Dismiss all view controllers below current view controller swift

Question

I am using a UINavigationController.

Lets say I have these stacks

VC1 -> VC2 -> VC3 
VC1 -> VC3
VC1 -> VC2 -> VC4 -> VC3

In all cases, how can I dismiss all VC's below VC3 when it is the current view controller.

VC3 is connected to a TabBarController if this make a difference.

you want VC3 TabBarController as root View and remove the whole UINavigationController with VC1 and VC2 ? — Amit
– Amit, Commented Aug 1, 2018 at 12:48
you can directly change the root View controller by adding self.view.window?.rootViewController = TabBarController in VC2. — Amit
– Amit, Commented Aug 1, 2018 at 12:51
Since you have navigation controller, what do you mean by "dismiss" the view controllers? Why do you need to do this? — Ahmad F
– Ahmad F, Commented Aug 1, 2018 at 12:52
I dont want the user to swipe back from VC3, but I can't disable the gesture recognizer on individual VC's. I will try your suggestion thank you. — Luca Sarif
– Luca Sarif, Commented Aug 1, 2018 at 12:53

Kamran · Accepted Answer · 2018-08-01 12:58:45Z

2

From VC2, use setViewControllers method to push VC3 and to remove the rest,

self.navigationController?.setViewControllers([VC3], animated: true)

edited Aug 1, 2018 at 12:58

answered Aug 1, 2018 at 12:49

Kamran

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Todor Brachkov · Accepted Answer · 2018-08-01 12:48:28Z

0

You can remove a view controller from the navigation controller stack like that: self.navigationController?.viewControllers.remove(at: index)

answered Aug 1, 2018 at 12:48

Todor Brachkov

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2 Comments

Luca Sarif Over a year ago

sorry i didnt specify in question but the number of VC's below VC3 is ambiguos. There can be 1 view controller or 3 view controllers

Todor Brachkov Over a year ago

In that case all you need to do is just set the VC3 as the only VC, like the answer below. Basically you should set the array by setting setViewControllers with the top most VC in your case the VC3.

Amit · Accepted Answer · 2018-08-01 13:03:00Z

0

In your scenario it's better to change the application's root view from UINavigationController to UITabBarcontroller.

You can achieve that by doing in any VC:

self.view.window?.rootViewController = TabBarController

To know more about it you can check this link:

Changing root view controller of a iOS Window

answered Aug 1, 2018 at 13:03

Amit

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