这里的.alert表示是否允许弹窗; .sound表示是否允许提示音;.badge表示通知弹窗中的那个小图。 func setNotification(){ UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]){ (granted, _) in if granted { //用户同意我们推送通知 print("用户同意我们推送通知") }else...
SwiftUI 提供了 Alert ,用以呈现重要通知,可以支持一到两个按钮,而 sheet() 则是在当前视图之上展示新视图,此外我们还有 ActionSheet:它是 Alert 的替代品,可以让我们添加更多按钮。 视觉上 alerts 和 action sheets 差别很大:在 iPhones,alert 是出现在屏幕中央,并且必须通过选择一个按钮关闭,而 action sheets 是...
///AlertPage.swift//SwiftUIDeom///Created by zhoukang03 on 2023/3/28.//import SwiftUIstructAlertPage : View { @State var showAlert=falsevar body: some View { Button(action: { self.showAlert=trueprint("Tap") }) { Text("Click") .font(.system(size:40, design: .rounded)) } .aler...
let nothing = UIAlertAction(title: "Nothing", style: .cancel) { (alerts:UIAlertAction) -> Void in print("A Life of Nonsense") } alert.addAction(fishing) alert.addAction(hunting) alert.addAction(nothing) self.present(alert, animated: true, completion: nil) 1. 2. 3. 4. 5. 6. 7....
Alert 用于展示一个弹框提醒,需要与点击事件关联起来。 示例: alert(isPresented: $showAlert, content: { Alert(title: Text("确定要支付这100000000美元吗?"), message: Text("请谨慎操作\n一旦确认,钱款将立即转入对方账户"), primaryButton: .destructive(Text("确认")) { print("转出中...") }, sec...
(2 Document Hosting Controllers), see screenshot. This probably affects alert view... I get warnings and it does not work properly (used to work ok on previous versions). Previous versions To compare with previous versions of iOS, run the same code and procedure on iOS 18.3 for example (...
(path: $path, picture: $picture)}).alert("Save Picture", isPresented: $showAlert, actions: {Button("Cancel", role: .cancel, action: {showAlert = false})Button("YES", role: .none, action: {if let picture {UIImageWriteToSavedPhotosAlbum(picture, nil, nil, nil)}})}, message: { ...
As you might know, UIKit can't display alerts on top of each other. I'm having trouble writing SwiftUI application in WatchKit with a button, alert and action sheet. ### Sequence of events 1. Human taps the button 2. Action sheet appears with action confirmation ...
UNUserNotificationCenter.current().requestAuthorization(options:[.alert,.badge,.sound]){success,errorinifsuccess{print("All set!")}elseifleterror=error{print(error.localizedDescription)}} 如果用户授予权限,那么我们就可以开始安排通知了。尽管通知可能看起来很简单,但 Apple 将它们分为三个部分以提供最大的...
Button(action: {showingAlert =true},label: { Text("Button") }) } .alert("Alert",isPresented:$showingAlert,actions: {},message: {Text("Message") }) } } The problem arises when this alert is displayed and subsequently closed. Upon closing the alert, the cursor turns into a spinning ra...