Way to obtain authorization status for the "NSPhotoLibraryAddUsageDescription" permission in iOS 11

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Created Oct ’17

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In my app, I've been using the Activity View in order to save a video to Photos, among other things. In order to save the video to Photos, permission is needed, and the save to camera roll button in the Activity View automatically uses the "NSPhotoLibraryAddUsageDescription" as of iOS 11. I'd like to check whether or not permission was granted, in order to respond properly in case permission was denied and the video wasn't actually saved. I know that you can check the status of "NSPhotoLibraryUsageDescription" using [PHPhotoLibrary authorizationStatus], however, this doesn't seem to get the status of the new "NSPhotoLibraryAddUsageDescription" permission. Instead it returns "not determined", even if access was explicitly denied using the popup made from the activity view, so I'm guessing I need different code to access the authorization status of the new "NSPhotoLibraryAddUsageDescription" permission. And I haven't found any documented code that would let me do this (in fact, the Photos section of the docs seems to be unchanged from iOS 10).

So, is there any code in the api yet that will allow me to access the Authorized/NotDetermined/Denied status of the "NSPhotoLibraryAddUsageDescription" permission? Or is there no way to actually check the status of this permission yet?

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Answer 1

iTen OP

Oct ’17

Here is a start, refer to current APIs docs for any changes. https://developer.apple.com/library/content/samplecode/PrivacyPrompts/Introduction/Intro.html#//apple_ref/doc/uid/DTS40013410

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Answer 2

Yoshiquest OP

Oct ’17

No, this won't work. This stuff was last updated for iOS 10.3, not iOS 11, and the way they check photo permission checks the old photo read/write permission, not the new photo write-only permission I need to check. In other words, those are out of date currently.

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