Developer Documentation: PhotoKit
June 7, 2021
Work with image and video assets managed by the Photos app, including those from iCloud Photos and Live Photos. In iOS and macOS, PhotoKit provides classes that support building photo-editing extensions for the Photos app. In iOS, macOS, and tvOS, PhotoKit also provides direct access to the photo and video assets managed by the Photos app.
Accessing the camera while multitasking
Delivering an Enhanced Privacy Experience in Your Photos App