public void show(long downloadID,DownloadStatusListener downloadStatusListener){
  this.downloadID=downloadID;
  listeners.add(downloadStatusListener);
  showDownloadProgress();
}

public void show ( long downloadID , DownloadStatusListener downloadStatusListener ) { this . downloadID = downloadID ; listeners . add ( downloadStatusListener ) ; showDownloadProgress ( ) ; }
this method initialize and shows the downloadprogressview .
