I’m trying to add the .header accessibility trait to a UISegmentedControl so that VoiceOver recognizes it accordingly. However, setting the trait using the following code doesn’t seem to have any effect:
segmentControl.accessibilityTraits = segmentControl.accessibilityTraits.union(.header)
Even after applying this, VoiceOver doesn’t announce it as a header. Is there any workaround or recommended approach to achieve this?
UIKit
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Our Apple TV provides UIImages with renderingMode forced to .alwaysTemplate (the images are also configured with "Render As" to "Template image" in the Asset catalog) to UIActions as UIMenuElement when building a UICollectionView UIContextMenuConfiguration.
Problem: these images are not displayed with vibrancy effect by the system.
The issue does not occur with system images (SVG from SF Catalog).
Here is a screenshot showing the issue with custom images ("Trailer" and "Remove from favourites"):
I don't know the underlying implementation of the context menu items image but UIImageView already implements the tintColorDidChange() method and the vibrancy should work if the UIImage is rendered as template.
According to my tests, the vibrancy is correctly applied when using Symbols sets instead of Images sets but I understand that custom images rendered as template should support it as-well, shouldn't they?
I set UIToolbar and UIBarButtonItem to UITextField placed on Xib, but when I run it on iOS18 iPad, the following error is output to Xcode Console, and UIPickerView set to UITextField.inputView is not displayed.
Error: this application, or a library it uses, has passed an invalid numeric value (NaN, or not-a-number) to CoreGraphics API and this value is being ignored. Please fix this problem.
If you want to see the backtrace, please set CG_NUMERICS_SHOW_BACKTRACE environmental variable.
Backtrace:
<CGPathAddLineToPoint+71>
<+[UIBezierPath _continuousRoundedRectBezierPath:withRoundedCorners:cornerRadii:segments:smoothPillShapes:clampCornerRadii:]
<+[UIBezierPath _continuousRoundedRectBezierPath:withRoundedCorners:cornerRadius:segments:]+175>
<+[UIBezierPath _roundedRectBezierPath:withRoundedCorners:cornerRadius:segments:legacyCorners:]+338>
<-[_UITextMagnifiedLoupeView layoutSubviews]+2233>
<__56-[_UITextMagnifiedLoupeView _updateCloseLoupeAnimation:]_block_invoke+89>
<+[UIView(UIViewAnimationWithBlocksPrivate) _modifyAnimationsWithPreferredFrameRateRange:updateReason:animations:]+166>
<block_destroy_helper.269+92>
<block_destroy_helper.269+92>
<__swift_instantiateConcreteTypeFromMangledName+94289>
<block_destroy_helper.269+126>
<+[UIView(UIViewAnimationWithBlocks) _setupAnimationWithDuration:delay:view:options:factory:animations:start:anima
<block_destroy_helper.269+6763>
<block_destroy_helper.269+10907>
<-[_UITextMagnifiedLoupeView _updateCloseLoupeAnimation:]+389>
<-[_UITextMagnifiedLoupeView setVisible:animated:completion:]+256>
<-[UITextLoupeSession _invalidateAnimated:]+329>
<-[UITextRefinementTouchBehavior textLoupeInteraction:gestureChangedWithState:location:translation:velocity:
<-[UITextRefinementInteraction loupeGestureWithState:location:translation:velocity:modifierFlags:shouldCanc
<-[UITextRefinementInteraction loupeGesture:]+701>
<-[UIGestureRecognizerTarget _sendActionWithGestureRecognizer:]+71>
<_UIGestureRecognizerSendTargetActions+100>
<_UIGestureRecognizerSendActions+306>
<-[UIGestureRecognizer _updateGestureForActiveEvents]+704>
<_UIGestureEnvironmentUpdate+3892>
<-[UIGestureEnvironment _updateForEvent:window:]+847>
<-[UIWindow sendEvent:]+4937>
<-[UIApplication sendEvent:]+525>
<__dispatchPreprocessedEventFromEventQueue+1436>
<__processEventQueue+8610>
<updateCycleEntry+151>
<_UIUpdateSequenceRun+55>
<schedulerStepScheduledMainSection+165>
<runloopSourceCallback+68>
<__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__+17>
<__CFRunLoopDoSource0+157>
<__CFRunLoopDoSources0+293>
<__CFRunLoopRun+960>
<CFRunLoopRunSpecific+550>
<GSEventRunModal+137>
<-[UIApplication _run]+875>
<UIApplicationMain+123>
<__debug_main_executable_dylib_entry_point+63>
10d702478 204e57345
Type: Error | Timestamp: 2025-03-09 00:22:46.121407+09:00 | Process: FurusatoLocalCurrency | Library: CoreGraphics | Subsystem: com.apple.coregraphics | Category: Unknown process name | TID: 0x5c360
Unable to simultaneously satisfy constraints.
Probably at least one of the constraints in the following list is one you don't want.
Try this:
(1) look at each constraint and try to figure out which you don't expect;
(2) find the code that added the unwanted constraint or constraints and fix it.
(Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints)
(
"<NSAutoresizingMaskLayoutConstraint:0x600002202a30 h=--& v=--& _UIToolbarContentView:0x7fc2c6a5b8f0.width == 0 (active)>",
"<NSLayoutConstraint:0x600002175e00 H:|-(0)-[_UIButtonBarStackView:0x7fc2c6817b10] (active, names: '|':_UIToolbarContentView:0x7fc2c6a5b8f0 )>",
"<NSLayoutConstraint:0x600002175e50 H:[_UIButtonBarStackView:0x7fc2c6817b10]-(0)-| (active, names: '|':_UIToolbarContentView:0x7fc2c6a5b8f0 )>",
"<NSLayoutConstraint:0x6000022019f0 'TB_Leading_Leading' H:|-(8)-[_UIModernBarButton:0x7fc2a5aa8920] (active, names: '|':_UIButtonBarButton:0x7fc2a5aa84d0 )>",
"<NSLayoutConstraint:0x600002201a40 'TB_Trailing_Trailing' H:[_UIModernBarButton:0x7fc2a5aa8920]-(0)-| (active, names: '|':_UIButtonBarButton:0x7fc2a5aa84d0 )>",
"<NSLayoutConstraint:0x600002201e50 'UISV-canvas-connection' UILayoutGuide:0x600003b7d420'UIViewLayoutMarginsGuide'.leading == _UIButtonBarButton:0x7fc2f57117f0.leading (active)>",
"<NSLayoutConstraint:0x600002201ea0 'UISV-canvas-connection' UILayoutGuide:0x600003b7d420'UIViewLayoutMarginsGuide'.trailing == UIView:0x7fc2a5aac8e0.trailing (active)>",
"<NSLayoutConstraint:0x6000022021c0 'UISV-spacing' H:[_UIButtonBarButton:0x7fc2f57117f0]-(0)-[UIView:0x7fc2a5aa8330] (active)>",
"<NSLayoutConstraint:0x600002202210 'UISV-spacing' H:[UIView:0x7fc2a5aa8330]-(0)-[_UIButtonBarButton:0x7fc2a5aa84d0] (active)>",
"<NSLayoutConstraint:0x600002202260 'UISV-spacing' H:[_UIButtonBarButton:0x7fc2a5aa84d0]-(0)-[UIView:0x7fc2a5aac8e0] (active)>",
"<NSLayoutConstraint:0x600002176f30 'UIView-leftMargin-guide-constraint' H:|-(0)-[UILayoutGuide:0x600003b7d420'UIViewLayoutMarginsGuide'](LTR) (active, names: '|':_UIButtonBarStackView:0x7fc2c6817b10 )>",
"<NSLayoutConstraint:0x600002176e40 'UIView-rightMargin-guide-constraint' H:[UILayoutGuide:0x600003b7d420'UIViewLayoutMarginsGuide']-(0)-|(LTR) (active, names: '|':_UIButtonBarStackView:0x7fc2c6817b10 )>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x600002201a40 'TB_Trailing_Trailing' H:[_UIModernBarButton:0x7fc2a5aa8920]-(0)-| (active, names: '|':_UIButtonBarButton:0x7fc2a5aa84d0 )>
Make a symbolic breakpoint at UIViewAlertForUnsatisfiableConstraints to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKitCore/UIView.h> may also be helpful.
I have a UITextField in my application, and I want to detect all the keys uniquely to perform all relevant task. However, there is some problem in cleanly identifying some of the keys.
I m not able to identify the backspace key press in the textField(_:shouldChangeCharactersIn:replacementString:) method.
Also I don't know how to detect the Caps Lock key.
I am intending to so this because I want to perform some custom handling for some keys. Can someone help me with what is the way of detecting it under the recommendation from apple. Thanks in advance.
Note: checking for replacementString parameter in shouldChangeCharactersIn method for empty does not help for backspace detection as it overlaps with other cases.
I have a situation where I need to add a UINavigationController as a child view controller within another view controller. When I do this, there is a gap between the bottom of the navigation controller's root view controller and the bottom of the navigation controller's own view. This happens even though I am constraining the navigation controller's view to the edges of its superview, not the safe areas.
I'd really like to eliminate this gap, but nothing I have tried is working.
Hello,
We are experiencing some issues with our USB accessory unexpectedly charging the iOS device it is connected with only when the iOS device supports USB-C and is on iOS 18+
The following is a description of the discrepancy we note between iOS versions:
After performing a USB Role switch, our Accessory becomes a typical USB Device and the Apple device becomes the USB host.
with iOS 17:
The Accessory then sends a PowerSourceUpdate message to the iOS 17 device via iAP2 protocol. Apple device has a USB Type C Connector. *
We are specifying:
AvailableCurrentForDevice = 0 mA
DeviceBatteryShouldChargeIfPowerIsPresent = 1.
Three observations:
iPad Battery Settings page - we observe 'Last charged to…' (indicating no charging)
On the Lumify App running (iOS 17), we observe that UIKit.current.batteryState indicated 'Not charging'
Battery icon on top right of the screen indicates 'No Charging'
with iOS 18:
The same Accessory sends the same PowerSourceUpdate message to the iOS 18 device via iAP2 protocol using USB Type C Connector.
We are specifying the same:
AvailableCurrentForDevice = 0 mA
DeviceBatteryShouldChargeIfPowerIsPresent = 1.
We observe:
iPad Battery Settings page - we observe 'Charging'
On the Lumify App running (iOS 18), we observe that UIKit.current.batteryState indicated 'Charging'
Battery icon on top right of the screen indicates 'No Charging'
Please could you help us understand why the Battery status is showing as 'Charging' in the Settings page and with the 'UIKit.current.batteryState' even though we have specified 'AvailableCurrentForDevice = 0 mA'?
Since our accessory is heavily reliant on the Battery status / Charging state, is there potentially another way we get an accurate battery charging status that we are missing? Or are there other suggestions outside of what we do currently to ensure our accessory does not place the iOS18 device into a charging state?
When I build UITabBarController on (iPad + iOS18), selectedImage on each tabBarItems don't appear. (SwiftUI TabView can change iconImages by state change, so no problem on SwiftUI. But I need to use UITabBarController)
How Could I solve this problem and show the selectedImages?
sample project which produce the problem: github
Hello,
I’m developing an app where I display a SwiftUI view inside a UIHostingController embedded within a UIKit ViewController.
I’m trying to animate the height of the UIHostingController’s view based on a switch’s value, but the SwiftUI view doesn’t animate at all.
Below is a simplified version of my code:
class ViewController: UIViewController {
private lazy var parentView: UIView = {
let view = UIView()
view.backgroundColor = .red
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
private lazy var hostingView: UIView = {
let testView = TestView()
let hostingController = UIHostingController(rootView: testView)
let view = hostingController.view!
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
private lazy var button: UISwitch = {
let button = UISwitch()
button.addTarget(self, action: #selector(onClickSwitch(sender:)), for: .valueChanged)
button.translatesAutoresizingMaskIntoConstraints = false
return button
}()
private var hostingViewHeightConstraint: NSLayoutConstraint?
override func viewDidLoad() {
super.viewDidLoad()
view.addSubview(parentView)
parentView.addSubview(hostingView)
parentView.addSubview(button)
NSLayoutConstraint.activate([
parentView.topAnchor.constraint(equalTo: view.topAnchor),
parentView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
parentView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
parentView.trailingAnchor.constraint(equalTo: view.trailingAnchor)
])
NSLayoutConstraint.activate([
hostingView.bottomAnchor.constraint(equalTo: parentView.bottomAnchor),
hostingView.leadingAnchor.constraint(equalTo: parentView.leadingAnchor),
hostingView.trailingAnchor.constraint(equalTo: parentView.trailingAnchor)
])
hostingViewHeightConstraint = hostingView.heightAnchor.constraint(equalTo: parentView.heightAnchor, multiplier: 0.5)
hostingViewHeightConstraint?.isActive = true
NSLayoutConstraint.activate([
button.centerXAnchor.constraint(equalTo: parentView.centerXAnchor),
NSLayoutConstraint(item: button,
attribute: .centerY,
relatedBy: .equal,
toItem: parentView,
attribute: .centerY,
multiplier: 0.25,
constant: 0)
])
}
@objc func onClickSwitch(sender: UISwitch) {
hostingViewHeightConstraint?.isActive = false
let multiplier: CGFloat = sender.isOn ? 0.25 : 0.5
hostingViewHeightConstraint = hostingView.heightAnchor.constraint(equalTo: parentView.heightAnchor, multiplier: multiplier)
hostingViewHeightConstraint?.isActive = true
UIView.animate(withDuration: 0.3) {
self.view.layoutIfNeeded()
}
}
}
I’m looking for the behavior demonstrated in the video below:
Does anyone have suggestions on how to achieve this?
when I implementation the UNUserNotificationCenterDelegate
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
var status = ""
if (UIApplication.shared.applicationState == .active) {
status = "active"
} else if (UIApplication.shared.applicationState == .background) {
status = "background"
} else if (UIApplication.shared.applicationState == .inactive) {
status = "inactive"
}
completionHandler()
}
I find that UIApplication.shared.applicationState == .background this case can not execute when application is in background。
why applicationState is inactive not background?
In VoiceOver, when using Group Navigation style, the cursor first focuses on the semantic group. To navigate inside the group, a two-finger swipe (left or right) can be used. This behavior works for default containers like the Navigation Bar, Tab Bar, and Tool Bar.
How can I achieve the same behavior for a custom view?
I tried setting accessibilityContainerType = .semanticGroup, but it only works for Mac Catalyst. Is there an equivalent approach for iOS?
I have an @objC used for notification.
kTag is an Int constant, fieldBeingEdited is an Int variable.
The following code fails at compilation with error: Command CompileSwift failed with a nonzero exit code if I capture self (I edited code, to have minimal case)
@objc func keyboardDone(_ sender : UIButton) {
DispatchQueue.main.async { [self] () -> Void in
switch fieldBeingEdited {
case kTag : break
default : break
}
}
}
If I explicitly use self, it compiles, even with self captured:
@objc func keyboardDone(_ sender : UIButton) {
DispatchQueue.main.async { [self] () -> Void in
switch fieldBeingEdited { // <<-- no need for self here
case self.kTag : break // <<-- self here
default : break
}
}
}
This compiles as well:
@objc func keyboardDone(_ sender : UIButton) {
DispatchQueue.main.async { () -> Void in
switch self.fieldBeingEdited { // <<-- no need for self here
case self.kTag : break // <<-- self here
default : break
}
}
}
Is it a compiler bug or am I missing something ?
I have received permission from Apple to access SensorKit data for my app. I have granted all necessary permissions, but no data is being retrieved.
The didCompleteFetch method is being called, but I’m unsure where to find event data like Device Usage and Ambient Light. Additionally, the didFetchResult method is never called.
Could anyone please assist me in resolving this issue? Any guidance or troubleshooting steps would be greatly appreciated.
import SensorKit
class ViewController: UIViewController, SRSensorReaderDelegate {
let store = SRSensorReader(sensor: .deviceUsageReport)
override func viewDidLoad() {
super.viewDidLoad()
requestSensorAuthorization()
}
func requestSensorAuthorization() {
var sensors: Set<SRSensor> = [
.accelerometer,
.deviceUsageReport,
.messagesUsageReport,
.visits,
.keyboardMetrics,
.phoneUsageReport,
.ambientLightSensor
]
if #available(iOS 16.4, *) {
sensors.insert(.mediaEvents)
}
SRSensorReader.requestAuthorization(sensors: sensors) { error in
if let error = error {
print("Authorization failed: \(error.localizedDescription)")
} else {
self.store.startRecording()
self.requestSensorData()
print("Authorization granted for requested sensors.")
}
}
}
func requestSensorData() {
let fromTime = SRAbsoluteTime.fromCFAbsoluteTime(_cf: Date().addingTimeInterval(-60 * 60).timeIntervalSinceReferenceDate)
let toTime = SRAbsoluteTime.fromCFAbsoluteTime(_cf: Date().timeIntervalSinceReferenceDate)
let request = SRFetchRequest()
request.from = fromTime
request.to = toTime
request.device = SRDevice.current
store.fetch(request)
store.delegate = self
}
func sensorReader(_ reader: SRSensorReader, didCompleteFetch fetchRequest: SRFetchRequest) {
print("Fetch request completed: \(fetchRequest.from) to \(fetchRequest.to)")
Task {
do {
let samples = try await reader.fetch(fetchRequest)
print("Samples count: \(samples)")
} catch {
print("Error Fetching Data: \(error.localizedDescription)")
}
}
}
func sensorReader(_ reader: SRSensorReader, fetching fetchRequest: SRFetchRequest, didFetchResult result: SRFetchResult<AnyObject>) -> Bool {
print(result)
return true
}
}
VoiceOver reads out all visible content on the screen, which is essential for visually challenged users. However, this raises a privacy concern—what if a user accidentally focuses on sensitive information, like a bank account password, and it gets read aloud?
How can developers prevent VoiceOver from exposing confidential data while still maintaining accessibility? Are there best practices or recommended approaches to handle such scenarios effectively?
I’m currently focused on an element at the bottom of the screen. What is the proper way to quickly navigate to the top element? By default, there’s a four-finger single tap to move to the first element, but should I use the Rotor action instead to focus on the element I need?
For example, in the Contacts app while adding a new contact, if I enter a value in a field at the bottom, there’s no quick way to directly save the contact. I have to manually navigate all the way to the top to tap the Done button, which feels a bit inconvenient.
Is there a better way to handle this using VoiceOver?
The issue is, I cannot auto acquire bluetooth keyboard focus in PHPickerViewController after enabling 'Full Keyboard Access' in my IPhone 14 with iOS version 18.3.1. The keyboard focus in PHPickerViewController will show, however, after I tapped on the blank space of the PHPickerViewController. How to make the focus on at the first place then?
I'm using UINavigationController and calling setNavigationBarHidden(true, animated: false). Then I use this controller to present PHPickerViewController using some configuration setup below.
self.configuration = PHPickerConfiguration()
configuration.filter = .any(of: filters)
configuration.selectionLimit = selectionLimit
if #available(iOS 15.0, *), allowOrdering {
configuration.selection = .ordered
}
configuration.preferredAssetRepresentationMode = .current
Finally I set the delegate to PHPickerViewController and call UINavigationController.present(PHPickerViewController, animated: true) to render it.
Also I notice animation showing in first video then disappear.
Recently, my application has been receiving a lot of crashes every day, appearing on the iOS18 system. I can't find where the problem is and how can I solve it?
Code Type: ARM-64 (Native)
Role: Foreground
Parent Process: launchd [1]
Date/Time: 2025-03-10 14:55:49.541 +0800
OS Version: iOS 18.3.1 (22D72)
Report Version: 104
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x00000000 at 0x0000000000000000
Triggered by Thread: 1
Application Specific Information:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[__NSArrayM insertObjects:count:atIndex:]: attempt to insert nil object from objects[126976]'
Thread 0:
0 libsystem_kernel.dylib 0x00000001e95c4788 mach_msg2_trap + 8
1 libsystem_kernel.dylib 0x00000001e95c7e98 mach_msg2_internal + 80
2 libsystem_kernel.dylib 0x00000001e95c7db0 mach_msg_overwrite + 424
3 libsystem_kernel.dylib 0x00000001e95c7bfc mach_msg + 24
4 CoreFoundation 0x0000000197ee3804 0x197e6d000 + 485380
5 CoreFoundation 0x0000000197ee2eb0 0x197e6d000 + 482992
6 CoreFoundation 0x0000000197f35284 CFRunLoopRunSpecific + 588
7 GraphicsServices 0x00000001e51a14c0 GSEventRunModal + 164
8 UIKitCore 0x000000019aa7e674 0x19a690000 + 4122228
9 UIKitCore 0x000000019a6a4e88 UIApplicationMain + 340
10 MyApp 0x0000000102dbfd70 main + 104
11 (null) 0x00000001be18dde8 0x0 + 7484268008
Thread 1 name: com.apple.uikit.xpc-service
Thread 1 Crashed:
0 CoreFoundation 0x0000000197e9a5fc 0x197e6d000 + 185852
1 libobjc.A.dylib 0x0000000195415244 objc_exception_throw + 88
2 CoreFoundation 0x0000000197ed46bc 0x197e6d000 + 423612
3 CoreFoundation 0x0000000197ed37b0 0x197e6d000 + 419760
4 CoreFoundation 0x0000000197e7f5f8 0x197e6d000 + 75256
5 MyApp 0x0000000103e4d4c0 startup_check_root + 12380
6 libdispatch.dylib 0x000000019fc2d248 0x19fc2b000 + 8776
7 libdispatch.dylib 0x000000019fc2efa8 0x19fc2b000 + 16296
8 libdispatch.dylib 0x000000019fc365cc 0x19fc2b000 + 46540
9 libdispatch.dylib 0x000000019fc37124 0x19fc2b000 + 49444
10 libdispatch.dylib 0x000000019fc4238c 0x19fc2b000 + 95116
11 libdispatch.dylib 0x000000019fc41bd8 0x19fc2b000 + 93144
12 libsystem_pthread.dylib 0x0000000222c04680 _pthread_wqthread + 288
13 libsystem_pthread.dylib 0x0000000222c02474 start_wqthread + 8
Hey,
It seems that when Apple Intelligence is enabled, scrolling can become completely broken when using an app. This is affecting several apps, including telegram:
https://github.com/TelegramMessenger/Telegram-iOS/issues/1570?reload=1
It seems that UIPanGesture is affected by this. (MapKit stop being able to scroll too).
Killing + Relaunching the app fix the problem.
Bug report ID, containing a video: FB16780431
Hello,
I struggle to do some UI testing using accessibility identifiers when I wrap some SwiftUI view using UIHostingController (our app is mainly coded using UIKit).
Considering this SwiftUI view (simplified for this post):
HStack {
Text(self.title.uppercased())
.albusTheme(.header)
.lineLimit(self.isMultiline ? nil : 1)
.multilineTextAlignment(.leading)
.accessibilityAddTraits(.isStaticText)
.accessibilityIdentifier("section_title")
}
This view and its controller are embedded as a UITableViewHeaderFooterView in a UITableView.
This is an extract of recursiveDescription output:
| | | | | | <_UITableViewHeaderFooterContentView: 0x1076ad720; frame = (0 0; 393 40); layer = <CALayer: 0x6000006b1720>>
| | | | | | | <_TtGC13ListComponent19SwiftUIFieldContentV20ListComponentLibrary17FormSectionHeader_: 0x1076ab980; baseClass = UIControl; frame = (0 0; 393 40); layer = <CALayer: 0x6000006b1da0>>
| | | | | | | | <_TtGC7SwiftUI14_UIHostingViewV20ListComponentLibrary17FormSectionHeader_: 0x1078f9600; frame = (0 0; 393 40); gestureRecognizers = <NSArray: 0x600000e25d70>; backgroundColor = UIExtendedSRGBColorSpace 0.0666667 0.133333 0.227451 1; layer = <SwiftUI.UIHostingViewDebugLayer: 0x6000006b19a0>>
| | | | | | | | | <_TtCOCV7SwiftUI11DisplayList11ViewUpdater8Platform13CGDrawingView: 0x106985550; frame = (16 12.6667; 147.667 14.6667); anchorPoint = (0, 0); opaque = NO; autoresizesSubviews = NO; layer = <_TtCOCV7SwiftUI11DisplayList11ViewUpdater8PlatformP33_65A81BD07F0108B0485D2E15DE104A7514CGDrawingLayer: 0x6000026b8240>>
CGDrawingView seems to hide the underlying view hierarchy. Is there a way to access accessibility settings using the integration of SwiftUI in UIKit?
Hi, I'm experiencing the behaviour outlined below. When I navigate programmatically on iPadOS or macOS from a tab that hides the tab bar to another tab, the tab bar remains hidden. The real app has it's entry point in UIKit (i.e. it uses an UITabBarController instead of a SwiftUI TabView) but since the problem is reproducible with a SwiftUI only app, I used one for the sake of simplicity.
import SwiftUI
@main
struct HiddenTabBarTestApp: App {
@State private var selectedIndex = 0
var body: some Scene {
WindowGroup {
TabView(selection: $selectedIndex) {
Text("First Tab")
.tabItem {
Label("1", systemImage: "1.circle")
}
.tag(0)
NavigationStack {
Button("Go to first tab") {
selectedIndex = 0
}
.searchable(text: .constant(""))
}
.tabItem {
Label("2", systemImage: "2.circle")
}
.tag(1)
}
}
}
}
Reproduction:
Create a new SwiftUI App with the iOS App template and use the code from above
Run the app on iPadOS or macOS
Navigate to the second tab
Click into the search bar
Click the "Go to first tab" button
The tab bar is no longer visible
Is this a bug in the Framework or is it the expected behaviour? If it's the expected behaviour, do you have a good solution/workaround that doesn't require me to end the search programmatically (e.g. by using @Environment(\.dismissSearch)) before navigating to another tab? The goal would be to show the tab bar in the first tab while keeping the search open in the second tab.
Hi,
I am getting this crash specific to iOS 18.4. This has happened only on iPad, combined with 18.4. I do not what is causing the crash. I am unable to reproduce the crash. Crash report attached at the bottom of the post.
Thank you.
first.crash
second.crash