onResume() not called on ViewPager fragment when using custom Loader

Question

Short version:

I have a fragment that maintains a ViewPager for displaying two other fragments, let\'s call them FragmentOne a

Answer 1

It appears to be a bug in support library. The change below solves the issue.

// FragmentOne.java

@Override
public void onResume() {
    super.onResume();
    Handler handler = getActivity().getWindow().getDecorView().getHandler();
    handler.post(new Runnable() {
        @Override public void run() {
            // initialize the loader here!
            getLoaderManager().initLoader(0, null, FragmentOne.this);
        }
    });
}

Answer 2

Another workaround that worked for me was to use the MainFragment's loader manager:

getParentFragment().getLoaderManager().initLoader(0, null, this);