Integration new facebook SDK by swift

Question

Today i tried to integrate facebook SDK to my Swift app but in the quick start on facebook guide page looks a bit different than my old code. How can i convert OBJ-C code below to swift?

- (void)applicationDidBecomeActive:(UIApplication *)application {
  [FBSDKAppEvents activateApp];
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  return [[FBSDKApplicationDelegate sharedInstance] application:application
                                    didFinishLaunchingWithOptions:launchOptions];
}

- (BOOL)application:(UIApplication *)application
            openURL:(NSURL *)url
  sourceApplication:(NSString *)sourceApplication
         annotation:(id)annotation {
  return [[FBSDKApplicationDelegate sharedInstance] application:application
                                                         openURL:url
                                               sourceApplication:sourceApplication
                                                      annotation:annotation];
}

Thanks!

Answer 1

It's pretty much the same, except instead of using brackets, you use dots.

func applicationDidBecomeActive(application: UIApplication!) {
    FBSDKAppEvents.activateApp()
}

func application(application: UIApplication!, didFinishLaunchingWithOptions launchOptions: NSDictionary!) -> Bool {
    return FBSDKApplicationDelegate.sharedInstance().application(application, didFinishLaunchingWithOptions: launchOptions)
}

func application(application: UIApplication, openURL url: NSURL, sourceApplication: String, annotation: AnyObject?) -> Bool {
    return FBSDKApplicationDelegate.sharedInstance().application(application, openURL: url, sourceApplication: sourceApplication, annotation: annotation)
}

Answer 2

This has been depricated in iOS 10.

func application(application: UIApplication, openURL url: NSURL, sourceApplication: String, annotation: AnyObject?) -> Bool {

For Swift 3.0, you can use:

Swift 3.0

func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {
    let isHandled = FBSDKApplicationDelegate.sharedInstance().application(app, open: url, sourceApplication: options[.sourceApplication] as! String!, annotation: options[.annotation])
    return isHandled
}

Answer 3

Swift 3 with Swift FacebookSDK

Podfile

pod 'FacebookCore'
pod 'FacebookLogin'

info.plist

no changes from old sdk

<key>CFBundleURLTypes</key>
<array>
    <dict>
        <key>CFBundleURLSchemes</key>
        <array>
            <string>fb$(YOUR_FB_APP_ID)</string>
        </array>
    </dict>
</array>
<key>LSApplicationQueriesSchemes</key>
<array>
    <string>fbapi</string>
    <string>fb-messenger-api</string>
    <string>fbauth2</string>
    <string>fbshareextension</string>
</array>
<key>FacebookAppID</key>
<string>$(YOUR_FB_APP_ID)</string>
<key>FacebookDisplayName</key>
<string>$(YOUR_APP_NAME)</string>

AppDelegate.swift

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
    SDKApplicationDelegate.shared.application(application, didFinishLaunchingWithOptions: launchOptions)
    ...
}

func applicationDidBecomeActive(_ application: UIApplication) {
    AppEventsLogger.activate(application)
}

func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {
    let appId = SDKSettings.appId
    if url.scheme != nil && url.scheme!.hasPrefix("fb\(appId)") && url.host ==  "authorize" { // facebook
        return SDKApplicationDelegate.shared.application(app, open: url, options: options)
    }
    return false
}

...

LoginManager (custom login, see docs for default/button implementation)

contains custom code but you get the point

let facebookManager = LoginManager(loginBehavior: .systemAccount, defaultAudience: .everyone)
func loginWithFacebook() {
    self.facebookManager.logIn(HAAccountManager.shared.facebookPermissions, viewController: self) { (result) in
        switch result {
        case .failed(let error):
            self.showAlert(forError: error as NSError)
        case .cancelled:
            print("FB login cancelled")
        case .success(let grantedPermissions, let deniedPermissions, let accessToken):
            if grantedPermissions.contains(Permission(name: "email")) == true {
                ApiClient.shared.facebookSignIn(authToken: accessToken.authenticationToken, completion: { (err, user) in
                    if err == nil {
                        // success
                    }
                    else {
                        self.showAlert(forError: err!)
                    }
                })
            }
            else {
                self.showAlert(forError: HAError(title: String(format: String.somethingError, String.signIn), message: grantedPermissions.contains(Permission(name: "email")) == true ? String.noAccountFound : String.missingEmailForSignUp))
            }
        }
    }
}

Analytics

// custom ex
AppEventsLogger.log(AppEvent(name: "open_app", parameters: ["logged_in": NSNumber(value: HAAccountManager.shared.isUserLoggedIn())], valueToSum: nil))

// purchase ex
AppEventsLogger.log(
    AppEvent.purchased(
        amount: Double(revenue),
        currency: currency,
        extraParameters: [
            AppEventParameterName.contentId : orderId,
            AppEventParameterName.itemCount : order.orderItems.count.nsNumber()
        ])
)