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Delve into the physical components of Apple devices, including processors, memory, storage, and their interaction with the software.

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I need some general Core Motion advice
I'm building a physical therapy app and as part of it, I want the app to oversee and measure certain exercises that the user will do. I'm not sure if I should use Core Motion, location services, or something else. These are the specific things we want to measure: The user walks for 6 minutes. At the end of it, we tell them how far they walked. The user runs for 30 seconds. We tell them their average speed and peak speed. The user does a broad jump: basically just jumping forward as far as they can. We want to measure the distance jumped. I'm thinking location services might work for #1 but I doubt it will be accurate enough for #2. For #3 I thought I could do this with the accelerometer if I took readings at short intervals and combined them with something like the trapezoidal rule, but I can't get this to produce a reliable result. Let me know what you think, thanks.
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408
Feb ’24
Apple TV 4K (HDMI + WIFI ONLY) cannot prepare into MDM
Hello, my company ordered Apple TV 4K HDMI + WIFI only.. The device has no ethernet or USB-C port. Only has HDMI and power port. I read on Apple's website to connect to Apple configurator I have to do it via WIFI. I followed the steps from the Apple website (https://support.apple.com/en-ca/guide/apple-configurator-2/cada1ba9dab1/mac) but once I'm paired to the Apple TV and I try to "Prepare" in Apple configurator to get the device setup on MDM it tells me the AppleTV device is already prepared and asks to "Erase" which I do then the Apple TV is back to the beginning setup screen and no longer connected to WIFI... Once I run through the setup again and get back on WIFI and goto pair screen it says the same thing when I try to prepare again.. Just going in circles and not getting anywhere.. Anyone have a solution? Prepare Apple TV HD or Apple TV 4K using Wi-Fi or Ethernet Make sure your Apple TV is connected to the same network your Mac is connected to. Make sure the Apple TV is at the first screen of the Setup Assistant that says Pair Your Remote. Launch Apple Configurator 2 . From the Apple Configurator 2 menu, choose Paired Devices. Select your Apple TV in the Paired Devices list, then click Pair. Enter the six-digit personal identification number (PIN) that appears on the screen of your Apple TV. Select your Apple TV in the device window of the Apple Configurator 2. Click Prepare and follow the onscreen instructions to set up your Apple TV.
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654
Feb ’24
Question regarding longevity
As I am currently in development of an App for iOS, I also need a Mac. Currently, I am working on the Mac of my girlfriend. But, it turns out that I need a newer version of XCode which is not supported on Monterey. I also can't update Mac OS since it is not supported on this hardware anymore (also can't do it on her machine - it's hers). Long story short, I am now in the process of getting my own Mac. Unfortunately, I am not really familiar with the different Macs out there and wanted to know about longevity or longterm support of these machines regarding OS Updates. I want to be able to update also in the next cycles. As I do not have too much Budget, I wanted to find a refurbished one, but one that still supports OS Updates for a while so that I do not have the same situation next year and have a machine then which also can't update XCode/Mac OS. Is there anything you would recommend?
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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
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Feb ’24
PKDrawing.image crashes on iOS 17 (EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000000000210)
In 2 days we have observed in Crashlytics over 50 crashes related to PKDrawing.image with EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000000000210 So far all on iPads with A10, A12 and A13; 100% on iOS 17 (17.1.1, 17.2, 17.3) (while in others the percent of iOS 17 was around 60-80%). Context: Images of the varying frame and scale resulting in screen resolution are being generated sequentially (in a background serial queue called almost one after another when requested), updating one CALayer.contents (and only after this update on Main Thread the next generation is allowed). One zoomable PKCanvasView is present on screen. The crashing line in code: let image = drawing.image(from: frame, scale: renderScale).cgImage The questions: Is there anything that can be done apart from throttling generation? Can the circumstances of the crash be determined – are there any indications accessible in code before calling PKDrawing.image that app might crash? The traces: 0 AGXMetalA12 AGX::BlitContext<AGX::G11::Encoders, AGX::G11::Classes, AGX::G11::ObjClasses>::copyTextureToBuffer(IOGPUMetalResource const*, unsigned long, unsigned long, unsigned long, AGXA12FamilyTexture*, unsigned int, unsigned int, MTLOrigin, MTLSize, unsigned long) + 96 9 PencilKit PKDrawing.image(from:scale:) + 28 0 AGXMetalA13 <redacted> + 96 9 PencilKit PKDrawing.image(from:scale:) + 28 0 AGXMetalA10 <redacted> + 72 9 PencilKit $s9PencilKit9PKDrawingV5image4from5scaleSo7UIImageCSo6CGRectV_12CoreGraphics7CGFloatVtF + 24
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Feb ’24
Decreased iPhone battery health
I have an iPhone 13 Promax, the battery health of which is 78%, and I would like it to be 100% after replacement. Most of the repairmen say that the cost is high, but a repair shop has announced a reasonable price. Has anyone had the experience of repairing in this repair shop? https://apple-irani.ir
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370
Feb ’24
Sonoma 14.4 Notes crash
Notes crashes 2 seconds after opening with the log `Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000120c50008 Exception Codes: 0x0000000000000001, 0x0000000120c50008 Termination Reason: Namespace SIGNAL, Code 11 Segmentation fault: 11 Terminating Process: exc handler [23832]`
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465
Feb ’24
Getting random reactive swift crash
I am getting below crash in reactive swift library. Will really appreciate any help in resolving it. Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_PROTECTION_FAILURE at 0x000000016b33bfe0 Exception Codes: 0x0000000000000002, 0x000000016b33bfe0 VM Region Info: 0x16b33bfe0 is in 0x16b338000-0x16b33c000; bytes after start: 16352 bytes before end: 31 REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL MALLOC_SMALL 15b800000-15c000000 [ 8192K] rw-/rwx SM=PRV GAP OF 0xf338000 BYTES ---&gt; STACK GUARD 16b338000-16b33c000 [ 16K] ---/rwx SM=NUL ... for thread 0 Stack 16b33c000-16b438000 [ 1008K] rw-/rwx SM=SHM thread 0 Termination Reason: SIGNAL 11 Segmentation fault: 11 Terminating Process: exc handler [1677] Triggered by Thread: 0 Thread 0 name: Thread 0 Crashed: 0 libswiftCore.dylib 0x000000019371c5a8 getCache(swift::TargetTypeContextDescriptorswift::InProcess const&amp;) + 8 (Metadata.cpp:479) 1 libswiftCore.dylib 0x000000019371d108 swift_getGenericMetadata(swift::MetadataRequest, void const* const*, swift::TargetTypeContextDescriptorswift::InProcess const*) + 56 (Metadata.cpp:937) 2 ReactiveSwift 0x0000000107cdef74 __swift_instantiateGenericMetadata + 28 (:0) 3 ReactiveSwift 0x0000000107cfe3b8 specialized Signal.Core.send(:) + 540 (Signal.swift:115) 4 ReactiveSwift 0x0000000107d2b408 Signal.Observer.send(:) + 20 (Signal.Observer.swift:111) 5 ReactiveSwift 0x0000000107cf7390 closure #3 in closure #1 in closure #1 in Signal&lt;&gt;.observeSwitchToLatest(::) + 188 (Flatten.swift:677) 6 ReactiveSwift 0x0000000107d2b408 Signal.Observer.send(:) + 20 (Signal.Observer.swift:111) 7 ReactiveSwift 0x0000000107d195f8 Signal.Core.tryToCommitTermination() + 604 (Signal.swift:231) 8 ReactiveSwift 0x0000000107cfe3b8 specialized Signal.Core.send(:) + 540 (Signal.swift:115) 9 ReactiveSwift 0x0000000107d2b408 Signal.Observer.send(:) + 20 (Signal.Observer.swift:111) 10 ReactiveSwift 0x0000000107cf7390 closure #3 in closure #1 in closure #1 in Signal&lt;&gt;.observeSwitchToLatest(::) + 188 (Flatten.swift:677) 11 ReactiveSwift 0x0000000107d2b408 Signal.Observer.send(:) + 20 (Signal.Observer.swift:111) 12 ReactiveSwift 0x0000000107d195f8 Signal.Core.tryToCommitTermination() + 604 (Signal.swift:231) 13 ReactiveSwift 0x0000000107cfe3b8 specialized Signal.Core.send(:) + 540 (Signal.swift:115) 14 ReactiveSwift 0x0000000107d2b408 Signal.Observer.send(:) + 20 (Signal.Observer.swift:111) 15 ReactiveSwift 0x0000000107cf7390 closure #3 in closure #1 in closure #1 in Signal&lt;&gt;.observeSwitchToLatest(:_:) + 188 (Flatten.swift:677) Here is Stack trace for the crash. crashlog.txt
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475
Feb ’24
Printer incompatible / obsolete
My operating system Sonoma 14.3.1 does not allow me to use my Brother colour laser printer. This printer still works beautifully and it's beyond me why I'd have to ditch it and buy another just because there is no driver update (to Sonoma). I've tried wireless (which this printer offers), I've tried with USB, I've tried Airprint. No luck. In researching which printers are best suited for my Mac mini and laptop there doesn't seem to be a concrete answer...except for HP but I'm not fond of being forced to purchase their cartridges (with an HP chip) or the printer will not work. Any other brand suggestions that will be guaranteed to work for the next 5 years?
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270
Feb ’24
The request to open
The request to open "com.." failed. Domain: IDELaunchCoreDevice Code: 0 User Info: { DVTErrorCreationDateKey = "2024-02-01 08:08:37 +0000"; IDERunOperationFailingWorker = IDELaunchCoreDeviceWorker; } The application failed to launch. Domain: com.apple.dt.CoreDeviceError Code: 10002 User Info: { BundleIdentifier = "com.."; } The request to open "com.." failed. Domain: FBSOpenApplicationServiceErrorDomain Code: 1 Failure Reason: The request was denied by service delegate (SBMainWorkspace). User Info: { BSErrorCodeDescription = RequestDenied; FBSOpenApplicationRequestID = 0x85ac; } The operation couldn’t be completed. The process failed to launch. Domain: FBProcessExit Code: 64 Failure Reason: The process failed to launch. User Info: { BSErrorCodeDescription = "launch-failed"; } The operation couldn’t be completed. Launch failed. Domain: RBSRequestErrorDomain Code: 5 Failure Reason: Launch failed. Launchd job spawn failed Domain: NSPOSIXErrorDomain Code: 22 Failure Reason: Invalid argument Event Metadata: com.apple.dt.IDERunOperationWorkerFinished : { "device_isCoreDevice" = 1; "device_model" = "iPhone14,5"; "device_osBuild" = "17.3 (21D50)"; "device_platform" = "com.apple.platform.iphoneos"; "dvt_coredevice_version" = "355.7.7"; "dvt_mobiledevice_version" = "1643.60.2"; "launchSession_schemeCommand" = Run; "launchSession_state" = 1; "launchSession_targetArch" = arm64; "operation_duration_ms" = 2418; "operation_errorCode" = 0; "operation_errorDomain" = IDELaunchCoreDevice; "operation_errorWorker" = IDELaunchCoreDeviceWorker; "operation_name" = IDERunOperationWorkerGroup; "param_debugger_attachToExtensions" = 0; "param_debugger_attachToXPC" = 1; "param_debugger_type" = 3; "param_destination_isProxy" = 0; "param_destination_platform" = "com.apple.platform.iphoneos"; "param_diag_MainThreadChecker_stopOnIssue" = 0; "param_diag_MallocStackLogging_enableDuringAttach" = 0; "param_diag_MallocStackLogging_enableForXPC" = 1; "param_diag_allowLocationSimulation" = 1; "param_diag_checker_tpc_enable" = 1; "param_diag_gpu_frameCapture_enable" = 0; "param_diag_gpu_shaderValidation_enable" = 0; "param_diag_gpu_validation_enable" = 0; "param_diag_memoryGraphOnResourceException" = 0; "param_diag_queueDebugging_enable" = 1; "param_diag_runtimeProfile_generate" = 0; "param_diag_sanitizer_asan_enable" = 0; "param_diag_sanitizer_tsan_enable" = 0; "param_diag_sanitizer_tsan_stopOnIssue" = 0; "param_diag_sanitizer_ubsan_stopOnIssue" = 0; "param_diag_showNonLocalizedStrings" = 0; "param_diag_viewDebugging_enabled" = 1; "param_diag_viewDebugging_insertDylibOnLaunch" = 1; "param_install_style" = 0; "param_launcher_UID" = 2; "param_launcher_allowDeviceSensorReplayData" = 0; "param_launcher_kind" = 0; "param_launcher_style" = 99; "param_launcher_substyle" = 8192; "param_runnable_appExtensionHostRunMode" = 0; "param_runnable_productType" = "com.apple.product-type.application"; "param_structuredConsoleMode" = 1; "param_testing_launchedForTesting" = 0; "param_testing_suppressSimulatorApp" = 0; "param_testing_usingCLI" = 0; "sdk_canonicalName" = "iphoneos17.2"; "sdk_osVersion" = "17.2"; "sdk_variant" = iphoneos; } System Information macOS Version 14.2 (Build 23C64) Xcode 15.2 (22503) (Build 15C500b) Timestamp: 2024-02-01T16:08:37+08:00
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445
Feb ’24
Crashs in app MyBoby
I have been receiving several rejections from Apple. Our application has been tested by 30 users who are using it normally. Our app was developed in React Native, in the EXPO environment. None of the users reported any crashes when starting the application; they even sent videos demonstrating it. Could you help me understand which crashes are occurring outside the TestFlight environment? Installation link: https://testflight.apple.com/join/ArnUpPLl Username: develop@myboby.net Password: 123456 Thank you!
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210
Jan ’24
Ongoing Bug - Sonoma/Word - Footnotes
When trying to view footnotes in draft or outline view in Word for Mac both from the App Store and the download from the Microsoft website, the screen continuously goes blank. Multiple fixes have been suggested however they have not worked. Please see below for additional information and ongoing user complaints: [https://discussions.apple.com/thread/255285863?sortBy=best) [https://answers.microsoft.com/en-us/msoffice/forum/all/trying-to-edit-footnote-separator-in-mac-word/9d47da2b-b4d9-4ca8-a904-22ca9d6a95f8)
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303
Jan ’24
Recording landscape video even if the iphone ist held for vertical video
If an iphone user is recording vertical video it would be a great feature if the iphone records left and right of the visual in the black bar area as well - this eleminates the problem while cutting a movie in landscape format to use poor looking ghost picture in the left and right bars. It would be nice if this feature is switchable in an option by using flags how the video was recorded and played back. Think about it - mainly people all over the world are recording vertical not because its cool, but because this is the best way to hold the device. Any suggestions... Thomas N.- Hamburg/Germany
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342
Jan ’24
How to make the device communicate with the iPhone 15 APP using the USB-C interface?
Before iPhone 15, the lighting interfaces required communication with external devices through mfi authentication,But there is no evidence to suggest that the USB-C interface needs to add an MFi authentication chip for authentication detection. Is there a way to use USB-C to detect external devices and communicate with each other in the app now, so that I can create my app and communicate with hardware devices
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632
Jan ’24
Does the app will be revised on a iPad or a MacOS?
I am developing my app for the Swift Student Challenge 2024. I have made significant progress on it and have been building it on a M1 Mac, where it works perfectly. However, when testing it on some iPads (specifically, the iPad Pro 2018 and iPad Air 5 M1), it did not perform well on these devices. I am wondering if I can specify whether the app should be reviewed on a Mac (M1 or later) or if it will be reviewed on an iPad.
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477
Jan ’24