uimenu

问题 iOS 14 adds the ability to display menus upon tapping or long pressing a UIBarButtonItem or UIButton, like so: let menu = UIMenu(children: [UIAction(title: "Action", image: nil) { action in //do something }]) button.menu = menu barButtonItem = UIBarButtonItem(title: "Show Menu", image: nil, primaryAction: nil, menu: menu) This most often replaces action sheets ( UIAlertController with actionSheet style). It's really common to have a dynamic action sheet where actions are only included or may

问题 iOS 14 adds the ability to display menus upon tapping or long pressing a UIBarButtonItem or UIButton, like so: let menu = UIMenu(children: [UIAction(title: "Action", image: nil) { action in //do something }]) button.menu = menu barButtonItem = UIBarButtonItem(title: "Show Menu", image: nil, primaryAction: nil, menu: menu) This most often replaces action sheets ( UIAlertController with actionSheet style). It's really common to have a dynamic action sheet where actions are only included or may

问题 iOS 14 adds the ability to display menus upon tapping or long pressing a UIBarButtonItem or UIButton, like so: let menu = UIMenu(children: [UIAction(title: "Action", image: nil) { action in //do something }]) button.menu = menu barButtonItem = UIBarButtonItem(title: "Show Menu", image: nil, primaryAction: nil, menu: menu) This most often replaces action sheets ( UIAlertController with actionSheet style). It's really common to have a dynamic action sheet where actions are only included or may

来源： https://stackoverflow.com/questions/63489986/ios-14-setup-the-uibarbutttonitem-menu-before-it-is-opened

来源： https://stackoverflow.com/questions/63489986/ios-14-setup-the-uibarbutttonitem-menu-before-it-is-opened

问题 Other than the a WWDC video - 44:18 a sample project there's not much info online. So the actionProvider , when called, has a list of suggestedActions that are passed to it by the system. This can be a mix of UIMenu s and UIAction s, so potentially a fully constructed hierarchy that are picked up from the system. These could be things that you defined in your responder chain using the new UI command API being introduced in iOS 13 or things that are offered by other system components. So we're

问题 Paste the following code into a project: No image shows next to 'Device Honey' ie the UIMenu However the image shows up next to 'Copy' ie the UIACtion . Am I doing something wrong? If this is a bug? Is there a workaround? class ViewController: UIViewController { let tableview: UITableView = { let tv = UITableView() tv.frame = UIScreen.main.bounds return tv }() override func viewDidLoad() { super.viewDidLoad() view.addSubview(tableview) tableview.register(UITableViewCell.self,