iOS How to call func from another View Controller Swift

Question

I have one problem, i want call one method from firstVC to seccondVC i try to use such code:

let storyboard: UIStoryboard = UIStoryboard.init(name: "MainScreenVC", bundle: nil)
let firstViewController: MainScreenVC = storyboard.instantiateViewController(withIdentifier: "MainScreenVC") as! MainScreenVC
firstViewController.automatingFullFill()

But immediately i received error, what is wrong?

My error:

'Could not find a storyboard named 'MainScreenVC' in bundle NSBundle

what this function do ? and MainScreenVC is already initiated or this is first time initialisation ? — iOS Geek
– iOS Geek, Commented May 21, 2018 at 6:12
You are giving Storyboard name and viewcontroller as same,make sure that Storyboard name and ViewController name is same . — Malleswari
– Malleswari, Commented May 21, 2018 at 6:16
If you didn't change your storyboard name then it will be 'Main' not MainScreenVC. so use let storyboard: UIStoryboard = UIStoryboard.init(name: "Main", bundle: nil) — Mahendra
– Mahendra, Commented May 21, 2018 at 6:18

Malleswari · Accepted Answer · 2018-05-21 06:25:03Z

2

If you are taking seperate storyboard for every viewcontroller you have to give storyboard name and viewcontroller name .

let storyboard: UIStoryboard = UIStoryboard.init(name: "give storyboard name here ", bundle: nil)
let firstViewController: MainScreenVC = storyboard.instantiateViewController(withIdentifier: "viewcontrollername here") as! MainScreenVC
firstViewController.automatingFullFill()

(OR) You can call it like this also

 let mainScreenVC = UIStoryboard.init(name: "give Storyboard name here", bundle: nil).instantiateViewController(withIdentifier: "viewcontroller") as! MainScreenVC

edited May 21, 2018 at 6:25

answered May 21, 2018 at 6:18

Malleswari

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