Tag: Swift3 popover

苹果ios swift 3中的popover

我想用下面的代码做一个popup菜单： import UIKit class BeobachtungViewController: UIViewController, UIPopoverPresentationControllerDelegate { @IBAction func addClicked(_ sender: AnyObject) { // get a reference to the view controller for the popover let popController = UIStoryboard(name: "Personenakte", bundle: nil).instantiateViewController(withIdentifier: "popoverId") // set the presentation style popController.modalPresentationStyle = UIModalPresentationStyle.popover // set up the popover presentation controller popController.popoverPresentationController?.permittedArrowDirections = UIPopoverArrowDirection.up popController.popoverPresentationController?.delegate = self popController.popoverPresentationController?.sourceView […]