public boolean start ( final FileDownloadListener listener , final boolean isSerial ) { if ( listener == null ) { FileDownloadLog . w ( this , "Tasks with the listener can't start, because the listener " + "provided is null: [null, %B]" , isSerial ) ; return false ; } return isSerial ? getQueuesHandler ( ) . startQueueSerial ( listener ) : getQueuesHandler ( ) . startQueueParallel ( listener ) ; }
Start the download queue by the same listener .