IOS-109: Terminating app due to uncaught exception 'NSInvalidArgument…

…Exception' - Pushing controller more than once
Alfresco · Jun 17, 2015 · f897e61 · f897e61
1 parent ee42618
commit f897e61
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/AlfrescoApp/Utils/UniversalDevice.m b/AlfrescoApp/Utils/UniversalDevice.m
@@ -167,6 +167,19 @@ + (void)pushToDisplayViewController:(UIViewController *)viewController usingNavi
     }
     else
     {
+        if (viewController.navigationController)
+        {
+            NSArray *navigationStackControllers = viewController.navigationController.viewControllers;
+            NSMutableArray *mutableNavigationStackControllers = viewController.navigationController.viewControllers.mutableCopy;
+            [navigationStackControllers enumerateObjectsUsingBlock:^(UIViewController *currentController, NSUInteger idx, BOOL *stop) {
+                if (currentController == viewController)
+                {
+                    [mutableNavigationStackControllers removeObject:currentController];
+                }
+            }];
+            viewController.navigationController.viewControllers = mutableNavigationStackControllers;
+        }
+
         [navigationController pushViewController:viewController animated:animated];
     }
 }