Android Timer 实现方法

package com.ray.test;

import java.util.Timer;
import java.util.TimerTask;

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

public class TestTimer extends Activity {

    Timer timer = new Timer();
    Handler handler = new Handler(){

        public void handleMessage(Message msg) {
            switch (msg.what) {    
            case 1:    
                setTitle("hear me?");
                break;    
            }    
            super.handleMessage(msg);
        }
        
    };
    TimerTask task = new TimerTask(){

        public void run() {
            Message message = new Message();    
            message.what = 1;    
            handler.sendMessage(message);  
        }
        
    };
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        timer.schedule(task, 10000);
    }
}