package com.handler.cn;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.View;import android.widget.Button;import android.widget.Toast;public class main extends Activity {    private Button myButton01, myButton02;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        myButton01 = (Button) findViewById(R.id.Button01);        myButton02 = (Button) findViewById(R.id.Button02);        myButton01.setOnClickListener(new Button.OnClickListener() {            public void onClick(View v) {                myHandler.sendEmptyMessage(0);            }        });                myButton02.setOnClickListener(new Button.OnClickListener() {            public void onClick(View v) {                Message myMessage = new Message();                myMessage.what = 1;                Bundle myBundle = new Bundle();                myBundle.putString("name", "刘馨妍");                myBundle.putString("number", "1234567890");                myMessage.setData(myBundle);                myHandler.sendMessage(myMessage);            }        });    }    // 创建Handler类的实例    Handler myHandler = new Handler() {        public void handleMessage(Message msg) {            super.handleMessage(msg);            switch (msg.what) {            case 0:                Toast.makeText(main.this, "结果是：" + msg.what, Toast.LENGTH_LONG)                        .show();                break;            case 1:                Bundle myBundle1 = msg.getData();                String myName = myBundle1.getString("name");                String myNumber = myBundle1.getString("number");                Toast.makeText(                        main.this,                        "姓名：" + myName + " ,号码：" + myNumber + " ，结果是："                                + msg.what, Toast.LENGTH_LONG).show();                break;            }        }    };}