public class MainActivity extends Activity {
 
  SectionsPagerAdapter mSectionsPagerAdapter;
  ViewPager mViewPager;
 
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
 
    mSectionsPagerAdapter = new SectionsPagerAdapter(getFragmentManager());
    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mSectionsPagerAdapter);
  }
 
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }
 
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
 
  public class SectionsPagerAdapter extends FragmentPagerAdapter {
 
    public SectionsPagerAdapter(FragmentManager fm) {
      super(fm);
    }
 
    @Override
    public Fragment getItem(int position) {
      switch (position) {
        case 0:
          return new MoviesFragment();
        case 1:
          return new TVShowsFragment();
        case 2:
          return new SongsFragment();
      }
      return null;
    }
 
    @Override
    public int getCount() {
      // Show 3 total pages.
      return 3;
    }
  }
}

public class MoviesFragment extends Fragment {
 
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
               Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.movies_fragment, container, false);
    return rootView;
  }
}