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Xcode – How to set ScrollView height with different height constrains and self-sizing labels?

I’m building a scrollView page and it has height constraint ( for example 1300 )
But there is labels need to expand each other ( line height = 0 )

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How can i manage scrollView heightConstraint efficient way ?

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2

Answers


  1. 0

    In order to make scrollView Self sizing you have to set this constraints which pins it to borders of view and doesn’t sets certain height for it but instead it uses height of a content inside of scrollView.

    scrollView.translatesAutoresizingMaskIntoConstraints = false
        
        scrollView.topAnchor.constraint(equalTo: view.topAnchor, constant: 0).isActive = true
        scrollView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
        scrollView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
        scrollView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
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  2. 0

    You can also pin a stack view to the scroll view (or to the layout margins of the scroll view) which will allow the resizing according to the content:

    let stackView = UIStackView()
scrollView.addSubview(stackView)
stackView.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
    stackView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor),
    stackView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor),
    stackView.topAnchor.constraint(equalTo: scrollView.topAnchor),
    stackView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor)
])

    Just make sure to provide the intrinsicContentSize for the arranged subviews or at least provide the height for each if you’re using .fill, equalSpacing, or equalCentering for the distribution.

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