Display a popover with the same style as an iPad

popover-presentation-style.swift

 final class ViewController: UIViewController, UIPopoverPresentationControllerDelegate {
    
    ...
     
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        let popoverViewController = segue.destination
        
        // Override the presentation style on the iPhone so that the popover does not appear in fullscreen
        popoverViewController.popoverPresentationController?.delegate = self
        
        // Depending on the viewable screen space present the popover either above or to the right of the label
        popoverViewController.popoverPresentationController?.permittedArrowDirections = [.down, .left]
        
        // Define the size of the popover
        popoverViewController.preferredContentSize = CGSize(width: 100, height: 100)
        
        // Present the popover from the label instead of the CTA button
        popoverViewController.popoverPresentationController?.sourceRect = label.frame
        popoverViewController.popoverPresentationController?.sourceView = label
    }
    
    // MARK: - UIPopoverPresentationControllerDelegate
    
    func adaptivePresentationStyle(for controller: UIPresentationController) -> UIModalPresentationStyle {
        return .none
    }
     
    ...
}