// complete the OnGestureListener interface
 @Override
 public boolean onSingleTapUp(MotionEvent ev) {
   if (mRemoveEnabled && mRemoveMode == CLICK_REMOVE) {
     if (mClickRemoveHitPos != MISS) {
       mDslv.removeItem(mClickRemoveHitPos - mDslv.getHeaderViewsCount());
     }
   }
   return true;
 }