将另一个视图控制器推入 UITabBarController 视图

发布于 2024-12-03 16:02:39 字数 357 浏览 1 评论 0原文

对于我的应用程序中的导航，我使用 UITabBarController。这工作正常，但在我的一个视图控制器中，我想将另一个视图控制器推入选项卡栏视图。换句话说，我想用另一个视图控制器替换选定的视图控制器。我使用以下代码执行此操作：

self.tabBarController.selectedViewController = self.otherViewController;

TabBarController 中的 viewController 列表不包含 otherViewController。这个技巧在 IOS 4.3 中运行良好，但 IOS 5 不喜欢它。

有谁知道 IOS 5 接受的解决方案吗？

原文

For the navigation in my app I'm using a UITabBarController. This works fine, but in one of my viewcontrollers I want to push another view controller into the tabbar view.
In other words I want to replace the selected viewcontroller with another one.
I'm doing this with the following code:

self.tabBarController.selectedViewController = self.otherViewController;

The list of viewControllers in my TabBarController does not contain the otherViewController.
This trick works fine in IOS 4.3, but IOS 5 does not like it.

Does anyone know a solution which is accepted by IOS 5?

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埋葬我深情 2024-12-10 16:02:39

您想用另一个视图控制器替换选项卡栏中的视图控制器吗？
如果是这样，您必须通过设置一个新属性来编辑选项卡栏中的 viewControllers 属性。它会是这样的：

UIViewController *thisIsTheViewControllerIWantToSetNow;
int indexForViewControllerYouWantToReplace;

NSMutableArray *tabbarViewControllers = [self.tabbar.viewControllers mutableCopy];

[tabbarViewControllers replaceObjectAtIndex:indexForViewControllerYouWantToReplace withObject:thisIsTheViewControllerIWantToSetNow];

self.tabbar.viewControllers = tabbarViewControllers;

[tabbarViewControllers release];

You want to REPLACE that view controller in the tabbar with another view Controller?
If so, you have to edit the viewControllers property in the tabbar by setting a new one. It would be something like:

UIViewController *thisIsTheViewControllerIWantToSetNow;
int indexForViewControllerYouWantToReplace;

NSMutableArray *tabbarViewControllers = [self.tabbar.viewControllers mutableCopy];

[tabbarViewControllers replaceObjectAtIndex:indexForViewControllerYouWantToReplace withObject:thisIsTheViewControllerIWantToSetNow];

self.tabbar.viewControllers = tabbarViewControllers;

[tabbarViewControllers release];

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z祗昰~ 2024-12-10 16:02:39

您不能仅在此选项卡上使用导航控制器或类似控制器吗？

无论如何这应该有效：

NSMutableArray *controllers = [NSMutableArray arrayWithArray:rootTabBarController.viewControllers];
[controllers replaceObjectAtIndex:rootTabBarController.selectedIndex withObject: newController];
rootTabBarController.viewControllers = controllers;

You can't just use a navigation controller or similar on this tab?

Anyway this should work:

NSMutableArray *controllers = [NSMutableArray arrayWithArray:rootTabBarController.viewControllers];
[controllers replaceObjectAtIndex:rootTabBarController.selectedIndex withObject: newController];
rootTabBarController.viewControllers = controllers;

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