Global Variable


A key whose value is an error that occurred when Photos attempted to load the image.


let PHImageErrorKey: String


This key provides information about an image loading result in the resultHandler block for methods listed in Requesting Images. The corresponding value is an NSError object.Photos provides an error object for this key if it cannot provide an image for your handler block’s result parameter. Examine the error object for information about the cause of the error.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software