Question 68684 in IOS Swift Question posted in
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swift Stack insertSubview & auto refresh layout problem – Ios swift

I would like to click and add subview at: index 3 position. But the constraint not update automatically. how can i refresh the layout when adding subview to uistack?

Thank you for your help very much

@objc func showMoreView() {
        stackView.insertSubview(view3, at: 3)
        stackView.superview?.layoutIfNeeded()
        view.layoutIfNeeded()
    }

Current Layout

 view.addSubview(stackView)
 stackView.addArrangedSubview(view1)       
 stackView.addArrangedSubview(view2)       
 stackView.addArrangedSubview(view4)
 stackView.addArrangedSubview(view5)
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2

Answers


  1. 0

    You need to use

    func insertArrangedSubview(_ view: UIView, at stackIndex: Int)

    like that:

    stackView.insertArrangedSubview(view3, at: 3)

    Documentation here

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  2. 0

    Swift provides the following UIStackView function to insert a view at a specified position:

    func insertArrangedSubview(_ view: UIView, atIndex stackIndex: Int)

    (see the documentation for more information)

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