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How to render a UIView to a UIImage

Swift version: 5.0

Paul Hudson    @twostraws   

You can render any UIView into a UIImage in just four lines of code, and that even handles drawing all the subviews automatically. Here's the code:

let renderer = UIGraphicsImageRenderer(size: view.bounds.size)
let image = renderer.image { ctx in
    view.drawHierarchy(in: view.bounds, afterScreenUpdates: true)
}

Helpfully, that code works equally well no matter what the view contains - if you're using UIKit, SpriteKit, Metal or whatever, it all works.

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Available from iOS 10.0

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