Android倒计时器

/** 倒计时60秒，一次1秒 */
            CountDownTimer timer = new CountDownTimer(60*1000, 1000) {
                @Override
                public void onTick(long millisUntilFinished) {
                    // TODO Auto-generated method stub
                    textView_time_shengxu.setText("还剩"+millisUntilFinished/1000+"秒");
                }

                @Override
                public void onFinish() {
                    textView_time_shengxu.setText("时间已到,请重新获取验证码!!!");
                }
            }.start();