Fix Tab destroy error

core/common.go

@@ -175,10 +175,8 @@ func patchConfig(general *config.General) {
 
 const concurrentCount = math.MaxInt
 
-var wg = sync.WaitGroup{}
-var exit = make(chan struct{})
-
 func hcCompatibleProvider(proxyProviders map[string]provider.ProxyProvider) {
+	wg := sync.WaitGroup{}
 	ch := make(chan struct{}, concurrentCount)
 	for _, proxyProvider := range proxyProviders {
 		proxyProvider := proxyProvider
@@ -186,11 +184,6 @@ func hcCompatibleProvider(proxyProviders map[string]provider.ProxyProvider) {
 			log.Infoln("Start initial Compatible provider %s", proxyProvider.Name())
 			wg.Add(1)
 			ch <- struct{}{}
-			select {
-			case <-exit:
-				return // 收到退出信号，退出协程
-			default:
-			}
 			go func() {
 				defer func() { <-ch; wg.Done() }()
 				if err := proxyProvider.Initial(); err != nil {
@@ -202,13 +195,6 @@ func hcCompatibleProvider(proxyProviders map[string]provider.ProxyProvider) {
 	}
 }
 
-func cancelHc() {
-	close(exit)
-	wg.Wait()
-	exit = make(chan struct{})
-	wg = sync.WaitGroup{}
-}
-
 func applyConfig(isPatch bool) {
 	cfg, err := config.ParseRawConfig(currentConfig)
 	if err != nil {

lib/controller.dart

@@ -236,6 +236,7 @@ class AppController {
   }
 
   healthcheck() {
+    if (globalState.healthcheckLock) return;
     for (final delay in appState.delayMap.entries) {
       setDelay(
         Delay(

lib/fragments/proxies.dart

@@ -83,12 +83,15 @@ class _ProxiesFragmentState extends State<ProxiesFragment>
               groupNames: groupNames,
             );
           },
-          builder: (_, state, __) {
-            if (_tabController != null) {
-              _tabController!.dispose();
-              _tabController = null;
+          shouldRebuild: (prev,next){
+            if(prev.groupNames.length != next.groupNames.length){
+              _tabController?.dispose();
+              _tabController =null;
             }
-            _tabController = TabController(
+            return prev != next;
+          },
+          builder: (_, state, __) {
+            _tabController ??= TabController(
               length: state.groupNames.length,
               vsync: this,
               initialIndex: state.currentIndex,
@@ -118,7 +121,6 @@ class _ProxiesFragmentState extends State<ProxiesFragment>
                     children: [
                       for (final groupName in state.groupNames)
                         KeepContainer(
-                          key: ObjectKey(groupName),
                           child: ProxiesTabView(
                             groupName: groupName,
                           ),

lib/state.dart

@@ -23,6 +23,7 @@ class GlobalState {
   List<Function> updateFunctionLists = [];
   List<NavigationItem> currentNavigationItems = [];
   bool updatePackagesLock = false;
+  bool healthcheckLock = false;
 
   startListenUpdate() {
     if (timer != null && timer!.isActive == true) return;

lib/widgets/clash_message_container.dart

@@ -38,12 +38,15 @@ class _ClashMessageContainerState extends State<ClashMessageContainer>
 
   @override
   void onDelay(Delay delay) {
-    context.appController.setDelay(delay);
+    final appController = context.appController;
+    appController.setDelay(delay);
+    globalState.healthcheckLock = true;
     WidgetsBinding.instance.addPostFrameCallback((_) {
       globalState.updateSortNumDebounce ??= debounce<Function()>(
-        () {
-          context.appController.updateGroups();
-          context.appController.appState.sortNum++;
+        () async {
+          await appController.updateGroups();
+          appController.appState.sortNum++;
+          globalState.healthcheckLock = false;
         },
         milliseconds: 5000,
       );

pubspec.yaml

@@ -1,7 +1,7 @@
 name: fl_clash
 description: A multi-platform proxy client based on ClashMeta, simple and easy to use, open-source and ad-free.
 publish_to: 'none'
-version: 0.7.12
+version: 0.7.13
 environment:
   sdk: '>=3.1.0 <4.0.0'