getChildFragmentManager () cannot be resolved or cannot be referenced

Question

I know, there are many forum posts on this topic already, but none did solve my issue

My code looks like this:

private SectionsPager         


        

Answer 1

This is probably not the most elegant solution, but in my case I needed the viewpager to be running in its own fragment, while having the toolbar and tablayout reside in the MainAcitivy. Only drawback is that you have to hide the TabLayout manually in other Fragments which not use the Tab/Viewpager.

But this way you can still call getChildFragmentManager from the Fragment.

@Nullable
@Override
public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.fragment_rides_host, container, false);

    viewPager = (ViewPager) v.findViewById(R.id.fm_feed_host_viewpager);

    setupViewPager(viewPager);

    ((MainActivity)getActivity()).mTabLayout.setupWithViewPager(viewPager);

    return v;
}

private void setupViewPager(ViewPager viewPager) {

    ViewPagerAdapter adapter = new ViewPagerAdapter(this.getChildFragmentManager());

    adapter.addFragment(new YourFragment(), "Title");
    adapter.addFragment(...);
    viewPager.setAdapter(adapter);
}