Discuss games on Apple platforms.

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app distribution failed because of asset validation
Asset validation failed (90680) Invalid directory. The bundle Payload/-.app/FBAEMKit.framework is not contained in a correctly named directory. It should be under Frameworks. (ID: ea5bb445-d7e8-42e4-a7c7-a3067fdec27f) Asset validation failed (90680) Invalid directory. The bundle Payload/-.app/FBSDKShareKit.framework is not contained in a correctly named directory. It should be under Frameworks. (ID: 149a6e7d-1ec1-4e20-86d4-d74e3c23059b) Asset validation failed (90535) Unexpected CFBundleExecutable Key. The bundle at 'Payload/-.app/Frameworks/UnityFramework.framework/UsdCs.bundle' does not contain a bundle executable. If this bundle intentionally does not contain an executable, consider removing the CFBundleExecutable key from its Info.plist and using a CFBundlePackageType of BNDL. If this bundle is part of a third-party framework, consider contacting the developer of the framework for an update to address this issue. (ID: e6941470-2215-49c2-a7a6-9303587559b6) Asset validation failed (90680) Invalid directory. The bundle Payload/-.app/FBSDKLoginKit.framework is not contained in a correctly named directory. It should be under Frameworks. (ID: 0ae7d7b2-6ba3-47e6-abb5-cb39791f3873) Asset validation failed (90680) Invalid directory. The bundle Payload/-.app/FBSDKCoreKit.framework is not contained in a correctly named directory. It should be under Frameworks. (ID: 4fb729bb-7f30-450b-be09-cbc3513b5dc6) Asset validation failed (90680) Invalid directory. The bundle Payload/-.app/FBSDKGamingServicesKit.framework is not contained in a correctly named directory. It should be under Frameworks. (ID: 2e434f90-d2b3-4627-ac3b-bed7aec7f007) Asset validation failed (90680) Invalid directory. The bundle Payload/-.app/FBSDKCoreKit_Basics.framework is not contained in a correctly named directory. It should be under Frameworks. (ID: e9c647d5-62fb-4100-b103-04ec7ee5481e)
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104
2d
IOS 18 Beta 2
Hello, I encountered a problem in the latest beta version of ios 18. When I go to any browser or game, everything freezes and I can't do anything. The keyboard does not open and there is no response to touch. It started in the evening, but at first everything was fine. I hope you will fix it. I can't use the browser
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120
2d
What triggers Game Mode?
What are the specific characteristics that trigger Game Mode in an iOS game? I have several casual SpriteKit games in the App Store but only one of them triggers Game Mode. What does GCSupportsGameMode do when set to true? Will it trigger Game Mode or will the OS still decide by itself?
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130
6d
How best to handle AirPods audio glitches in Game Mode?
Hello! The new lower latency support for AirPods in Game Mode is impressive, but I'm not sure of the best way to handle the transition into/out of Game Mode while audio is playing. In order to lower the latency, the system appears to drop some number of samples, with the result being a good deal less latency. My use case is macOS where it's easier to switch in/out of the fullscreen game (a simple swipe left), thus causing more issues for Game Mode since the audio is playing the entire time. It would be nice if offscreen games could remain in game mode, but I understand not wanting to give developers that control. Are there any best practices for avoiding or masking the audio glitch caused by this skip-ahead? Is there a system event I can receive to know when Game Mode is about to be enabled or disabled, where I could perhaps fade out the audio? My callback checks the inTimestamp->mSampleTime value to detect gaps, but it only rarely detects a Game Mode gap, even though the audio skip-ahead always happens. BTW, I am currently only developing on macOS (15.0) and I'm working at a low level with AudioUnit callbacks and a SpatialMixer. I am not currently using any higher-level audio APIs. And here's a few questions I don't necessarily expect answers to, but it doesn't hurt to ask: Is there any additional technical details about how this latency reduction works, or exactly how much of a reduction is achieved (or said another way, how many samples are dropped)? How much does this affect AirPods battery life? And finally, is there a way to query the actual latency value? I check the value for kAudioDevicePropertyLatency but it seems to always report 160ms for AirPods. Thanks!
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111
1w
xcode16beta run unreal engine has VectorIntrinsics Failed.
LogUnrealMathTest: FAILED: VectorCos: Ref vs Vec ]LogUnrealMathTest: Bad(0.000000): (0.707107 0.500000 0.342019 0.173648) (0.000000 0.000000 0.000000 0.000000) FAILED: VectorCos: Ref vs Vec LogUnrealMathTest: Bad(0.000000): (-0.707107 -0.500000 -0.342021 -0.173648) (-0.000000 -0.000000 -0.000000 -0.000000) LogMac: Error: appError called: Fatal error: [File:/Users/enginej3/Desktop/UE4/Engine/Source/Runtime/Core/Private/Tests/Math/UnrealMathTest.cpp] [Line: 1652] VectorIntrinsics Failed. this error when running after Xcode build success.this error case unreal editor crash.
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279
Aug ’24
Is anyone still using GKVoiceChat since it has been deprecated?
Hello, I would like to know if anyone has or still using the GKVoiceChat capabilities in their apps. I wanted to use it for my online game but I am coming across issues using it and wondering if their are alternatives?. The documentation mentions to use Share-play but that wont be possible with random online players. Any help will be appreciated!.
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354
Aug ’24
GameKit/GameCenter the invitation process gets stuck on “Retrieving”
Hello, I try to invite a friend to play my app , however when the friend try to press invite link component via iMessage, it shows “Retrieving” and then disappear, nothing happens, it doesn't redirect to my app, what I'm missing? or doing wrong I can leave some part of my code import Foundation import GameKit extension RealTimeGame: GKLocalPlayerListener { /// Handles when the local player sends requests to start a match with other players. func player(_ player: GKPlayer, didRequestMatchWithRecipients recipientPlayers: [GKPlayer]) { print("\n\nSending invites to other players.") } /// Presents the matchmaker interface when the local player accepts an invitation from another player. func player(_ player: GKPlayer, didAccept invite: GKInvite) { // Present the matchmaker view controller in the invitation state. if let viewController = GKMatchmakerViewController(invite: invite) { viewController.matchmakerDelegate = self rootViewController?.present(viewController, animated: true) { } } } } also I don't have "<key>CFBundleURLTypes</key>" in my info.plist, I don't know I need that or not...
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273
Aug ’24
CADisplayLink wrongly capping at 90hz on iPhone 15 Pro
I have a game for iOS where I use CADisplayLink to animate a simulation, and for some reason the animation is not getting the full 120hz on capable devices (like iPhone 15 Pro). When I enable a 120hz refresh target, the animation is capped at only 90hz. This looks terrible because the animation works best when doubled (30, 60, 120, 240, etc). The really bizarre thing is that when I turn on Screen Recording, my frame rate instantly jumps to 120, and everything looks perfectly smooth. My game has never looked better on iPhone! When recording is stopped, the animation drops back down to 90 fps. What in the world is going on? [displayLink setPreferredFrameRateRange:CAFrameRateRangeMake(100,240,120)]; //Min. Max, Preferred [displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; (Also, CADisableMinimumFrameDurationOnPhone is set to True in info.plist)
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287
Aug ’24
App crashes on launch. Need help debugging.
This is a ue5 generated xcode project. So my experience with xcode is lacking. When I archive the project and upload it, the review process is denied due to a crash. "exception" : {"codes":"0x0000000000000000, 0x0000000000000000","rawCodes":[0,0],"type":"EXC_CRASH","signal":"SIGABRT"}, "termination" : {"flags":0,"code":6,"namespace":"SIGNAL","indicator":"Abort trap: 6","byProc":"TipsyGrandma-IOS-Shipping","byPid":14104}, "asi" : {"libsystem_c.dylib":["abort() called"]}, "faultingThread" : 8, "threads" : [{"id":3581946,"threadState":{"x":[{"value":268451845},{"value":21592279046},{"value":8589934592},{"value":50590419779584},{"value":0},{"value":50590419779584},{"value":2},{"value":4294967295},{"value":18446744073709550527},{"value":11779},{"value":0},{"value":1},{"value":11779},{"value":1334051},{"value":1099511627776},{"value":0},{"value":18446744073709551569},{"value":6885582840,"symbolLocation":56,"symbol":"clock_gettime"},{"value":0},{"value":4294967295},{"value":2},{"value":50590419779584},{"value":0},{"value":50590419779584},{"value":6161933672},{"value":8589934592},{"value":21592279046},{"value":21592279046},{"value":4412409862}],"flavor":"ARM_THREAD_STATE64","lr":{"value":7977549832},"cpsr":{"value":4096},"fp":{"value":6161933520},"sp":{"value":6161933440},"esr":{"value":1442840704,"description":" Address size fault"},"pc":{"value":7977535496},"far":{"value":0}},"queue":"com.apple.main-thread","frames":[{"imageOffset":6152,"symbol":"mach_msg2_trap","symbolLocation":8,"imageIndex":2},{"imageOffset":20488,"symbol":"mach_msg2_internal","symbolLocation":80,"imageIndex":2},{"imageOffset":20256,"symbol":"mach_msg_overwrite","symbolLocation":436,"imageIndex":2},{"imageOffset":19808,"symbol":"mach_msg","symbolLocation":24,"imageIndex":2},{"imageOffset":343900,"symbol":"__CFRunLoopServiceMachPort","symbolLocation":160,"imageIndex":3},{"imageOffset":341504,"symbol":"__CFRunLoopRun","symbolLocation":1208,"imageIndex":3},{"imageOffset":339160,"symbol":"CFRunLoopRunSpecific","symbolLocation":608,"imageIndex":3},{"imageOffset":4520,"symbol":"GSEventRunModal","symbolLocation":164,"imageIndex":4},{"imageOffset":4237580,"symbol":"-[UIApplication _run]","symbolLocation":888,"imageIndex":5},{"imageOffset":4975056,"symbol":"UIApplicationMain","symbolLocation":340,"imageIndex":5},{"imageOffset":56055436,"imageIndex":1},{"imageOffset":249420,"symbol":"start","symbolLocation":2240,"imageIndex":6}]},{"id":3582061,"frames":[{"imageOffset":4292,"symbol":"start_wqthread","symbolLocation":0,"imageIndex":9}],"threadState":{"x":[{"value":6162493440},{"value":5123},{"value":6161956864},{"value":0},{"value":409604},{"value":18446744073709551615},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0}],"flavor":"ARM_THREAD_STATE64","lr":{"value":0},"cpsr":{"value":4096},"fp":{"value":0},"sp":{"value":6162493440},"esr":{"value":1442840704,"description":" Address size fault"},"pc":{"value":8310337732},"far":{"value":0}}},{"id":3582062,"frames":[{"imageOffset":4292,"symbol":"start_wqthread","symbolLocation":0,"imageIndex":9}],"threadState":{"x":[{"value":6163066880},{"value":8707},{"value":6162530304},{"value":0},{"value":409604},{"value":18446744073709551615},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0},{"value":0}],"flavor":"ARM_THREAD_STATE64","lr":{"value":0},"cpsr":{"value":4096},"fp":{"value":0},"sp":{"value":6163066880},"esr":{"value":1442840704,"description":" Address size fault"},"pc":{"value":8310337732},"far":{"value":0}}},{"id":3582063,"frames":[{"imageOffset":4292,"symbol":"start_wqthread","symbolLocation":0,"imageIndex":9}],"threadState":{"x":[{"value":6163640320},{"value":9475},{"value":6163103744},{"value":0},{"value":409604},
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307
Jul ’24
Regarding the issue of rejected audit in guideline 4.7.4
Hello everyone, due to the reason of 4.7.4 being rejected, we have resubmitted and provided indexes for each individual game in the application, or are we rejecting for the same reason? We would like to know which step is problematic because we have added streaming games to our new version, which has been under review for a long time. We hope to receive an answer here. Thank you.
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232
Jul ’24
Game Center Notifications do not include GKMessageImage.png
Hello, Asking the following as, I was unable to find answers via search on the forum and in the documentation: Invitations sent via iMessage seem to work correctly with my custom image ( GKMessageImage.png ) however, notifications sent to Game Center Friends via invites generated in Game Center do not include the custom image ( GKMessageImage.png ). Questions: Is this expected behavior? Is there a different way to customize the image in the notification? Note the Game Center notification includes the App name correctly. I also noted in the WWDC session in 2016 ( saw video recently ) that there was some mention of no longer adding friends via Game Center. Is that currently true? Thanks in advance.
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355
3w
Implementing a bouncing surface
I am trying to simulate a pinball game and I want to use PhysicsBody & PhysicsMotion to achieve that. I tuned the parameters around in PhysicsBodyComponent, but the result is not quite ideal for now. Imagine a fully inflated basketball bouncing high off the ground (ground vs basketball). I assign PhysicsBodyComponent and CollisionComponent to both basketball and the ground. For basket ball, I set it as: dynamic mode mass 1, inertia .one Material.Restitution 1 Angular Damping and Linear Damping to 0 AddForce to make the basketball move to hit the ground For ground, I set it as: static mode mass 1, inertia .zero Material.Restitution 1 Angular Damping and Linear Damping to 0 However, when the basket ball hit the ground, it isn't that bouncy, the basketball behaves like hitting to a cotton and the linear speed just dumps fast. Wonder how I could achieve the bouncing effect like real basketball vs ground.
4
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718
Jul ’24
Iphone 14 & 15 pro model camera focusing error / UNITY APP
Hi, I would like to ask your advice with our IOS app, which has a problem with the Iphone 14 pro & Iphone 15 pro model camera focusing on close objects. The game is made with Unity and the idea is that kids can scan random QR - and barcodes to catch monsters. With Iphone the no pro models focus and read the barcodes well, but new models with three back camera systems our app does not focus on close, that makes the barcode reading hard. Somehow it seems that the Iphone pro model is not changing the camera lens to close focusing one in a third party app like it does when you use the camera itself. Do you have any advice on how to solve the focusing problem? I appreciate your help!
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415
Jul ’24
Any emulator for Mac Silicon?
As of now, there are some emulators available for the Apple Silicon Mac, such as Parallels Desktop and VMware Fusion. These emulators support virtualization on Apple Silicon and offer some support for ARM architecture. However, not all mobile applications or games have been adapted for Apple Silicon yet, so are there any emulators designed for moblie games fully adapted to Apple Silicon?
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539
Jun ’24