not start gif animation of image when start activity.

[MikhilPastagia]

when start my application, i want to snimate my image using GIFanimateddrawable class... but its not working... my code is below,

try {
little = new GifAnimationDrawable(getResources().openRawResource(R.drawable.pentagonalicositetrahedroncw);
imageGIF.setImageDrawable(little);
((GifAnimationDrawable)imageGIF.getDrawable()).setVisible(true, true);
little.run();
little.setVisible(true, true);
} catch (NotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}