Instance Method

downloadTaskWithURL:

Creates a download task that retrieves the contents of the specified URL and saves the results to a file.

Declaration

- (NSURLSessionDownloadTask *)downloadTaskWithURL:(NSURL *)url;

Parameters

url

The URL to download.

Return Value

The new session download task.

Discussion

After you create the task, you must start it by calling its resume method.

See Also

Adding Download Tasks to a Session

- downloadTaskWithURL:completionHandler:

Creates a download task that retrieves the contents of the specified URL, saves the results to a file, and calls a handler upon completion.

- downloadTaskWithRequest:

Creates a download task that retrieves the contents of a URL based on the specified URL request object and saves the results to a file.

- downloadTaskWithRequest:completionHandler:

Creates a download task that retrieves the contents of a URL based on the specified URL request object, saves the results to a file, and calls a handler upon completion.

- downloadTaskWithResumeData:

Creates a download task to resume a previously canceled or failed download.

- downloadTaskWithResumeData:completionHandler:

Creates a download task to resume a previously canceled or failed download and calls a handler upon completion.

NSURLSessionDownloadTask

A URL session task that stores downloaded data to file.

NSURLSessionDownloadDelegate

A protocol defining methods that URL session instances call on their delegates to handle task-level events specific to download tasks.