Java HandlerThread - Handler 组装同步线程池，,public class

Java HandlerThread - Handler 组装同步线程池，,public class

public class TreadTask {    private Handler outHandler;    private Handler inHandler;    private HandlerThread handlerThread;    public TreadTask(Handler handler){        this.outHandler = handler;    }    public void add(Runnable runnable){        if(this.inHandler!=null){            inHandler.post(runnable);        }    }    public void destroy(){        inHandler.removeMessages(0);        handlerThread.quit();        inHandler = null;        outHandler = null;        try {            handlerThread.join();        } catch (InterruptedException e) {            e.printStackTrace();        }        handlerThread = null;    }    public void sendMessage(Message m){        outHandler.sendMessage(m);    }}