I’m creating code that performs asynchronous processing using the Promises library (https://github.com/google/promises). In this context, when building the app in Xcode 15.4 and Xcode 16.2, the behavior differs between the two. I’m using version 2.1.1 of the library. Also, I’ve tried using the latest version, 2.4.0, but the result was the same. Has anyone encountered the same issue or know an effective solution? Here's a simple code that reproduces this issue. @IBAction func tapButton(_: UIButton) { _ = getInfo() } func getInfo() -> Promise<Void> { Promise(on: .global(qos: .background)) { fulfill, _ in self.callApi() .then { apiResult -> Promise<ApiResult> in print("\(#function), first apiResult: \(apiResult)") return self.callApi() // #1 } .then { apiResult in print("\(#function), second apiResult: \(apiResult)") // #2 fulfill(()) } } } func callApi() -> Promise<ApiResult> { Promise(on: .global(qos: .background)) { fulfill, _ in print("\(#function), start") self.wait(3) .then { _ in let apiResult = ApiResult(message: "success") print("\(#function), end") fulfill(apiResult) } } } struct ApiResult: Codable { var message: String enum CodingKeys: String, CodingKey { case message } } The Swift Language version in the build settings is 5.0. The console output when running the above code is as follows: When built with Xcode 15.4: 2025/03/21 10:10:46.248 callApi(), start 2025/03/21 10:10:46.248 wait 3.0 sec 2025/03/21 10:10:49.515 callApi(), end 2025/03/21 10:10:49.535 getDeviceInfo(), first apiResult: ApiResult(message: "success") 2025/03/21 10:10:49.535 callApi(), start 2025/03/21 10:10:49.536 wait 3.0 sec 2025/03/21 10:10:52.831 callApi(), end 2025/03/21 10:10:52.832 getDeviceInfo(), second apiResult: ApiResult(message: "success") The process proceeds from #1 to #2 after completing the code comment in #1. When built with Xcode 16.2: 2025/03/21 09:45:33.399 callApi(), start 2025/03/21 09:45:33.400 wait 3.0 sec 2025/03/21 09:45:36.648 callApi(), end 2025/03/21 09:45:36.666 getDeviceInfo(), first apiResult: ApiResult(message: "success") 2025/03/21 09:45:36.666 callApi(), start 2025/03/21 09:45:36.666 wait 3.0 sec 2025/03/21 09:45:36.677 getDeviceInfo(), second apiResult: Pending: ApiResult 2025/03/21 09:45:39.933 callApi(), end The process does not wait for the code comment in #1 to finish and outputs the #2 print statement first. Additionally, even with Xcode 16.2, when changing the #2 line to "print("(#function), second apiResult: (apiResult.message)")", the output becomes as follows. From this, it seems that referencing the ApiResult type, which is not a String, might have some effect on the behavior. 2025/03/21 10:05:42.129 callApi(), start 2025/03/21 10:05:42.131 wait 3.0 sec 2025/03/21 10:05:45.419 callApi(), end 2025/03/21 10:05:45.437 getDeviceInfo(), first apiResult: ApiResult(message: "success") 2025/03/21 10:05:45.437 callApi(), start 2025/03/21 10:05:45.437 wait 3.0 sec 2025/03/21 10:05:48.706 callApi(), end 2025/03/21 10:05:48.707 getDeviceInfo(), second apiResult: success Thank you in advance

Hello, I am doing the SwiftUI tutorial with Xcode 16.2 For the watch app the simulator working fine but the preview keep saying “This app cannot run on the selected target device.” while the preview is working …… For the macOS part the simulator working fine but the preview is totally broken with -> ”ContentView.swift” not found in any targets. While it is correctly added to the target … Please fix or make tutorial clear.

I have been wanting to make a mobileprovision file and a p12 file, how do i make these files but using only ipad?

I have a VPN installed (Global Protect) on my company computer, which is a MacBook Pro M2, to access the company network, internal URLs, websites, and run the app I work on. However, even with the VPN installed, I am having trouble accessing certain resources. The solution found was to manually configure the proxies for my Wi-Fi network. After configuring the proxies, I was able to access all the company's URLs and everything I needed. However, the Xcode Simulator is not picking up these network configurations, and when I try to run the project, it does not work. How can I solve this?

Hi, I am getting an error stating "Argument passed to call that takes no arguments". I want this Apple Watch App to measure and store RR Intervals from the PPG sensor on the Apple Watch for Heart Rate Variability calculations. Please help me fix this, I can't figure it out. Here is my code: heartbeatQuery = HKHeartbeatSeriesQuery(predicate: predicate, dataReceivedHandler: { (query, timeSinceLastBeat, ended, error) in // Switch to main thread for UI updates DispatchQueue.main.async { if let error = error { print("Heartbeat query error: (error.localizedDescription)") self.fetchErrorMessage = "Heartbeat query error: (error.localizedDescription)" // Consider stopping the workout session if the query fails critically // self.stopWorkoutSession() return } if ended { print("Heartbeat query indicates series ended.") } // Append valid RR intervals if timeSinceLastBeat > 0 { self.rrIntervals.append(timeSinceLastBeat) self.beatCount += 1 } } // End DispatchQueue.main.async }) // End query data handler // --- END OF PROBLEMATIC INITIALIZER --- // Execute the query if it was created successfully It recommends the fix as removing this part: '(predicate: predicate, dataReceivedHandler: { (query, timeSinceLastBeat, ended, error) in // Switch to main thread for UI updates DispatchQueue.main.async { if let error = error { print("Heartbeat query error: (error.localizedDescription)") self.fetchErrorMessage = "Heartbeat query error: (error.localizedDescription)" // Consider stopping the workout session if the query fails critically // self.stopWorkoutSession() return } if ended { print("Heartbeat query indicates series ended.") } // Append valid RR intervals if timeSinceLastBeat > 0 { self.rrIntervals.append(timeSinceLastBeat) self.beatCount += 1 } } // End DispatchQueue.main.async })' But after I remove that it says "Cannot assign value of type 'HKHeartbeatSeriesQuery.Type' to type 'HKHeartbeatSeriesQuery'" PLEASE HELP ME Thanks

I upgraded IOS to 15.5 yesterday and then my xcode failed to preview today. The error message I got is: Communication with Apple failed Your team has no devices from which to generate a provisioning profile. Connect a device to use or manually add device IDs in Certificates, Identifiers & Profiles. https://developer.apple.com/account/ Any one knows how to fix it?

Example: I have a state var curHighScore declared in ContentView. I select it, right click and select "Find Selected Symbol in Workspace" The result is : 1 resul in 1 file, i.e. the line of declaration of the var But obviously, the same var is used at line #102: How come this occurence is not found by the search command. Such happens every now and then. Is there something I am missing ? What is causing this ? Thanks for your help.

Just because the original post was locked

My swiftUI project has started to constantly display "Cannot find 'symbol' in scope" errors in code i haven't touched, and the project still compiles fine. Neither cleaning build folder or compiling fix the errors, but if I right click the symbol, select "jump to definition" it will find it without problem and then when I return to the original file the error will be cleared. What can I do to stop these from happening?

Blocker: Registering simulator runtime with CoreSimulator failed.

Xcode 16 seems to „forget“ a swift package within a subfolder of a root package after restart or shut-down. I have the following project structure, which also resembles the directory structure on disc: MyPackage - Package.swift - README.md - Sources - MyPackage - Tests - MyPackageTests - Tools - MyGenerator // <- after restart this folder is not visible in the Xcode project navigator - Package.swift - Sources - main.swift - Tests MyGenerator is a standalone package which is used during development of MyPackage to generate source code files for MyPackage based on text file input. Essentially an executable target script which I can run within its folder with: swift run MyGenerator someInputFile.txt MyPackage does NOT use MyGenerator as a dependency, nor do I want this tool listed as a dependency in MyPackage Package.swift file. Yet MyGenerator is part of the same Git repo, as it documents the changes to the tool on how to generate source code for MyPackage. Both packages are developed in tandem. MyGenerator itself defines dependencies in its Package.swift file, which are unrelated to the functionality of MyPackage. After restart of Xcode or even just a longer shut-down period the MyGenerator subfolder is not visible in the Xcode project navigator, the /Tools folder is empty. I have to manually add the sub package via Add files to "MyPackage" -> Move files to destination every time. How can I solve that Xcode remembers the sub package unter /Tools? Edit: I am using Xcode 16.2

When a new application runs on iOS 18.4 simulator and tries to access the Speech Framework, prompting a request for authorisation to use Speech Recognition, the application will crash if the user clicks allow. Same issue in the visionOS 2.4 simulator. Using Swift 6. Report Identifier: FB17686186 /// Checks speech recognition availability and requests necessary permissions. @MainActor func checkAvailabilityAndPermissions() async { logger.debug("Checking speech recognition availability and permissions...") // 1. Verify that the speechRecognizer instance exists guard let recognizer = speechRecognizer else { logger.error("Speech recognizer is nil - speech recognition won't be available.") reportError(.configurationError(description: "Speech recognizer could not be created."), context: "checkAvailabilityAndPermissions") self.isAvailable = false return } // 2. Check recognizer availability (might change at runtime) if !recognizer.isAvailable { logger.error("Speech recognizer is not available for the current locale.") reportError(.configurationError(description: "Speech recognizer not available."), context: "checkAvailabilityAndPermissions") self.isAvailable = false return } logger.trace("Speech recognizer exists and is available.") // 3. Request Speech Recognition Authorization // IMPORTANT: Add `NSSpeechRecognitionUsageDescription` to Info.plist let speechAuthStatus = SFSpeechRecognizer.authorizationStatus() logger.debug("Current Speech Recognition authorization status: \(speechAuthStatus.rawValue)") if speechAuthStatus == .notDetermined { logger.info("Requesting speech recognition authorization...") // Use structured concurrency to wait for permission result let authStatus = await withCheckedContinuation { continuation in SFSpeechRecognizer.requestAuthorization { status in continuation.resume(returning: status) } } logger.debug("Received authorization status: \(authStatus.rawValue)") // Now handle the authorization result let speechAuthorized = (authStatus == .authorized) handleAuthorizationStatus(status: authStatus, type: "Speech Recognition") // If speech is granted, now check microphone if speechAuthorized { await checkMicrophonePermission() } } else { // Already determined, just handle it let speechAuthorized = (speechAuthStatus == .authorized) handleAuthorizationStatus(status: speechAuthStatus, type: "Speech Recognition") // If speech is already authorized, check microphone if speechAuthorized { await checkMicrophonePermission() } } }

What I want? I expect to use xcrun devicectl device process launch --device <uuid> <bundle-identifier> --payload-url <URL> to launch my app and pass the specified URL as I usually do in iPhone. What I do? Let's say the app A which I'm developing. I try to use UIApplication.open(:options:completionHandler:) in another app to open the app A with registered schema. And whether app A is cold launch or background resumption, app A can go foreground with receiving URL. If I use xcrun devicectl as above described, app A can still be opened. However, app A can't receive URL which I pass through --payload-url option. That's different from in iOS. BTW: I as well try YouTube with UIApplication.open and xcrun devicectl, the former way work, the latter way not work.

I had an Intel macbook and I used that to build and release my app to app store but I didn't release for 2 years. Recently a bug was reported that I needed to update the a code and make a new release with my apple silicon macbook. But I get this issue when I go to Product -> Archive. I tried updating pods, as well as adding following line to the Podfile but no change. platform :ios, "12.0" target "myApp" do use_frameworks! pod "AFNetworking" pod "KVNProgress" pod "GCDWebServer" pod "CocoaLumberjack" pod "Intercom" pod "GoogleWebRTC" pod "SAMKeychain" pod "googleapis", :path => '.' pod 'gRPC', '1.0.0' pod 'gRPC-Core', '1.0.0' pod 'gRPC-ProtoRPC', '1.0.0' pod 'gRPC-RxLibrary', '1.0.0' pod 'BoringSSL-GRPC', '0.0.7' end post_install do |installer| installer.pods_project.targets.each do |target| if target.name == 'BoringSSL-GRPC' target.source_build_phase.files.each do |file| if file.settings && file.settings['COMPILER_FLAGS'] flags = file.settings['COMPILER_FLAGS'].split flags.reject! { |flag| flag == '-GCC_WARN_INHIBIT_ALL_WARNINGS' } file.settings['COMPILER_FLAGS'] = flags.join(' ') end end end end end Nothing worked for me. What do I do now? I appreciate any help

I submitted feedback as FB16463501 -- posting here for others to see, or maybe for Apple to share any help if there are workarounds, etc.: Targets below iOS 18.x fail to launch app due to dyld[xxxxx]: Symbol not found: errors when referencing: MeshResource.init(from:) async - https://developer.apple.com/documentation/realitykit/meshresource/init(from:)-b7hb i.e. dyld[61511]: Symbol not found: _$s10RealityKit12MeshResourceC0A10FoundationE4fromACSayAD0C10DescriptorVG_tYaKcfC MeshResource.replace(with:) async - https://developer.apple.com/documentation/realitykit/meshresource/replace(with:)-8uvri i.e. dyld[78830]: Symbol not found: _$s10RealityKit12MeshResourceC0A10FoundationE7replace4withyAcDE8ContentsV_tYaKF Targets tested that exhibit issue: (DYLD errors) Device: iOS 17.7.2, iPhone 14 Pro Max Simulator: iOS 17.5 (21F79), iPhone 15 System Information: macOS Version 15.3 (Build 24D60) Xcode 16.2 (23507) (Build 16C5032a) MRE -- include this code in your app: (no need to invoke, just reference) static func addOrUpdateEntityModel_MRE(_ entity: ModelEntity) async { let descriptor = MeshDescriptor(name: "MyDescriptor") do { if let modelComponent = entity.model { // update existing ModelComponent if let model = try? MeshResource.Model(id: "MyModelId", descriptors: [descriptor]) { var contents = MeshResource.Contents() contents.models = .init([model]) try await modelComponent.mesh.replace(with: contents) /// `dyld[78830]: Symbol not found: _$s10RealityKit12MeshResourceC0A10FoundationE7replace4withyAcDE8ContentsV_tYaKF` } } else { //create new ModelComponent /// Comment-out the 2 lines below == dyld error for above `MeshResource.replace(with:)` let meshRes = try await MeshResource(from: [descriptor]) /// `dyld[61511]: Symbol not found: _$s10RealityKit12MeshResourceC0A10FoundationE4fromACSayAD0C10DescriptorVG_tYaKcfC` entity.model = .init(mesh: meshRes, materials: [SimpleMaterial()]) } } catch { fatalError() } }

Our business is to scan the code to open App Clip, but then App Clip will appear in App Library and Siri Suggestions. This can be opened quickly, but the URL of the last scan will be included. This will cause a problem, for example: if the previous scan was code A, but the user does not scan code B when going to place B and directly opens it through App Library or Siri Suggestions, the code I get is still code A, so the result I want is that I want to know where it was opened from, and then if it is opened quickly, I will clear the URL and remind the user to scan the code again. Or if it is opened by quick opening, do not include the URL

I am developing a game that has 3 team members. I can manually start up 3 simulators and run the game for developing/testing but seem like there should be a simple way to click build/run and have it launch on all three automatically. Does anyone know how to do this or if its even possible without writing some scripts?

I have the this issue when I run the app on iOS Simulator after updating to app to make it compatible with Xcode-16 and iOS-18. after upgradation to Xcode-16 its giving the above error "Executable path is a directory" .This app work fine on Xcode-15 . Note - The issue with iOS Simulator only. From XCode-16 build is created successfully and installed in iOS device.

We're building an SDK (let's call it MyFramework) which is distributed as an .xcframework for developers to integrate it into their own apps. Recently, we've added tvOS support by adding it as a supported destination for the SDK. Essentially, the SDK became a cross-platform framework and easy to be adopted in both iOS and tvOS apps. The .xcframework is generated fine, all builds correctly. We've tested the SDK integrated in test apps. We've also submitted an iOS archive app to the AppStore connect, just to make sure all is well with the AppStore submission. However, when I tried submitting a tvOS archive app (that integrates the same SDK) to the AppStore connect, the build was marked as invalid binary and we've got the following error message: ITMS-90562: Invalid Bundle - One of the nested bundles is built for a platform which is different from the main bundle platform. Please make sure that all bundles have correct platform specification. First, I thought that any of the modules of the framework was not correctly configured for tvOS but that was not the case. Everything compiles ok and it runs in debug as expected. It only fails when trying to submit the tvOS app that integrates the SDK. After a lot of investigating, we realised that the reason for the AppStore submission error is because we codesign the framework. We use codesign to distribute it as cryptographically signed xcframework. codesign --timestamp -v --sign "Apple Distribution: Company (xxxxxxxxxx)" "MyFramework.xcframework" As soon as we remove the above line from our CI/CD pipeline that generates the xcframework, and submit a tvOS archive app that integrates the unsigned framework, the AppStore submission error goes away and the TestFlight build can be tested. I've also tried to just strip the _CodeSignature folder from the .xcframework package but it still fails. So the only solution currently is to not codesign the xcframework to be able to upload tvOS archive apps that integrate the SDK to the AppStore connect. However, we're still puzzled as to why only the tvOS archive app gets the invalid binary error when it integrates a signed SDK. I feel like the error message is quite misleading if we have to stop signing the SDK xcframework for it to be accepted during the AppStore submission. Anyone has any idea? Or has anyone encountered a similar issue? Thanks!

Since dragImage: is deprecated I am trying to update drag and drop with beginDraggingSessionWithItems:. Drag work fine but I cannot get drop to work correctly. In the code below change #ifndef to #ifdef (using dragImage:) make drop work as expected. draggingEntered, draggingUpdated, draggingExited, draggingEnded are all called but NOT performDragOperation (which do the drop). Uncommenting the line [pb_item pasteboard:paste_board provideDataForType:@"LN_PboardType"]; cause an exceptionPreprocess: -[NSPasteboardItem pasteboard:provideDataForType:]: unrecognized selector sent to instance 0x600001e64240. I also try add NSDraggingDestination, NSItemProviderWriting, NSPasteboardTypeOwner to @interface line without success. What I am doing wrong ? Any other method to do Drag and Drop (other than dragImage: and beginDraggingSessionWithItems:) ? Where can I found an Obj-C project using beginDraggingSessionWithItems: for drag an drop ? ``@interface Enclosure : NSView <NSDraggingSource, NSPasteboardItemDataProvider> - (id)initWithFrame:(NSRect)frame { self = [super initWithFrame:frame]; if (self) { [super setAutoresizesSubviews:YES]; [self registerForDraggedTypes:[NSArray arrayWithObjects:@"LN_PboardType", NSPasteboardTypeString, nil]]; } return self; } - (BOOL)acceptsFirstMouse:(NSEvent *)event { return YES; } - (void)mouseDown:(NSEvent *)drag_event { NSImage *drag_image; NSPoint drag_position; NSRect dragging_rect; NSPasteboard *paste_board; NSDraggingItem *drag_item; NSArray *items_array; NSPasteboardItem *pb_item; paste_board = [NSPasteboard pasteboardWithName:@"LN_PboardType"]; [paste_board declareTypes:[NSArray arrayWithObjects:@"LN_PboardType", NSPasteboardTypeString, nil] owner:self]; pb_item = [[NSPasteboardItem alloc] init]; [pb_item setDataProvider:self forTypes:[NSArray arrayWithObjects:@"LN_PboardType", NSPasteboardTypeString, nil]]; // [pb_item pasteboard:paste_board provideDataForType:@"LN_PboardType"]; drag_image = [ [NSImage imageNamed:@"drag.jpg"]; drag_position = [self convertPoint:[drag_event locationInWindow] fromView:nil]; drag_position.x -= drag_image.size.width/2; drag_position.y -= drag_image.size.height/2; #ifndef DEPRECATED [self dragImage:drag_image at:drag_position offset:NSZeroSize event:drag_event pasteboard:paste_board source:self slideBack:YES]; #else drag_item = [[NSDraggingItem alloc] initWithPasteboardWriter:pb_item]; dragging_rect = NSMakeRect(drag_position.x, drag_position.y, drag_image.size.width, drag_image.size.height); [drag_item setDraggingFrame:dragging_rect contents:drag_image]; items_array = [NSArray arrayWithObject:drag_item]; [self beginDraggingSessionWithItems:items_array event:drag_event source:(id)self]; #endif } - (NSDragOperation)draggingSession:(NSDraggingSession *)session sourceOperationMaskForDraggingContext:(NSDraggingContext)context { if (disable_drag_and_drop) return NSDragOperationNone; switch (context) { case NSDraggingContextWithinApplication: return NSDragOperationCopy; case NSDraggingContextOutsideApplication: return NSDragOperationMove; } return NSDragOperationNone; } …``