23 lines
523 B
Dart
23 lines
523 B
Dart
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import 'dart:async';
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import 'package:flutter/material.dart';
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class TimerProvider extends ChangeNotifier {
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Timer? _timer;
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bool started = false;
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int get elapsedSeconds => _timer != null ? _timer!.tick : 0;
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void startTimer(Duration duration) {
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started = true;
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_timer = Timer.periodic(const Duration(seconds: 1), ((timer) {
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if (timer.tick >= duration.inSeconds) {
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timer.cancel();
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started = false;
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}
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notifyListeners();
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}));
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}
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void stopTimer() => _timer?.cancel();
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}
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