title: How to set focus to android alert dialog negative button?
body: <p>I have written code to setFocus to ALert Dialog negative button by using requestFocus(). But the button color will not change.I can able to set background image to that button manually.But i need that one directly from native.How to give focus to second button in 
  ALlert Dialog?</p>
  
  <p>Iam sending the code snippet for understanding</p>
  
  <pre><code>alertbox.show();
  alertbox.getButton(AlertDialog.BUTTON_NEGATIVE).requestFocus();
  </code></pre>
  
  <p>Even I tried with </p>
  
  <pre><code>alertbox.show();
  alertbox.getButton(AlertDialog.BUTTON_NEGATIVE).requestFocus(View.FOCUS_FORWARD)
  </code></pre>
  
  <p>Please any one can responde on this query?</p>
  
  <p>Regards,
  Android Developer</p>