106 lines
3.5 KiB
Dart
106 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:package_info_plus/package_info_plus.dart';
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import 'package:provider/provider.dart';
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import 'auth/auth_screen.dart';
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import 'auth/session_store.dart';
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import 'camera/camera_screen.dart';
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import 'container.dart';
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import 'home/home_screen.dart';
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import 'legal/terms_screen.dart';
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import 'models/model_manager.dart';
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import 'payment/paywall_screen.dart';
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import 'update/update_checker.dart';
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import 'update/update_screen.dart';
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class ObserverApp extends StatelessWidget {
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final AppContainer container;
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const ObserverApp({super.key, required this.container});
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@override
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Widget build(BuildContext context) {
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return MultiProvider(
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providers: [
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Provider.value(value: container),
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Provider.value(value: container.sessionStore),
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ChangeNotifierProvider.value(value: container.authViewModel),
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ChangeNotifierProvider.value(value: container.homeViewModel),
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ChangeNotifierProvider.value(value: container.paywallViewModel),
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],
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child: MaterialApp(
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title: '视野',
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theme: ThemeData(
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.green),
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),
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initialRoute: '/gate',
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routes: {
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'/gate': (_) => const StartupGate(),
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'/terms': (_) => const TermsScreen(),
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'/login': (_) => const AuthScreen(),
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'/home': (_) => const HomeScreen(),
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'/paywall': (_) => const PaywallScreen(),
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'/camera': (_) => const CameraScreen(),
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},
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),
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);
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}
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}
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/// 启动门卫：无登录 token → 登录页；已登录 → 主界面（到期状态由主界面展示）
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class StartupGate extends StatefulWidget {
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const StartupGate({super.key});
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@override
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State<StartupGate> createState() => _StartupGateState();
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}
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class _StartupGateState extends State<StartupGate> {
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@override
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void initState() {
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super.initState();
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_check();
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}
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Future<void> _check() async {
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// 首次启动强制协议；同意后不再展示（拒绝则退出应用）
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final accepted = await TermsScreen.readAccepted();
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if (!mounted) return;
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if (accepted != '1') {
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Navigator.of(context).pushReplacementNamed('/terms');
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return;
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}
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// 版本更新检查（公开接口，无需登录态；仅 Android）：服务器版本高于已装
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// 版本即强制更新，弹全屏阻塞页 → 浏览器下载 APK 手动安装
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// （2026-09-03：App 内安装在小米等 ROM 失败，改浏览器下载）
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final info = await UpdateChecker().fetch();
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final current = await PackageInfo.fromPlatform();
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if (!mounted) return;
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final session = context.read<SessionStore>();
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if (UpdateChecker.needsUpdate(info.version, current.version)) {
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Navigator.of(context).pushReplacement(MaterialPageRoute(
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builder: (_) => UpdateScreen(
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version: info.version,
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url: UpdateChecker.downloadUrl(),
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notes: info.notes,
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),
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));
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return;
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}
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final token = await session.readToken();
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if (!mounted) return;
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// 模型热更新：后台拉取模型目录并下载/更新各数据集模型（不阻塞启动，
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// 相机页打开前若未就绪会兜底等待；未下载模型时仅预览）
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ModelManager.instance.refresh();
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Navigator.of(context)
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.pushReplacementNamed(token == null ? '/login' : '/home');
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}
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@override
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Widget build(BuildContext context) {
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return const Scaffold(
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body: Center(child: CircularProgressIndicator()),
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);
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}
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}
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