CountDownTimer 使用

 

/**

* 参数：

* 总时间

* 多久触发trick事件

*/

new CountDownTimer(11*1000L,1*1000L) {
           
            @Override
            public void onTick(long millisUntilFinished) {
                tv.setText("seconds remaining: " + millisUntilFinished / 1000);
               
            }
           
            @Override
            public void onFinish() {
                tv.setText("done !");
               
            }
           
           
        }.start();