主线程和子线程通讯，主线程用bundle发送数据到子线程

来源：互联网发布：java程序结构解读编辑：程序博客网时间：2024/05/21 07:10

package com.wangcan;import android.os.Bundle;import android.os.Handler;import android.os.HandlerThread;import android.os.Message;import android.app.Activity;import android.util.Log;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity {@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);System.out.println("当前线程的id是："+Thread.currentThread().getId());System.out.println("当前线程的名称是："+Thread.currentThread().getName());HandlerThread htThread=new HandlerThread("myht");htThread.start();Handler mHandler=new Handler(htThread.getLooper()){@Overridepublic void handleMessage(Message msg) {// TODO Auto-generated method stub//super.handleMessage(msg);Bundle b2= msg.getData(); int age= b2.getInt("age"); String name = b2.getString("name"); Log.d("TAG", "age:" + age + ", name:" + name); Log.d("TAG", "handler-->" + Thread.currentThread().getId()); Log.d("TAG", "handleMessage"); }};Message msg = mHandler.obtainMessage(); //将msg发送到目标对象，就是生成该msg的Handler对象 Bundle b = new Bundle();//使用Bundle来传递数据 b.putInt("age", 20); b.putString("name", "John"); msg.setData(b); msg.sendToTarget(); }@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.activity_main, menu);return true;}}

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