Files
app_flutter/lib/providers/theme.dart
2025-06-27 20:20:51 +08:00

56 lines
1.6 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../models/enum_theme.dart';
import '../config.dart';
const _keyThemeMode = AppSharedPreferencesKey.themeMode;
const _keyUseDynamic = AppSharedPreferencesKey.useDynamicColor;
final themeModeProvider = StateNotifierProvider<ThemeModeNotifier, ThemeModeType>(
(ref) => ThemeModeNotifier(),
);
final useDynamicColorProvider = StateNotifierProvider<UseDynamicColorNotifier, bool>(
(ref) => UseDynamicColorNotifier(),
);
class UseDynamicColorNotifier extends StateNotifier<bool> {
UseDynamicColorNotifier() : super(true) {
_load();
}
Future<void> _load() async {
final prefs = await SharedPreferences.getInstance();
state = prefs.getBool(_keyUseDynamic) ?? AppConfig.useDynamicColor;
}
Future<void> set(bool value) async {
state = value;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool(_keyUseDynamic, value);
}
}
class ThemeModeNotifier extends StateNotifier<ThemeModeType> {
ThemeModeNotifier() : super(ThemeModeType.system) {
_load();
}
Future<void> _load() async {
final prefs = await SharedPreferences.getInstance();
final index = prefs.getInt(_keyThemeMode);
if (index != null) {
state = ThemeModeType.fromIndex(index);
} else state = AppConfig.themeMode;
}
Future<void> set(ThemeModeType mode) async {
state = mode;
final prefs = await SharedPreferences.getInstance();
await prefs.setInt(_keyThemeMode, mode.index);
}
}