[Android] 倒數計時器(countdown timer)

 
import android.os.CountDownTimer;
MyCount timerCount;

public class TryCountdown extends Activity {
 public void onCreate(Bundle savedInstanceState) {

  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  timerCount =  new MyCount(5*1000, 1000);  //倒數5秒
  timerCount.start(); //開始倒數

  public class MyCount extends CountDownTimer {

   public MyCount(long millisInFuture, long countDownInterval) {
    super(millisInFuture, countDownInterval);
   }
   @Override
    public void onFinish() {
     // 倒數結束時,會執行這裡
   }
   @Override
    public void onTick(long millisUntilFinished) {

   } 
  }  // end of MyCount

 }