Instance Property

progressHandler

A block that Photos calls periodically while downloading the image.

Declaration

var progressHandler: PHAssetImageProgressHandler? { get set }

Discussion

If you request an image whose data is not on the local device, and you have enabled downloading with the isNetworkAccessAllowed property, Photos calls your block periodically to report progress and to allow you to cancel the download.

See Also

Fetching Image Data from iCloud

var isNetworkAccessAllowed: Bool

A Boolean value that specifies whether Photos can download the requested image from iCloud.

typealias PHAssetImageProgressHandler

The signature for a block that Photos calls while downloading asset data from iCloud. Used by the progressHandler property.