Programmatically navigate to another view controll

Question

I got an error message during navigating from first view controller to second view controller. My coding is like this one

let vc = LoginViewController(nibName: "LoginViewController", bundle: nil)
self.navigationController?.pushViewController(vc, animated: true)

The problem is I always got this kind of error message

2014-12-09 16:51:08.219 XXXXX[1351:60b] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Could not load NIB in bundle: 'NSBundle </var/mobile/Applications/FDC7AA0A-4F61-47E7-955B-EE559ECC06A2/XXXXX.app> (loaded)' with name 'LoginViewController''
*** First throw call stack:
(0x2efcaf0b 0x39761ce7 0x2efcae4d 0x31b693f9 0x31ac1eaf 0x3191e365 0x317fe895 0x318a930d 0x318a9223 0x318a8801 0x318a8529 0x318a8299 0x318a8231 0x317fa305 0x3147631b 0x31471b3f 0x314719d1 0x314713e5 0x314711f7 0x3146af1d 0x2ef96039 0x2ef939c7 0x2ef93d13 0x2eefe769 0x2eefe54b 0x33e6b6d3 0x3185d891 0x4ccc8 0x4cd04 0x39c5fab7)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)

Answer 1

You can move from one scene to another programmatically using below code :

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

  let objSomeViewController = storyBoard.instantiateViewControllerWithIdentifier(“storyboardID”) as! SomeViewController

  // If you want to push to new ViewController then use this
  self.navigationController?.pushViewController(objSomeViewController, animated: true)

  // ---- OR ----

  // If you want to present the new ViewController then use this
  self.presentViewController(objSomeViewController, animated:true, completion:nil) 

Here storyBoardID is value that you set to scene using Interface Builder. This is shown below :

Answer 2

You can do navigation between view controllers using code with the help of storyboard and storyboardId of the view controller. This code is for Swift 3:

let signUpVC = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "SignUp")
self.navigationController?.pushViewController(signUpVC, animated: true)

Answer 3

Try this one. Here "LoginViewController" is the storyboardID specified in storyboard.

See below

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

Answer 4

Swift 4.0.3

 @IBAction func registerNewUserButtonTapped(_ sender: Any) {

        print("---------------------------registerNewUserButtonTapped --------------------------- ");

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

        let nextViewController = storyBoard.instantiateViewController(withIdentifier: "RegisterNewUserViewController") as! RegisterNewUserViewController
        self.present(nextViewController, animated:true, completion:nil)

    }

Change our Controller Name RegisterNewUserViewController

Answer 5

XCODE 9.2 AND SWIFT 3.0

ViewController to NextViewcontroller without Segue Connection

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

or

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

Answer 6

I'm not sure try below steps,i think may be error occurs below reasons.

• you rename some files outside XCode. To solve it remove the files from your project and re-import the files in your project.
• check and add missing Nib file in Build phases->Copy bundle resources.finally check the nib name spelling, it's correct, case sensitive.
• check the properties of the .xib/storyboard files in the file inspector ，the property "Target Membership" pitch on the select box,then your xib/storyboard file was linked with your target.
• such as incorrect type of NIB.Right click on the file and click "Get Info" to verify that the type is what you would expect.