private void applyZoom(float zoomRate, int axis) {
   zoomRate = Math.max(zoomRate, 0.9f);
   zoomRate = Math.min(zoomRate, 1.1f);
   if (zoomRate > 0.9 && zoomRate < 1.1) {
     mPinchZoom.setZoomRate(zoomRate);
     mPinchZoom.apply(axis);
   }
 }