Swift以编程方式导航到另一个视图控制器/场景 [英] Swift programmatically navigate to another view controller/scene

问题描述

我正在使用以下代码以编程方式导航到另一个ViewController。它工作正常，但有些如何隐藏导航栏。 如何解决此问题？（导航栏是通过在导航控制器中嵌入 ViewController 创建的如果这很重要。）

I'm using following code to programmatically navigate to another ViewController. It works fine, but it some how hides the navigation bar. How do I fix this? (the navigation bar is created by embeding the ViewController in the navigation controller if that matters.)

let storyBoard : UIStoryboard = UIStoryboard(name: "Main", bundle:nil)

let nextViewController = storyBoard.instantiateViewControllerWithIdentifier("nextView") as NextViewController
self.presentViewController(nextViewController, animated:true, completion:nil)

推荐答案

在Swift 3中

使用以编程方式创建的控制器

如果要导航到以编程方式创建的Controller，请执行以下操作：

If you want to navigate to Controller created Programmatically, then do this:

let newViewController = NewViewController()
self.navigationController?.pushViewController(newViewController, animated: true)

使用StoryBoard创建控制器

如果你想用标识符newViewController导航到StoryBoard上的Controller，那么这样做：

If you want to navigate to Controller on StoryBoard with Identifier "newViewController", then do this:

let storyBoard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let newViewController = storyBoard.instantiateViewController(withIdentifier: "newViewController") as! NewViewController
        self.present(newViewController, animated: true, completion: nil)

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