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Recent questions tagged SwiftUI

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swiftui - How to use same set of modifiers for various shapes

As a part of my learning SwiftUI project I do some shape rotations and I have code below. I'm wondering how to ... * Double(angleStep)))) } } See Question&Answers more detail:os...

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

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1.4k views

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swiftui - how to do a simple scaling animation and why isn't this working?

i just read in stackoverflow i can only concatenate animation with delay, so i tried this here which simply ... scaleEffect(scaleImage) } } } See Question&Answers more detail:os...

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

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1.3k views

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swiftui - What is the `some` keyword in Swift(UI)?

The new SwiftUI tutorial has the following code: struct ContentView: View { var body: some View { Text("Hello ... know about? What does the keyword some do? Question&Answers:os...

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

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1.4k views

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swiftui - How do I add Animations to Transitons between custom NavigationItems made from AnyView?

Is there a way to add animations to transitions between custom NavigationItems made from AnyView as described in ... struct NavigationItem{ var view: AnyView } Question&Answers:os...

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

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1.7k views

1 answer

swiftui - How can you set the background color of a column in LazyVGrid?

I'm using LazyVGrid to display a calendar month and would like to have the Sat and Sun -columns have a different ... how-can-you-set-the-background-color-of-a-column-in-lazyvgrid...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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swiftui - Navigation Title Issue

I have a navigation title for a list view. After navigating back and forth, my navigation title is ... from:https://stackoverflow.com/questions/65843937/navigation-title-issue...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.9k views

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swiftui - Disable the scrolling but not the content

I'm currently working on a swiftUI project where I'm supposed to be able to interact with the content of ... .com/questions/65844048/disable-the-scrolling-but-not-the-content...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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swiftui - View Does Not Reload When Observed Object Changed

I'm struggling with what I thought would be a pretty simple problem to solve. See below... I have a ... .com/questions/65845314/view-does-not-reload-when-observed-object-changed...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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swiftui - Why won't Section frame resize to show list content

I have a Section that runs a ForEach to return header: and then another view returns a fetchRequest for the ... /65854047/why-wont-section-frame-resize-to-show-list-content...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.1k views

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swiftui - NavigationLink doesn't fire after FullScreenCover is dismissed

I have a button in a view (inside a NavigationView) that opens a full screen cover - a ... com/questions/65860539/navigationlink-doesnt-fire-after-fullscreencover-is-dismissed...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

1 answer

swiftui - Fix hundreds of lines of warnings re layout constraints from DatePicker

Using the new (iOS 14) DatePicker in SwiftUI, it works as expected and looks fine in the simulator & on ... fix-hundreds-of-lines-of-warnings-re-layout-constraints-from-datepicker...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

swiftui - Why don't work URLSession in Swift Widget

I create widget with temperature from my site. In standart program all work, but in Widget on result i see ... .com/questions/65866198/why-dont-work-urlsession-in-swift-widget...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

swiftui - UIView hidden by TabView

I have tried to include TabView in my SwiftUI, after inclusion, I found that the bottom of the other ... :https://stackoverflow.com/questions/65868953/uiview-hidden-by-tabview...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

swiftui - View that works in iPhone does not work in iPad

I've tried to recreate this problem and just present a nice little code snippet you guys can see and analyze, but ... /65874238/view-that-works-in-iphone-does-not-work-in-ipad...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

swiftui - Untap button after sending a POST request

I'm currently working with POST requests and I'm trying to POST data to postman. The data is being ... .com/questions/65874554/untap-button-after-sending-a-post-request...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

swiftui - Dynamically scaling image depending on remaining space

I have two vertical stacks. The first one contains the Image and the second contains the TextField. I ... /questions/65875158/dynamically-scaling-image-depending-on-remaining-space...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

swiftui - How to pass same object to multiple subviews?

For each element in my database I want to display a navigation link. The destination and the label of each ... com/questions/65884619/how-to-pass-same-object-to-multiple-subviews...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.4k views

1 answer

swiftui - If send from peripheral to central an Int(38), I receive (38) but if I send Int(3847) I receive (7) how can I get the correct value?

var manager: CBCentralManager! var peripheral: CBPeripheral! var readCharacteristic: CBCharacteristic? var writeCharacteristic: CBCharacteristic? ... i-receive-38-but-if-i-send-int...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

swiftui - State Change only Updates Some Views

The attached program doesn't change the QR code in the QRView when the user changes the url in the ... /stackoverflow.com/questions/65904478/state-change-only-updates-some-views...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

swiftui - Does Combine have publishers that only publish when a value actually changes?

Is there a way to make a @Published variable that only publishes its value when the new value is different from ... -have-publishers-that-only-publish-when-a-value-actually-changes...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.8k views

1 answer

swiftui - Programmatic navigation with NavigationView/NavigationLink delay jumps back

I created a simple showcase where my problem can be reproduced; what I'm doing is ... 65914281/programmatic-navigation-with-navigationview-navigationlink-delay-jumps-back...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

swiftui - Swift UI @ObservedObject not working, found weird behaviour when implementing another protocol

following this guide "Stanford university" I implemented a model(struct) named MemoryGame with a second ... observedobject-not-working-found-weird-behaviour-when-implementing-an...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.1k views

1 answer

swiftui - Can't Change The DatePicker Font Color

I have two datepickers, but the font color is white even I set it to be black. Makes them hard to ... ://stackoverflow.com/questions/65921812/cant-change-the-datepicker-font-color...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

swiftui - How To Remove Nested Navigation Bars?

I have a Navigation view and I created a button to go back to the previous view, after I clicked on ... //stackoverflow.com/questions/65922967/how-to-remove-nested-navigation-bars...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

swiftui - Display filename in next View too

I have a code that makes a http Request, gets an array with filenames from that, displays them each with ... /stackoverflow.com/questions/65927496/display-filename-in-next-view-too...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.1k views

1 answer

swiftui - Swift: Control Navigation Bar displayMode

I'm trying to figure out how to programatically control the default behaviour that happens when you ... .com/questions/65928402/swift-control-navigation-bar-displaymode...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

swiftui - How do I pass a @State binding to the Content closure of a custom container?

I'm starting to play with custom containers and I'm stuck trying to send the @State var across. Sample code: ... -a-state-binding-to-the-content-closure-of-a-custom-container...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

swiftui - Swift: return value every x seconds

I'm trying to generate random string every 10 seconds. I put this function in a class in another file ... //stackoverflow.com/questions/65903738/swift-return-value-every-x-seconds...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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