From http://stackoverflow.com/questions/12783571/android-viewpager-change-adapter android viewpager change adapter

viewpager.java

/* Clear all Fragments inside current adapter */
public class MyPagerAdapter extends FragmentPagerAdapter
{
  private ArrayList<Fragment> fragments=new ArrayList<Fragment>();
  //...some stuff

  public void clearAll() //Clear all page
  {
    for(int i=0; i<fragments.size(); i++)
    fragMan.beginTransaction().remove(fragments.get(i)).commit();
    fragments.clear();
  }
}

/* Set current adapter to null */
Constants.VP.removeAllViews();
Constants.VP.setAdapter(null);

/* Assign new adpater for ViewPager */
Constants.PAGER=new MyewPagerAdapter(getSupportFragmentManager());
Constants.VP.setAdapter(Constants.PAGER);