学步园

android秒表计时代码

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