菜鸟Android学习之道12——定时器

代码：

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  
  final Chronometer chro=(Chronometer)findViewById(R.id.chronometer1);
  chro.setBase(SystemClock.elapsedRealtime());//start time
  chro.setFormat("已用时间：%s");//字符串
  chro.start();
  chro.setOnChronometerTickListener(new OnChronometerTickListener() {
   
   @Override
   public void onChronometerTick(Chronometer chronometer) {
    if(SystemClock.elapsedRealtime()-chro.getBase()>= 100000){
     chro.stop();// TODO Auto-generated method stub
    }
    
   }
  });
 }

现象：