ALAssetsLibraryWriteImageCompletionBlock
Signature for the block executed when ALAssetsLibrary/writeImage(toSavedPhotosAlbum:orientation:completionBlock:) completes.
Declaration
typedef void (^)(NSURL *, NSError *) ALAssetsLibraryWriteImageCompletionBlock;Discussion
The block parameters are defined as follows:
- assetURL
An URL that identifies the saved image file.
If the image is not saved, assetURL is nil.
- error
If the image is not saved, an error object that describes the reason for failure, otherwise
nil.