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Reply to Why is there no UIHostingView?
There is, only it is not a public API. _UIHostingView The underscore prefix means it is not public API. But it works if you try it out. However, I would not recommend using it, because there is a reason it is not public, and you will possibly bury mines in your code if you use it.
Jul ’23
Reply to Is it possible to use new Observation Framework with UIKit?
You can, here is a very simplified example // Apple documentation // https://developer.apple.com/documentation/observation @Observable class A { var name = "Nothing Here Yet" @ObservationIgnored var age = 0 } class ViewController: UIViewController { var a = A() var lbl: UILabel! override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view. setupLabel() track() a.name = "Hello World" } func track() { withObservationTracking { let _ = self.a.name } onChange: { Task { @MainActor [weak self] in self?.lbl.text = self?.a.name } } } func setupLabel() { lbl = UILabel(frame: CGRect(x: 135, y: 300, width: 300, height: 44)) lbl.text = a.name self.view.addSubview(lbl) } }
Jun ’23