28 lines
910 B
Dart
28 lines
910 B
Dart
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import 'package:flutter/widgets.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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/// Provides the current AppLifecycleState.
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/// Using this instead of a periodic timer ensures we only re-check time-based logic
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/// when the user actually comes back to the app (battery efficient).
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///
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/// This is a simple notifier that updates whenever the app lifecycle changes.
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class AppLifecycleNotifier extends Notifier<AppLifecycleState> with WidgetsBindingObserver {
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@override
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AppLifecycleState build() {
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WidgetsBinding.instance.addObserver(this);
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ref.onDispose(() {
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WidgetsBinding.instance.removeObserver(this);
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});
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return AppLifecycleState.resumed;
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}
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@override
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void didChangeAppLifecycleState(AppLifecycleState state) {
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this.state = state;
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}
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}
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final appLifecycleProvider = NotifierProvider<AppLifecycleNotifier, AppLifecycleState>(
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AppLifecycleNotifier.new,
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);
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