private CountDownTimer mCountDownTimer;
private TextView time;
private void requestSendSms() {
if (mCountDownTimer != null) {
return;
} else {
mCountDownTimer = new CountDownTimer(60 * 1000, 1000) {
@Override
public void onTick(long millisUntilFinished) {
time.setText((millisUntilFinished / 1001) + " s");
}
@Override
public void onFinish() {
mCountDownTimer = null;
requestSendSms(); // 重新调用这个方法可以再次进行倒计时不断循环
}
};
}
mCountDownTimer.start();}
不使用的时候可以cancel
mCountDownTimer.cancel()
/**
* 获取验证码
*/
**工具类**
public class VerifyCodeTimeDown extends CountDownTimer {
private TextView btGetVerifyCode;
public VerifyCodeTimeDown(long millisInFuture, long countDownInterval, TextView btGetVerifyCode) {
super(millisInFuture, countDownInterval);
this.btGetVerifyCode = btGetVerifyCode;
}
@Override
public void onTick(long millisUntilFinished) {
btGetVerifyCode.setText(millisUntilFinished / 1000 + "秒");
}
@Override
public void onFinish() {
btGetVerifyCode.setText("重新获取");
btGetVerifyCode.setClickable(true);
}
public void startNow() {
btGetVerifyCode.setClickable(false);
start();
}
}
