A protocol that most delegates of a URL connection implement to receive data associated with the connection.
UIKit for Mac 13.0+Beta
The NSURLConnectionDataDelegate protocol describes methods that should be implemented by the delegate for an instance of the NSURLConnection class. Many methods in this protocol existed as part of an informal protocol in previous versions of macOS and iOS.
In addition to the methods described in this protocol, an NSURLConnection delegate should also implement the methods described in the NSURLConnectionDelegate protocol.
A protocol that delegates of a URL connection created with Newsstand Kit implement to receive data associated with a download.
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.