Enumeration Case

PHAuthorizationStatusNotDetermined

Explicit user permission is required for photo library access, but the user has not yet granted or denied such permission.

Declaration

PHAuthorizationStatusNotDetermined = 0

Discussion

Photos will automatically prompt for user authorization when you attempt to fetch assets, asset collections, or collection lists. Alternatively, you may call the requestAuthorization: method to prompt the user for authorization at a time of your choosing.