title: Android activity - background drawable animated
body: <p>question simple, however haven't found any simple answer for android beginner such as I am...</p>
  
  <p>How can I animate background drawable in android ?</p>
  
  <p>I'd like to achieve the bakcground animation if possible by some simple and easy-tounderstand way.</p>
  
  <p>Thanks a lot for help
  Regards, Bruno</p>
  
  <p>EDIT: After some googling I've managed to accomplish my goal. I've used approach described by hasanghaforian and applied mechanics found in this straight-forward animation example <a href="http://code.google.com/p/android-animation-example/" rel="noreferrer">http://code.google.com/p/android-animation-example/</a></p>