24 lines
680 B
Dart
24 lines
680 B
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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/// 主题模式管理，默认跟随系统（logo 明度均值 245/255，「明亮轻盈」才是品牌主场）。
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class ThemeModeNotifier extends Notifier<ThemeMode> {
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@override
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ThemeMode build() => ThemeMode.system;
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/// 设置主题模式。
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void setThemeMode(ThemeMode mode) {
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state = mode;
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}
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/// 在浅色 / 深色之间切换。
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void toggle() {
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state = state == ThemeMode.dark ? ThemeMode.light : ThemeMode.dark;
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}
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}
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/// 主题模式提供者。
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final themeModeProvider = NotifierProvider<ThemeModeNotifier, ThemeMode>(
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ThemeModeNotifier.new,
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);
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