title: Android ViewPager Refresh fragment
body: <p>In my app there's 2 tabs (Android Design Support Library) this is the Fragment with ViewPagerAdapter:</p>
  
  <pre><code>public class ListaCanali extends Fragment {
  
  public static TabLayout tabLayout;
  public static ViewPager viewPager;
  public static int int_items = 2 ;
  
  @Override
  public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
      View v =inflater.inflate(R.layout.lista_canali, container,false);
  
      //Titolo Fragment
      ((MainActivity) getActivity()).setActionBarTitle("Lista Canali");
  
      //FindViewById
      tabLayout = (TabLayout) v.findViewById(R.id.tabs);
      viewPager = (ViewPager) v.findViewById(R.id.viewpager);
  
      //Funzioni Tab
      viewPager.setAdapter(new MyAdapter(getChildFragmentManager()));
      tabLayout.post(new Runnable() {
          @Override
          public void run() {
              tabLayout.setupWithViewPager(viewPager);
          }
      });
  
      return v;
  }
  
  
  //Adattatore Tab
  class MyAdapter extends FragmentPagerAdapter {
  
      public MyAdapter(FragmentManager fm) {
          super(fm);
      }
  
      @Override
      public Fragment getItem(int position)
      {
          switch (position){
              case 0 : return new FragmentCanali();
              case 1 : return new FragmentPreferiti();
          }
          return null;
      }
  
      public int getCount() {
  
          return int_items;
  
      }
  
      public CharSequence getPageTitle(int position) {
  
          switch (position){
              case 0 :
                  return "Tutti";
              case 1 :
                  return "Preferiti";
          }
          return null;
      }
  </code></pre>
  
  <p>I want my app refresh fragment on Swipe and on click the tabs title because this don't happen, I hope you can help me guys.</p>