iOS 16 - Child controller not respecting safeAreaLayoutGuide

Originator:joao
Number:rdar://FB9997891 Date Originated:
Status:Open Resolved:
Product:UIKit Framework Product Version:iOS 16
Classification:Very High Reproducible:Yes
 
Tested on iOS 15.5 iPhone 13 Pro and it works, it doesn't on iPhone 16. 

Any clue what's going on?

Here's some sample code: 

class ViewController: UIViewController {

    let childController = ChildViewController()

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        view.backgroundColor = .yellow
        
        childController.willMove(toParent: self)
        view.addSubview(childController.view)

        childController.view.translatesAutoresizingMaskIntoConstraints = false
                NSLayoutConstraint.activate([
                    childController.view.topAnchor.constraint(equalTo: view.topAnchor),
                    childController.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
                    childController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
                    childController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor)
                ])
        
        childController.didMove(toParent: self)
    }
}

class ChildViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        let avoidSafeArea = UIView()
        avoidSafeArea.backgroundColor = .green
        
        view.addSubview(avoidSafeArea)
        
        avoidSafeArea.translatesAutoresizingMaskIntoConstraints = false
        NSLayoutConstraint.activate([
            avoidSafeArea.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
            avoidSafeArea.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor),
            avoidSafeArea.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor),
            avoidSafeArea.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor)
        ])
        
    }
}

Comments

Note

Clarifying that this testing happened on Xcode, using simulators.


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