Здравей, Swift (Hello, Swift)
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Презентацията е кратко въведение в практическата лекция, част от "Въвеждаща лекция в програмирането с iOS", която проведох през Октомври 2014
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Здравей, Swift (Hello, Swift)
- 1. Здравей, Swift (Hello, Swift) Как да добавим Facebook Login в нашето приложение
- 2. Създаване на Facebook приложение https://developers.facebook.com/quickstarts/?platform=ios
- 4. Добяване на “Bundle Identifier”
- 7. Връзка между Obj-c и Swift
- 11. Main.Storyboard
- 12. Login with Swift iOS App https://github.com/mvel ikov/facebook-login-with- swift/
Editor's Notes
- Създаване на проект в XCode: iOS -> Application -> Single View Application Product Name: Facebook Login with Swift iOS Application Language: Swift Devices: Universal
- Добавяме FacebookSDK в проекта Създаваме Bridge-Header.h клас и импортираме FacebookSDK.h в проекта #import <FacebookSDK/FacebookSDK.h> Описваме Facebook App детайлите в Info.plist
- Регистрираме Facebook класовете, които ползваме в AppDelegate func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { FBLoginView.self FBProfilePictureView.self return true } func application(application: UIApplication, openURL url: NSURL, sourceApplication: NSString?, annotation: AnyObject) -> Bool { var wasHandled:Bool = FBAppCall.handleOpenURL(url, sourceApplication: sourceApplication) return wasHandled } Добавяме FBLoginViewDelegate методи func loginViewShowingLoggedInUser(loginView : FBLoginView!) { println("User Logged In") } func loginViewFetchedUserInfo(loginView : FBLoginView!, user: FBGraphUser) { println("User Name: \(user.name)") fbUser = user performSegueWithIdentifier("showUserDetails", sender: fbLoginView) } func loginViewShowingLoggedOutUser(loginView : FBLoginView!) { println("User Logged Out") } func loginView(loginView : FBLoginView!, handleError:NSError) { println("Error: \(handleError.localizedDescription)") }
- Създаваме член променливи в класа ViewController import UIKit class ViewController: UIViewController, FBLoginViewDelegate { var fbUser : FBGraphUser? @IBOutlet var fbLoginView : FBLoginView! override func viewDidLoad() { super.viewDidLoad() self.fbLoginView.delegate = self self.fbLoginView.readPermissions = ["public_profile", "email", "user_friends"] } } Добавяме prepareForSegue метод в ViewController, с който изпращаме данни между двата контролера override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) { if sender as FBLoginView == fbLoginView { let destinationController: UserDetailsViewController = segue.destinationViewController as UserDetailsViewController destinationController.userName = fbUser?.name destinationController.userProfileId = fbUser?.objectID } }
- Създаваме клас UserDetailsViewController Добавяме userName и userProfileId член променливи към класа import UIKit class UserDetailsViewController: UIViewController { var userName: String? var userProfileId: String? @IBOutlet var userNameLabel: UILabel! @IBOutlet weak var userProfileImageView: FBProfilePictureView! override func viewDidLoad() { super.viewDidLoad() userNameLabel.text = userName userProfileImageView.profileID = userProfileId } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
- Създаваме изгледите за двата контролера в Main.Storyboard