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Rapidly prototype and test builds of your app during the development process using Simulator.

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Crash When Run app On Xcode15 Simulator
When UICollectionViewFlowLayoutAlertForInvalidItemSize Occured Some Log Like These Occurred, and then app crash *** Assertion failure in void _UIGraphicsBeginImageContextWithOptions(CGSize, BOOL, CGFloat, BOOL)(), UIGraphics.m:410 crash Output *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UIGraphicsBeginImageContext() failed to allocate CGBitampContext: size={0, 16}, scale=3.000000, bitmapInfo=0x2002. Use UIGraphicsImageRenderer to avoid this assert.'
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5
19k
Feb ’24
Cant add files to ios simulator
xcode 15.2, mac m2 mini, 14.2.1 sonoma i need a pdf file to stage my app for screen shots for the market. icloud wont sync, cant drag files to the home screen or any screen, it just does not work. i am at the end of my rope here, i just need some screen shots, my app is approved and ready am i wrong>? is there a way to do this or is it just broken now in the name of (lazy) security? edit--the more i read the more i angry and frustrated i get. this is broken and will not be fixed. i need to just workaround via email. so happy my second 100 dollar developer subscription bill is coming up!
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658
Feb ’24
ios 17.2 Xcode Simulator black screen issue
After installing the iOS 17.2 simulator in Xcode, I encountered a persistent issue where the simulator displays a black screen upon launch and becomes unresponsive. Despite attempting various troubleshooting methods, including reinstalling the simulator, reinstalling Xcode, and erasing simulator data, the problem persists. Any guidance or suggestions on how to resolve this issue would be greatly appreciated. Thank you.
1
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447
Feb ’24
iOS 17.0 beta 5 (21A5303d) simulator fails to install
=> Cannot copy the image because the disk is almost full The disk of my Mac is not full. Or is it another logical disk? Every time I try to install the iOS 17.0 simulator (21A5303d) it creates a copy of itself and fails. It is filling my HD and I do not know how to delete those files. And it differs by the last letter. Different versions? Registering simulator runtime with CoreSimulator failed. Domain: DVTDownloadableErrorDomain Code: 29 User Info: { DVTErrorCreationDateKey = "2023-08-09 20:41:08 +0000"; } Cannot copy the image because the disk is almost full Domain: com.apple.CoreSimulator.simdiskimaged.SimDiskImageError Code: 14 --** System Information macOS Version 14.0 (Build 23A5312d) Xcode 15.0 (22004) (Build 15A5219j) Timestamp: 2023-08-09T17:41:08-03:00
14
5
8.8k
Feb ’24
Xc15.3B3 Fails init on iPhone 14(+pro/promax/plus) and iPad 10th gen sims
I'm trying some sample with xcodebuild test command for i(Pad)OS simulators, figuring out some strange behavior on simulator initiation. 00:00:38 -------------------------- 00:00:38 --- Step: xcode_select --- 00:00:38 -------------------------- 00:00:38 Setting Xcode version to /Applications/Xcode/Xcode_15.3_beta_3.app for all build steps 00:00:38 Init simulators ... 00:00:39 $DEVELOPER_DIR 00:00:39 /Applications/Xcode/Xcode_15.3_beta_3.app/Contents/Developer ... 00:05:26 ▸ 2024-02-14 15:13:41.319 xcodebuild[12903:1082819] [MT] IDELaunchReport: 4a4f919bfba30580:4a4f919bfba30580: Finished with error: Simulator device failed to install the application. 00:05:26 ▸ Domain: IXErrorDomain 00:05:26 ▸ Code: 2 00:05:26 ▸ Failure Reason: Failed to locate promise. 00:05:26 ▸ User Info: { 00:05:26 ▸ FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:error:]"; 00:05:26 ▸ IDERunOperationFailingWorker = IDELaunchiPhoneSimulatorLauncher; 00:05:26 ▸ SimCallingSelector = "installApplication:withOptions:error:"; 00:05:26 ▸ SourceFileLine = 803; 00:05:26 ▸ } 00:05:26 ▸ -- 00:05:26 ▸ Failed to set icon promise for com.example.myapp 00:05:26 ▸ Domain: IXErrorDomain 00:05:26 ▸ Code: 2 00:05:26 ▸ Failure Reason: Failed to create promise. 00:05:26 ▸ User Info: { 00:05:26 ▸ FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:error:]"; 00:05:26 ▸ SourceFileLine = 803; 00:05:26 ▸ } 00:05:26 ▸ -- 00:05:26 ▸ Placeholder did not exist for UUID 2810E06A-4565-4966-BE98-AE4A6A96D916 when called for -[IXSClientConnection _remote_IXSPlaceholder:setIconPromiseUUID:completion:] by client CoreSimulatorBridge (pid 13037) 00:05:26 ▸ Domain: IXErrorDomain 00:05:26 ▸ Code: 3 00:05:26 ▸ Failure Reason: Failed to locate promise. 00:05:26 ▸ User Info: { 00:05:26 ▸ FunctionName = "-[IXSClientConnection _fetchPlaceholderForUUID:method:andRunWithPromise:error:]"; 00:05:26 ▸ SourceFileLine = 1945; 00:05:26 ▸ } 00:05:26 ▸ -- 00:05:26 ▸ 2024-02-14 15:13:41.323 xcodebuild[12903:1082819] [MT] IDELaunchReport: 4a4f919bfba30580:4a4f919bfba30580: com.apple.dt.IDERunOperationWorkerFinished { 00:05:26 ▸ "device_model" = "iPhone14,7"; 00:05:26 ▸ "device_osBuild" = "16.4 (20E247)"; 00:05:26 ▸ "device_platform" = "com.apple.platform.iphonesimulator"; 00:05:26 ▸ "dvt_coredevice_version" = "355.23"; 00:05:26 ▸ "dvt_mobiledevice_version" = "1643.100.52"; 00:05:26 ▸ "launchSession_schemeCommand" = Test; 00:05:26 ▸ "launchSession_state" = 1; 00:05:26 ▸ "launchSession_targetArch" = arm64; 00:05:26 ▸ "operation_duration_ms" = 108400; 00:05:26 ▸ "operation_errorCode" = 2; 00:05:26 ▸ "operation_errorDomain" = IXErrorDomain; 00:05:26 ▸ "operation_errorWorker" = IDELaunchiPhoneSimulatorLauncher; 00:05:26 ▸ "operation_name" = IDERunOperationWorkerGroup; 00:05:26 ▸ "param_debugger_attachToExtensions" = 0; 00:05:26 ▸ "param_debugger_attachToXPC" = 0; 00:05:26 ▸ "param_debugger_type" = 1; 00:05:26 ▸ "param_destination_isProxy" = 0; 00:05:26 ▸ "param_destination_platform" = "com.apple.platform.iphonesimulator"; 00:05:26 ▸ "param_diag_MainThreadChecker_stopOnIssue" = 0; 00:05:26 ▸ "param_diag_MallocStackLogging_enableDuringAttach" = 0; 00:05:26 ▸ "param_diag_MallocStackLogging_enableForXPC" = 0; 00:05:26 ▸ "param_diag_allowLocationSimulation" = 1; 00:05:26 ▸ "param_diag_checker_tpc_enable" = 0; 00:05:26 ▸ "param_diag_gpu_frameCapture_enable" = 3; 00:05:26 ▸ "param_diag_gpu_shaderValidation_enable" = 0; 00:05:26 ▸ "param_diag_gpu_validation_enable" = 1; 00:05:26 ▸ "param_diag_memoryGraphOnResourceException" = 0; 00:05:26 ▸ "param_diag_queueDebugging_enable" = 1; 00:05:26 ▸ "param_diag_runtimeProfile_generate" = 1; 00:05:26 ▸ "param_diag_sanitizer_asan_enable" = 0; 00:05:26 ▸ "param_diag_sanitizer_tsan_enable" = 0; 00:05:26 ▸ "param_diag_sanitizer_tsan_stopOnIssue" = 0; 00:05:26 ▸ "param_diag_sanitizer_ubsan_stopOnIssue" = 0; 00:05:26 ▸ "param_diag_showNonLocalizedStrings" = 0; 00:05:26 ▸ "param_diag_viewDebugging_enabled" = 0; 00:05:26 ▸ "param_diag_viewDebugging_insertDylibOnLaunch" = 0; 00:05:26 ▸ "param_install_style" = 2; 00:05:26 ▸ "param_launcher_UID" = 2; 00:05:26 ▸ "param_launcher_allowDeviceSensorReplayData" = 0; 00:05:26 ▸ "param_launcher_kind" = 0; 00:05:26 ▸ "param_launcher_style" = 0; 00:05:26 ▸ "param_launcher_substyle" = 0; 00:05:26 ▸ "param_runnable_appExtensionHostRunMode" = 0; 00:05:26 ▸ "param_runnable_productType" = "com.apple.product-type.application"; 00:05:26 ▸ "param_structuredConsoleMode" = 0; 00:05:26 ▸ "param_testing_launchedForTesting" = 1; 00:05:26 ▸ "param_testing_suppressSimulatorApp" = 1; 00:05:26 ▸ "param_testing_usingCLI" = 0; 00:05:26 ▸ "sdk_canonicalName" = "iphonesimulator17.4"; 00:05:26 ▸ "sdk_osVersion" = "17.4"; 00:05:26 ▸ "sdk_variant" = iphonesimulator; 00:05:26 ▸ } When I choose iPad 10th Generation, iPhone 14, 14 plus, 14 pro or 14 pro max devices listed on xcrun simctl list it fails with the log above. (doesn't matter what OS version is selected) Other than those sims it works (I checked it on iPhone SE 3rd gen, ipad mini 6g) Are those devices excluded from Xcode 15.3 Beta 3? Then why are those on the xcrun simctl list still? FYI: myapp took -Wl and -ld_classic for OTHER_LDFLAGS option in xcconfig after first app installation crash, still didn't make any changes.
0
0
404
Feb ’24
SwiftUI TextEditor dismiss of onscreen keyboard does not show the text that is after the cursor
Scenario: Use code below or similar. Use Xcode simulator or physical device. Have on-screen keyboard hidden. Tap at the end of one of the lowest 5 lines of text that are visible. Using the iPad 10th gen simulator in landscape orientation, this is likely line 14 or so. The on-screen keyboard should have displayed. The text in the TextEditor may scroll up a bit. Using the bottom right key of the on-screen keyboard, dismiss the keyboard. The lines of text after the cursor position are not shown making the TextEditor about half-blank (when in landscape orientation). How do I avoid this unexpected behavior? I'm currently using Xcode 15.1. The code below is just test code to demonstrate the issue. import SwiftUI let alpha = "abcdefghijklmnopqrstuvwxyz" let araAlpha = Array(alpha).map { String($0) } struct ContentView: View { @State var text = "" var body: some View { TextEditor(text: $text) .padding(60).font(.largeTitle) .onAppear { for i in 1 ... 40 { let n = Int.random(in: 5 ... 20) text += String(i) + " " + araAlpha.shuffled() .joined().prefix(n) + "\n" } } } }
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431
Feb ’24
Simulator Not Working/Not Installing
Hi! I have been following an iOS App Dev Tutorial to create an app called Scrumdinger. Before creating the app, I installed the iOS 17.2, watchOS 10.2, tvOS 17.2, visionOS 1.0 simulators. Halfway through creating the project, somehow, all the simulators were uninstalled without my instruction. I am unable to now run or build my app in Xcode or open a new simulator. I have attached screenshots. However when I click "Get" to get the simulator, it says I have already installed it. Help me please. Shaabaz Khan (KoderKhan)
0
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236
Feb ’24
IOs simulator Vs my personal iPhone
hi everyone does anyone understand this issues below ? What to do or change in my code when this appear my code is over more than 20 swift file I don't know which one to share lol dyld[1060]: Symbol not found: _$s21DeveloperToolsSupport17UVPreviewRegistryCMn Referenced from: /private/var/containers/Bundle/Application/ACD0F0D4-CAF4-4101-BFC0-3990E29F316E/MyPmV1.app/MyPmV1 Expected in: /System/Library/Frameworks/DeveloperToolsSupport.framework/DeveloperToolsSupport
3
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370
Feb ’24
Simulator Dictionary Unavailable
In Xcode 15.2, I need to select a dictionary to verify that a word is valid. When I go to Settings>General>Dictionary on the simulated iPhone 15 Pro, I get the following message... "Dictionary Unavailable, Connect to the Internet and Try Again". I can go to websites from the Safari app in the simulated iPhone without an issue. How do I fix this? Thanks.
1
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261
Feb ’24
AVAudioPlayer init very slow on iOS 17 Simulator
On Xcode 15 (released version), the iOS 17 Simulator will stall / lag as soon as an AVAudioPlayer is initialized. let audioPlayer = try AVAudioPlayer(contentsOf: URL) audioPlayer.volume = 1.0 audioPlayer.delegate = self audioPlayer.prepareToPlay() Typically you would not notice this in a music app for example, but it is especially noticable in games where multiple sounds are being played using multiple instances of AVAudioPlayer. The entire app slows down because of it. It works fine on real devices and on iOS <=16 Simulators. I noticed that the iOS 17 simulator immediately shows an error in the console: 66.051 HALC_ProxyIOContext.cpp:1.329 HALC_ProxyIOContext::IOWorkLoop: skipping cycle due to overload and in the past iOS Simulators have been having trouble with audio. Unfortunately I cannot find a solution. Anyone?
7
3
1.6k
Feb ’24
Accessibility inspector Audit with simulator
I'm experiencing an issue with the Accessibility Inspector. It's worked fine. Since the update, I'm unable to perform an audit while in the Simulator. I have the following message: "Select a target app to view Accessibility warnings and audit information." However, VoiceOver and Dynamic Type functionalities are working fine. The audit only works when I test on my iPhone. How can I connect the target for the audit? Thank you. Accessibility Inspector V5 Simuator 15.2
2
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410
Feb ’24
iOS 17 Simulator Issue: Error Message and lag when playing audio via AVAudioPlayer
When I play a m4a file on the new iOS 17 Simulator (17.0 and 17.2), the following error message appears and there is a noticeable lag on the simulator. The error and the lag don't happen on a real device (iOS 17.2) or the 16.4 simulator. This significantly affected my development experience as when there's a sound, I can't tell whether there's a performance issue of my code or not. Error Message: AudioQueueObject.cpp:5933 DetermineMetadataTimestamp unable to obtain valid timestamp, estimate:33506.000000 Code: var player: AVAudioPlayer! let url = Bundle.main.url(forResource:"k-be", withExtension: "m4a")! if player != nil { player?.stop() player = nil } player = try AVAudioPlayer(contentsOf: url) guard let player = player else { return } player.play() Here's the Feedback ID: FB13473463 (iOS 17 Simulator: Error Message and lag when playing audio via AVAudioPlayer) Thanks!
7
7
1.9k
Feb ’24
get_app_container does not work with group identifiers
Issue The documentation for get_app_container mentions the use of group identifier, but that does not seem to be working Print the path of the installed app's container Usage: simctl get_app_container <device> <app bundle identifier> [<container>] container Optionally specify the container. Defaults to app. app The .app bundle data The application's data container groups The App Group containers <group identifier> A specific App Group container Steps to reproduce The following command lists the groups and the respective root paths % xcrun simctl get_app_container booted com.apple.DocumentsApp groups group.com.apple.DocumentManager /Users/<username>/Library/Developer/CoreSimulator/Devices/1308FA26-FB67-4582-89B2-37774D0BCBCE/data/Containers/Shared/AppGroup/80B132E9-43A1-490C-89D1-C935523797BA group.com.apple.FileProvider.LocalStorage /Users/<username>/Library/Developer/CoreSimulator/Devices/1308FA26-FB67-4582-89B2-37774D0BCBCE/data/Containers/Shared/AppGroup/2A5B9F5E-B9DC-42AE-AE12-50257B58F02C group.com.apple.tipsnext /Users/<username>/Library/Developer/CoreSimulator/Devices/1308FA26-FB67-4582-89B2-37774D0BCBCE/data/Containers/Shared/AppGroup/77292BF1-0ED5-493A- But using either group.com.apple.DocumentManager or group.com.apple.FileProvider.LocalStorage as the group identifier does not return the root path for the corresponding groups ~ % xcrun simctl get_app_container booted com.apple.DocumentsApp group.com.apple.FileProvider.LocalStorage Print the path of the installed app's container Usage: simctl get_app_container <device> <app bundle identifier> [<container>] container Optionally specify the container. Defaults to app. app The .app bundle data The application's data container groups The App Group containers <group identifier> A specific App Group container This issue was also described in a Stackoverflow question about a year ago
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1
261
Feb ’24
Need Help with iOS 17 Simulator Installation Error (-67061)
Hello everyone, good day. For months now, I have been trying to get the iOS 17 simulator on my MacBook Pro. Unfortunately, it failed during the installation process. When it reached 100%, it showed 'installing,' but, regrettably, it failed and displayed the following error: (-67061 invalid signature (code or signature have been modified) Domain: SimDiskImageErrorDomain Code: 5 User Info: { DVTErrorCreationDateKey = "2024-02-02 13:57:23 +0000"; unusableErrorDetail = ""; } Has anyone ever come across this error? I would appreciate it if anyone could shed light on what it means and provide guidance on how to bypass it before attempting the installation again.
2
1
738
Feb ’24
WatchOS Simulator - Location Services Grayed Out
I'm trying to develop a watchOS app with location. I've got the proper privacy settings in the info.plist, similar code works on other devices. (also simulators). But on watchOS simulators everything is grayed out. Privacy & Location -> Location Services App shows up correctly, but everything is grayed out. I've tried: Different simulators (with/without paired iPhone) Different app configurations (Watch-Only app, Watch App with new companion) Toggling Supports Running Without iOS App Installation. It's always grayed out! This is with watchOS 10 simulators across any model, and Xcode 15.2 Any help would be appreciated.
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295
Feb ’24