@Override
 public void onClick(View view) {
   switch (view.getId()) {
     case R.id.ok:
       {
         mNewFilename =
             ((TextView) getView().findViewById(R.id.user_input)).getText().toString();
         mResult = true;
       }
     case R.id.cancel:
       { // fallthought
         dismiss();
         mListener.onDismiss(this);
       }
   }
 }