修复hds底栏主题色初始化

lib/pages/common/common_page.dart

@@ -48,13 +48,13 @@ abstract class CommonPageState<T extends StatefulWidget> extends State<T> {
       case .forward:
         _showTopBar?.value = true;
         _showBottomBar?.value = true;
-        if (_mainController.useNativeTabs && Pref.hideBottomBar) {
+        if (_mainController.useNativeTabs.value && Pref.hideBottomBar) {
           HarmonyChannel.setShellBarsScrollHidden(false);
         }
       case .reverse:
         _showTopBar?.value = false;
         _showBottomBar?.value = false;
-        if (_mainController.useNativeTabs && Pref.hideBottomBar) {
+        if (_mainController.useNativeTabs.value && Pref.hideBottomBar) {
           HarmonyChannel.setShellBarsScrollHidden(true);
         }
       case _:
@@ -82,7 +82,7 @@ abstract class CommonPageState<T extends StatefulWidget> extends State<T> {
       final scrollDelta = notification.scrollDelta ?? 0;
       if (pixel < 0.0 && scrollDelta > 0) return false;
       // 同步原生 HDS 底栏滚动显隐
-      if (_mainController.useNativeTabs && Pref.hideBottomBar) {
+      if (_mainController.useNativeTabs.value && Pref.hideBottomBar) {
         HarmonyChannel.setShellBarsScrollHidden(
           _barOffset!.value > Style.topBarHeight / 2,
         );

lib/pages/main/controller.dart

@@ -62,7 +62,7 @@ class MainController extends GetxController
 
   /// 鸿蒙原生 HDS 底栏（API >= 23 时由原生渲染液态玻璃页签栏）
   /// 修改设置后需重启应用生效
-  bool useNativeTabs = false;
+  final RxBool useNativeTabs = false.obs;
 
   final useSideBar = Pref.useSideBar;
   final mainTabBarView = Pref.mainTabBarView;
@@ -142,7 +142,7 @@ class MainController extends GetxController
     final apiVersion = await HarmonyChannel.getDeviceInfo();
     final enableHdsBar = Pref.enableHdsBar;
     final useNative = apiVersion != null && apiVersion >= 23 && enableHdsBar;
-    useNativeTabs = useNative;
+    useNativeTabs.value = useNative;
     HarmonyChannel.setShellBars(useNativeTabs: useNative);
   }
 

lib/pages/main/view.dart

@@ -46,6 +46,8 @@ class _MainAppState extends PopScopeState<MainApp>
   final _mainController = Get.put(MainController());
   late final _setting = GStorage.setting;
   late EdgeInsets _padding;
+  /// 缓存当前主题主色值，供 ever 回调读取
+  int _primaryColorValue = 0;
 
   @override
   bool get initCanPop => false;
@@ -54,6 +56,14 @@ class _MainAppState extends PopScopeState<MainApp>
   void initState() {
     super.initState();
     addObserverMobile(this);
+    // 监听 useNativeTabs 异步赋值（_initHdsBar 完成时触发）
+    ever(_mainController.useNativeTabs, (_) {
+      if (_mainController.useNativeTabs.value && _primaryColorValue != 0) {
+        HarmonyChannel.setTabSelectedColor(
+          '#${_primaryColorValue.toRadixString(16).padLeft(8, '0').substring(2)}',
+        );
+      }
+    });
     if (PlatformUtils.isDesktop) {
       windowManager
         ..addListener(this)
@@ -81,11 +91,12 @@ class _MainAppState extends PopScopeState<MainApp>
     if (!_mainController.useSideBar) {
       _mainController.useBottomNav = MediaQuery.sizeOf(context).isPortrait;
     }
+    // 缓存主题主色，供 ever 回调在 useNativeTabs 异步就绪后补发
+    _primaryColorValue = Theme.of(context).colorScheme.primary.value;
     // 同步主题色到 ArkTS HdsTabs 底栏
-    if (_mainController.useNativeTabs) {
-      final primary = Theme.of(context).colorScheme.primary;
+    if (_mainController.useNativeTabs.value) {
       HarmonyChannel.setTabSelectedColor(
-        '#${primary.value.toRadixString(16).padLeft(8, '0').substring(2)}',
+        '#${_primaryColorValue.toRadixString(16).padLeft(8, '0').substring(2)}',
       );
     }
   }
@@ -279,13 +290,13 @@ class _MainAppState extends PopScopeState<MainApp>
     }
   }
 
-  Widget? get _bottomNav {
-    // 非响应式读取：useNativeTabs 仅在冷启动时由 _initHdsBar 设置，
-    // 修改设置后需重启生效，避免 Obx 包裹 Scaffold 导致无限重建
-    if (_mainController.useNativeTabs) {
-      return null;
+  Widget get _bottomNav {
+    // 响应式读取：useNativeTabs 由 _initHdsBar 异步赋值，
+    // Obx 仅包裹底栏部分，避免包裹 Scaffold 导致无限重建
+    if (_mainController.useNativeTabs.value) {
+      return const SizedBox.shrink();
     }
-    Widget? bottomNav = _mainController.navigationBars.length > 1
+    final Widget bottomNav = _mainController.navigationBars.length > 1
         ? _mainController.enableMYBar
               ? Obx(
                   () => NavigationBar(
@@ -322,8 +333,8 @@ class _MainAppState extends PopScopeState<MainApp>
                         .toList(),
                   ),
                 )
-        : null;
-    if (bottomNav != null && _mainController.hideBottomBar) {
+        : const SizedBox.shrink();
+    if (_mainController.hideBottomBar) {
       if (_mainController.barOffset case final barOffset?) {
         return Obx(
           () => FractionalTranslation(
@@ -462,7 +473,7 @@ class _MainAppState extends PopScopeState<MainApp>
         ),
         child: child,
       ),
-      bottomNavigationBar: _bottomNav,
+      bottomNavigationBar: Obx(() => _bottomNav),
     );
 
     if (PlatformUtils.isMobile) {

pubspec.yaml

@@ -17,7 +17,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
 # update when release
-version: 2.0.2+5227
+version: 2.0.2+5229
 
 environment:
   sdk: ">=3.11.1"