private void removeProgressNotificationForDownload(int downloadId){
  mDownloadProgressMap.remove(downloadId);
  mDownloadNotifier.cancelNotification(downloadId);
  removeDownloadIdFromSharedPrefs(downloadId);
}

private void removeProgressNotificationForDownload ( int downloadId ) { mDownloadProgressMap . remove ( downloadId ) ; mDownloadNotifier . cancelNotification ( downloadId ) ; removeDownloadIdFromSharedPrefs ( downloadId ) ; }
cancel the progress notification of download and clear any cached information about this download .
