title: how to zoom in and zoom out the images in gallery
body: <p>i want to zoom in zoom out the group of images in galleryview.i have done zoom single image using imageview,here i need to zoom gallery view og images.how to do,please help me</p>
  
  <p>gallery.setOnTouchListener(new View.OnTouchListener() {</p>
  
  <pre><code>    @Override
      public boolean onTouch(View v, MotionEvent event) {
  </code></pre>
  
  <p>//here i need the zoom functionality</p>
  
  <pre><code>        return false;
      }
  });
  </code></pre>