import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:tsacdop/local_storage/key_value_storage.dart'; class SettingState extends ChangeNotifier { KeyValueStorage storage = KeyValueStorage('themes'); int _theme; int get theme => _theme; void setTheme(int theme) { _theme = theme; notifyListeners(); _saveTheme(theme); } @override void addListener(VoidCallback listener) { super.addListener(listener); _getTheme(); } _getTheme() async { _theme = await storage.getTheme(); } _saveTheme(theme) async { await storage.saveTheme(theme); } }