初始化

2026-09-15 15:44:13 +07:00
commit a23ba685e9
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+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:get/get.dart';
+import 'package:hgdj/hj_page/short_video/short_main_video_page.dart';
+import 'package:hgdj/tools_base/widget/lazy_indexed_stack.dart';
+
+import '../../alert/vip_guide/guide_push_banner.dart';
+import '../../config/config.dart';
+import '../../main.dart';
+import '../ai/ai_home_page.dart';
+import '../community/community_main_page_page/community_main_page.dart';
+import '../home/dark_home_page.dart';
+import '../home/home_main_page.dart';
+import '../home/widget/home_txt_marquee.dart';
+import '../mine/home_mine_page.dart';
+import 'drama_tip_bubble.dart';
+import 'main_logic.dart';
+import 'main_tabbar.dart';
+
+class MainPage extends StatefulWidget {
+  static const routeName = '/MainPage';
+
+  const MainPage({super.key});
+
+  @override
+  State<MainPage> createState() => _MainPageState();
+}
+
+class _MainPageState extends State<MainPage> with RouteAware {
+  // 懒加载：MainPage 可能在 binding 未跑时就被构造，
+  // 用 getter 让 logic 只在 build 访问时才 Get.find，避免构造期 not found 崩溃
+  MainPageLogic get logic => Get.find<MainPageLogic>();
+
+  @override
+  void initState() {
+    super.initState();
+    GuidePushBanner.start(); //进 app 满3分钟后开始推 VIP「特享内容」横幅
+    DramaTipBubble.start(); //「AI爽剧来袭」引导气泡，装机维度只亮一次
+  }
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    final route = ModalRoute.of(context);
+    if (route != null) routeObserver.subscribe(this, route);
+  }
+
+  /// 二级页面/弹窗关闭回到本页：满3分钟后每次都拉一次「特享内容」，有数据就弹横幅
+  @override
+  void didPopNext() {
+    super.didPopNext();
+    GuidePushBanner.onBackToMainPage();
+  }
+
+  @override
+  void dispose() {
+    routeObserver.unsubscribe(this);
+    GuidePushBanner.stop(); //退登/重进流程销毁本页时，别留着定时任务空跑
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return PopScope(
+      canPop: false,
+      onPopInvokedWithResult: (didPop, _) {
+        if (didPop) return;
+        if (logic.confirmExit()) SystemNavigator.pop();
+      },
+      child: Scaffold(
+        resizeToAvoidBottomInset: false,
+        body: Column(
+          children: [
+            Expanded(
+              child: Stack(
+                fit: StackFit.expand,
+                children: [
+                  _buildPages(),
+                  //引导气泡贴着底栏上沿，尾巴指短剧 tab
+                  const Positioned(
+                      left: 0, right: 0, bottom: 0, child: DramaTipBubble()),
+                ],
+              ),
+            ),
+            const MainPageTabbar(),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildPages() {
+    return Obx(() {
+      final cur = logic.curPageIndex.value;
+      return LazyIndexedStack(
+        index: cur,
+        children: [
+          // 主页
+          Stack(
+            fit: StackFit.expand,
+            children: [
+              const HomeMainPage(),
+              _bottomMarquee(),
+            ],
+          ),
+          // 短视频
+          Obx(() => ShortVideoMainPage(index: logic.shortIndex.value)),
+          // 暗网
+          if (Config.darkWebEnable)
+            Obx(() => DarkHomePage(defaultId: logic.darkInitTabId.value)),
+          // AI
+          const AiHomePage(),
+          // 社区
+          Stack(
+            children: [
+              Obx(
+                () => CommunityMainPage(
+                  index: logic.communityIndex.value,
+                  subTabIndex: logic.communitySubIndex.value,
+                ),
+              ),
+              _bottomMarquee(),
+            ],
+          ),
+          // 我的（IndexedStack 天然保活，不需要 keepAlive）
+          const HomeMinePage(),
+        ],
+      );
+    });
+  }
+
+  /// 首页/社区底部的文字跑马灯
+  Widget _bottomMarquee() {
+    return Positioned(
+      bottom: 0,
+      left: 0,
+      right: 0,
+      child: HomeTxtMarQuee(typeValue: 1),
+    );
+  }
+}