CODEWITHSUNDEEP
iosswiftuicontainerview
Anuj Arora
Anuj Arora

Reputation: 3047

Pass Data from ViewController to ChildContainerContainer Swift

I am using Swift. I have 2 ViewControllers a) ParentVC & b) ChildVC. When I instantiate the chidVC, I want to pass some data from Parent to Child. Not sure how. Below is the code

ParentVC

override func viewDidLoad() {
    let controller = storyboard?.instantiateViewControllerWithIdentifier("ChildViewController") as UIViewController!

    //I want to pass some value - For example: controller.id = 3

    addChildViewController(controller)
    containerView.addSubview(controller.view)
    didMoveToParentViewController(controller)      
}

Within Child VC

 var id: Int?

P.S: I definitely want to use "instantiateViewControllerWithIdentifier". I have seen Passing Data Between View Controllers, but thats in ObjC and I am looking for code in Swift as I don't know how to translate it. Also I don't want to use prepareForSegue.

Upvotes: 1

Views: 3070

Answers (2)

truongky
truongky

Reputation: 1147

  • define yourID in child view controller.

  • pass the ID after instantiating 

    let controller = storyboard?.instantiateViewControllerWithIdentifier("ChildViewController") as YourViewController!

controller.yourID = 100

presentViewController(controller, animated:true, completion:nil)

Upvotes: 3

TPlet
TPlet

Reputation: 948

You almost had it. In the instantiation of your ChildViewController you need cast into the class of your ChildViewController not UIViewController, because UIViewController does not have the property.

so replace 

let controller = storyboard?.instantiateViewControllerWithIdentifier("ChildViewController") as UIViewController!

by

let controller = storyboard?.instantiateViewControllerWithIdentifier("ChildViewController") as YourChildViewControllerClass!

Edit:
Now you can set the property like truongky answered: 

controller.yourId = 100

Upvotes: 1

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