苹果12内存不够用,怎么办
GameKit
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各位大神有没有人知道苹果手机玩法隐藏技巧?
Hello,
I hope you are doing well.
I recently submitted my app for review, and it was rejected. However, I am still unsure about the exact reason for this decision.
I carefully reviewed the feedback provided, but some points remain unclear to me. Could you please clarify which specific guidelines were not met, or which parts of the app need to be changed or improved?
My goal is to fully understand the issue so I can fix it properly and ensure that the app complies with all App Store Review Guidelines in the future.
Thank you in advance for your time and support.
After authenticating the user I'm loading my Game Center leaderboards like this:
let leaderboards = try await GKLeaderboard.loadLeaderboards(IDs: [leaderboardID])
This is working fine, but there are times when this just returns an empty array. When I encounter this situation, the array remains empty for several hours when retrying, but then at some point it suddenly starts working again.
Is this a known issue? Or am I hitting some kind of quota maybe (as I do it quite often while developing my game)?.
Edit: My leaderboards are grouped in sets if that makes any difference here.
I do not understand how offline leaderboard submission is supposed to work in Game Kit:
While the documentation briefly states that offline submission is supported, how is that even possible when you first have to fetch a leaderboard object in order to then call its submitScore function? How can I get the leaderboard object in the first place when offline?
Can anyone enlighten me how this works? Or maybe point me to some relevant documentation?
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I have implemented the Game Center for authentication and saving player's game data. Both authentication and saving player's data works correctly all the time, but there is a problem with fetching and loading the data.
The game works like this:
At the startup, I start the authentication
After the player successfully logs in, I start loading the player's data by calling fetchSavedGames method
If a game data exists for the player, I receive a list of SavedGame object containing the player's data
The problem is that after I uninstall the game and install it again, sometimes the SavedGame list is empty(step 3). But if I don't uninstall the game and reopen the game, this process works fine.
Here's the complete code of Game Center implementation:
class GameCenterHandler {
public func signIn() {
GKLocalPlayer.local.authenticateHandler = { viewController, error in
if let viewController = viewController {
viewController.present(viewController, animated: false)
return
}
if error != nil {
// Player could not be authenticated.
// Disable Game Center in the game.
return
}
// Auth successfull
self.load(filename: "TestFileName")
}
}
public func save(filename: String, data: String) {
if GKLocalPlayer.local.isAuthenticated {
GKLocalPlayer.local.saveGameData(Data(data.utf8), withName: filename) { savedGame, error in
if savedGame != nil {
// Data saved successfully
}
if error != nil {
// Error in saving game data!
}
}
} else {
// Error in saving game data! User is not authenticated"
}
}
public func load(filename: String) {
if GKLocalPlayer.local.isAuthenticated {
GKLocalPlayer.local.fetchSavedGames { games, error in
if let game = games?.first(where: {$0.name == filename}){
game.loadData { data, error in
if data != nil {
// Data loaded successfully
}
if error != nil {
// Error in loading game data!
}
}
} else {
// Error in loading game data! Filename not found
}
}
} else {
// Error in loading game data! User is not authenticated
}
}
}
I have also added Game Center and iCloud capabilities in xcode. Also in the iCloud section, I selected the iCloud Documents and added a container.
I found a simillar question here but it doesn't make things clearer.
I have two devices (iPod, iPhone), each using a different Apple ID. I have an existing game to which I'm adding TBM. When the iPod invites the iPhone, it sends an iMessage invite to the iPhone; when I click on that message, I get "Retrieving", then Game Center in Settings is opened, not my App (same version installed on both devices). I start my App on the iPhone and that match is not shown in the Matchmaker View Controller.
When I send an invite from the iPhone to the iPod and I click on the iMessage invite, the app starts but the match isn't listed in the MatchMaker ViewController on the iPod (but is on the iPhone).
In addition, when I click on the info circle on the iPhone, it who's the two players and "App Store" under the Game Center name. However, When I do the same on the iPod, it has a "Play your turn" there.
Any ideas?
I'm encountering a build failure when trying to install the Game Porting Toolkit via Homebrew. The installation fails during the game-porting-toolkit-compiler dependency build phase with a CMake compatibility error.
Error Message:
CMake Error at CMakeLists.txt:3 (cmake_minimum_required):
Compatibility with CMake < 3.5 has been removed from CMake.
Update the VERSION argument <min> value. Or, use the <min>...<max> syntax
to tell CMake that the project requires at least <min> but has been updated
to work with policies introduced by <max> or earlier.
Or, add -DCMAKE_POLICY_VERSION_MINIMUM=3.5 to try configuring anyway.
-- Configuring incomplete, errors occurred!
Environment:
macOS: 15.6.1 (Sequoia)
Homebrew: 5.0.1
CMake: 3.20.2
Architecture: x86_64 (via Rosetta)
Formula: apple/apple/game-porting-toolkit-compiler v0.1
Source: crossover-sources-22.1.1.tar.gz
Steps to Reproduce:
Install x86_64 Homebrew for Rosetta compatibility
Run: arch -x86_64 /usr/local/bin/brew install apple/apple/game-porting-toolkit
Build fails during dependency installation
Root Cause:
The LLVM/Clang sources included in crossover-sources-22.1.1.tar.gz contain a CMakeLists.txt file that specifies a minimum CMake version lower than 3.5. Modern CMake versions (3.5+) have removed backward compatibility with these older version requirements.
Potential Solutions:
Update the Homebrew formula to patch the CMakeLists.txt with cmake_minimum_required(VERSION 3.5) or higher
Update to newer CrossOver sources with updated CMake requirements
Add the -DCMAKE_POLICY_VERSION_MINIMUM=3.5 flag to the CMake build command in the formula
Is this a known issue? Are there plans to update the formula or the source package to resolve this compatibility problem? Any guidance on a workaround would be appreciated.
Full log available at: /Users/kentarovadney/Library/Logs/Homebrew/game-porting-toolkit-compiler/02.cmake.log
Thanks for any assistance!
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My app is live but the leaderboards still aren’t updating. App was built with unreal engine 5 with blueprints. I have the leaderboard stat info entered into the node for write integer to leaderboard and a node for show platform specific leaderboard. The leaderboards are shown as live on app connect.
When I run the app, the Game Center login functions and the leaderboard interface launches as expected but it just lists a group of friends to invite. There are no scores listed and it says number of players 0 even though I have scored on two different devices and accounts. I have the Game Center entitlement added in Xcode. Not sure where else to look.
In a Unity game, if the assetBundle.Unloadinterface is called very frequently during normal gameplay, it can cause the game application's screen to freeze, although the background music continues to play normally. This issue only occurs on iPhone 16 and iPhone 17 models, with no problems on lower-version phones. How can this problem be resolved?
I am using the latest version of the Game Center plugin for Unity and have noticed that my game will crash on launch when trying to authenticate.
I've tried this in an empty project with just the plugin and it still crashes with this exception.
GfxDevice: creating device client; threaded=1; jobified=0
Initializing Metal device caps: Apple A14 GPU
Initialize engine version: 2022.3.62f2 (7670c08855a9)
GameKitException: Code=-7 Domain=GKErrorDomain Description=The operation couldn’t be completed. (GKErrorDomain error -7.) (UnsupportedOperationForOSVersion)
at Apple.GameKit.DefaultNSErrorHandler.ThrowNSError (System.IntPtr nsErrorPtr) [0x00000] in <00000000000000000000000000000000>:0
Rethrow as TypeInitializationException: The type initializer for 'Apple.GameKit.GKGameActivity' threw an exception.
And the area in the native code that is triggering the crash is this inside the GKLocalPlayer_SetAuthenticateHandler function
`_onAuthenticate!(tid, _mostRecentAuthenticatePlayer!.passRetainedUnsafeMutablePointer());
I am using Unity 2022.3.62f2 and MacOS 15.6 with iOS 18.6.2 which based on the min specs for the plugin we should be within spec.
I have also included this message because I thought it might help too
`terminating due to uncaught exception of type Il2CppExceptionWrapper
Could not import Swift modules for translation unit: failed to get module "GameKitWrapper" from AST context:
error: 'GKErrorCodeExtension.h' file not found
in file included from :1:
error: could not build Objective-C module 'GameKitWrapper'
warning: Ignoring missing VFS file: /Users/james/Library/Developer/Xcode/DerivedData/GameKitWrapper-dzawbtxqdxdviiakfxmfunexppqv/Build/Intermediates.noindex/GameKitWrapper.build/Release-iphoneos/GameKitWrapper-bc72bd3638f4d2956cac9b00e84c1a7d-VFS-iphoneos/all-product-headers.yaml
This is the likely root cause for any subsequent compiler
errors.warning: Ignoring missing VFS file: /Users/bill/Library/Developer/Xcode/DerivedData/GameKitWrapper-dzawbtxqdxdviiakfxmfunexppqv/Build/Intermediates.noindex/GameKitWrapper.build/Release-iphoneos/GameKitWrapper iOS.build/unextended-module-overlay.yaml
This is the likely root cause for any subsequent compiler errors.warning: TypeSystemSwiftTypeRef::GetNumChildren: had to engage SwiftASTContext fallback for type $syyXCD
I've also attached the script that I am using for authentication, this script runs on the first scene.
GameCenterManager.cs
Matchmaking rules
https://developer.apple.com/documentation/gamekit/matchmaking-rules?language=objc
AppStoreConnectApi rules
https://developer.apple.com/documentation/appstoreconnectapi/rules?language=objc
・Environment
Unity 6000.2.2f1
XCode 16.1
iOS 26
3 iPhones
・AppStoreConnectApi rules
"type": "gameCenterMatchmakingRuleSets",
"id": "f6a88caf-85db-42bf-xxxxxxxxxxxxxxxxxxxx",
"attributes": {
"referenceName": "co.mygame.RuleSets.GvERandom34",
"ruleLanguageVersion": 1,
"minPlayers": 3,
"maxPlayers": 4
},
"type": "gameCenterMatchmakingRules",
"id": "6afa68ce-4d2c-496f-xxxxxxxxxxxxxxxxxxxx",
"attributes": {
"referenceName": "GameVersion",
"description": "Check Game Version. GvERandom34",
"type": "COMPATIBLE",
"expression": "requests[0].properties.gameVersion == requests[1].properties.gameVersion",
"weight": null
},
"type": "gameCenterMatchmakingQueues",
"id": "7fb645ef-4eca-4510-xxxxxxxxxxxxxxxxxxxx",
"attributes": {
"referenceName": "co.mygame.que.GvERandom34",
"classicMatchmakingBundleIds": []
},
・Objective-C Execution code
queueName = "co.mygame.que.GvERandom34"
keyStr = "gameVersion "
valueStr = "1.0"
- (void)MatchQueueParamStr1Start:(NSString*)queueName keyStr:(NSString*)keyStr valueStr:(NSString*)valueStr
{
if (@available(iOS 17.2, tvOS 17.2, macOS 14.2, visionOS 1.1, *) == NO)
{
DBGLOG(@"MatchQueueParamStr1Start Not support.");
return;
}
self->_matchMakingFlag = YES;
self->_matchFinishFlag = NO;
self->_myMatch = nil;
GKMatchRequest *req = [[GKMatchRequest alloc] init];
if (@available(iOS 17.2, tvOS 17.2, macOS 14.2, visionOS 1.1, *))
{
req.queueName = queueName;
req.properties = @{keyStr: valueStr};
}
[[GKMatchmaker sharedMatchmaker] findMatchForRequest:req withCompletionHandler: ^(GKMatch *match, NSError *error)
{
if (error)
{
[self SetupErrorInfo:error descriptionText:@"findMatchForRequest"];
}
else if(match)
{
self->_myMatch = match;
self->_myMatch.delegate = self;
}
self->_matchMakingFlag = NO;
self->_matchFinishFlag = YES;
}];
}
・
I'm trying to match with three devices.
Matching doesn't work.
5 minutes later times out.
What's the problem?
Game Controller Input Limitations in visionOS Volumetric Windows
Hello Apple Developer Community,
I'm developing a game for visionOS and have encountered significant limitations with game controller input when using volumetric windows (WindowGroup with .volumetric style). I'd appreciate clarification on whether this is expected behavior and any guidance on best practices.
🧩 Issue Summary
When using a DualSense controller with a volumetric window in visionOS, only a subset of controller inputs are available to the app. The remaining inputs appear to be reserved by the system for UI navigation.
✅ Working Inputs (Volumetric Window)
D-Pad (all directions)
L3 (left thumbstick button click)
R3 (right thumbstick button click)
Menu button
Options button
❌ Not Working Inputs (Volumetric Window)
Left thumbstick analog movement (used for UI scrolling instead)
Right thumbstick analog movement (used for UI scrolling instead)
Face buttons (Cross, Circle, Square, Triangle / A, B, X, Y)
Shoulder buttons (L1, R1)
Triggers (L2, R2)
Key observation: When moving the left thumbstick in a volumetric window, the window's UI scrolls vertically instead of sending input to my app's GameController handlers. Similarly, face buttons seem to be reserved for system UI interactions.
⚙️ Implementation Details
I'm using the standard GameController framework:
Connect to controller via GCController.controllers()
Access extendedGamepad profile
Set up valueChangedHandler and pressedChangedHandler for all inputs
Handlers confirmed registered via logging
Working inputs (D-Pad, L3, R3) trigger immediately and consistently
Non-working inputs (thumbsticks, face buttons) never trigger
🧠 Critical Finding: ImmersiveSpace Works Perfectly
When testing the exact same code in an ImmersiveSpace (.mixed immersion style), all controller inputs work perfectly:
✅ Both thumbsticks provide full analog input
✅ All face buttons trigger their handlers
✅ All shoulder buttons and triggers work correctly
✅ 100% success rate with no intermittent issues
This suggests the issue isn't with my code, but rather how visionOS handles controller input differently between Volumetric Windows and ImmersiveSpace.
🧪 Test Environment
I created a minimal test project (Controller-Playground) to isolate the issue:
A simple ControllerTester class that registers all GameController handlers
A visual UI showing real-time input state
No game logic, RealityKit physics, or other complexity
Results
In volumetric window: Only D-Pad, L3, R3, Menu, Options work
In ImmersiveSpace: All inputs work perfectly
This confirms the limitation exists at the visionOS platform level, not in app code.
🧰 Attempted Workarounds
I tried the following without success:
Setting GCSupportsControllerUserInteraction = false in Info.plist
Setting UIRequiresFullScreen = true
Changing window styles (.plain, .volumetric)
Polling vs. handler-based input approaches
Various threading models (MainActor, separate thread)
Result: The only way to enable full controller support is to switch to ImmersiveSpace.
❓ Questions for Apple
Is this input reservation behavior in volumetric windows intended and documented?
Are game controllers expected to have limited functionality in volumetric windows while full functionality is reserved for ImmersiveSpace?
Is there a way to request full controller input access in a volumetric window, or is ImmersiveSpace the only option for complete controller support?
Where can I find official documentation about controller input differences between window types?
Are there any APIs or configuration options to disable system controller shortcuts in volumetric windows?
🎯 Impact
This limitation has a significant effect on game design and architecture:
Volumetric windows offer a multitasking-friendly, less immersive experience
ImmersiveSpace provides full controller support but may be more immersive than some games require
Games that only need basic D-Pad and button input can work fine in volumetric windows
Games requiring analog sticks or face buttons must currently use ImmersiveSpace
It would be very helpful if Apple could clarify or reference existing documentation regarding controller input handling in different visionOS window types. If such documentation doesn't exist yet, it might be valuable to include this information in future developer guides or best-practice documents.
🕹 Current Workaround
For now, I'm using:
D-Pad for character movement (digital 8-direction)
R3 (right stick click) as a substitute for the "X" button
This setup allows the game to function within a volumetric window, though full controller support still requires ImmersiveSpace.
📄 Request
If this is expected behavior, I may have simply missed the relevant documentation — could you please point me to any existing resources that explain this design?
If there isn't one yet, it would be great if future visionOS documentation could:
Clearly outline controller input behavior across window types
Provide guidance on when to use Volumetric Windows vs. ImmersiveSpace for games
Consider adding an API option to request full controller access when appropriate
If this is not expected behavior, I'm happy to file a detailed bug report with sample code.
💻 System Information
visionOS: Latest Simulator
Xcode: Latest version
Controller: Sony DualSense
Framework: GameController (standard extendedGamepad profile)
Test project: Minimal reproducible example available
Thank you for any clarification or guidance you can provide. This information would be valuable for many developers working on visionOS games.
My game has been successfully distributed multiple times via TestFlight for testing. However, I recently encountered an issue: after removing gamekit from the UIRequiredDeviceCapabilities configuration in Info.plist and republishing to TestFlight, the download prompt shows "Incompatible on this iPhone".
PS: My application does not use any GameCenter features at all, and GameKit.framework is not included in the Xcode project.
Issues building Unity plug-in project: Cannot locate native library Apple.Core/Apple.GameKit for iOS
I'm having issues getting a well built package from the Apple Unity Plug-in project.
When building the my game project in Unity the following error is printed to the console:
Apple.Core.AppleNativeLibraryUtility] Cannot locate a Debug or Release Apple.Core native library for iOS.
Please ensure that the build invocation (build.py, xcodebuild, or Xcode) compiled cleanly and that the build was configured to support Debug on iOS.
As far as I can tell the build did compile cleanly, but I might be missing something.
If anyone can see what I'm doing wrong or has any insight it would be greatly appreciated.
Setup is the following:
macOS Tahoe 26 Beta
Xcode-beta Version 26.0 beta 3 (17A5276g)
Unity Plug-in branch: 2025-beta1
Unity game project version: 2022.3.60f
M1 Macbook Pro
The built packages have been imported into the game project through the Unity Package Manager using the tarball option pointing to the built packages from the Unity Plug-in project.
The Unity Plug-in project has been built using the build.py file with the following:
python3 build.py -m iOS iPhoneSimulator -p Core GameKit CoreHaptics GameController -k all
The output is available in the attached file.
build-output.txt
Here's an image of the NativeLibraries~ folder inside the built Apple.Core package.
Hello,
On macOS 26 (Tahoe), when building a OSX app that includes GameKit code, calling GKLocalPlayer.local.authenticateHandler shows the "Sign In to Game Center" alert (e.g. didShowFullscreenSignIn) — even if the app does not have the Game Center capability enabled or any related entitlement (com.apple.developer.game-center).
This alert only appears when the user is not signed in to Game Center in system settings.
However, when testing the same code path on iOS app built with macOS 26 (Tahoe), the alert does not appear unless the proper capability and entitlement are included.
This behavior is different from macOS 15 (Sequoia) + Xcode 15.x. Prior to the update, Game Center features did not work at all even with the OSX app without Capability and Entitlements.
Steps to Reproduce
Create a new OSX app target (App Sandbox enabled, no Game Center capability).
Add minimal GameKit code:
GKLocalPlayer.local.authenticateHandler = { _, _, _ in }
Build OSX app and run on macOS 26 (Tahoe).
Ensure Game Center is signed out in System Settings.
Observe: “Sign In to Game Center” alert appears automatically.
Expected Behavior
When Game Center capability and entitlement are not present, authenticateHandler should fail silently, and no signIn alert should appear.
Actual Behavior
On OSX app, the Game Center signIn UI appears even without any Game Center capability or entitlement.
On iOS app, this alert does not appear.
*Build Configuration: built with the same condition. (macOS 26 + Xcode 26)
Question
Could you please confirm whether this behavior is an intentional change in macOS 26 or a bug only for OSX apps in the GameKit authentication flow?
Thank you.
Hi — we’re testing our app on iOS 26 and ran into strange behavior with GKLocalPlayer.local.authenticateHandler.
GKLocalPlayer.local.authenticateHandler = { [weak self] viewController, error in
// additional code
}
What happens:
When we assign authenticateHandler on iOS 26 and the user is not signed in to Game Center, the system shows a full-screen Game Center overlay asking the user to sign in.
If the user taps Cancel, nothing further happens — the closure is not invoked again, so we don’t receive an error or any callback. The app never learns whether the auth was cancelled or failed.
In previous iOS versions the closure was called (with viewController / error as appropriate) and the flow worked as expected.
What we tried:
Verified authenticateHandler is being set.
Checked GKLocalPlayer.local.isAuthenticated after the overlay dismisses — it’s unchanged.
Observed system logs: a com.apple.GameOverlayUI scene is created and later removed (so the auth overlay is shown by the system).
Confirmed the same code works on earlier iOS versions. :thinking:
Question:
Has anyone seen authenticateHandler not being invoked on iOS 26 when the Game Center auth overlay is presented? Could this be a behavioral change in iOS 26 (overlay runs in a separate system process), or a bug? Any suggested workarounds to reliably detect that the user cancelled the sign-in (for example: listening for willResignActive / didBecomeActive, watching for a system overlay, or saving/presenting the viewController manually)?
Thanks in advance for any advice — we’d appreciate pointers or suggested diagnostics ?