question: public void startBackgroundFetchService ( ) { LocalNotification n = new LocalNotification ( ) ; n . setId ( BACKGROUND_FETCH_NOTIFICATION_ID ) ; cancelLocalNotification ( BACKGROUND_FETCH_NOTIFICATION_ID ) ; scheduleLocalNotification ( n , System . currentTimeMillis ( ) + getPreferredBackgroundFetchInterval ( ) * 1000 , 0 ) ; }
target:  Starts the background fetch service.