Auto refreshing an image from the server.

auto_refresh_image

class MyActivity extends android.app.Activity {

private ImageView myImageView;
private void refreshImage() {
//send a request to server on a background thread hopefully
    new Thread(){
    public void run() {
        URL aURL = new URL(URL_TO_DOWNLOAD);
	URLConnection conn = aURL.openConnection();
	conn.connect();
	InputStream is = conn.getInputStream();
	BufferedInputStream bis = new BufferedInputStream(is, 20);
	final Bitmap bitMap = BitmapFactory.decodeStream(bis, null, null);
	bis.close();
	is.close();
        MyActivity.this.runOnUIThread(new Runnable() {
             myImageView.setImageBitmap(bitMap);
             refreshImageComplete();
        });
    }
}.start();
}

//the function to be called when the image download completes.
private void refreshImageComplete() {

        Handler mHandler = new Handler();
	Runnable r = new Runnable() {
				
		@Override
		public void run() {
			refreshImage();
					
		}
	};
//refresh the image for every five seconds
	mHandler.postDelayed(r, 5000);
}