Explore the various UI frameworks available for building app interfaces. Discuss the use cases for different frameworks, share best practices, and get help with specific framework-related questions.

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.highPriorityGesture Prevents Button Tap on iOS 17 and Earlier
In iOS 18, using .highPriorityGesture does not interfere with Button tap detection. However, on iOS 17 and earlier, setting a .highPriorityGesture causes the Button's tap action to stop responding. I am using .highPriorityGesture in an attempt to support both tap and long-press gestures on a Button, which works as expected in iOS 18. However, the same implementation prevents taps on earlier versions. Is using .highPriorityGesture on a Button not recommended in this case? Or is this an issue specific to how .highPriorityGesture behaves on iOS 17 and earlier? Below is a sample code: struct SampleButton: View { let title: String let action: () -> Void var body: some View { Button { NSLog("Tapped") action() } label: { Text(title) }.highPriorityGesture(LongPressGesture(minimumDuration: 0.5).onEnded { _ in NSLog("Long press.") action() }) } } struct ContentView: View { var body: some View { VStack { SampleButton(title: "Tap or LongPress") {} } } } Environment: Xcode: Version 16.3 (16E140) iOS: iOS 18.4(simulator), iOS 17.5, iOS 16.4, iOS 15.2
3
0
137
May ’25
Tab Bar Controller Not Using Safe Area
I have several apps where I successfully implemented Safe Area Margins, but this app uses a Tab Bar Controller and it ignores the safe areas. I am using Xcode 16.2, and Storyboards. The "Use Safe Area Layout Guides" is checked for every scene, yet none are using the safe area. Any clues?
Topic: UI Frameworks SubTopic: UIKit
3
0
88
Apr ’25
Reset SwiftUI animation for another step.
I was trying to move from appkit to swiftUI. As a learning project I am building a cellular automata style project based on Pattersons Worms.. I am trying something similar to the EA game Worms? for the Commodore 64. There is a video on YouTube of the game running, but I'm not allowed to link it here. The problem I have is that the animation is driven by a ruleset. When the automata hits a configuration that is not in the ruleset it is supposed to stop and ask the user. For each step the model returns either the next move, or nil to indicate the user need to make a choice that will be sent back to the model to be added to the ruleset. My current approach, and I might be following the wrong path, is a ZStack where the bottom level is the grid, the middle level is the established worm segments and the top level is either the animation of the next worm segment or the user chooser to choose the segment. I've only implemented the animation of the next worm segment. The idea is that when the model adds a segment that it first animated at the top level and then displayed by the middle level. Then the top level animates the next segment. I was animating the trim on the segment to draw the line. If the current move is nil, then the middle level draws the segment. If current move has a value, the animation draw it, and then on completion sets the current move to nil so that the bottom level draw it. The problem I ran into was resetting the animation to draw the next segment. I've tried two approaches. in one the completion resets the animation boolean variable, but I need a manual step to set the next stage of the animation. The other uses the completion to set the next step, but it the animation doesn't run for the step and the display is an always a step behind. I'm not sure how to both update the move and reset the animation at the same time. I have uploaded a simplified version without the full grid and simplified model to GitHub (https://github.com/thomasrdean/AnimationTest). Is there any other way to reset the animation the than the completion so I can use the completion to retrieve the next step from the model?
1
0
143
May ’25
Does MKLookAroundViewController work on macOS?
Trying to incorporate a LookAroundView into my macOS application but unable to make the LookAroundView interactive at all. I can get it to display a static image, but there's no interactivity at all and no controls visible. This is using the SwiftUI LookAroundPreview view as well as trying to wrap MKLookAroundViewController inside an NSViewRepresentable. The navigation properties are set to true but that doesn't seem to make a difference. Would love to incorporate this feature but without interactivity its value is limited. macOS 15.4.1 (24E263), Xcode Version 16.3 (16E140)
1
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122
Apr ’25
tvOS Remote Control Entitlements
I've been looking for a solution to configure the Apple TV remote(s) from the 5th generation and upwards. Some of the basic functionalities are disabling buttons on the physical remote control while maintaining proper functionality on remote controller apps on iOS devices. There seems to be a lack of relevant entitlements in that category, and without it I can't seem to figure out a way to make it work. Any ideas on the matter? Maybe a workaround that allows to configure the Apple TV to work with other remotes? Thank you in advance to anyone that put in thought to my query.
0
0
111
May ’25
"X" button event of CPPointOfInterestTemplate
I am currently developing a CarPlay application using CPPointOfInterestTemplate. I am displaying a list of restaurants on a map, and when a user taps on a restaurant in the list, I present a detail view using CPPointOfInterest. The list of restaurants is updated based on the user's location changes using the setPointsOfInterest method. Is there a way to detect when they press the close button (typically an "X" button) to dismiss the detail view and return to the list? Is there a delegate method or any other mechanism to determine whether the CPPointOfInterestTemplate is currently displaying the list of points of interest or the detail view of a specific point of interest? I need to know this so that I can avoid updating the list based on location changes when the detail view is being shown. My current implementation updates the list of restaurants whenever the user's location changes. This works well when the user is Browse the list. However, if the user has navigated to the detail view of a restaurant, a location update currently causes the list to reload, which results in the detail view being dismissed and the user being taken back to the list. I would like to prevent this from happening and only update the list when the list view is visible.
1
0
94
Apr ’25
ScrollPosition.scrollTo(id:, anchor:) not behaving as expected
While trying the new ScrollPosition API I noticed that scrollTo(id: anchor:) behaves different than ScrollViewProxy.scrollTo(_: anchor:). Consider the following example: struct ContentView: View { @State private var position = ScrollPosition(edge: .top) var body: some View { NavigationStack { ScrollViewReader { proxy in ScrollView { VStack(spacing: 8) { ForEach(1..<100) { index in Text(verbatim: index.formatted()) .frame(maxWidth: .infinity) .background(.gray) .id(index) } } } .scrollPosition($position) .toolbar { ToolbarItemGroup(placement: .bottomBar) { Spacer() Button("50 (T)") { withAnimation { position.scrollTo(id: 50, anchor: .top) // proxy.scrollTo(50, anchor: .top) } } Button("50 (B)") { withAnimation { position.scrollTo(id: 50, anchor: .bottom) // proxy.scrollTo(50, anchor: .bottom) } } Spacer() } } } } } } The position methods don't align top and bottom edges, but the proxy ones do. Is this expected or is it a bug?
2
0
151
May ’25
Should i set window.isReleasedWhenClosed to true or leave it to default?
Hi, In mac os swift ui application when i set window.isReleasedWhenClosed and when i close the window the app is getting crashed with exc_bad_access. but when i leave it to default value the app is not crashing. for some windows setting window.isReleasedWhenClosed to true is woking properly when closing the windows. But for some windows it is crashing. If i dont set it to true the window is not removed from NSApplication.shared.windows sometimes. I am confused about setting isReleasedWhenClosed to true Could someone calrify on this please. thank in advance.
2
0
93
Apr ’25
NSPredicateEditorRowTemplate subviews layout
Hello everyone, I’d appreciate if anyone can tell me if there’s a way to actually control visual layout of subviews in a predicate editor row template. I have a predicate editor with custom row template subclasses, all created in code (not in IB) and it all works fine, but the problem are template (sub)views, which are not NSPopUpButton(s). As I select different items of popup buttons, effectively changing editor’s predicate property, those buttons seem to get resized according to some strange own logic, but the general the problem is that size (width) of controls, such are text fields and date pickers, gets unpredictable and they usually shrink, even though there is still a plenty of room in the template row width. Trying to resize any control in a row template by force (setFrame: or setFrameSize:) has no effect. I can show some screenshots and videos of the behaviour, as well as code samples, if necessary, but I’d like to ask first, maybe someone already knows what I’m talking about and provide some insights and solutions. Thanks in advance.
Topic: UI Frameworks SubTopic: AppKit
0
0
95
May ’25
Application crashes when using TextEditor(text, selection)
I have a TextEditor, to the constructor of which in addition to the text I pass an object of the TextSelection? type. I check on the Simulator with iOS 18.2. An attempt to clear the text leads to a crash with the message "Thread 1: Fatal error: String index is out of bounds" in Xcode. More about the error: libswiftCore.dylib`_swift_runtime_on_report: -> 0x194f32024 <+0>: ret More about the reproduction conditions: struct MyView: View { @Bindable private var viewModel = MyViewModel() @State var myTextSelection: TextSelection? = nil var body: some View { ZStack { // Some other code myEditor // Some other code } .toolbar { ToolbarItem(placement: .primaryAction) { Button { viewModel.clear() } label: { Label("Clear", systemImage: "eraser") } } } } var myEditor: some View { ZStack(alignment: .topLeading) { TextEditor(text: $viewModel.text, selection: $myTextSelection) .disableAutocorrection(true) .autocapitalization(.sentences) } // Some other code } } MyViewModel: @Observable final class MyViewModel: ObservableObject { var text: String = "" func clear() { text = "" } }
1
0
130
May ’25
App Name Display
For now, my app name length is more than 20 characters, so the iPhone app name displays without a space, and uses the range operator to ensure showing the rest in the next line. Is it possible to show space and name with 2 lines?
Topic: UI Frameworks SubTopic: General Tags:
0
0
84
May ’25
Unable to use transitions for SwiftData in List
I can't for the life of me get transitions and animations to work well with SwiftData and List on MacOS 15 and iOS 18. I've included an example below, where I define several animations and a transition type, but they are all ignored. How do I animate items being added to / removed from a List()? I am attached to List() due to its support for selection, context menu, keyboard shortcuts, etc. If I would switch to ScrollView with VStack I would have to rebuild all of that. Also, this is super basic and should just work, right? Thanks for reading. import SwiftUI import SwiftData struct ContentView: View { @Environment(\.modelContext) private var modelContext /// Issues on iOS: /// Items animate into and out of view, but I seem to have no control over the animation. /// In the code here I've specified a 'bouncy' and a slow 'easeIn' animation: both are not triggered. /// The code also specifies using a 'slide' transition, but it is ignored. /// -> How do I control the transition and animation timing on iOS? /// /// Issues on MacOS: /// Items do not animate at all on MacOS! They instantly appear and are instantly removed. /// -> How do I control the transition and animation timing on MacOS? // animation added here -> has no effect? @Query(animation: .bouncy) private var items: [Item] var body: some View { VStack { Button("Add to list") { // called without 'withAnimation' -> no animation let newItem = Item(timestamp: Date()) modelContext.insert(newItem) } List() { ForEach(items, id: \.self) { item in Text(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard)) .transition(.slide) // items do not slide in/out of view .onTapGesture { // called with 'withAnimation' -> no animation withAnimation(.easeIn(duration: 2)) { modelContext.delete(item) } } } .animation(.spring(duration: 3), value: items) } } .padding() } } #Preview { ContentView() .modelContainer(for: Item.self, inMemory: true) }
5
1
1.6k
Apr ’25
Is applicationDidFinishLaunching: guaranteed to be called before INIntent delegate methods when app is launched via a Shortcut?
I have a question about the app lifecycle when my app is launched via a Shortcut. I'm adding a INIntent to a Mac app. So my app delegate implements: - (nullable id)application:(NSApplication *)application handlerForIntent:(INIntent *)intent Then my custom intent handler implements the two protocol methods -confirmIntentNameHere:completion: and -handleIntentNameHere:completion: During my testing -applicationDidFinishLaunching: is called before the intent methods, so I can forward methods to my main window controller to perform the shortcut actions, since it's already ready. ....But if this is not always the case, I can still perform them but I'd have to move the code out of the window controller to perform the action "headless" if invoked before my app has built its UI. Just wondering if this is something I should be prepared for. Thanks in advance.
1
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259
May ’25
[SwiftUI] Gesture Conflict: simultaneousGesture Causes Incorrect Gesture Recognition in iOS 18
Subject: SwiftUI Gesture Conflict in iOS 18: Simultaneous Recognition of Drag and Tap Gestures Description: In SwiftUI on iOS 18 and above, we've identified an issue with gesture handling that affects user experience. When implementing .simultaneousGesture(DragGesture()), the system incorrectly recognizes and processes both drag and tap gestures concurrently, resulting in unintended behavior. Technical Details: Environment: SwiftUI, iOS 18+ Issue: Simultaneous recognition of horizontal drag gestures and vertical scroll/tap gestures Current Behavior: Both vertical and horizontal scrolling occur simultaneously when using .simultaneousGesture(DragGesture()) Expected Behavior: Gestures should be properly disambiguated to prevent concurrent scrolling in multiple directions Impact: This behavior significantly impacts user experience, particularly in custom carousel implementations and other UI components that rely on precise gesture handling. The simultaneous recognition of both gestures creates a confusing and unpredictable interaction pattern. Steps to Reproduce: Create a SwiftUI view with horizontal scrolling (e.g., custom carousel) Implement .simultaneousGesture(DragGesture()) Add tap gesture recognition to child views Run on iOS 18 Attempt to scroll horizontally Observed Result: Both horizontal dragging and vertical scrolling/tapping are recognized and processed simultaneously, creating an inconsistent user experience. Expected Result: The system should properly disambiguate between horizontal drag gestures and vertical scroll/tap gestures, allowing only one type of gesture to be recognized at a time based on the user's intent. Please let me know if you need any additional information or reproduction steps.
0
0
132
Apr ’25
Bundling OSX installer plugin with productbuild/pkgbuild
I'm trying to create a .pkg installer with productbuild/pkgbuild. But I'd also like to add my custom installer plugin to this. I'm using the following script. I'd like to add my bundle into this script. Since there are no official docs from apple how to do this nor there are a lot of updated resources, here are some things I have tried. adding the following line to Distrubtion.xml <bundle id="pluginid" path="path/to/myplugin.bundle"/> adding component tag to pkgbuild also doesn't do anything --component "path/to/myplugin.bundle" The bundle itself is build with XCode - it is a simple UI for user to type some input in Apple provides documentation for Distribution.xml file, which supports different UI elements but doesn't support text input - docs I have been also looking at this tutorial , it is very outdated but i could still fit it to my needs except the part where the .bundle file needs to be inserted into .pkg. Note - there is no option to view the contents of .pkg file build with pkbuild/productbuild How can i do this process correctly? I would like to link my installer pane plugin to a generic .pkg(with licenses and so on). I'd appreciate any kind of help!
0
0
148
May ’25
VisionOS custom hover effect and click sound
I have created a custom hover effect per this WWDC video and many other examples on the Net: https://developer.apple.com/videos/play/wwdc2024/10152/ I can get the button to expand when looked at within a VisionOS device and it will invoke a tap event when tapped but there is no click sound like a normal SwiftUI button does in VisionOS! I can't for the life of me figure out why. Any help would be appreciated!
2
0
314
Apr ’25
.highPriorityGesture Prevents Button Tap on iOS 17 and Earlier
In iOS 18, using .highPriorityGesture does not interfere with Button tap detection. However, on iOS 17 and earlier, setting a .highPriorityGesture causes the Button's tap action to stop responding. I am using .highPriorityGesture in an attempt to support both tap and long-press gestures on a Button, which works as expected in iOS 18. However, the same implementation prevents taps on earlier versions. Is using .highPriorityGesture on a Button not recommended in this case? Or is this an issue specific to how .highPriorityGesture behaves on iOS 17 and earlier? Below is a sample code: struct SampleButton: View { let title: String let action: () -> Void var body: some View { Button { NSLog("Tapped") action() } label: { Text(title) }.highPriorityGesture(LongPressGesture(minimumDuration: 0.5).onEnded { _ in NSLog("Long press.") action() }) } } struct ContentView: View { var body: some View { VStack { SampleButton(title: "Tap or LongPress") {} } } } Environment: Xcode: Version 16.3 (16E140) iOS: iOS 18.4(simulator), iOS 17.5, iOS 16.4, iOS 15.2
Replies
3
Boosts
0
Views
137
Activity
May ’25
Tab Bar Controller Not Using Safe Area
I have several apps where I successfully implemented Safe Area Margins, but this app uses a Tab Bar Controller and it ignores the safe areas. I am using Xcode 16.2, and Storyboards. The "Use Safe Area Layout Guides" is checked for every scene, yet none are using the safe area. Any clues?
Topic: UI Frameworks SubTopic: UIKit
Replies
3
Boosts
0
Views
88
Activity
Apr ’25
Reset SwiftUI animation for another step.
I was trying to move from appkit to swiftUI. As a learning project I am building a cellular automata style project based on Pattersons Worms.. I am trying something similar to the EA game Worms? for the Commodore 64. There is a video on YouTube of the game running, but I'm not allowed to link it here. The problem I have is that the animation is driven by a ruleset. When the automata hits a configuration that is not in the ruleset it is supposed to stop and ask the user. For each step the model returns either the next move, or nil to indicate the user need to make a choice that will be sent back to the model to be added to the ruleset. My current approach, and I might be following the wrong path, is a ZStack where the bottom level is the grid, the middle level is the established worm segments and the top level is either the animation of the next worm segment or the user chooser to choose the segment. I've only implemented the animation of the next worm segment. The idea is that when the model adds a segment that it first animated at the top level and then displayed by the middle level. Then the top level animates the next segment. I was animating the trim on the segment to draw the line. If the current move is nil, then the middle level draws the segment. If current move has a value, the animation draw it, and then on completion sets the current move to nil so that the bottom level draw it. The problem I ran into was resetting the animation to draw the next segment. I've tried two approaches. in one the completion resets the animation boolean variable, but I need a manual step to set the next stage of the animation. The other uses the completion to set the next step, but it the animation doesn't run for the step and the display is an always a step behind. I'm not sure how to both update the move and reset the animation at the same time. I have uploaded a simplified version without the full grid and simplified model to GitHub (https://github.com/thomasrdean/AnimationTest). Is there any other way to reset the animation the than the completion so I can use the completion to retrieve the next step from the model?
Replies
1
Boosts
0
Views
143
Activity
May ’25
Does MKLookAroundViewController work on macOS?
Trying to incorporate a LookAroundView into my macOS application but unable to make the LookAroundView interactive at all. I can get it to display a static image, but there's no interactivity at all and no controls visible. This is using the SwiftUI LookAroundPreview view as well as trying to wrap MKLookAroundViewController inside an NSViewRepresentable. The navigation properties are set to true but that doesn't seem to make a difference. Would love to incorporate this feature but without interactivity its value is limited. macOS 15.4.1 (24E263), Xcode Version 16.3 (16E140)
Replies
1
Boosts
0
Views
122
Activity
Apr ’25
tvOS Remote Control Entitlements
I've been looking for a solution to configure the Apple TV remote(s) from the 5th generation and upwards. Some of the basic functionalities are disabling buttons on the physical remote control while maintaining proper functionality on remote controller apps on iOS devices. There seems to be a lack of relevant entitlements in that category, and without it I can't seem to figure out a way to make it work. Any ideas on the matter? Maybe a workaround that allows to configure the Apple TV to work with other remotes? Thank you in advance to anyone that put in thought to my query.
Replies
0
Boosts
0
Views
111
Activity
May ’25
"X" button event of CPPointOfInterestTemplate
I am currently developing a CarPlay application using CPPointOfInterestTemplate. I am displaying a list of restaurants on a map, and when a user taps on a restaurant in the list, I present a detail view using CPPointOfInterest. The list of restaurants is updated based on the user's location changes using the setPointsOfInterest method. Is there a way to detect when they press the close button (typically an "X" button) to dismiss the detail view and return to the list? Is there a delegate method or any other mechanism to determine whether the CPPointOfInterestTemplate is currently displaying the list of points of interest or the detail view of a specific point of interest? I need to know this so that I can avoid updating the list based on location changes when the detail view is being shown. My current implementation updates the list of restaurants whenever the user's location changes. This works well when the user is Browse the list. However, if the user has navigated to the detail view of a restaurant, a location update currently causes the list to reload, which results in the detail view being dismissed and the user being taken back to the list. I would like to prevent this from happening and only update the list when the list view is visible.
Replies
1
Boosts
0
Views
94
Activity
Apr ’25
ScrollPosition.scrollTo(id:, anchor:) not behaving as expected
While trying the new ScrollPosition API I noticed that scrollTo(id: anchor:) behaves different than ScrollViewProxy.scrollTo(_: anchor:). Consider the following example: struct ContentView: View { @State private var position = ScrollPosition(edge: .top) var body: some View { NavigationStack { ScrollViewReader { proxy in ScrollView { VStack(spacing: 8) { ForEach(1..<100) { index in Text(verbatim: index.formatted()) .frame(maxWidth: .infinity) .background(.gray) .id(index) } } } .scrollPosition($position) .toolbar { ToolbarItemGroup(placement: .bottomBar) { Spacer() Button("50 (T)") { withAnimation { position.scrollTo(id: 50, anchor: .top) // proxy.scrollTo(50, anchor: .top) } } Button("50 (B)") { withAnimation { position.scrollTo(id: 50, anchor: .bottom) // proxy.scrollTo(50, anchor: .bottom) } } Spacer() } } } } } } The position methods don't align top and bottom edges, but the proxy ones do. Is this expected or is it a bug?
Replies
2
Boosts
0
Views
151
Activity
May ’25
Should i set window.isReleasedWhenClosed to true or leave it to default?
Hi, In mac os swift ui application when i set window.isReleasedWhenClosed and when i close the window the app is getting crashed with exc_bad_access. but when i leave it to default value the app is not crashing. for some windows setting window.isReleasedWhenClosed to true is woking properly when closing the windows. But for some windows it is crashing. If i dont set it to true the window is not removed from NSApplication.shared.windows sometimes. I am confused about setting isReleasedWhenClosed to true Could someone calrify on this please. thank in advance.
Replies
2
Boosts
0
Views
93
Activity
Apr ’25
NSPredicateEditorRowTemplate subviews layout
Hello everyone, I’d appreciate if anyone can tell me if there’s a way to actually control visual layout of subviews in a predicate editor row template. I have a predicate editor with custom row template subclasses, all created in code (not in IB) and it all works fine, but the problem are template (sub)views, which are not NSPopUpButton(s). As I select different items of popup buttons, effectively changing editor’s predicate property, those buttons seem to get resized according to some strange own logic, but the general the problem is that size (width) of controls, such are text fields and date pickers, gets unpredictable and they usually shrink, even though there is still a plenty of room in the template row width. Trying to resize any control in a row template by force (setFrame: or setFrameSize:) has no effect. I can show some screenshots and videos of the behaviour, as well as code samples, if necessary, but I’d like to ask first, maybe someone already knows what I’m talking about and provide some insights and solutions. Thanks in advance.
Topic: UI Frameworks SubTopic: AppKit
Replies
0
Boosts
0
Views
95
Activity
May ’25
HealthKit heart rate zones
I would like to get user's heart rate zones values in my watchOS app, is there any way to get it from HealthKit? Furthermore, is it possible to display the Apple heart rate zones widget in my watchOS app?
Replies
2
Boosts
0
Views
369
Activity
Apr ’25
Xcode 16.2, UITabBar, UITabBarItem badge is cut, iPadOS 18.0
The badge is cut if it's assigned to the last item. Is it a known issue? Thank you.
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
2
Boosts
0
Views
97
Activity
May ’25
Is there a way to present a fullscreen view controller and keep drawing the presenting view controller?
Looking for a solution that keeps the presented view controller fullscreen. The background is that I need to take some screenshots of the presenting view controller while the modal is onscreen. It's a pretty messy operation and we don't want to distract and delay the user by doing it before the modal is presented.
Topic: UI Frameworks SubTopic: UIKit
Replies
1
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0
Views
45
Activity
Apr ’25
Application crashes when using TextEditor(text, selection)
I have a TextEditor, to the constructor of which in addition to the text I pass an object of the TextSelection? type. I check on the Simulator with iOS 18.2. An attempt to clear the text leads to a crash with the message "Thread 1: Fatal error: String index is out of bounds" in Xcode. More about the error: libswiftCore.dylib`_swift_runtime_on_report: -> 0x194f32024 <+0>: ret More about the reproduction conditions: struct MyView: View { @Bindable private var viewModel = MyViewModel() @State var myTextSelection: TextSelection? = nil var body: some View { ZStack { // Some other code myEditor // Some other code } .toolbar { ToolbarItem(placement: .primaryAction) { Button { viewModel.clear() } label: { Label("Clear", systemImage: "eraser") } } } } var myEditor: some View { ZStack(alignment: .topLeading) { TextEditor(text: $viewModel.text, selection: $myTextSelection) .disableAutocorrection(true) .autocapitalization(.sentences) } // Some other code } } MyViewModel: @Observable final class MyViewModel: ObservableObject { var text: String = "" func clear() { text = "" } }
Replies
1
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0
Views
130
Activity
May ’25
RPSystemBroadcastPickerView in Replaykit not showing my own app as broadcast provider
I have setup the extension for replaykit successfully , the bundle id and everything is correct but still the system broadcast picker view is not showing my own app to broadcast screen content when trying to do system wide broadcast.
Replies
0
Boosts
0
Views
99
Activity
Apr ’25
App Name Display
For now, my app name length is more than 20 characters, so the iPhone app name displays without a space, and uses the range operator to ensure showing the rest in the next line. Is it possible to show space and name with 2 lines?
Topic: UI Frameworks SubTopic: General Tags:
Replies
0
Boosts
0
Views
84
Activity
May ’25
Unable to use transitions for SwiftData in List
I can't for the life of me get transitions and animations to work well with SwiftData and List on MacOS 15 and iOS 18. I've included an example below, where I define several animations and a transition type, but they are all ignored. How do I animate items being added to / removed from a List()? I am attached to List() due to its support for selection, context menu, keyboard shortcuts, etc. If I would switch to ScrollView with VStack I would have to rebuild all of that. Also, this is super basic and should just work, right? Thanks for reading. import SwiftUI import SwiftData struct ContentView: View { @Environment(\.modelContext) private var modelContext /// Issues on iOS: /// Items animate into and out of view, but I seem to have no control over the animation. /// In the code here I've specified a 'bouncy' and a slow 'easeIn' animation: both are not triggered. /// The code also specifies using a 'slide' transition, but it is ignored. /// -> How do I control the transition and animation timing on iOS? /// /// Issues on MacOS: /// Items do not animate at all on MacOS! They instantly appear and are instantly removed. /// -> How do I control the transition and animation timing on MacOS? // animation added here -> has no effect? @Query(animation: .bouncy) private var items: [Item] var body: some View { VStack { Button("Add to list") { // called without 'withAnimation' -> no animation let newItem = Item(timestamp: Date()) modelContext.insert(newItem) } List() { ForEach(items, id: \.self) { item in Text(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard)) .transition(.slide) // items do not slide in/out of view .onTapGesture { // called with 'withAnimation' -> no animation withAnimation(.easeIn(duration: 2)) { modelContext.delete(item) } } } .animation(.spring(duration: 3), value: items) } } .padding() } } #Preview { ContentView() .modelContainer(for: Item.self, inMemory: true) }
Replies
5
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1
Views
1.6k
Activity
Apr ’25
Is applicationDidFinishLaunching: guaranteed to be called before INIntent delegate methods when app is launched via a Shortcut?
I have a question about the app lifecycle when my app is launched via a Shortcut. I'm adding a INIntent to a Mac app. So my app delegate implements: - (nullable id)application:(NSApplication *)application handlerForIntent:(INIntent *)intent Then my custom intent handler implements the two protocol methods -confirmIntentNameHere:completion: and -handleIntentNameHere:completion: During my testing -applicationDidFinishLaunching: is called before the intent methods, so I can forward methods to my main window controller to perform the shortcut actions, since it's already ready. ....But if this is not always the case, I can still perform them but I'd have to move the code out of the window controller to perform the action "headless" if invoked before my app has built its UI. Just wondering if this is something I should be prepared for. Thanks in advance.
Replies
1
Boosts
0
Views
259
Activity
May ’25
[SwiftUI] Gesture Conflict: simultaneousGesture Causes Incorrect Gesture Recognition in iOS 18
Subject: SwiftUI Gesture Conflict in iOS 18: Simultaneous Recognition of Drag and Tap Gestures Description: In SwiftUI on iOS 18 and above, we've identified an issue with gesture handling that affects user experience. When implementing .simultaneousGesture(DragGesture()), the system incorrectly recognizes and processes both drag and tap gestures concurrently, resulting in unintended behavior. Technical Details: Environment: SwiftUI, iOS 18+ Issue: Simultaneous recognition of horizontal drag gestures and vertical scroll/tap gestures Current Behavior: Both vertical and horizontal scrolling occur simultaneously when using .simultaneousGesture(DragGesture()) Expected Behavior: Gestures should be properly disambiguated to prevent concurrent scrolling in multiple directions Impact: This behavior significantly impacts user experience, particularly in custom carousel implementations and other UI components that rely on precise gesture handling. The simultaneous recognition of both gestures creates a confusing and unpredictable interaction pattern. Steps to Reproduce: Create a SwiftUI view with horizontal scrolling (e.g., custom carousel) Implement .simultaneousGesture(DragGesture()) Add tap gesture recognition to child views Run on iOS 18 Attempt to scroll horizontally Observed Result: Both horizontal dragging and vertical scrolling/tapping are recognized and processed simultaneously, creating an inconsistent user experience. Expected Result: The system should properly disambiguate between horizontal drag gestures and vertical scroll/tap gestures, allowing only one type of gesture to be recognized at a time based on the user's intent. Please let me know if you need any additional information or reproduction steps.
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132
Activity
Apr ’25
Bundling OSX installer plugin with productbuild/pkgbuild
I'm trying to create a .pkg installer with productbuild/pkgbuild. But I'd also like to add my custom installer plugin to this. I'm using the following script. I'd like to add my bundle into this script. Since there are no official docs from apple how to do this nor there are a lot of updated resources, here are some things I have tried. adding the following line to Distrubtion.xml <bundle id="pluginid" path="path/to/myplugin.bundle"/> adding component tag to pkgbuild also doesn't do anything --component "path/to/myplugin.bundle" The bundle itself is build with XCode - it is a simple UI for user to type some input in Apple provides documentation for Distribution.xml file, which supports different UI elements but doesn't support text input - docs I have been also looking at this tutorial , it is very outdated but i could still fit it to my needs except the part where the .bundle file needs to be inserted into .pkg. Note - there is no option to view the contents of .pkg file build with pkbuild/productbuild How can i do this process correctly? I would like to link my installer pane plugin to a generic .pkg(with licenses and so on). I'd appreciate any kind of help!
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148
Activity
May ’25
VisionOS custom hover effect and click sound
I have created a custom hover effect per this WWDC video and many other examples on the Net: https://developer.apple.com/videos/play/wwdc2024/10152/ I can get the button to expand when looked at within a VisionOS device and it will invoke a tap event when tapped but there is no click sound like a normal SwiftUI button does in VisionOS! I can't for the life of me figure out why. Any help would be appreciated!
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314
Activity
Apr ’25