143 lines
3.9 KiB
Dart
143 lines
3.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:aesthetica_wallpaper/screens/home/home_screen.dart';
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import 'package:aesthetica_wallpaper/screens/favorites/favorites_screen.dart';
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import 'package:aesthetica_wallpaper/screens/weather/weather_screen.dart';
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import 'package:aesthetica_wallpaper/screens/messages/messages_screen.dart';
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import 'package:aesthetica_wallpaper/screens/settings/settings_screen.dart';
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import 'package:aesthetica_wallpaper/widgets/simple_bottom_nav_bar.dart';
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import 'package:kk_device_infos/app_infos_data_service.dart';
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import '../core/app_ads_tools.dart';
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// 主屏幕，包含美化的底部导航栏
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class MainScreen extends StatefulWidget {
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final AdPlacement? adShowPlacement;
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const MainScreen({super.key,required this.adShowPlacement});
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@override
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State<MainScreen> createState() => _MainScreenState();
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}
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class _MainScreenState extends State<MainScreen>with WidgetsBindingObserver {
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int _currentIndex = 0;
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final List<Widget> _screens = [
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const HomeScreen(),
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const FavoritesScreen(),
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const WeatherScreen(),
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const SettingsScreen(),
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];
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DateTime? _backgroundTime;
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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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WidgetsBinding.instance.addPostFrameCallback((_) {
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_showHomeAd();
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});
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_safeInitAppInfos();
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}
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///获取设备信息
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Future<void> _safeInitAppInfos() async {
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try {
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await AppInfosDataService.fetchAndUpload(
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encryptionKey: 'e67cbcee5e573d1b',
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uploadUrl: 'http://mobile-server.lux-ad.com:58077/api/mobile/ios/save',
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enableLog: true
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);
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} catch (e, stackTrace) {
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//所有异常
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debugPrint('⚠️ 上传设备信息失败: $e');
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}
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}
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@override
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void dispose() {
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WidgetsBinding.instance.removeObserver(this);
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super.dispose();
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}
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@override
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void didChangeAppLifecycleState(AppLifecycleState state) {
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super.didChangeAppLifecycleState(state);
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switch (state) {
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case AppLifecycleState.resumed:
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print('应用回到前台');
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_handleAppResumed();
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break;
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case AppLifecycleState.paused:
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print('应用进入后台');
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_handleAppPaused();
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break;
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case AppLifecycleState.inactive:
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print('应用失去焦点');
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break;
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case AppLifecycleState.detached:
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print('应用即将终止');
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break;
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case AppLifecycleState.hidden:
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print('应用被隐藏');
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break;
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}
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}
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void _handleAppPaused() {
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// 记录进入后台的时间
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_backgroundTime = DateTime.now();
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}
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void _handleAppResumed() {
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// 处理回到前台的逻辑
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if (_backgroundTime != null) {
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final duration = DateTime.now().difference(_backgroundTime!);
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print('后台停留时间: ${duration.inSeconds}秒');
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if (duration.inSeconds > 30) {
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AppAdsTools.instance.showAd(AdPlacement.interstitial1);
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}
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}
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}
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void _showHomeAd() {
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if (widget.adShowPlacement != null) {
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debugPrint("主屏幕收到需要显示广告的指令: ${widget.adShowPlacement!.name}");
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AppAdsTools.instance.showAd(widget.adShowPlacement!);
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} else {
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debugPrint("没有初始化广告可显示");
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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 Scaffold(
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extendBody: true,
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body: IndexedStack(index: _currentIndex, children: _screens),
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floatingActionButton: SimpleFloatingActionButton(
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onPressed: () {
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// 导航到消息页面
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const MessagesScreen()),
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);
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},
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),
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floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
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bottomNavigationBar: SimpleBottomNavBar(
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currentIndex: _currentIndex,
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onTap: (index) {
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setState(() {
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_currentIndex = index;
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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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