478 lines
15 KiB
Dart
478 lines
15 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import '../constants/app_constants.dart';
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import '../config/app_config.dart';
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import '../utils/responsive_layout.dart';
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import '../widgets/tabbed_nav_app_bar.dart';
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import 'active/active_search_page.dart';
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import 'active/category_page.dart';
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import 'active/popular_page.dart';
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import 'active/rate.dart';
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import '../services/get/discover_controller.dart';
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import '../services/get/theme_controller.dart';
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import 'home/set/home-load.dart';
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/// 时间: 2025-03-21
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/// 功能: 发现页面
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/// 介绍: 展示发现内容，包括热门话题、推荐内容等
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/// 最新变化: 2026-04-02 支持深色模式
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class DiscoverPage extends StatefulWidget {
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const DiscoverPage({super.key});
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@override
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State<DiscoverPage> createState() => _DiscoverPageState();
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}
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class _DiscoverPageState extends State<DiscoverPage>
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with TickerProviderStateMixin {
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late TabController _tabController;
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final controller = Get.put(DiscoverController());
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late ThemeController _themeController;
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late AnimationController _tipsAnimationController;
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late Animation<double> _tipsAnimation;
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@override
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void initState() {
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super.initState();
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_themeController = Get.find<ThemeController>();
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GlobalTipsManager().init();
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_tabController = TabController(
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length: controller.categories.length,
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vsync: this,
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);
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_tipsAnimationController = AnimationController(
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duration: const Duration(milliseconds: 300),
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vsync: this,
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);
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_tipsAnimation = CurvedAnimation(
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parent: _tipsAnimationController,
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curve: Curves.easeInOut,
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);
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_tipsAnimationController.value = 1.0;
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_tabController.addListener(() {
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setState(() {});
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});
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}
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@override
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void dispose() {
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_tabController.dispose();
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_tipsAnimationController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Obx(() {
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final isDark = _themeController.isDarkModeRx.value;
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return GetBuilder<DiscoverController>(
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builder: (controller) {
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if (!controller.isInitialized.value) {
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return Scaffold(
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backgroundColor: isDark ? const Color(0xFF121212) : Colors.white,
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body: const Center(child: CircularProgressIndicator()),
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);
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}
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return Scaffold(
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backgroundColor: isDark ? const Color(0xFF121212) : Colors.white,
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appBar: TabbedNavAppBar.build(
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title: '发现',
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tabLabels: controller.categories,
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tabController: _tabController,
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backgroundColor: isDark ? Colors.grey[900] : Colors.white,
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foregroundColor: isDark
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? Colors.white
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: _themeController.currentThemeColor,
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leading: controller.categories[_tabController.index] == '热门'
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? _buildInfoButton(context, isDark)
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: null,
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actions: [
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IconButton(
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icon: Icon(
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Icons.search,
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color: isDark ? Colors.white : AppConstants.primaryColor,
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),
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onPressed: _showSearch,
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),
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],
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),
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body: Column(
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children: [
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ValueListenableBuilder<bool>(
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valueListenable: GlobalTipsManager().enabledNotifier,
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builder: (context, isGlobalTipsEnabled, child) {
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if (controller.categories[_tabController.index] != '搜索' &&
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isGlobalTipsEnabled &&
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controller.showTips.value) {
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return _buildTopicChips(controller, isDark);
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}
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return const SizedBox.shrink();
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},
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),
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Expanded(
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child: TabBarView(
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controller: _tabController,
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children: controller.categories.map((category) {
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if (category == '分类') {
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return const CategoryPage();
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}
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if (category == '热门') {
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return const PopularPage();
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}
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if (category == '搜索') {
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return const ActiveSearchPage();
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}
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if (category == '活跃') {
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return const RatePage();
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}
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return _buildContentList(category, controller, isDark);
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}).toList(),
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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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});
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}
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Widget _buildTopicChips(DiscoverController controller, bool isDark) {
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return SizeTransition(
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sizeFactor: _tipsAnimation,
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axisAlignment: -1.0,
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child: FadeTransition(
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opacity: _tipsAnimation,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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color: isDark ? const Color(0xFF1E1E1E) : Colors.grey[50],
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child: Row(
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children: [
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Expanded(
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child: Text(
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'💡 探索更多精彩内容，发现你感兴趣的诗词世界',
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style: TextStyle(
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color: _themeController.currentThemeColor,
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fontSize: 14,
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fontWeight: FontWeight.w400,
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),
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),
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),
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GestureDetector(
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behavior: HitTestBehavior.opaque,
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onTap: () async {
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_tipsAnimationController.reverse();
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await Future.delayed(const Duration(milliseconds: 300));
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controller.toggleTips();
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},
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child: Container(
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width: 30,
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height: 30,
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decoration: BoxDecoration(
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color: isDark
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? Colors.grey[800]
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: Colors.grey.withValues(alpha: 0.1),
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.close,
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size: 16,
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color: isDark ? Colors.grey[400] : Colors.grey[600],
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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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);
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}
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Widget _buildContentList(
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String category,
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DiscoverController controller,
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bool isDark,
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) {
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final items = List.generate(20, (index) => index);
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return RefreshIndicator(
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onRefresh: controller.refreshContent,
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child: ListView.separated(
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// 添加底部内边距，让内容延伸到导航栏下方，实现玻璃效果
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padding: EdgeInsets.only(
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left: 16,
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right: 16,
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top: 16,
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bottom: AppConfig.liquidGlassTotalHeight + 16,
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),
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itemCount: items.length,
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separatorBuilder: (context, index) => const SizedBox(height: 12),
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itemBuilder: (context, index) =>
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_buildContentCard(context, index, category, controller, isDark),
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),
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);
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}
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Widget _buildContentCard(
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BuildContext context,
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int index,
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String category,
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DiscoverController controller,
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bool isDark,
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) {
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return ResponsiveCard(
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onTap: () => controller.showContentDetails(context, index, category),
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backgroundColor: isDark ? const Color(0xFF1E1E1E) : Colors.white,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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CircleAvatar(
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radius: 20,
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backgroundColor: _themeController.currentThemeColor.withValues(
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alpha: 0.1,
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),
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child: Icon(
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Icons.person,
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color: _themeController.currentThemeColor,
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size: 20,
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'用户${index + 1}',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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color: isDark ? Colors.white : Colors.black87,
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),
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),
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Text(
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'${index + 1}小时前',
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style: TextStyle(
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color: isDark ? Colors.grey[400] : Colors.grey[600],
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),
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),
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],
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),
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),
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IconButton(
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icon: Icon(
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Icons.more_horiz,
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color: isDark ? Colors.grey[400] : Colors.grey[600],
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),
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onPressed: () => controller.showMoreOptions(context, index),
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),
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],
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),
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const SizedBox(height: 12),
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Text(
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'这是$category分类下的精彩内容${index + 1}',
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style: TextStyle(
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fontWeight: FontWeight.w600,
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fontSize: 16,
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color: isDark ? Colors.white : Colors.black87,
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),
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),
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const SizedBox(height: 8),
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Text(
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'这里是内容的详细描述，包含了丰富的信息和有趣的内容。这个内容来自于$category分类，展示了最新的趋势和热门话题。',
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style: TextStyle(
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color: isDark ? Colors.grey[400] : Colors.grey[700],
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),
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maxLines: 3,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 12),
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if (index % 3 == 0)
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Container(
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width: double.infinity,
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height: 200,
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decoration: BoxDecoration(
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color: isDark
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? AppConstants.secondaryColor.withValues(alpha: 0.2)
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: AppConstants.secondaryColor.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(12),
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),
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child: Icon(
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Icons.image,
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size: 50,
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color: isDark
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? AppConstants.secondaryColor.withValues(alpha: 0.6)
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: AppConstants.secondaryColor,
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),
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),
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const SizedBox(height: 12),
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Row(
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children: [
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_buildActionButton(
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Icons.favorite_border,
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'${(index + 1) * 23}',
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() => controller.likeContent(index),
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isDark,
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),
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const SizedBox(width: 16),
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_buildActionButton(
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Icons.chat_bubble_outline,
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'${(index + 1) * 8}',
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() => controller.commentContent(index),
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isDark,
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),
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const SizedBox(width: 16),
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_buildActionButton(
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Icons.share,
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'分享',
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() => controller.shareContent(index),
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isDark,
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),
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const Spacer(),
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_buildActionButton(
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Icons.bookmark_border,
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'收藏',
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() => controller.bookmarkContent(index),
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isDark,
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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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Widget _buildActionButton(
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IconData icon,
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String label,
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VoidCallback onPressed,
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bool isDark,
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) {
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return GestureDetector(
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onTap: onPressed,
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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icon,
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size: 18,
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color: isDark ? Colors.grey[400] : Colors.grey[600],
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),
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const SizedBox(width: 4),
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Text(
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label,
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style: TextStyle(
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fontSize: 12,
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color: isDark ? Colors.grey[400] : Colors.grey[600],
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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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void _showSearch() {
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Get.to(const ActiveSearchPage());
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}
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Widget _buildInfoButton(BuildContext context, bool isDark) {
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return Builder(
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builder: (buttonContext) {
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return IconButton(
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icon: Icon(
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Icons.info_outline,
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color: isDark ? Colors.white : _themeController.currentThemeColor,
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),
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onPressed: () => _showHotInfoPopup(buttonContext, isDark),
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);
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},
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);
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}
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void _showHotInfoPopup(BuildContext context, bool isDark) {
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final RenderBox button = context.findRenderObject() as RenderBox;
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final RenderBox overlay =
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Navigator.of(context).overlay!.context.findRenderObject() as RenderBox;
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final Offset buttonPosition = button.localToGlobal(
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Offset.zero,
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ancestor: overlay,
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);
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late OverlayEntry infoOverlayEntry;
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infoOverlayEntry = OverlayEntry(
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builder: (context) => Positioned(
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left: buttonPosition.dx,
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top: buttonPosition.dy + button.size.height + 8,
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child: Material(
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color: Colors.transparent,
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child: GestureDetector(
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onTap: () {
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infoOverlayEntry.remove();
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},
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child: Container(
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width: 220,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: isDark ? const Color(0xFF2A2A2A) : Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: isDark ? 0.4 : 0.15),
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blurRadius: 12,
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offset: const Offset(0, 4),
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(
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Icons.local_fire_department,
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color: _themeController.currentThemeColor,
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size: 20,
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),
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const SizedBox(width: 8),
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Text(
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'热门排行榜',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 14,
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color: isDark ? Colors.white : Colors.black87,
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),
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),
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],
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),
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const SizedBox(height: 8),
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Text(
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'统计开源：来自本软件各个平台的数据，安卓 鸿蒙 web 小程序等平台。',
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style: TextStyle(
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fontSize: 12,
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color: isDark ? Colors.grey[400] : Colors.grey[600],
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height: 1.5,
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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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),
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);
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Overlay.of(context).insert(infoOverlayEntry);
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Future.delayed(const Duration(seconds: 3), () {
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infoOverlayEntry.remove();
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});
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}
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}
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