android handler 传输数据,android--handler的不同线程的创建及数据传输

package com.zlj.handlerTest;

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 handlerTest extends Activity {

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

System.out.println("Activity-->"+Thread.currentThread().getId());

HandlerThread handlerThread = new HandlerThread("handler_thread");

handlerThread.start();

MyHandler myHandler = new MyHandler(handlerThread.getLooper());

Message msg = myHandler.obtainMessage();

Bundle b = new Bundle();

b.putInt("age",20);

b.putString("name", "zhoulingjie");

msg.setData(b);

msg.sendToTarget();

}

class MyHandler extends Handler{

public MyHandler(){

}

public MyHandler(Looper looper){

super(looper);

}

@Override

public void handleMessage(Message msg){

Bundle b = msg.getData();

int age = b.getInt("age");

String name = b.getString("name");

System.out.println("age->" + age +",name-->" + name);

System.out.println("Handler-->" + Thread.currentThread().getId());

System.out.println("handlerMessage");

}

}

}