Move a view inside a view controller

Question

I have a View controller and stack views set up as follows. Inside a Stack View, I have buttons.

I have a Player class inside the view controller and I have a function in it to move a card. I need my busViewButton to move on top of BtnP1A and I tried to achieve it as follows:

class GameViewController: UIViewController, Alertable {
    @IBOutlet weak var btnP1A: UIButton!
    @IBOutlet weak var btnP1B: UIButton!
    var p1 = Player(n:"P1")
    
    func start() -> Void{
        p1.buttonA = btnP1A
        p1.buttonB = btnP1B
        p1.vc = self
    }
.....

    
    public class Player: Alertable{
        var buttonA:UIButton!
        var buttonB:UIButton!
        weak var vc: GameViewController! = nil

.....
        func move() -> Void{
            var busFrame = self.vc.busViewButton.frame
            
            //self.buttonA is BtnP1A
            let frameA = self.buttonA.superview?.convert(self.buttonA.frame.origin, to: nil)
            
            busFrame.origin.y = frameA!.y
            busFrame.origin.x = frameA!.x
            
            self.vc.busViewButton.frame = busFrame
        }
.....
    }
}

But this does not update the position correctly, the new position is different to the position of BtnP1A. Am I not getting the relative position correctly?

UPDATE:

It has something to do with being called from the nested class. Because, when a similar animation is called from the View Controller class, it works, but when moved inside the Player class, it does not work.

Maybe something like this could be of help hackingwithswift.com/example-code/uikit/… BTW no need to add -> Void when declaring your functions they return Void by default. — Waylan Sands
– Waylan Sands, Commented Jan 12, 2021 at 9:29

ONDER GULER · Accepted Answer · 2021-01-14 05:21:19Z

1

try this p1.buttonA.isHidden = true

If you make the visibility of the contents false in stackviews, the other views will go to the top or elsewhere (of course depends on your constraints).

edited Jan 14, 2021 at 5:21

answered Jan 12, 2021 at 9:40

ONDER GULER

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