iOS 13 strange search controller gap

Question

When running the App on iOS 13 beta 6, using Xcode 11 beta 5 I\'m encountering the strange gap when presenting search results view controller:

Here\'s a bit o

Answer 1

Using .asyncAfter(deadline: .now() + 0.1) will cause a glitch in the UI. To get rid of that, get rid of the deadline! Using DispatchQueue.main.async is enough.

extension UISearchController {
    open override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        if let presentingVC = self.presentingViewController {
            DispatchQueue.main.async {
                self.view.frame = presentingVC.view.frame
            }
        }
    }
}