@Override public Fragment getItem(int position) { switch (position) { case 0: return StaggeredGridFragment.newInstance(position + 1); case 1: return Contact_Frag.newInstance(position + 1); case 2: return Message_Frag.newInstance(position + 1); case 3: // return Contact_Frag.newInstance(position + 1); return Calllog_Frag.newInstance(position + 1); } return null; }