How to Navigate from one View Controller to another using Swift

Question

I'd like to navigate from one view controller to another. How can I convert the following Objective-C code into Swift?

UIViewController *viewController = [[self storyboard] instantiateViewControllerWithIdentifier:@"Identifier"];
UINavigationController *navi = [[UINavigationController alloc] initWithRootViewController:viewController];
[self.navigationController pushViewController:navi animated:YES];

Check this : http://stackoverflow.com/a/38244058/1753005 – Jayprakash Dubey Jul 07 '16 at 11:15 — Jayprakash Dubey, Jul 07 '16 at 11:15

score 230 · Accepted Answer · edited Jun 05 '18 at 12:47

230

Create a swift file (SecondViewController.swift) for the second view controller and in the appropriate function type this:

let secondViewController = self.storyboard.instantiateViewControllerWithIdentifier("SecondViewController") as SecondViewController
self.navigationController.pushViewController(secondViewController, animated: true)

Swift 2+

let mapViewControllerObj = self.storyboard?.instantiateViewControllerWithIdentifier("MapViewControllerIdentifier") as? MapViewController
self.navigationController?.pushViewController(mapViewControllerObj!, animated: true)

Swift 4

let vc = UIStoryboard.init(name: "Main", bundle: Bundle.main).instantiateViewController(withIdentifier: "IKDetailVC") as? IKDetailVC
self.navigationController?.pushViewController(vc!, animated: true)

edited Jun 05 '18 at 12:47

Imrul Kayes

618
1
10
17

answered Jun 04 '14 at 13:21

Audrey Sobgou Zebaze

2,840
2
19
9

1

@audrey,Hi, how to set navigationController? – Sanjivani Jun 12 '14 at 05:43
1

@Sanjivani, Hi your view controller can be created with Storyboard and assign your firstViewController as rootViewController.Your navigation Controller (swift) class will look like this: `import UIKit` `class SwiftNavigationController: UINavigationController { init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) { super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil) // Custom initialization }`` override func viewDidLoad() { super.viewDidLoad() }` – Audrey Sobgou Zebaze Jun 12 '14 at 09:09
How do you assign the first view controller as the "rootViewController" ? – Kokodoko Jul 25 '14 at 10:34
Are you using storyboard ? what kind of project template do you have ? – Audrey Sobgou Zebaze Jul 27 '14 at 08:44
3

I also had same problem, I was stuck at how to navigate from one ViewController to another. When I tried this code, I am getting this error: `unexpectedly found nil while unwrapping an Optional value` at second line of your code. Please help – Raghavendra Aug 08 '14 at 06:08
1

I am having an issue with the animated: parameter like so: "Cannot convert the expression's type '$T7??' to type 'BooleanLiteralConvertible'". – Morkrom Dec 29 '14 at 19:11
2

You need to make sure your controllers are embedded in a NavigationController for this to work, otherwise you will get errors. – kakubei Apr 07 '15 at 10:31
@AkashRaghani did you set the Storyboard ID in Storyboard -> identity inspector ? – Audrey Sobgou Zebaze Sep 21 '15 at 15:27
unexpectedly found nil while unwrapping an Optional value – Abhishek Thapliyal Mar 04 '16 at 21:32
Why have you removed the `?` from `self.storyboard`? don't you need to unwrap it? – mfaani Sep 18 '16 at 22:07

score 35 · Answer 2 · edited Oct 03 '16 at 08:05

35

In my experience navigationController was nil so I changed my code to this:

let next = self.storyboard?.instantiateViewControllerWithIdentifier("DashboardController") as! DashboardController
self.presentViewController(next, animated: true, completion: nil)

Don't forget to set ViewController StoryBoard Id in StoryBoard -> identity inspector

edited Oct 03 '16 at 08:05

Forge

6,538
6
44
64

answered May 14 '15 at 22:08

Mojtaba Yeganeh

2,788
1
30
49

3

This is because your view controller wasn't ebbed in a Navigation View Controller. – Francis Reynolds Oct 21 '15 at 18:50

score 18 · Answer 3 · answered Dec 14 '15 at 17:15

If you don't want the back button to appear (which was my case, because I wanted to present after a user logged in) here is how to set the root of the nav controller:

let vc = self.storyboard?.instantiateViewControllerWithIdentifier("YourViewController") as! YourViewController
        let navigationController = UINavigationController(rootViewController: vc)
        self.presentViewController(navigationController, animated: true, completion: nil)

score 16 · Answer 4 · answered Nov 18 '16 at 11:00

16

SWIFT 3.01

let secondViewController = self.storyboard?.instantiateViewController(withIdentifier: "Conversation_VC") as! Conversation_VC
self.navigationController?.pushViewController(secondViewController, animated: true)

answered Nov 18 '16 at 11:00

Yaroslav Dukal

3,894
29
36

score 8 · Answer 5 · edited Oct 06 '17 at 11:21

8

In swift 4.0

var viewController: UIViewController? = storyboard().instantiateViewController(withIdentifier: "Identifier")
var navi = UINavigationController(rootViewController: viewController!)
navigationController?.pushViewController(navi, animated: true)

edited Oct 06 '17 at 11:21

perror

7,071
16
58
85

answered Oct 06 '17 at 10:40

Protocol

1,696
13
30

Naresh · Answer 6 · 2019-01-25T08:48:16.067

In Swift 4.1 and Xcode 10

Here AddFileViewController is second view controller.

Storyboard id is AFVC

let next = self.storyboard?.instantiateViewController(withIdentifier: "AFVC") as! AddFileViewController
self.present(next, animated: true, completion: nil)

//OR

//If your VC is DashboardViewController
let dashboard = self.storyboard?.instantiateViewController(withIdentifier: "DBVC") as! DashboardViewController
self.navigationController?.pushViewController(dashboard, animated: true)

If required use thread.

Ex:

DispatchQueue.main.async { 
    let next = self.storyboard?.instantiateViewController(withIdentifier: "AFVC") as! AddFileViewController
    self.present(next, animated: true, completion: nil) 
}

If you want move after some time.

EX:

//To call or execute function after some time(After 5 sec)
DispatchQueue.main.asyncAfter(deadline: .now() + 5.0) {
    let next = self.storyboard?.instantiateViewController(withIdentifier: "AFVC") as! AddFileViewController
    self.present(next, animated: true, completion: nil) 
}

Shanu Singh · Answer 7 · 2020-05-13T06:37:49.523

5

let storyBoard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let home = storyBoard.instantiateViewController(withIdentifier: "HOMEVC") as! HOMEVC
navigationController?.pushViewController(home, animated: true);

edited May 13 '20 at 06:37

answered Jan 07 '19 at 11:31

Shanu Singh

365
3
16

i think it's not Swift or Objc syntax – SPatel Jan 07 '19 at 11:57

score 3 · Answer 8 · answered Aug 05 '17 at 10:59

Swift 3

let secondviewController:UIViewController =  self.storyboard?.instantiateViewController(withIdentifier: "StoryboardIdOfsecondviewController") as? SecondViewController

self.navigationController?.pushViewController(secondviewController, animated: true)

score 3 · Answer 9 · edited Aug 28 '17 at 06:04

3

In swift 3

let nextVC = self.storyboard?.instantiateViewController(withIdentifier: "NextViewController") as! NextViewController        
self.navigationController?.pushViewController(nextVC, animated: true)

edited Aug 28 '17 at 06:04

General Failure

2,421
4
23
49

answered Aug 28 '17 at 05:30

Zeeshan

51
5

score 2 · Answer 10 · edited Aug 28 '17 at 06:34

2

let objViewController = self.storyboard?.instantiateViewController(withIdentifier: "ViewController") as! ViewController
self.navigationController?.pushViewController(objViewController, animated: true)

edited Aug 28 '17 at 06:34

Pang

9,564
146
81
122

answered Aug 09 '17 at 05:54

Davender Verma

21
2

Could you please explain shortly what your code does, why it solves the problem and how it's different from all the other answers. – JJJ Aug 09 '17 at 06:14
here i am using storyboard id as identifier . Via the reference (objViewController) push the control to the View Controller class – Davender Verma Aug 09 '17 at 12:06

score 2 · Answer 11 · answered Jul 15 '19 at 08:02

2

Swift 5

Use Segue to perform navigation from one View Controller to another View Controller:

performSegue(withIdentifier: "idView", sender: self)

This works on Xcode 10.2.

answered Jul 15 '19 at 08:02

Jerry Chong

7,954
4
45
40

type of segue ? – Grenoblois Mar 27 '20 at 19:44

Rashid Latif · Answer 12 · 2022-10-18T13:21:14.663

Better practices Swift 5.0

More reusable and readable

Create a protocol

protocol Storyboarded { }

Now create an extension of the protocol

extension Storyboarded where Self: UIViewController {
    
    static func instantiateFromMain() -> Self {
        let storyboardIdentifier = String(describing: self)
        // `Main` can be your stroyboard name.
        let storyboard = UIStoryboard(name: "Main", bundle: Bundle.main)
        
        guard let vc = storyboard.instantiateViewController(withIdentifier: storyboardIdentifier) as? Self else {
            fatalError("No storyboard with this identifier ")
        }
        return vc
    }
}
// Make a ViewController extension to use on all of your ViewControllers
extension UIViewController: Storyboarded {}

How to use

  let vc = MyViewController.instantiateFromMain()
  //here you can pass any data to the next view controller. for example we have a variable with name `myString` in our next view contoller and we want to pass the data my `self viewController`
  vc.myString = "This string passed by MyViewController"
  self.navigationController?.pushViewController(vc, animated: true)

Note:- You need to give the same identifier on the storyboard as your UIViewController class has. Check the example below

@Pramod Shukla Confirm protocol `Storyboarded` on your ViewController and you will be able to use it. Or make a view controller extension something like this `extension UIViewController: Storyboarded {}` — Rashid Latif, Oct 18 '22 at 13:19
@pramod-shukla I also updated my answer you can use it accordingly — Rashid Latif, Oct 18 '22 at 13:22

score 2 · Answer 13 · answered Nov 02 '21 at 06:41

For Swift 4 & 5 Users can use this way

Swift 5

 let storyBoard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
 let vc = storyBoard.instantiateViewController(withIdentifier: "YourViewController") as! YourViewController
 self.navigationController?.pushViewController(vc, animated: true)

Swift 4

let vc = UIStoryboard.init(name: "Main", bundle: Bundle.main).instantiateViewController(withIdentifier: "YourViewController") as? YourViewController 
self.navigationController?.pushViewController(vc!, animated: true)

score 1 · Answer 14 · answered Sep 24 '18 at 11:26

Swift 4

You can switch the screen by pushing navigation controller first of all you have to set the navigation controller with UIViewController

let vc = self.storyboard?.instantiateViewController(withIdentifier: "YourStoryboardID") as! swiftClassName

self.navigationController?.pushViewController(vc, animated: true)

score 1 · Answer 15 · answered Oct 08 '19 at 22:06

In AppDelegate you can write like this...

var window: UIWindow?

fileprivate let navigationCtrl = UINavigationController()

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    // Override point for customization after application launch.
    self.createWindow()

    self.showLoginVC()

    return true
}

func createWindow() {
    let screenSize = UIScreen.main.bounds
    self.window = UIWindow(frame: screenSize)
    self.window?.backgroundColor = UIColor.white
    self.window?.makeKeyAndVisible()
    self.window?.rootViewController = navigationCtrl
}

func showLoginVC() {
    let storyboardBundle = Bundle.main
    // let storyboardBundle = Bundle(for: ClassName.self) // if you are not using main application, means may be you are crating a framework or library you can use this statement instead
    let storyboard = UIStoryboard(name: "LoginVC", bundle: storyboardBundle)
    let loginVC = storyboard.instantiateViewController(withIdentifier: "LoginVC") as! LoginVC
    navigationCtrl.pushViewController(loginVC, animated: false)
}

David K · Answer 16 · 2021-07-17T14:33:43.033

-1

Update for Swift 5:

    let next = self.storyboard?.instantiateViewController(withIdentifier: "SecondViewController") as! SecondViewController

    self.present(next, animated: true, completion: nil)

Don't forget to update the Storyboard ID for both View Controllers!

edited Jul 17 '21 at 14:33

answered Jul 17 '21 at 13:52

David K

73
4

you know, Swift is on version 5.4. – vikingosegundo Jul 17 '21 at 14:00

How to Navigate from one View Controller to another using Swift

16 Answers16

Swift 2+

Swift 4

Linked

Related