FragmentPagerAdapter.BaseFragmentPagerAdapter.BaseFragmentPagerAdapter(FragmentManager, Context) with null
context.FragmentStatePagerAdapter.BaseFragmentStatePagerAdapter.BaseFragmentStatePagerAdapter(FragmentManager, Context) with null
context.PagerAdapter implementation that represents each page as a Fragment that is
persistently kept in the fragment manager as long as a user can return to the page.PagerAdapter implementation that represents each page as a Fragment.Fragment associated with the specified position.Fragment associated with the specified position.BaseFragmentPagerAdapter.setPrimaryItem(ViewGroup, int, Object).BaseFragmentStatePagerAdapter.setPrimaryItem(ViewGroup, int, Object).FragmentPagerAdapter
and FragmentStatePagerAdapter from the
Android support repository.