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34 lines
614 B
34 lines
614 B
import 'dart:async';
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import 'package:flutter/material.dart';
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class ClockTimerProvider extends ChangeNotifier {
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///登录页验证码计时器
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int second = 60;
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bool timerStart = false;
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Timer? timer;
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void startTimer() {
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timerStart = true;
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if (timer != null) {
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return;
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}
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timer = Timer.periodic(Duration(seconds: 1), (timer) {
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if (second > 0) {
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second--;
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notifyListeners();
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} else {
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stopTimer();
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}
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});
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}
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void stopTimer() {
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second = 60;
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timerStart = false;
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timer?.cancel();
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timer = null;
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notifyListeners();
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}
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}
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