120 lines
3.5 KiB
Dart
120 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'pages/battery_health_page.dart';
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import 'services/saf_storage_service.dart';
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// 🆕 1.7.0 全局 Key，用于从子页面切换主题
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final GlobalKey<_MyAppState> appKey = GlobalKey<_MyAppState>();
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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await SafStorageService().init();
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final prefs = await SharedPreferences.getInstance();
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final themeModeIndex = prefs.getInt('themeMode') ?? 0;
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final themeMode =
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ThemeMode.values[themeModeIndex.clamp(0, ThemeMode.values.length - 1)];
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runApp(MyApp(key: appKey, initialThemeMode: themeMode));
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}
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class MyApp extends StatefulWidget {
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final ThemeMode initialThemeMode;
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const MyApp({super.key, required this.initialThemeMode});
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@override
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State<MyApp> createState() => _MyAppState();
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}
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class _MyAppState extends State<MyApp> {
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late ThemeMode _themeMode;
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@override
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void initState() {
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super.initState();
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_themeMode = widget.initialThemeMode;
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}
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void switchTheme(ThemeMode mode) {
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setState(() {
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_themeMode = mode;
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});
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SharedPreferences.getInstance().then((prefs) {
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prefs.setInt('themeMode', mode.index);
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});
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}
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: '电池健康度',
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theme: _lightTheme(),
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darkTheme: _darkTheme(),
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themeMode: _themeMode,
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home: const BatteryHealthPage(),
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debugShowCheckedModeBanner: false,
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);
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}
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ThemeData _lightTheme() {
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return ThemeData(
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fontFamily: 'HarmonyOS_Sans_SC',
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fontFamilyFallback: const ['Flyme'],
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useMaterial3: true,
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brightness: Brightness.light,
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scaffoldBackgroundColor: Colors.white,
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appBarTheme: const AppBarTheme(
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backgroundColor: Colors.white,
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foregroundColor: Colors.black,
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elevation: 0,
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centerTitle: false,
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),
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iconTheme: const IconThemeData(color: Colors.black),
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colorScheme: const ColorScheme.light(
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primary: Color(0xFF1A73E8),
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secondary: Color(0xFF1A73E8),
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surface: Colors.white,
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onSurface: Colors.black, // 🟢 主要文字色
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onSurfaceVariant: Colors.black87,
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),
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textTheme: const TextTheme(
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bodyLarge: TextStyle(color: Colors.black),
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bodyMedium: TextStyle(color: Colors.black87),
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labelLarge: TextStyle(color: Colors.black),
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),
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dividerColor: Colors.grey.shade200,
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);
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}
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ThemeData _darkTheme() {
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return ThemeData(
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fontFamily: 'HarmonyOS_Sans_SC',
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fontFamilyFallback: const ['Flyme'],
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useMaterial3: true,
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brightness: Brightness.dark,
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scaffoldBackgroundColor: const Color(0xFF121212),
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appBarTheme: const AppBarTheme(
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backgroundColor: Color(0xFF1E1E1E),
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foregroundColor: Colors.white,
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elevation: 0,
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centerTitle: false,
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),
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iconTheme: const IconThemeData(color: Colors.white),
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colorScheme: const ColorScheme.dark(
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primary: Color(0xFF4FC3F7),
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secondary: Color(0xFF4FC3F7),
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surface: Color(0xFF121212),
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onSurface: Colors.white, // 🟢 主要文字色（夜间模式为白色）
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onSurfaceVariant: Colors.white70,
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),
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textTheme: const TextTheme(
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bodyLarge: TextStyle(color: Colors.white),
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bodyMedium: TextStyle(color: Colors.white70),
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labelLarge: TextStyle(color: Colors.white),
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),
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dividerColor: Colors.grey.shade800,
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);
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}
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}
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