fix(*)

Author: liuchuancong

lib/common/global/initialized.dart

@@ -84,11 +84,12 @@ class AppInitializer {
   void initService() {
     Get.put(SettingsService(), permanent: true);
     Get.put(AuthController(), permanent: true);
-    Get.put(FavoriteController(), permanent: true);
-    Get.put(BiliBiliAccountService(), permanent: true);
-    Get.put(PopularController(), permanent: true);
-    Get.put(AreasController(), permanent: true);
-    Get.put(GlobalPlayerState(), permanent: true);
+
+    Get.lazyPut(() => FavoriteController(), fenix: true);
+    Get.lazyPut(() => BiliBiliAccountService(), fenix: true);
+    Get.lazyPut(() => PopularController(), fenix: true);
+    Get.lazyPut(() => AreasController(), fenix: true);
+    Get.lazyPut(() => GlobalPlayerState(), fenix: true);
   }
 
   bool get isInitialized => _isInitialized;

lib/modules/areas/areas_controller.dart

@@ -6,39 +6,58 @@ class AreasController extends GetxController with GetSingleTickerProviderStateMi
   late TabController tabController;
   int index = 0;
   final isCustomSite = false.obs;
-  AreasController() {
+  late List<dynamic> sites;
+
+  @override
+  void onInit() {
+    super.onInit();
+    sites = Sites().availableSites();
+
     final preferPlatform = Get.find<SettingsService>().preferPlatform.value;
-    final pIndex = Sites().availableSites().indexWhere((e) => e.id == preferPlatform);
-    tabController = TabController(
-      initialIndex: pIndex == -1 ? 0 : pIndex,
-      length: Sites().availableSites().length,
-      vsync: this,
-    );
+    final pIndex = sites.indexWhere((e) => e.id == preferPlatform);
     index = pIndex == -1 ? 0 : pIndex;
-    tabController.animation?.addListener(() {
-      var currentIndex = (tabController.animation?.value ?? 0).round();
-      if (index == currentIndex) {
-        return;
-      }
-      index = currentIndex;
-      var controller = Get.find<AreasListController>(tag: Sites().availableSites()[index].id);
-      isCustomSite.value = controller.site.id == 'custom';
-      if (controller.list.isEmpty) {
-        controller.loadData();
-      }
-    });
+
+    tabController = TabController(length: sites.length, vsync: this);
+
+    for (var site in sites) {
+      Get.lazyPut(() => AreasListController(site), tag: site.id);
+    }
+
+    if (index > 0) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        tabController.animateTo(index);
+        _loadCurrentTabData(index);
+      });
+    } else {
+      _loadCurrentTabData(0);
+    }
+
+    tabController.addListener(_handleTabChange);
   }
 
-  @override
-  void onInit() async {
-    for (var site in Sites().availableSites()) {
-      Get.put(AreasListController(site), tag: site.id);
-      var controller = Get.find<AreasListController>(tag: site.id);
-      if (controller.list.isEmpty) {
-        controller.loadData();
+  void _handleTabChange() {
+    if (!tabController.indexIsChanging) {
+      if (index != tabController.index) {
+        index = tabController.index;
+        _loadCurrentTabData(index);
       }
     }
+  }
 
-    super.onInit();
+  void _loadCurrentTabData(int i) {
+    var siteId = sites[i].id;
+    isCustomSite.value = siteId == 'custom';
+    // 只有在真的需要时才去找 Controller 并触发 loadData
+    var listController = Get.find<AreasListController>(tag: siteId);
+    if (listController.list.isEmpty) {
+      listController.loadData();
+    }
+  }
+
+  @override
+  void onClose() {
+    tabController.removeListener(_handleTabChange);
+    tabController.dispose();
+    super.onClose();
   }
 }

lib/modules/popular/popular_controller.dart

@@ -7,40 +7,56 @@ import 'package:pure_live/modules/popular/popular_grid_controller.dart';
 class PopularController extends GetxController with GetSingleTickerProviderStateMixin {
   late TabController tabController;
   int index = 0;
+  late List<dynamic> sites;
+
+  @override
+  void onInit() {
+    super.onInit();
+    sites = Sites().availableSites();
 
-  PopularController() {
     final preferPlatform = Get.find<SettingsService>().preferPlatform.value;
-    final pIndex = Sites().availableSites().indexWhere((e) => e.id == preferPlatform);
-    tabController = TabController(
-      initialIndex: pIndex == -1 ? 0 : pIndex,
-      length: Sites().availableSites().length,
-      vsync: this,
-    );
+    final pIndex = sites.indexWhere((e) => e.id == preferPlatform);
     index = pIndex == -1 ? 0 : pIndex;
 
-    tabController.animation?.addListener(() {
-      var currentIndex = (tabController.animation?.value ?? 0).round();
-      if (index == currentIndex) {
-        return;
-      }
+    tabController = TabController(length: sites.length, vsync: this);
 
-      index = currentIndex;
-      var controller = Get.find<PopularGridController>(tag: Sites().availableSites()[index].id);
+    for (var site in sites) {
+      Get.lazyPut(() => PopularGridController(site), tag: site.id);
+    }
 
-      if (controller.list.isEmpty) {
-        controller.loadData();
-      }
-    });
+    if (index > 0) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        tabController.animateTo(index);
+        _loadDataAtIndex(index);
+      });
+    } else {
+      _loadDataAtIndex(0);
+    }
+
+    tabController.addListener(_handleTabChange);
   }
 
-  @override
-  void onInit() {
-    for (var site in Sites().availableSites()) {
-      var controller = Get.put(PopularGridController(site), tag: site.id);
-      if (controller.list.isEmpty) {
-        controller.loadData();
+  void _handleTabChange() {
+    if (!tabController.indexIsChanging) {
+      if (index != tabController.index) {
+        index = tabController.index;
+        _loadDataAtIndex(index);
       }
     }
-    super.onInit();
+  }
+
+  void _loadDataAtIndex(int i) {
+    var siteId = sites[i].id;
+    var controller = Get.find<PopularGridController>(tag: siteId);
+    if (controller.list.isEmpty) {
+      controller.loadData();
+    }
+  }
+
+  @override
+  void onClose() {
+    tabController.removeListener(_handleTabChange);
+    tabController.dispose();
+    super.onClose();
   }
 }