generated from dellevin/template
280 lines
9.1 KiB
Dart
280 lines
9.1 KiB
Dart
import 'dart:async';
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_localizations/flutter_localizations.dart';
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import 'package:provider/provider.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'pages/home_page.dart';
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import 'utils/theme/app_theme.dart';
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import 'utils/app_router.dart';
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import 'utils/user_prefs.dart';
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import 'utils/changelog_service.dart';
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import 'utils/sync/auto_backup_service.dart';
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import 'utils/sync/server_sync_service.dart';
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import 'utils/usage_stats_service.dart';
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import 'providers/app_provider.dart';
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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await UserPrefs.init();
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final appProvider = AppProvider();
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runApp(MyApp(appProvider: appProvider));
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unawaited(_bootstrap(appProvider));
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}
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/// 启动后台任务：先校验同步状态，再按顺序初始化数据库与主标签，
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/// 保持 UI 先渲染、数据后就绪。
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Future<void> _bootstrap(AppProvider appProvider) async {
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// 数据库优先初始化（不被 sync 阻塞）
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try {
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await appProvider.initDatabase();
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} catch (e) {
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debugPrint('[Startup] 数据库初始化失败: $e');
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}
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appProvider.initMainTabIndex();
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// sync 校验在数据库加载完成后执行（避免阻塞本地数据展示）
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try {
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await _validateSyncOnStartup();
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} catch (e) {
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debugPrint('[Startup] 同步状态校验失败: $e');
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}
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unawaited(_initAutoBackup());
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unawaited(_initUsageStats());
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}
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Future<void> _initAutoBackup() async {
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try {
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final isLocalAutoBackupEnabled = await AutoBackupService.instance.getEnabled();
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if (isLocalAutoBackupEnabled) {
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await AutoBackupService.instance.start();
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}
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} catch (e) {
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print('初始化自动备份失败: $e');
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}
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}
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Future<void> _initUsageStats() async {
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try {
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await UsageStatsService.instance.start();
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} catch (e) {
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print('初始化用户统计失败: $e');
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}
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}
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/// 启动时校验同步激活码：有效则继续，过期/失效则下载数据并关闭同步
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Future<void> _validateSyncOnStartup() async {
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try {
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final prefs = UserPrefs();
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if (!prefs.syncEnabled || prefs.syncServerUrl.isEmpty || prefs.syncActivationCode.isEmpty) {
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return; // 未开启同步，跳过
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}
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debugPrint('[Startup] 校验同步激活码...');
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final result = await ServerSyncService.instance.checkActivation();
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if (result != null && result['valid'] == true) {
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// 激活码有效，更新有效期信息
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await prefs.setSyncExpiresAt(result['expires_at'] ?? '');
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await prefs.setSyncIsPermanent(result['is_permanent'] == true);
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debugPrint('[Startup] 激活码有效，继续同步模式');
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} else {
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// 激活码无效/过期，下载服务端数据并关闭同步
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debugPrint('[Startup] 激活码失效: ${result?['error'] ?? '未知'}，关闭同步并下载数据');
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await ServerSyncService.instance.downloadToLocal();
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await prefs.setSyncEnabled(false);
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debugPrint('[Startup] 已切换到本地模式');
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}
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} catch (e) {
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debugPrint('[Startup] 激活码校验异常: $e');
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}
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}
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class MyApp extends StatefulWidget {
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final AppProvider appProvider;
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const MyApp({super.key, required this.appProvider});
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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> with WidgetsBindingObserver {
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ThemeMode? _lastAppliedTheme;
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bool _updateCheckDone = false;
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final GlobalKey<NavigatorState> _navigatorKey = GlobalKey<NavigatorState>();
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addObserver(this);
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widget.appProvider.loadThemeMode();
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widget.appProvider.addListener(_onThemeChanged);
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_applySystemUI();
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_checkUpdate(); // 不阻塞，完成后自行弹窗
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});
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}
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/// 延迟到首页渲染后再检查版本更新，确保 context 已就绪
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Future<void> _checkUpdate() async {
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if (_updateCheckDone) return;
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_updateCheckDone = true;
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await Future.delayed(const Duration(milliseconds: 500));
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var ctx = _navigatorKey.currentContext;
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if (ctx == null || !ctx.mounted) return;
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try {
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final hasUpdate = await ChangelogService.hasUpdate();
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if (!hasUpdate) return;
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final latestVersion = await ChangelogService.fetchLatestVersion();
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if (latestVersion == null) return;
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final dismissed = UserPrefs().dismissedVersion;
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if (dismissed == latestVersion) return;
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ctx = _navigatorKey.currentContext;
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if (ctx == null || !ctx.mounted) return;
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_showUpdateDialog(ctx, latestVersion);
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} catch (_) {}
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}
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void _showUpdateDialog(BuildContext context, String version) {
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if (!context.mounted) return;
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final colors = Theme.of(context).colorScheme;
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showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: colors.surface,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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title: Row(children: [
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Icon(Icons.system_update_outlined, color: colors.primary, size: 24),
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const SizedBox(width: 10),
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Text('发现新版本', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
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]),
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content: Text('新版本 $version 已发布，是否下载更新？',
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style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
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actions: [
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TextButton(
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onPressed: () {
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UserPrefs().setDismissedVersion(version);
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Navigator.pop(ctx);
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},
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child: Text('不再显示', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.5))),
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),
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const SizedBox(width: 8),
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FilledButton.icon(
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onPressed: () async {
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Navigator.pop(ctx);
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try {
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await launchUrl(Uri.parse('https://mooknote.iletter.top/#/'),
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mode: LaunchMode.externalApplication);
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} catch (_) {
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('链接失效')));
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}
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}
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},
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icon: const Icon(Icons.open_in_browser, size: 18),
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label: const Text('去官网下载'),
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),
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],
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actionsPadding: const EdgeInsets.fromLTRB(16, 8, 16, 12),
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),
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);
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}
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void _onThemeChanged() {
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final current = widget.appProvider.themeMode;
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if (_lastAppliedTheme != current) {
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_applySystemUI();
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}
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}
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void _applySystemUI() {
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final mode = widget.appProvider.themeMode;
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final Brightness brightness;
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switch (mode) {
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case ThemeMode.light: brightness = Brightness.light;
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case ThemeMode.dark: brightness = Brightness.dark;
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case ThemeMode.system: brightness = PlatformDispatcher.instance.platformBrightness;
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}
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_lastAppliedTheme = mode;
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final isDark = brightness == Brightness.dark;
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SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle(
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statusBarColor: Colors.transparent,
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statusBarIconBrightness: isDark ? Brightness.light : Brightness.dark,
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systemNavigationBarColor: isDark ? Colors.black : Colors.white,
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systemNavigationBarIconBrightness: isDark ? Brightness.light : Brightness.dark,
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));
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}
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@override
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void didChangeAppLifecycleState(AppLifecycleState state) {
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if (state == AppLifecycleState.resumed) {
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_applySystemUI();
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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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final iconName = UserPrefs().appIconName;
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return MultiProvider(
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providers: [
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ChangeNotifierProvider.value(value: widget.appProvider),
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],
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child: Consumer<AppProvider>(
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builder: (context, provider, _) {
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return MaterialApp(
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title: 'MookNote',
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debugShowCheckedModeBanner: false,
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theme: AppTheme.lightTheme,
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darkTheme: AppTheme.darkTheme,
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themeMode: provider.themeMode,
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localizationsDelegates: const [
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GlobalMaterialLocalizations.delegate,
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GlobalWidgetsLocalizations.delegate,
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GlobalCupertinoLocalizations.delegate,
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],
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supportedLocales: const [
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Locale('zh', 'CN'),
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Locale('en', 'US'),
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],
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home: const HomePage(),
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navigatorKey: _navigatorKey,
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onGenerateRoute: AppRouter.generateRoute,
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builder: (context, child) {
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return _AppIconWrapper(iconName: iconName, child: child!);
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},
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);
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},
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),
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);
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}
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}
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class _AppIconWrapper extends StatefulWidget {
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final Widget child;
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final String iconName;
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const _AppIconWrapper({required this.child, required this.iconName});
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@override
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State<_AppIconWrapper> createState() => _AppIconWrapperState();
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}
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class _AppIconWrapperState extends State<_AppIconWrapper> {
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@override
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void initState() {
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super.initState();
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_updateSystemIcon();
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}
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Future<void> _updateSystemIcon() async {}
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@override
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Widget build(BuildContext context) {
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return widget.child;
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}
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}
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