title: How to find translation of ImageView?
body: <p>I drag Image view in following way.  </p>
  
  <pre><code>matrix.postTranslate(a,b);
  ImageView.setImageMatrix(matrix);
  </code></pre>
  
  <p>I want to find values <code>a</code> and <code>b</code>. I can get ImageView.getImageMatrix, but how to find translated way?</p>