Swift back button not showing in UINav bar

Question

I have got this simple code in my Swift code

let PostPage = PostView() navigationController?.pushViewController(PostPage, animated: true) class PostView: UIViewController

And this code does what it's supposed to do,which is to show PostView,but when this view is shown i expect that UINavbar's title will be changed and the back button will be shown.But none of that happens

in AppDelegate

window?.rootViewController = UINavigationController(rootViewController: TabNavigator())

The VC in which i call let PostPage = PostView() navigationController?.pushViewController(PostPage, animated: true) — sakoaskoaso
– sakoaskoaso, Commented Aug 7, 2017 at 20:01
can you share the code what you are doing before pushing the PostView controller. also the screen shot of before + after the push? — sarosh mirza
– sarosh mirza, Commented Aug 7, 2017 at 20:03

Dan Loewenherz · Accepted Answer · 2018-04-11 15:19:27Z

It seems like you are changing the rootViewController from NavigationController to a ViewController.

let homeTab = UINavigationController(rootViewController:HomePage()) self.viewControllers = [homeTab]

Thus the rootViewController is no longer a navigationController.

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