client – Server
Understanding New Concepts
GET request: An HTTP request where a client requests a specified resource from a server.
HTTP method: Another term for the type of HTTP request.
URL: Specifies a location for retrieving data over the network.
Status code: A number returned in response to an HTTP request that indicates the results of the request.
Client: The role that an iPhone play if it is accessing data from the network(ex. downloading images from Facebook)
import UIKit class ViewController: UIViewController { @IBOutlet weak var imageView: UIImageView! override func viewDidLoad(){ super.viewDidLoad() let imageURL = NSURL(string: "https://upload.wikimedia.org/wikipedia/commons/4/4d/Cat_November_2010-1a.jpg"); NSURLSession.sharedSession() } }