handler之bundle

package com.yanjun;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;

public class HandlerActivity extends Activity {

  @Override
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
    setContentView(R.layout.main); 
       // 通过HandlerThread对象来实现使用looper处理消息队列的功能
    HandlerThread handlerThread = new HandlerThread( "handlerThread");
     // 使线程运行必须调用start()
    handlerThread.start();
    MyHandler myHandler = new MyHandler(handlerThread.getLooper());
    Message message = myHandler.obtainMessage();
     // 把message发送到myHandler.obtainMessage()目标处，即谁调用的就发送给谁
    Bundle bundle = new Bundle();
     // 通过bundle添加数据
    bundle.putInt( "age", 10);
    bundle.putString( "name", "john");
     // 将bundle信息添加进去
    message.setData(bundle);
    message.sendToTarget();
  }

   class MyHandler extends Handler {

     public MyHandler(Looper looper) {
       super(looper);
       // TODO Auto-generated constructor stub
    }

    @Override
     public void handleMessage(Message msg) {
      Bundle bundle = msg.getData();
       int age = bundle.getInt( "age");
      String name = bundle.getString( "name");
      System.out.println( "年龄" + age + "名字" + name); 
          }

  }

}