Recent questions tagged SwiftUI

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swiftui - It appears impossible to make the background of an expandable list transparent. Tested all solutions on StackOverflow

This is the code struct Lumba:Identifiable { var id = UUID() var name:String var subLumba:[Lumba]? } ... simple lists but not to expandable. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

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swiftui - How do you preview a view containing a binding to its parent view's state?

I present this view as a sheet from its parent view struct NamesView: View { @Binding var match: Match var body ... is a limitation of SwiftUI. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

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swiftui - What is different between @Binding and scroll down to dismiss presented view?

NavigationBarItem can't Click after dismiss view! XCode11 beta3, MacOS Catalina 10.15 Beta（19A501i） When click DetailView button ... ) ) } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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535 views

1 answer

swiftui - Path.fill in Xcode11 beta5 doesn't work anymore

Path.fill and .stroke of swiftUI in Xcode11 beta5 doesn't work The code below works fine in Xcode beta4, but it ... { ContentView() } } #endif See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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655 views

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swiftui - Cross navigation with NavigationView

I have the following structure enum Page { case chapter1 case chapter2 } struct ContentView: View { @State var ... back-and-forth flip? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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897 views

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swiftui - Using @AppStorage for string map

How can I use @AppStorage for a string map in a SwiftUI app? This is what I want to do: @AppStorage("ratings ... possible to encode it as Data? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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swiftui - TabView tabItem image move to top

I learned how to create a tabBar like UIKit tabBar in swiftUI. And I want to move the center tabItem to top ... "Categories") } } Visual Example See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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997 views

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swiftui - Swift ui macos background transparent TextField

As you can see from the image I have a TextField and after list. The list has a transparent background, I'm using ... : 400.0, alignment: .top) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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980 views

1 answer

swiftui - Position view bottom without using a spacer

How can I position a View at the bottom without using a spacer. I know I can achieve it placing a spacer and ... it at safe area bottom guide. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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633 views

1 answer

swiftui - Are there maximum limits to VStack?

I started with a clean project and added 5 buttons and 5 spacers in a VStack and all is good. When I add ... , should I switch back to UIKit? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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493 views

1 answer

swiftui, animation applied to parent effect child animation

RectangleView has a slide animation, his child TextView has a rotation animation. I suppose that RectangleView with his child ... = false } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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737 views

1 answer

swiftui - iOS WidgetKit: remote images fails to load

I'm observing a bizarre thing: in the new widgets far too often remote images are not being displayed even ... , memory use is around 15mb See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

1 answer

swiftui - How to define a protocol to include a property with @Published property wrapper

When using @Published property wrapper following current SwiftUI syntax, it seems very hard to define a protocol that ... syntax. Thanks a lot. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

swiftui - Is it possible for a NavigationLink to perform an action in addition to navigating to another view?

I'm trying to create a button that not only navigates to another view, but also run a function at the same time. ... runs }) { TradeButton() } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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871 views

1 answer

swiftui - View is not rerendered in Nested ForEach loop

I have the following component that renders a grid of semi transparent characters: var body: some View { VStack{ ... Data' could not be inferred See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

swiftui - How to disable NavigationView push and pop animations

Given this simple NavigationView: struct ContentView : View { var body: some View { NavigationView { VStack { ... just not there yet? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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647 views

1 answer

swiftui - How to pop multiple views off a navigation stack?

Looking for some guidance on a simple way to pop multiple views off a navigation stack in SwiftUI. I have 4 views chained ... A.") } } } ''' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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508 views

1 answer

swiftui - How to detect LightDark mode change in iOS 13?

Some of the UI setups not working automatically with the Dark/Light mode change as the UIColor. For ... only if userInterfaceStyle changed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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578 views

1 answer

swiftui - ForEach and GeometryReader: variable height for children?

I have following example: import SwiftUI struct TestSO: View { @State var cards = [ Card(title: "short title ... children? Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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549 views

1 answer

swiftui - Change to @Published var in @EnvironmentObject not reflected immediately

In this specific case, when I try to change an @EnvironmentObject's @Published var, I find that the view is not ... 't work with this setup. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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897 views

1 answer

swiftui - Not Receiving scenePhase Changes

I'm trying to execute some code I'd have previously put in my app delegate, such as saving my managed object ... the app, but nothing happens. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

swiftui - How to perform an action after NavigationLink is tapped?

I have a Plus button in my first view. Looks like a FAB button. I want to hide it after I ... it work different than using simultaneousGesture? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

swiftui - TabView with "PageTabViewStyle" does not update it's content when @State var changes

I came across a weird Issue in SwiftUI. I created a simple View that only holds a Button and a TabView ... updates it State for some reason. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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724 views

1 answer

swiftui - Hosting Controller When Using iOS 14 @main

I'm experimenting with a pure SwiftUI app. It doesn't have a SceneDelegate so I'm unsure of where ... 's preferredColorScheme doesn't cover.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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