@Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
   if (resultCode != Activity.RESULT_OK) {
     return;
   }
   switch (requestCode) {
     case SUBACTIVITY_ACCOUNT_FILTER:
       {
         AccountFilterUtil.handleAccountFilterResult(
             mContactListFilterController, resultCode, data);
       }
       break;
   }
 }
 @Override
 public boolean onMenuItemClick(MenuItem item) {
   AccountFilterUtil.startAccountFilterActivityForResult(
       DialtactsActivity.this, SUBACTIVITY_ACCOUNT_FILTER);
   return true;
 }