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AppIcon not showing in "About" box or app switcher
I can't get my app's logo to show in the "About" box nor in the app switcher. I have: created "Assets.xcassets" created "AppIcon" added 10 image files of the logo to the AppIcon image well [? right terminology ?] saved and built the project – there are no errors or warnings When I run the project, I still get the default image showing in the About box and in the app switcher. Because first attempt failed, I changed "applet" to "AppIcon" in "App Icons and Launch Screen" in "General" settings. That did not change the result. I also toggled "Include all app icon assets" which also did not change the result. Weirdly, my app's logo DOES show beside the app name in every item of "Build Settings". Do I need to do something else to change the default image in the "About" box ? Thanks. [Xcode 16.2 on macOS 15.3.2.]
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Mar ’25
Xcode 16 Build & Archive Error - SPM
Since upgrading from Xcode 15 to 16, we have been experiencing a build error during compilation. Building on Xcode 15 still works with no issues. The error happens only on the first build after a clean. Subsequent builds succeed. This is an issue because our CI process archives the project from a clean slate, and this causes it to fail every time. I will attempt to describe the issue and include information I believe is relevant in this document. The error occurs on this import line within an Objective-C file during the Scan Dependencies step of compiling. This line imports our custom Objective-C to Swift bridging header file - "Swift2Objc.h". Our custom Objective-C to Swift bridging header file is simply wrapping the project’s auto-generated Objective-C to Swift bridging header file - "KWISwift.h". The error is specific to the import of the OfflineServices Swift Package. Specifically, the OfflineServices-Swift.h file - the Swift Package’s auto-generated Objective-C to Swift bridging file. Module JRE not found - the exact error (Also included as text on the bottom of the post) JRE is a third-party library provided to us as an xcframework. It is placed directly into our Swift Package as a binary target. The xcframework itself is composed of .a file and a Headers folder which includes header files and a module.modulemap. The module.modulemap file looks like this.
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Mar ’25
Unable to Generate MDM CSR for Apple Push Certificates Portal
I am currently developing an Apple MDM solution as a vendor and have successfully obtained the Vendor Certificate from the Apple Developer Portal. However, when attempting to generate and upload the Certificate Signing Request (CSR) to the Apple Push Certificates Portal Portal Link. I encounter the error: "Invalid Certificate Signing Request." I have followed the official Apple documentation outlined here, but the issue persists. Doc Link Could you please guide me through the correct process to generate a valid CSR and successfully upload it? Any assistance would be greatly appreciated. Thank you for your time and support.
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Mar ’25
Are umbrella frameworks possible/discouraged?
I want to release a Framework F, containing several other frameworks (such as Realm, Appetitive, Cocoalumberjack, PhoneNumberKit) for use by app A. According to this article: https://medium.com/@bittudavis/how-to-create-an-umbrella-framework-in-swift-ca964d0a2345 They write, without referencing a source: "Although Apple discourage creating umbrella framework". Is that true, do Apple discourage umbrella frameworks, if so why and is it a very strong discourage or a mild one? If not discouraged, then how can this be achieved with Xcode 16? I've been attempting to follow a few tutorial to achieve this, such as https://medium.com/john-lewis-software-engineering/adding-a-third-party-framework-inside-a-first-party-framework-in-xcode-3ba58cfd08da however so far without any success. This last article mentions the Link Binary With Libraries section, which doesn't exist in Xcode 16. There's the Frameworks, Libraries, and Embedded Content section where I have been attempting to add the frameworks into my Framework F (choosing Embed without Signing). I'm able to successfully build Framework F, but when app A attempts to use it (adding F to the Frameworks, Libraries, and Embedded Content section with option embed and sign, or embed and don't sign, makes no difference) then I get run time errors about the umbrellaed frameworks not being able to be found.
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811
Mar ’25
Linking arm64 static library for iPhoneSimulator
I work on an iOS app, written in Objective-C and C++, that uses a static library. I build this library using a Run Script in Build Phases in Xcode. This is a fat library, containing arm64 code built for iPhoneOS, and x86_64 code built for iPhoneSimulator. I'm trying to figure out how to create an arm64 iPhoneSimulator build of my app, and I'm running into a problem. If I simply enable arm64 debug builds, I get an error message saying "building for iOS Simulator, but linking in object file built for iOS", indicating that the arm64 iPhoneOS code in the library is not compatible with an arm64 iPhoneSimulator target. Now, I can build the library as arm64 for iPhoneSimulator, but that means I'll have to build a separate library for the simulator build, since lipo won't combine arm64 iPhoneOS and arm64 iPhoneSimulator builds in one file. My question: how can I get Xcode to link with a different library for iPhoneSimulator builds than for iPhoneOS builds? All I can come up with is to use completely separate targets for debugging in the simulator vs. debugging on a real device, but that seems ugly. (It would be even better if I could use the same library for both arm64 iPhoneSimulator and iPhoneOS builds. The library in question is a math library which makes no system calls, so I think the same code should be usable for both builds, if only I could get the linker to allow that.)
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Mar ’25
iOS 18.3.1 - runtime vs version number
Not sure if this is common with releases but I've been doing some CI work recently so it's the first time I've seen this myself, When I list the runtimes installed on my machine: xcrun simctl list runtimes I notice the iOS 18.3.1 release has the below info: == Runtimes == iOS 18.3 (18.3.1 - 22D8075) - com.apple.CoreSimulator.SimRuntime.iOS-18-3 Meanwhile the other runtimes are listed as: == Runtimes == iOS 17.5 (17.5 - 21F79) - com.apple.CoreSimulator.SimRuntime.iOS-17-5 iOS 18.4 (18.4 - 22E5216h) - com.apple.CoreSimulator.SimRuntime.iOS-18-4 watchOS 11.2 (11.2 - 22S99) - com.apple.CoreSimulator.SimRuntime.watchOS-11-2 visionOS 2.3 (2.3 - 22N895) - com.apple.CoreSimulator.SimRuntime.xrOS-2-3 (Apologies for the weird formatting above, using code blocks and quote markdown condenses things down to one line for some reason) This is causing some funkiness in my CI code which I've managed to workaround, but wondered if this was a common thing, specifically the mismatch between the iOS name and the runtime version. iOS 18.3 and com.apple.CoreSimulator.SimRuntime.iOS-18-3 vs 18.3.1 - 22D8075 where the .1 has been dropped for the runtime names?
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Mar ’25
How to create a new asset catalog in a package
I created a package using "File > New > Package" and now I want to add a new Asset Catalog to this package. With my package selected in the project navigator I select "File > New > File" but it creates a Swift file instead of showing the Template Selection dialog Ref: https://developer.apple.com/documentation/xcode/managing-assets-with-asset-catalogs#Create-a-new-asset-catalog
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Mar ’25
Gradient rendering issue with alpha set to something other than one
Gradients with colors that have alpha are not rendered correctly anymore. I made a simple project to illustrate that. Just create Objective C project and paste this code inside the ViewController. `#import <UIKit/UIKit.h> @interface CustomView : UIView @property (nonatomic, strong) NSArray<NSNumber *> *colorsArray; // The color components array // Custom initializer that accepts an NSArray of color components (instancetype)initWithFrame:(CGRect)frame colors:(NSArray<NSNumber *> *)colorsArray; @end @implementation CustomView // Custom initializer (instancetype)initWithFrame:(CGRect)frame colors:(NSArray<NSNumber *> *)colorsArray { self = [super initWithFrame:frame]; if (self) { _colorsArray = colorsArray; // Store the colors array } return self; } (void)drawRect:(CGRect)rect { // Get the current context CGContextRef context = UIGraphicsGetCurrentContext(); // Convert NSArray to a C-style array of CGFloats size_t count = self.colorsArray.count; CGFloat colors[count]; for (size_t i = 0; i < count; i++) { colors[i] = [self.colorsArray[i] floatValue]; } // Create a color space CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); // Create the gradient with the passed colors CGGradientRef gradient = CGGradientCreateWithColorComponents(colorSpace, colors, NULL, count / 4); // Define the start and end points of the gradient CGPoint startPoint = CGPointMake(rect.origin.x, rect.origin.y); CGPoint endPoint = CGPointMake(rect.origin.x, rect.origin.y + rect.size.height); // Draw the rectangle with the gradient CGContextSaveGState(context); CGContextAddRect(context, rect); CGContextClip(context); CGContextDrawLinearGradient(context, gradient, startPoint, endPoint, 0); CGContextRestoreGState(context); // Release resources CGGradientRelease(gradient); CGColorSpaceRelease(colorSpace); } @end @interface ViewController : UIViewController @end @implementation ViewController (void)viewDidLoad { [super viewDidLoad]; // Get the screen bounds CGRect screenBounds = [UIScreen mainScreen].bounds; // Define the size of each custom view CGFloat customViewWidth = screenBounds.size.width * 0.75; CGFloat customViewHeight = screenBounds.size.height * 0.75; // Define a dynamic set of colors for the first custom view (red to blue) NSArray<NSNumber *> *colorsArray1 = @[ @1.0, @0.0, @0.0, @1.0, // Red @0.0, @0.0, @1.0, @1.0 // Blue ]; // TODO: This is the bug, there is no transparency NSNumber *alpha = @0.0;// this is the ***** bug **** // Define a dynamic set of colors for the second custom view (green to yellow) NSArray<NSNumber *> *colorsArray2 = @[ @0.0, @1.0, @0.0, alpha, // Green @1.0, @1.0, @0.0, @1.0 // Yellow ]; // Calculate the position for the first view (centered horizontally and vertically, with slight offset) CGRect frame1 = CGRectMake((screenBounds.size.width - customViewWidth) / 2 - customViewWidth * 0.25, (screenBounds.size.height - customViewHeight) / 2 - customViewHeight * 0.25, customViewWidth, customViewHeight); CustomView *customView1 = [[CustomView alloc] initWithFrame:frame1 colors:colorsArray1]; // Calculate the position for the second view (slightly shifted from the first view to partially overlap) CGRect frame2 = CGRectMake((screenBounds.size.width - customViewWidth) / 2 + customViewWidth * 0.25, (screenBounds.size.height - customViewHeight) / 2 + customViewHeight * 0.25, customViewWidth, customViewHeight); CustomView *customView2 = [[CustomView alloc] initWithFrame:frame2 colors:colorsArray2]; // Set autoresizing so they adjust with the screen size customView1.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; customView2.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; // Add the custom views to the view controller's view [self.view addSubview:customView1]; [self.view addSubview:customView2]; } @end`
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Mar ’25
Xcode beta documentation broken?
Is anyone else having trouble with the Documentation in the latest Xcode beta? I can't get any UIKit documentation to appear. UIKit is completely missing from the table of contents too. I've tried deleting the documentation caches but it isn't helping.
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Mar ’25
Build Libraries For Distribution flag usage
I want to build an ios .xcframework (for external delivery) and .framework(for internal debugging) in order to package some code to a customer for incorporation into their app. My framework has a dependency upon RealmSwift, which I've added using SPM. There is a warning saying Module RealmSwift was not compiled with library evolution support. And when building SwiftVerifyEmittedModuleInterface fails with an error saying "missing required modules: 'Realm.Private', 'Realm', 'Realm.Swift'" By default, Build Libraries For Distribution was set to YES, however if I turn it off then the warning and error go away and I can cleanly build the framework. I've been attempting to get a good understanding of this flag and if it should be used or not, most material says yes but doesn't go a good job of explaining why. However anyway I can't get the framework to build with RealmSwift as a dependency without turning off this flag. Therefore is that ok to proceed down that route? Does the fact the xcframework will only ever be distributed to one consumer affect decisions (i.e. binary compatibility etc.) Thanks
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135
Mar ’25
Can't submit to TestFlight due to RC releases out of sync
When I try to submit to TestFlight, I'm told: "Unsupported SDK or Xcode version ... You need to use the latest Release Candidates for SDKs and Xcode." I am using the latest Xcode RC, Version 16.3 (16E137). But my guess is that I am not being given, in conjunction with this, the latest iOS 18.4 RC. I need 22E239 but I'm unable to download and install it thru Xcode. What I'm being given is SDK version 18.4 (22E235).
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Mar ’25
Can't build onto iPhone 16e with XCode 16.1
I'm trying to debug on my iPhone 16e and I'm running into this error: Error mounting image: 0xe800010f (kAMDMobileImageMounterPersonalizedBundleMissingVariantError: The bundle image is missing the requested variant for this device.) Since all of my other devices are working fine, I assume this is due to outdated XCode, which is something I see mentioned in other threads. What is the specific XCode version needed to build onto the 16e and is there any workaround for XCode 16.1? Thanks!
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367
Mar ’25
Apollo GraphQL Error – MultipartResponseParsingInterceptor.ParsingError.cannotParseResponse in SwiftUI
I'm integrating Apollo GraphQL into a SwiftUI app and encountering the following error during a query execution: result : failure(Apollo.MultipartResponseParsingInterceptor.ParsingError.cannotParseResponse) failed : The response data could not be parsed. The request hits the server, but the response fails to be parsed by Apollo. I'm using the default code generation setup and executing a simple query to fetch a list of countries. Here’s a snippet of the function: swift Copy Edit private func fetchCountries() { switch result { case .success(let graphQLResult): if let name = graphQLResult.data?.countries { print(name) } else if let errors = graphQLResult.errors { print(errors) } case .failure(let error): print("failed : (error.localizedDescription)") } } This is run on an iPhone 16 Pro simulator with iOS 18.2. Any idea what's causing the parsing error or how I can inspect the raw response for debugging? Thanks in advance!
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Mar ’25
The Xcode project keeps crashing on launch
Hello, I need a little bit of help. My game keeps crashing on launch no matter what I do. I’ve tried running it in Xcode on my Mac, on my iPhone, and through TestFlight, but I get the same result every time. I’ve tried everything I could find on the internet, and nothing worked. Asking here is my last resort because I’m completely stuck. The game runs fine in Unity, but not so much in Xcode. Can someone help me figure out what I’m doing wrong?Any help would be greatly appreciated. Here is the error log I found by connecting my iPhone to my Mac. To view the logs, I used the Console in the Devices and Simulators section of Xcode. ➤ SecKeyVerifySignature failed: Error Domain=NSOSStatusErrorDomain Code=-50 "rsa_pub_crypt failed" [10:27:36.034791+0200] kernel ➤ Sandbox: [App] deny(1) sysctl-read kern.bootargs [10:27:36.043389+0200] SpringBoard ➤ Live host view super view[(null)] not matching container view ➤ Frame not updated [10:27:36.050473+0200] backboardd ➤ Cycle detected [10:27:36.100799+0200] SpringBoard ➤ Live host view super view[(null)] not matching container view [10:27:36.538361+0200] akd ➤ Error fetching keychain item - Error Domain=NSOSStatusErrorDomain Code=-25300 "no matching items found" [10:27:36.545734+0200] akd ➤ Failed to set last known MID with error (Error Domain=NSOSStatusErrorDomain Code=-25300) [10:27:36.603384+0200] rtcreportingd ➤ Gap in hierarchy: [10:27:36.604536+0200] cloudd ➤ TCP input flags=[R.] state=LAST_ACK [10:27:36.613317+0200] cloudd ➤ TCP input flags=[R] state=CLOSED [10:27:36.648449+0200] kernel ➤ 1 duplicate report for Sandbox: [App] deny(1) sysctl-read kern.bootargs [10:27:36.648484+0200] kernel ➤ Sandbox: [App] deny(1) file-test-existence /private/var/Managed Preferences/mobile/com.apple.CoreMotion.plist [10:27:36.900275+0200] CommCenter ➤ Client is not entitled for request [10:27:37.131555+0200] storekitd ➤ AMSURLSession: Session decoder failed. Error = Error Domain=AMSErrorDomain Code=301 "Invalid Status Code" [10:27:37.131761+0200] storekitd ➤ AMSURLSession: Task completed with error = Error Domain=AMSErrorDomain Code=301 "Invalid Status Code" [10:27:38.137847+0200] kernel ➤ System Policy: [Process] deny(1) file-read-metadata /private/var/mobile/Library/Biome/FlexibleStorage [10:27:38.779536+0200] kernel ➤ Sandbox: [App] deny(2) file-test-existence /private/etc/localtime [10:27:38.942342+0200] mobileassetd ➤ TCP input flags=[R] state=LAST_ACK [10:27:38.963596+0200] kernel ➤ Sandbox: [App] deny(2) file-test-existence /bin/bash [10:27:40.152019+0200] mobileassetd ➤ TCP input flags=[R] state=LAST_ACK [10:27:40.280661+0200] assetsd ➤ Warning: cache_handle_memory_pressure invokedPreformatted text```
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Mar ’25