fix(tabs-ios): unable to return to tab after tab with nested frame visited

ADjenkov · ADjenkov · commit 9638f37a2271 · 2019-07-24T14:12:03.000+03:00
diff --git a/tns-core-modules/ui/tabs/tabs.ios.ts b/tns-core-modules/ui/tabs/tabs.ios.ts
@@ -270,6 +270,7 @@ class UIPageViewControllerDataSourceImpl extends NSObject implements UIPageViewC
         // }
 
         (<TabContentItem>prevItem).canBeLoaded = true;
+        owner._loadUnloadTabItems(selectedIndex);
 
         return prevViewController;
     }
@@ -296,6 +297,7 @@ class UIPageViewControllerDataSourceImpl extends NSObject implements UIPageViewC
         // }
 
         (<TabContentItem>nextItem).canBeLoaded = true;
+        owner._loadUnloadTabItems(selectedIndex);
         // nextItem.loadView(nextItem.view);
 
         return nextViewController;
@@ -675,7 +677,6 @@ export class Tabs extends TabsBase {
         toLoad.forEach(index => {
             const item = items[index];
             if (this.isLoaded && items[index]) {
-                (<any>item).canBeLoaded = true;
                 item.loadView(item.view);
             }
         });
@@ -1033,7 +1034,6 @@ export class Tabs extends TabsBase {
         // if (traceEnabled()) {
         //     traceWrite("TabView._onSelectedIndexPropertyChangedSetNativeValue(" + value + ")", traceCategories.Debug);
         // }
-        const that = this;
 
         if (value > -1) {
             const item = this.items[value];
@@ -1056,7 +1056,9 @@ export class Tabs extends TabsBase {
             this._currentNativeSelectedIndex = value;
             this.viewController.setViewControllersDirectionAnimatedCompletion(controllers, navigationDirection, true, (finished: boolean) => {
                 if (finished) {
-                    that._canSelectItem = true;
+                    this._canSelectItem = true;
+                    item.canBeLoaded = true;
+                    this._loadUnloadTabItems(value);
                 }
             });
 
