swiftui

问题 I have a code: struct ContentView: View { let entry: LessonWidgetEntry private static let url: URL = URL(string: "widgetUrl")! var body: some View { VStack { switch entry.state { case .none: ProgramNotStartedView() case .currentLesson(let lesson): LessonView(lesson: lesson, imageName: entry.program?.imageName) case .lessonCompleted(let lesson): LessonCompletedView(lesson: lesson) case .programCompleted: ProgramCompletedView() } }.widgetURL(ContentView.url) } } At midnight LessonCompletedView

问题 I am trying to figure out how to make UITextView size dependent on it's contents in SwiftUI. I wrapped the UITextView in UIViewRepresentable as following: struct TextView: UIViewRepresentable { @Binding var showActionSheet: Bool func makeCoordinator() -> Coordinator { Coordinator(self) } func makeUIView(context: Context) -> UITextView { let uiTextView = UITextView() uiTextView.delegate = context.coordinator uiTextView.font = UIFont(name: "HelveticaNeue", size: 15) uiTextView.isScrollEnabled =

问题 Apologies in advance for any tacky code (I'm still learning Swift and SwiftUI). I have a project where I'd like to have multiple timers in an Array count down to zero, one at a time. When the user clicks start, the first timer in the Array counts down and finishes, and a completion handler is called which shifts the array to the left with removeFirst() and starts the next timer (now the first timer in the list) and does this until all timers are done. I also have a custom Shape called

问题 Apologies in advance for any tacky code (I'm still learning Swift and SwiftUI). I have a project where I'd like to have multiple timers in an Array count down to zero, one at a time. When the user clicks start, the first timer in the Array counts down and finishes, and a completion handler is called which shifts the array to the left with removeFirst() and starts the next timer (now the first timer in the list) and does this until all timers are done. I also have a custom Shape called

问题 Demonstration of whitespace problem When I nest a NavigationView within a NavigationView, an enormous amount of whitespace separates the back button and the new navigation bar title. Is there something I'm doing wrong in terms of setting up my SwiftUI views? import SwiftUI struct Dashboard: View { @EnvironmentObject var user: User let courses = Course.exampleCourses() var body: some View { NavigationView { List(courses) { course in NavigationLink(destination: CourseView(course: course)) {

问题 Demonstration of whitespace problem When I nest a NavigationView within a NavigationView, an enormous amount of whitespace separates the back button and the new navigation bar title. Is there something I'm doing wrong in terms of setting up my SwiftUI views? import SwiftUI struct Dashboard: View { @EnvironmentObject var user: User let courses = Course.exampleCourses() var body: some View { NavigationView { List(courses) { course in NavigationLink(destination: CourseView(course: course)) {

问题 Im trying to implement a feature in my app. When I click on my picker: Picker(selection: $profileViewModel.education, label: Text("Education Level")) { ForEach(Education.levels, id: \.self) { level in Text(level).tag(level) } } This takes me to a screen and then I select the value (this is fine - it works as expected) How could I select the value which then takes my to let's say another screen so I can fill in more details regarding the selected value. For example the above picker has a

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 10 months ago . Improve this question I'm new with IOS development, I'm using swiftUI and following this tutorial https://developer.apple.com/tutorials/swiftui/building-lists-and-navigation but I have been stuck here for a while, In the tutorial, they pass one item from a json file in the project struct

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 10 months ago . Improve this question I'm new with IOS development, I'm using swiftUI and following this tutorial https://developer.apple.com/tutorials/swiftui/building-lists-and-navigation but I have been stuck here for a while, In the tutorial, they pass one item from a json file in the project struct

问题 This question already has answers here : SwiftUI ForEach based on State int (2 answers) Closed 11 months ago . Here is a simple code to show the problem. It displays a list of name in OberservedObject data , which is in nested ForEach. When data is updated by clicking the button, the view should be updated. The code works perfectly in iOS 13.3 for both simulators and devices, i.e. the view will be updated after clicking the button. But it fails in iOS 13.4 for both simulators and devices, i.e