A protocol defining methods that URLSession instances call on their delegates to handle task-level events.
SDKs
Framework
If you’re using download tasks, also implement the methods in the URLSession protocol.
If you’re using data or upload tasks, also implement the methods in the URLSession protocol.
func urlTells the delegate that the task finished transferring data.
func urlTells the delegate that the remote server requested an HTTP redirect.
func urlPeriodically informs the delegate of the progress of sending body content to the server.
func urlTells the delegate when a task requires a new request body stream to send to the remote server.
func urlRequests credentials from the delegate in response to an authentication request from the remote server.
enum URLSessionConstants passed by session or task delegates to the provided continuation block in response to an authentication challenge.
func urlTells the delegate that a delayed URL session task will now begin loading.
enum URLSessionThe action to take on a delayed URL session task.
func urlTells the delegate that the task is waiting until suitable connectivity is available before beginning the network load.
func urlTells the delegate that the session finished collecting metrics for the task.
class URLSessionAn object encapsulating the metrics for a session task.
var configuration: URLSessionA copy of the configuration object for this session.
var delegate: URLSessionThe delegate assigned when this object was created.
protocol URLSessionA protocol defining methods that URLSession instances call on their delegates to handle session-level events, like session life cycle changes.
var delegateThe operation queue provided when this object was created.
var sessionAn app-defined descriptive label for the session.