Photo permission dialog not shown when iOS app runs on Mac

Media Technologies Photos & Camera
endecotp
endecotp OP
Created Feb ’25
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According to the docs:

The first time your app performs an operation that requires [photo library] authorization, the system automatically and asynchronously prompts the user for it.

(https://developer.apple.com/documentation/photokit/delivering-an-enhanced-privacy-experience-in-your-photos-app)

I.e. it's not necessary for the app to call PHPhotoLibrary.requestAuthorization.

This does seem to be what happens when my app runs on an iPhone or iPad; the prompt is shown. But when it runs on a Mac in "designed for iPad" mode, the permission dialog is not presented. Instead the code continues to see status == .notDetermined.

That's today, on macOS 15.3. It may have worked in the past.

Is anyone else seeing issues with this? Should I call requestAuthorization explicitly? (Would that actually work?)

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endecotp
endecotp OP
2w

I'm having another look at this.

I've been looking at the system log when my app first tries to access photos. Here are some excerpts from the huge amount of logging that looks relevant:

default	19:11:18.758810+0000	TopoMaps2	[4.475] [T=22792] enabling photos service
default	19:11:18.813997+0000	photolibraryd	photolibraryd starting up [97330]
default	19:11:18.856556+0000	tccd	requestor: TCCDProcess: identifier=com.apple.photolibraryd, pid=97330, auid=501, euid=501, binary_path=/System/Library/PrivateFrameworks/PhotoLibraryServices.framework/Versions/A/Support/photolibraryd is checking access for accessor TCCDProcess: identifier=com.topomapsapp.TopoMaps2, pid=97320, auid=501, euid=501, binary_path=/private/var/folders/n4/lyzh1r8n1wl77pqsjpm6xm440000gn/X/330A9F7F-2CC8-5AF6-83DC-C8193E22383A/d/Wrapper/TopoMaps2.app/TopoMaps2
default	19:11:18.859100+0000	tccd	AUTHREQ_SUBJECT: msgID=97330.1, subject=com.topomapsapp.TopoMaps2,
error	19:11:18.862226+0000	trustd	SecKeyVerifySignature failed: Error Domain=NSOSStatusErrorDomain Code=-67808 "RSA signature verification failed, no match" UserInfo={numberOfErrorsDeep=0, NSDescription=RSA signature verification failed, no match}
error	19:11:18.862278+0000	trustd	SecKeyVerifySignature failed: Error Domain=NSOSStatusErrorDomain Code=-50 "rsa_pub_crypt failed, ccerr=-7" (paramErr: error in user parameter list) UserInfo={numberOfErrorsDeep=0, NSDescription=rsa_pub_crypt failed, ccerr=-7}
error	19:11:18.864989+0000	tccd	Prompting policy for hardened runtime; service: kTCCServicePhotos requires entitlement com.apple.security.personal-information.photos-library but it is missing for accessing={TCCDProcess: identifier=com.topomapsapp.TopoMaps2, pid=97320, auid=501, euid=501, binary_path=/private/var/folders/n4/lyzh1r8n1wl77pqsjpm6xm440000gn/X/330A9F7F-2CC8-5AF6-83DC-C8193E22383A/d/Wrapper/TopoMaps2.app/TopoMaps2}, requesting={TCCDProcess: identifier=com.apple.photolibraryd, pid=97330, auid=501, euid=501, binary_path=/System/Library/PrivateFrameworks/PhotoLibraryServices.framework/Versions/A/Support/photolibraryd},
default	19:11:18.866647+0000	tccd	requestor: TCCDProcess: identifier=com.apple.photolibraryd, pid=97330, auid=501, euid=501, binary_path=/System/Library/PrivateFrameworks/PhotoLibraryServices.framework/Versions/A/Support/photolibraryd is checking access for accessor TCCDProcess: identifier=com.topomapsapp.TopoMaps2, pid=97320, auid=501, euid=501, binary_path=/private/var/folders/n4/lyzh1r8n1wl77pqsjpm6xm440000gn/X/330A9F7F-2CC8-5AF6-83DC-C8193E22383A/d/Wrapper/TopoMaps2.app/TopoMaps2
error	19:11:18.904886+0000	photolibraryd	cannot open file at line 49450 of [1b37c146ee]
error	19:11:18.904897+0000	photolibraryd	os_unix.c:49450: (2) open(/private/var/db/DetachedSignatures) - No such file or directory
default	19:11:18.921665+0000	TopoMaps2	_addObserver:authorizationStatus: waiting for authorization (not determined)
error	19:11:18.932657+0000	tccd	Prompting policy for hardened runtime; service: kTCCServicePhotos requires entitlement com.apple.security.personal-information.photos-library but it is missing for requesting={TCCDProcess: identifier=com.topomapsapp.TopoMaps2, pid=97320, auid=501, euid=501, binary_path=/private/var/folders/n4/lyzh1r8n1wl77pqsjpm6xm440000gn/X/330A9F7F-2CC8-5AF6-83DC-C8193E22383A/d/Wrapper/TopoMaps2.app/TopoMaps2},
default	19:11:18.933346+0000	tccd	Policy disallows prompt for Sub:{com.topomapsapp.TopoMaps2}Resp:{TCCDProcess: identifier=com.topomapsapp.TopoMaps2, pid=97320, auid=501, euid=501, binary_path=/private/var/folders/n4/lyzh1r8n1wl77pqsjpm6xm440000gn/X/330A9F7F-2CC8-5AF6-83DC-C8193E22383A/d/Wrapper/TopoMaps2.app/TopoMaps2}; access to kTCCServicePhotos denied
default	19:11:18.940315+0000	TopoMaps2	_addObserver:authorizationStatus: waiting for authorization (denied)

Does that mean anything to anyone????

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Photo permission dialog not shown when iOS app runs on Mac
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