On Apple Watch, I have used toolbarForegroundStyle view modifier to change the color of the navigation title programmatically to offer theming support for users. In watchOS 26 it no longer seem to have any effect. For example with .toolbarForegroundStyle(.blue, for: .navigationBar) the title color still uses the AccentColor from the Assets catalog. Is there any other setup required to get this working, or is it a bug? Filed a feedback FB18527395

A document-based app with NavigationSplitView shows duplicate file navigation controls on iPad. This can be easily replicated by creating a multiplatform app in Xcode. The template app shows this behaviour when running on iPad. This looks very much like a bug.

How can I create a view that is like the one in the Photos app where you can select an item and it fills the window, then you can drag / swipe between items in that view? I have a working prototype, and it works for photos. But once I get to a video, the gesture no longer works.

The URL directory obtained by UIDocumentPickerVieweController can be read and written in the directory after calling startAccessingDecurityScopeResource. However, after restarting the app, if the URL saved in the package is called startAccessingDecurityScopeResource again and returns NO, UIDocumentPickerVieweController must be called again to retrieve the URL, and then startAccessingDecurityScopeResource must be called again before continuing the operation. This is too troublesome. Is there a way to continue reading and writing operations in the URL directory after restarting the app?

Previously, I sorted my FetchResult in a TableView like this: @FetchRequest( sortDescriptors: [SortDescriptor(\.rechnungsDatum, order: .forward)], predicate: NSPredicate(format: "betragEingang == nil OR betragEingang == 0") ) private var verguetungsantraege: FetchedResults<VerguetungsAntraege> ... body ... Table(of:VerguetungsAntraege.self, sortOrder: $verguetungsantraege.sortDescriptors) { TableColumn("date", value:\.rechnungsDatum) { item in Text(Formatters.dateFormatter.string(from: item.rechnungsDatum ?? Date()) ) } .width(120) TableColumn("rechNrKurz", value:\.rechnungsNummer) { item in Text(item.rechnungsNummer ?? "") } .width(120) TableColumn("betrag", value:\.totalSum ) { Text(Formatters.currencyFormatter.string(from: $0.totalSum as NSNumber) ?? "kein Wert") } .width(120) TableColumn("klient") { Text(db.getKlientNameByUUID(id: $0.klient ?? UUID(), moc: moc)) } } rows: { ForEach(Array(verguetungsantraege)) { antrag in TableRow(antrag) } } There seem to be changes here in Xcode 26. In any case, I always get the error message in each line with TableColumn("title", value: \.sortingField) Ambiguous use of 'init(_:value:content:)' Does anyone have any idea what's changed? Unfortunately, the documentation doesn't provide any information.

Hi, I've got an app that displays markdown in UITextView / NSTextView. I would like it to behave like Notes app does, that is if user types the line start modifier, e.g: "# " or "> " I would like the keyboard to show a capitalized letters. I've tried looking into overriding insertText - and it breaks the predictive text (can not insert white space). I've tried implementing UITextInputTokenizer but no luck either. Like I said, I see the Notes app does it perfectly, so maybe I'm missing something obvious or there is a way to do it without interrupting the auto-correction and predictive text. Ideally same thing can be applied to the NSTextView as the app support both platforms.

I have recently submitted a new app version to the Appstore with Xcode 15.0. Unfortunately, I have started to see the below crash in the Xcode organiser > Crashes section occurring for more number of times. UIKitCore: +[UIAlertController _alertControllerContainedInViewController:] + 160 The exception trace is not leading to main() function but not pointing to any of the code line. I had used UIAlertController in the past versions to show the alerts but there is no code written in the current version code related to UIAlertController. Only from the latest version, this kind of crash started to surface. In the latest release, We have added a third party SDK and while implementing the SDK, we had added the Location and Bluetooth Permissions in Info.plist file. But as we don't want to use/track the Location and Bluetooth details from the app, the SDK team has disabled the Location and Bluetooth settings to not reflect in the tracked data. Is this behaviour creating any conflict with the UIAlertController and logging the crash? Because by default the OS tries to show the alert when the permissions exist in the plist file, but the alert will not come as the service is disabled on the SDK server settings. Is this creating any conflict and logging the crash. Please extend your help.

I have filed a bug report for this (FB17734946), but I'm posting it here verbatim in case others have the same issue and in hopes of getting attention from an Apple engineer sooner. When calling setNeedsDisplayInRect on a CATiledLayer - or a UIView whose backing layer is CATiledLayer - one would expect to re-draw only a region identified by the rect passed to the method. This is even written in the documentation for the class: "Regions of the layer may be invalidated using the setNeedsDisplayInRect: method however the update will be asynchronous. While the next display update will most likely not contain the updated content, a future update will." However, upon calling this method, CATiledLayer redraws whole contents instead of just the tile at the specified rect, and it flashes when doing so. It behaves exactly the same as if one had called setNeedsDisplay without passing any rect; all contents are cleared and re-drawn again. I'm 100% sure I've passed in the correct rect of the exact tile that I need to redraw. I have even tried passing much smaller rects, but still the same. (And yes, the rect I've passed accounts for the current level of detail.) I have found this GitHub repo https://github.com/frankus/NetPhotoScroller, which based on discussion from here https://forums.macrumors.com/threads/catiledlayer-blanks-out-tiles-when-redrawing.1333948/ aims at solving these issues by using two private methods on CATiledLayer class: (void)setNeedsDisplayInRect:(CGRect)r levelOfDetail:(int)level; (BOOL)canDrawRect:(CGRect)rect levelOfDetail:(int)level; I have explored the repo in detail, however I wasn't able to test exactly this code from the GitHub repo. I have tried using those two private methods myself (through an Objective-C class that defines the methods in the header file and then a swift class which inherits it), but I couldn't solve the issue; the flashing and the full re-draw is still there. After doing a lot of research, the conclusion seems to be that one cannot use CATiledLayer with contents that are downloaded remotely, on demand, as tiles are being requested. I have, however, found one interesting thing which seems to work so far: before calling setNeedsDisplayInRect (or just setNeedsDisplay, as they behave the same for CATiledLayer in my testing), cache the current layer's contents, and after calling setNeedsDisplay (or setNeedsDisplayInRect), restore the contents back to the layer. This prevents flashing and preserves any tiles that were drawn at the time of the re-draw. let c = tiledLayer.contents tiledLayer.setNeedsDisplay(tileRect) tiledLayer.contents = c However! Docs clearly state the warning: Do not attempt to directly modify the contents property of a CATiledLayer object. Doing so disables the ability of a tiled layer to asynchronously provide tiled content, effectively turning the layer into a regular CALayer object. I believe this message implies modifying the contents property with some raw content, like image data, and that it may be safe to re-apply the existing contents (which are in my testing of type CAImageProvider) -- but I can't rely on an implementation detail in my production app. I have tested this and confirmed that the bug appears on: iPhone 14 Pro, iOS 18.5 iPhone 13 Pro, iOS 17.5.1 iPhone 5s, iOS 15.8.3 iPad Pro 1st gen, iPadOS 18.4.1 a couple simulator versions I can also confirm that the fix (to re-apply contents property) is also working properly on all these versions. Is this expected behavior, that tiled layer redraws itself entirely instead of redrawing specific tiles? Is it safe to modify contents of a CATiledLayer by re-applying the existing contents? If not, is there an alternative to avoid flashing?

Take a look at following sample code. verify the shapes of two toolbar buttons. remove .matchedTransitionSource(id: 1, in: navigationNamespace) for one button. verify the toolbar button shape is changed to normal circle shape The combination usage of matchedTransitionSource and sharedBackgroundVisibility leads to unexpected display result. Removing any of these two view modifier restores the correct display. None of the view modifiers indicates it will crop the button shape. struct ContentView: View { @Namespace var navigationNamespace var body: some View { NavigationStack { ZStack { Color.gray } .ignoresSafeArea() .toolbar { ToolbarItem(placement: .topBarLeading) { Button { } label: { Image(systemName: "person") .font(.title3) .foregroundStyle(Color.accentColor) .frame(width: 50, height: 50) .glassEffect( .regular.interactive(), in: .circle ) } .matchedTransitionSource(id: 1, in: navigationNamespace) } .sharedBackgroundVisibility(.hidden) ToolbarItem(placement: .topBarTrailing) { Button { } label: { Image(systemName: "square.and.pencil") .font(.title3) .foregroundStyle(Color.accentColor) .frame(width: 50, height: 50) .glassEffect( .regular.interactive(), in: .circle ) } .matchedTransitionSource(id: 1, in: navigationNamespace) } .sharedBackgroundVisibility(.hidden) } } } } #Preview { ContentView() }

I am using live activity in my app. Functionality is start, update & end events are started from the server. There is one interaction button added using app intent in live activity widget. That button needs to update widget ui locally using activity kit. Issue is when os receives first start event push then update ui works fine and reflecting on live activity widget but when update notification receives by os after 1 mins then action button stops updating the ui locally. Can anyone please add some suggestions to fix this.

I use NSTextView in my app, and I am getting a LOT of crashes when I’m running the app with the debugger attached, and it all points to this spell checker in NSTextView. The crash happens as soon as the textview shows the ‘word completion’ option. If I turn off the “Continuous Spell Checking” option, it works fine, and it doesn’t crash. The exception reason given is: __NSCFString * "NSMutableRLEArray objectAtIndex:effectiveRange:: Out of bounds" This is what the stack trace looks like in Xcode: Thread 1 Queue : com.apple.main-thread (serial) #0 0x000000018335eb38 in objc_exception_throw () #1 0x0000000184e01910 in -[NSRLEArray objectAtIndex:effectiveRange:] () #2 0x0000000184e519a8 in -[NSMutableAttributedString addAttribute:value:range:] () #3 0x000000018818086c in -[NSText(NSTextAccessibilityPrivate) accessibilityAXAttributedStringForCharacterRange:parent:] () #4 0x0000000187f576b0 in -[NSAccessibilityAttributeAccessorInfo getParameterizedAttributeValue:forObject:withParameter:] () #5 0x0000000187f591a8 in ___NSAccessibilityEntryPointValueForAttributeWithParameter_block_invoke.799 () #6 0x0000000187f5458c in NSAccessibilityPerformEntryPointObject () #7 0x0000000187f56190 in NSAccessibilityEntryPointValueForAttributeWithParameter () #8 0x0000000187cb6a3c in CopyParameterizedAttributeValue () #9 0x00000002327057ac in ___lldb_unnamed_symbol4511 () #10 0x0000000232705854 in ___lldb_unnamed_symbol4512 () #11 0x000000018a5b3670 in _AXXMIGCopyParameterizedAttributeValue () #12 0x000000018a5d4894 in _XCopyParameterizedAttributeValue () #13 0x000000018a592ff8 in mshMIGPerform () #14 0x000000018382a250 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ () #15 0x000000018382a178 in __CFRunLoopDoSource1 () #16 0x0000000183828b78 in __CFRunLoopRun () #17 0x0000000183827c58 in CFRunLoopRunSpecific () #18 0x000000018f2bc27c in RunCurrentEventLoopInMode () #19 0x000000018f2bf4e8 in ReceiveNextEventCommon () #20 0x000000018f44a484 in _BlockUntilNextEventMatchingListInModeWithFilter () #21 0x000000018774fab4 in _DPSNextEvent () #22 0x00000001880ee5b0 in -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] () #23 0x00000001884b836c in -[NSCorrectionPanel _interceptEvents] () #24 0x00000001884b8f30 in -[NSCorrectionPanel showPanelAtRect:inView:primaryString:alternativeStrings:forType:completionHandler:] () #25 0x00000001880c91ec in -[NSSpellChecker showCorrectionIndicatorOfType:range:primaryString:alternativeStrings:forStringInRect:view:completionHandler:] () #26 0x00000001880ca0c0 in -[NSSpellChecker _showInlinePredictionForReplacingRange:markedRange:string:withString:view:client:lastReplacementRange:completeWordIndexes:resultDictionary:completionHandler:] () #27 0x00000001880cb26c in -[NSSpellChecker showCompletionForCandidate:selectedRange:offset:inString:rect:view:client:completionHandler:] () #28 0x0000000188303a94 in -[NSTextCheckingController handleCompletionFromCandidates:forSelectedRange:offset:inAnnotatedString:rect:view:] () #29 0x00000001882f9054 in -[NSTextCheckingController viewForRange:completionHandler:] () #30 0x00000001883041c8 in __60-[NSTextCheckingController handleCandidates:sequenceNumber:]_block_invoke () #31 0x000000018789105c in -[NSTextCheckingController annotatedSubstringForProposedRange:wrap:completionHandler:failureHandler:] () #32 0x0000000187890da4 in -[NSTextCheckingController annotatedSubstringForProposedRange:completionHandler:] () #33 0x00000001878927d4 in -[NSTextCheckingController annotatedSubstringForSelectedRangeWithCompletionHandler:] () #34 0x0000000188304134 in -[NSTextCheckingController handleCandidates:sequenceNumber:] () #35 0x00000001883067e0 in ___NSRunLoopTimerCreateWithHandler_block_invoke () #36 0x0000000183842e14 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ () #37 0x0000000183842ad4 in __CFRunLoopDoTimer () #38 0x0000000183842610 in __CFRunLoopDoTimers () #39 0x0000000183828a18 in __CFRunLoopRun () #40 0x0000000183827c58 in CFRunLoopRunSpecific () #41 0x000000018f2bc27c in RunCurrentEventLoopInMode () #42 0x000000018f2bf4e8 in ReceiveNextEventCommon () #43 0x000000018f44a484 in _BlockUntilNextEventMatchingListInModeWithFilter () #44 0x000000018774fab4 in _DPSNextEvent () #45 0x00000001880ee5b0 in -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] () #46 0x0000000187742c64 in -[NSApplication run] () #47 0x000000018771935c in NSApplicationMain () If I run the debug version of the app without the debugger, it works fine as well. In fact, if I run the app without "All Objective-C Exceptions" breakpoint, it also works fine. So it seems like some framework issue, which is making it hard to run and test my app. What’s the reason for this, and is this an issue I should be worried about for when the app is available to my users?

Is there a way to detect when your apps (or any app I guess) is being moved by the user clicking and dragging the main window around the desktop at all? I'm trying to find out if there's a way I can find out if a window is being clicked and dragged and whether there's certain triggers to the movement a little bit like shaking an iPhone with Shake to Undo. Thanks

I’m updating my app’s alternate icons using UIApplication.shared.setAlternateIconName, and I noticed that in iOS 26, Xcode now supports the new .icon file format for App Icons. Is it possible to reference .icon files directly for alternate icons? Or does setAlternateIconName still only support traditional .png assets inside the AppIcon set? I couldn’t find any documentation confirming this either way, and I want to ensure compatibility with the new format while supporting alternate icons. Any clarification or Apple documentation link would be greatly appreciated!

Hi all, I’m trying to implement a collapsible section in a List on watchOS (watchOS 10+). The goal is to have a disclosure chevron that toggles a section open/closed with animation, similar to DisclosureGroup on iOS. Unfortunately, DisclosureGroup is not available on watchOS. 😢 On iOS, this works as expected using this Section init: Section("My Header", isExpanded: $isExpanded) { // content } That gives me a tappable header with a disclosure indicator and the animation built in, as expected. But on watchOS, this same init displays the header, but it’s not tappable, and no disclosure triangle appears. I’ve found that to get it working on watchOS, I need to use the other initializer: Section(isExpanded: $isExpanded) { // content } header: { Button(action: { isExpanded.toggle() }) { HStack { Title("My Header") Spacer() Image(systemName: isExpanded ? "chevron.down" : "chevron.right") } } That works, but feels like a workaround. Is this the intended approach for watchOS, or am I missing a more native way to do this? Any best practices or alternative recommendations appreciated. Thanks!

I have a widget that runs well on iOS 18. It is configurable and implements AppIntentTimelineProvider on the Provider. On iOS 17 it will call the placeholder method 7 times and not call the timeline method. The configuration intent implements WidgetConfigurationIntent. I've looked through the console logs and saw "ApplicationExtension record not found" but I'm not sure where to go from there. Why would the same widget work fine on iOS 18 and not 17? If I implement TimelineProvider and use a StaticConfiguration it works on iOS 17. Any help / guidance would be appreciated.

Hello, In a new app I am working on I noticed the FamilyActivityTitleView that displays "ApplicationToken" has wrong (black) color when phone is set to light mode but app is using dark mode via override. We display user's selected apps and the labels are rendered correctly at first, but then when user updates selection with FamilyActivityPicker, then those newly added apps are rendered with black titles. The problem goes away when I close the screen and open it again. It also doesn't happen when phone is set to dark theme. I am currently noticing the issue on iOS 18.4.1. I have tried various workarounds like forcing white text in the custom label style, forcing re-render with custom .id value but nothing helped. Is there any way how to fix this?

I am trying to create a radio group picker in SwiftUI, similar to this: https://www.neobrutalism.dev/docs/radio-group I already have a working view based version here: https://github.com/rational-kunal/NeoBrutalism/blob/main/Sources/NeoBrutalism/Components/Radio/Radio.swift Now I want to replace it with a more concise/swifty way of Picker with PickerStyle API: However, I can't find any official documentation or examples showing how to implement PickerStyle. Is it possible to create my own PickerStyle? If not, what’s the recommended alternative to achieve a radio‑group look while still using Picker? struct NBRadioGroupPickerStyle: PickerStyle { static func _makeView<SelectionValue>(value: _GraphValue<_PickerValue<NBRadioGroupPickerStyle, SelectionValue>>, inputs: _ViewInputs) -> _ViewOutputs where SelectionValue : Hashable { <#code#> } static func _makeViewList<SelectionValue>(value: _GraphValue<_PickerValue<NBRadioGroupPickerStyle, SelectionValue>>, inputs: _ViewListInputs) -> _ViewListOutputs where SelectionValue : Hashable { <#code#> } } Crossposting: https://forums.swift.org/t/how-can-i-build-a-custom-pickerstyle-in-swiftui/80755

When my CPMapButton is selected/focused, I would like to be able to provide a focusedImage to correctly show the button when the blue focus is shown. Currently I have: What do I need to do to create an image that works more like the panning interface buttons?

When using UITabBarController and set a custom tabbar: TabBarViewController.swift import UIKit class BaseViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() } } class HomeViewController: BaseViewController { override func viewDidLoad() { super.viewDidLoad() view.backgroundColor = .red navigationItem.title = "Home" tabBarItem = UITabBarItem(title: "Home", image: UIImage(systemName: "house"), tag: 0) } } class PhoneViewController: BaseViewController { override func viewDidLoad() { super.viewDidLoad() view.backgroundColor = .purple navigationItem.title = "Phone" tabBarItem = UITabBarItem(title: "Phone", image: UIImage(systemName: "phone"), tag: 1) } } class PhotoViewController: BaseViewController { override func viewDidLoad() { super.viewDidLoad() view.backgroundColor = .yellow navigationItem.title = "Photo" tabBarItem = UITabBarItem(title: "Photo", image: UIImage(systemName: "photo"), tag: 1) } } class SettingViewController: BaseViewController { override func viewDidLoad() { super.viewDidLoad() view.backgroundColor = .green navigationItem.title = "Setting" tabBarItem = UITabBarItem(title: "Setting", image: UIImage(systemName: "gear"), tag: 1) } } class TabBarViewController: UITabBarController { override func viewDidLoad() { super.viewDidLoad() let homeVC = HomeViewController() let homeNav = NavigationController(rootViewController: homeVC) let phoneVC = PhoneViewController() let phoneNav = NavigationController(rootViewController: phoneVC) let photoVC = PhotoViewController() let photoNav = NavigationController(rootViewController: photoVC) let settingVC = SettingViewController() let settingNav = NavigationController(rootViewController: settingVC) viewControllers = [homeNav] let dataSource = [ CustomTabBar.TabBarModel(title: "Home", icon: UIImage(systemName: "house")), CustomTabBar.TabBarModel(title: "Phone", icon: UIImage(systemName: "phone")), CustomTabBar.TabBarModel(title: "Photo", icon: UIImage(systemName: "photo")), CustomTabBar.TabBarModel(title: "Setting", icon: UIImage(systemName: "gear")) ] let customTabBar = CustomTabBar(with: dataSource) setValue(customTabBar, forKey: "tabBar") } } CustomTabBar.swift: import UIKit class CustomTabBar: UITabBar { class TabBarModel { let title: String let icon: UIImage? init(title: String, icon: UIImage?) { self.title = title self.icon = icon } } class TabBarItemView: UIView { lazy var titleLabel: UILabel = { let titleLabel = UILabel() titleLabel.translatesAutoresizingMaskIntoConstraints = false titleLabel.font = .systemFont(ofSize: 14) titleLabel.textColor = .black titleLabel.textAlignment = .center return titleLabel }() lazy var iconView: UIImageView = { let iconView = UIImageView() iconView.translatesAutoresizingMaskIntoConstraints = false iconView.contentMode = .center return iconView }() private var model: TabBarModel init(model: TabBarModel) { self.model = model super.init(frame: .zero) setupSubViews() } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } private func setupSubViews() { addSubview(iconView) iconView.topAnchor.constraint(equalTo: topAnchor).isActive = true iconView.centerXAnchor.constraint(equalTo: centerXAnchor).isActive = true iconView.widthAnchor.constraint(equalToConstant: 34).isActive = true iconView.heightAnchor.constraint(equalToConstant: 34).isActive = true iconView.image = model.icon addSubview(titleLabel) titleLabel.topAnchor.constraint(equalTo: iconView.bottomAnchor).isActive = true titleLabel.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true titleLabel.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true titleLabel.heightAnchor.constraint(equalToConstant: 16).isActive = true titleLabel.text = model.title } } private var dataSource: [TabBarModel] init(with dataSource: [TabBarModel]) { self.dataSource = dataSource super.init(frame: .zero) setupTabBars() } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } override func sizeThatFits(_ size: CGSize) -> CGSize { var sizeThatFits = super.sizeThatFits(size) let safeAreaBottomHeight: CGFloat = safeAreaInsets.bottom sizeThatFits.height = 52 + safeAreaBottomHeight return sizeThatFits } private func setupTabBars() { backgroundColor = .orange let multiplier = 1.0 / Double(dataSource.count) var lastItemView: TabBarItemView? for model in dataSource { let tabBarItemView = TabBarItemView(model: model) addSubview(tabBarItemView) tabBarItemView.translatesAutoresizingMaskIntoConstraints = false tabBarItemView.topAnchor.constraint(equalTo: topAnchor).isActive = true tabBarItemView.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true if let lastItemView = lastItemView { tabBarItemView.leadingAnchor.constraint(equalTo: lastItemView.trailingAnchor).isActive = true } else { tabBarItemView.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true } tabBarItemView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: multiplier).isActive = true lastItemView = tabBarItemView } } } UIKit show both custom tabbar and system tabbar: the Xcode version is: Version 26.0 beta 2 (17A5241o) and the iOS version is: iOS 26 (23A5276f)

I have a SwiftUI view that I have wrapped using UIHostingController for use within UIKit. Requirement: Within the UIKit environment, I want to get all the subviews of this SwiftUI view and determine whether the images within those subviews have finished loading. For UIKit views, we can use view.subviews to get all the subviews and do the check. However, for SwiftUI views, I found that the view.subviews turns out to be an empty array, making it impossible to do further checks. So the question is How can I get the subviews of a SwiftUI view?