Hi… I’m struggling with Sign in With Apple and the problem is exacerbated by it being in a Qt6 / C++ MacOS app which uses ObjC to do interact with Apple Frameworks. Outsude XCode, of course, because we use QT Creator. I’m pretty sure that I set it up correctly by implementing an @interface CWAppleAuthenticationServiceImpl : NSObject <ASAuthorizationControllerPresentationContextProviding,ASAuthorizationControllerDelegate> - (id)initWithOwner:(MyAppleAuthenticationService *) owner; and all the rest. Code compiles an runs, and when when I call [controller performRequests] the presentationAnchorForAuthorizationController gets called. But nothing visible happens in the app. Instead it jumps right into didCompleteWithError , so I guess I did connect everything correctly – except that it doesn’t work correctly. So I sign the app, providing the entitlements <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>com.apple.developer.applesignin</key> <array> <string>Default</string> </array> </dict> </plist> Signing and Notarisation works, but when I start the app, it crashes. The entitlesments are part of the app, i checked that with codesign which claims that everything is fine. The crash appears to be the same as described in https://forums.developer.apple.com/forums/thread/698870, i.e. "Error of invalid code signature" . This is backed by me signing it without entitlements, which yields a working and running application, albeit without signIn capabilities. I’m a bit stumped.

This is a continuation of https://developer.apple.com/forums/thread/760861 Still a mixed Qt/C++/ObjC app, developed with Qt Creator. The gist ist that I can call Sign in With Apple and authorise, but once the Authorisation Window/Panel goes away, the app is blocked. PBSigninWithApple:: PBSigninWithApple() { myImpl = [[PBSigninWithApple alloc] initWithOwner:this]; } - (id)initWithOwner:(PBSigninWithApple *) owner { self = [super init]; myOwnerSIWA = owner; ASAuthorizationAppleIDProvider *appleIDProvider = [ASAuthorizationAppleIDProvider new]; ASAuthorizationAppleIDRequest *request = appleIDProvider.createRequest; request.requestedScopes = @[ASAuthorizationScopeFullName, ASAuthorizationScopeEmail]; ASAuthorizationController *controller = [[ASAuthorizationController alloc] initWithAuthorizationRequests:@[request]]; controller.presentationContextProvider = self; controller.delegate = self; [controller performRequests]; return self; } The code example above is obviously reduced, but the real things works. I get the Sign in With Apple window and can authorise by TouchId. The didCompleteWithAuthorization and didCompleteWithError methods also work, emitting the the idendityToken to the calling superclass works, the authorisation window goes away - but not really. The calling QT app is semi-blocked. I can close windows ny using the Escape key, but any clicking just gives the dreaded beep and nothing happens. So I assume that we didn‘t tear down everything and that the anchor or whatever still has to focus. - (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithAuthorization:(ASAuthorization *)authorization API_AVAILABLE(macos(10.15)) { if ([authorization.credential isKindOfClass:[ASAuthorizationAppleIDCredential class]]) { ASAuthorizationAppleIDCredential *appleIDCredential = authorization.credential; NSString *user = appleIDCredential.user; NSData *identityToken = appleIDCredential.identityToken; NSData *authorizationCode = appleIDCredential.authorizationCode; emit myOwnerSIWA-&gt;accessCodeReceived(identityToken); } [[NSNotificationCenter defaultCenter] removeObserver:self name:ASAuthorizationAppleIDProviderCredentialRevokedNotification object:nil]; [myAnker close]; [self release]; } - (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithError:(ASAuthorization *)authorization API_AVAILABLE(macos(10.15)) { emit myOwnerSIWA-&gt;accessCodeReceived(QString("")); [[NSNotificationCenter defaultCenter] removeObserver:self name:ASAuthorizationAppleIDProviderCredentialRevokedNotification object:nil]; } -(ASPresentationAnchor)presentationAnchorForAuthorizationController:(ASAuthorizationController *)controller API_AVAILABLE(macos(10.15)) { NSRect frame = NSMakeRect(30, 30, 230, 230); NSUInteger windowStyle = NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskResizable | NSWindowStyleMaskFullSizeContentView; NSWindow* window = [[[NSWindow alloc] initWithContentRect:frame styleMask:windowStyle backing:NSBackingStoreBuffered defer:NO] autorelease]; window.minSize = CGSizeMake(200, 100); window.releasedWhenClosed = TRUE; myAnker = window; return window; }