从 TabBar Controller 呈现导航控制器

Question

我创建了一个以我的 TabBar 控制器为中心的自定义按钮。我想用它以模态方式呈现连接到导航控制器的视图控制器。但是，我不断收到错误消息，错误提示我无法推送。然而，我不勉强。我在介绍

 func showView() {
    print("We are here ohhh")
    let viewController = self.storyboard?.instantiateViewControllerWithIdentifier("Dashboard")

    //Creating a navigation controller with viewController at the root of the navigation stack.
    let navController = UINavigationController(rootViewController: viewController!)
    self.navigationController?.presentViewController(navController, animated: true, completion: nil)
    //self.presentViewController(navController, animated:true, completion: nil)
}

The Error

Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Pushing a navigation controller is not supported'

Answer 1

您需要这样做：

let navController = UINavigationController(rootViewController: viewController!)
navController.setViewControllers([viewController], animated: true)
self.presentViewController(navController, animated: true, completion: nil)

Answer 2

假设标识符为"Dashboard"的storyboard view controller是UINavigationController，直接present即可：

func showView() {
    let viewController = self.storyboard?.instantiateViewControllerWithIdentifier("Dashboard")
    presentViewController(viewController, animated: true, completion: nil)
}

关闭（从呈现视图控制器）：

dismissViewControllerAnimated(true, completion: {});

关闭（从显示的视图控制器）：

self.presentingViewController.dismissViewControllerAnimated(true, completion: {});

从 TabBar Controller 呈现导航控制器

Presenting a navigation crontroller from TabBar Controller

uitabbarcontroller

uiviewcontroller

ios

swift