android之HandlerThread种的实现

android之HandlerThread类的实现

package com.ghg.HandlerThread;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.os.Handler;import android.os.HandlerThread;import android.os.Looper;import android.os.Message;/** * 在主线程main中创建handler对象，创建消息，并用handler向工作线程发送消息，在工作线程中处理消息； * 应用环境：比如下载； * @author gaohong * */public class Day1304_HandlerThreadActivity extends Activity {HandlerThread thread;    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                //创建工作线程并启动（工作线程带消息队列）         thread=new HandlerThread("workThread");        thread.start();        Looper looper=thread.getLooper();                //创建Handler对象并与工作线程的消息队列关联        Handler handler=new Handler(looper){        @Override        public void handleMessage(Message msg) {        // TODO Auto-generated method stub        System.out.println("在"+Thread.currentThread().getName()+"中处理消息");        System.out.println("msg.obj="+msg.obj);        }        };                //创建Message对象        Message msg=Message.obtain();        msg.obj="在"+Thread.currentThread().getName()+"线程中发送消息";        handler.sendMessage(msg);    }       @Overrideprotected void onDestroy() {// TODO Auto-generated method stubsuper.onDestroy();thread.quit();}}