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Android倒计时简单实现

用到CountDownTimer这个类,非常简单,只有四个方法,
public final void cancel () //取消后,再次启动会重新开始倒计时
public abstract void onFinish ()
public abstract void onTick (long millisUntilFinished) //onTick的调用是同步的,保证这次调用不会在之前调用完成前发生
public synchronized final CountDownTimer start ()

实例

1         new CountDownTimer(60 * 1000, 1000) {  2             public void onTick(long millisUntilFinished) {  3                 testView.setText("seconds remaining: " + millisUntilFinished / 1000);  4             }  5             public void onFinish() {  6                 testView.setText("done!");  7             }  8          }.start();  

 

Android倒计时简单实现