@Override
public void onResume() {
super.onResume();
/** observer download change * */
if (downloadObserver == null) downloadObserver = new DownloadChangeObserver();
getContentResolver()
.registerContentObserver(DownloadManagerPro.CONTENT_URI, true, downloadObserver);
updateView();
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(completeReceiver);
}
@Override
public void onPause() {
super.onPause();
getContentResolver().unregisterContentObserver(downloadObserver);
}