question: public synchronized void start ( ) { if ( isRunning == true ) return ; isRunning = true ; if ( operationHandlerThread == null ) { operationHandlerThread = new HandlerThread ( name , priority ) ; } operationHandlerThread . start ( ) ; operationHandlerThreadHandler = new Handler ( operationHandlerThread . getLooper ( ) ) ; for ( AndroidOperation op : operationQueue ) { op . queueing ( operationHandlerThreadHandler ) ; } operationQueue . clear ( ) ; }
target:  Start Android Operation Queue