android秒表计时代码

package com.TestDemo;

import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.widget.TextView;

public class TestDemo extends Activity {
    /** Called when the activity is first created. */
	
	public TimerHandler timerHandler;
	public Timer timer;
	public MyTimerTask  task;
	public int m_nTime = 0;//计时
	public TextView mtimeshow=null;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mtimeshow=(TextView)findViewById(R.id.time_show);
        timer=new Timer(true);
		task=new MyTimerTask(this);		
		timer.schedule(task, 0, 1000 );
		timerHandler = new TimerHandler(this);	
		bindService(null, null, m_nTime);
    }
    
    private class MyTimerTask extends TimerTask
	 {
		 private TestDemo me;
		 public MyTimerTask(TestDemo p)
		 {
			 me=p;			
		 }
		 public void run()
		 {
			 me.m_nTime++;
			 me.timerHandler.sendEmptyMessage(0);			      
		 }
	 }
	 public class TimerHandler extends Handler
	 {
		 private TestDemo me;
		 public TimerHandler(TestDemo m)
		 {
			 me=m;
		 }
		 @Override
		 public void handleMessage(Message msg)
		 {
			 me.mtimeshow.setText(me.m_nTime+"");
		 }
	 }
}

转自：http://blog.csdn.net/windone0109/article/details/5411192