager with different Fragments / Layouts

When I start an activity which implements viewpager, the viewpager created various fragments. I want to use different layouts for each fragment, but the problem is that viewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1). Here is the code for SwipeActivity which implements the viewpager … Read more

Android. Fragment getActivity() sometimes returns null

In developer console error reports sometimes I see reports with NPE issue. I do not understand what is wrong with my code. On emulator and my device application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called. Activity pulic class MyActivity extends FragmentActivity{ private ViewPager pager; … Read more

onCreateOptionsMenu inside Fragments

I have placed setHasOptionsMenu(true) inside onCreateView, but I still can’t call onCreateOptionsMenu inside fragments. @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { setHasOptionsMenu(true); return inflater.inflate(R.layout.facesheet, container, false); } Below is my onCreateOptionsMenu code. @Override public boolean onCreateOptionsMenu(com.actionbarsherlock.view.Menu menu) { getSupportMenuInflater().inflate(, menu); return (super.onCreateOptionsMenu(menu)); } The error message I get: The method onCreateOptionsMenu(Menu) of … Read more

getActivity() returns null in Fragment function

I have a fragment (F1) with a public method like this public void asd() { if (getActivity() == null) { Log.d(“yes”,”it is null”); } } and yes when I call it (from the Activity), it is null… FragmentTransaction transaction1 = getSupportFragmentManager().beginTransaction(); F1 f1 = new F1(); transaction1.replace(, f1); transaction1.commit(); f1.asd(); It must be something that … Read more

Fragment onResume() & onPause() is not called on backstack

I have multiple fragment inside an activity. On a button click I am starting a new fragment, adding it to backstack. I naturally expected the onPause() method of current Fragment and onResume() of new Fragment to be called. Well it is not happening. public class LoginFragment extends Fragment{ @Override public View onCreateView(LayoutInflater inflater, ViewGroup … Read more