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!

Solution 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)
}

Solution 2

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()
        ])
)

Solution 3

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
}

Solution 4

I know this is a pretty old question here but it seams that it will never be outdated as Facebook hasn't updated their QuickStart guide for a long time.

So here is the solution for Swift 4.x.

In didFinishLaunching:

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

    FBSDKApplicationDelegate.sharedInstance()?.application(application, didFinishLaunchingWithOptions: launchOptions)

    return true
}

In open Url:

func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {

    let handled = FBSDKApplicationDelegate.sharedInstance().application(app, open: url, sourceApplication: options[.sourceApplication] as? String, annotation: options[.annotation])
    return handled
}

Solution 5

Swift 5 with FBSDKCoreKit (5.3.0)

Import FBSDKCoreKit in appdelegate

In didFinishLaunching:

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    FBSDKCoreKit.ApplicationDelegate.shared.application(application, didFinishLaunchingWithOptions: launchOptions)
    return true
}

In open Url:

  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
    let handled = FBSDKCoreKit.ApplicationDelegate.shared.application(app, open: url, options: options)
    return handled
}

View more solutions

Comments

[Dustin Nielson]

This was helpful for me but It would be great if someone could whip up a quick tutorial for logging into facebook using the new sdk. I've gotten so far as to get the button to render.

[HungryArthur]

There is a very clear tutorial and example here : brianjcoleman.com/…

[snibbe]

Note that openURL:sourceApplication:annotation is deprecated in iOS 9 (stackoverflow.com/questions/33737403/…). Instead use return FBAppCall.handleOpenURL(url, sourceApplication: options["UIApplicationOpenURLOptionsSourceApplicationKey"] as! String

[code_ada]

return FBSDKApplicationDelegate.sharedInstance().application(applic‌​ation, openURL: url, sourceApplication: sourceApplication, annotation: annotation) line fails saying use of unresolved identifier sourceApplication and same for annotation.

[DàChún]

it works. but seems it is different from the official documentation: developers.facebook.com/quickstarts/873570042741264/… - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation

[Whitney Foster]

yeah the check for the "fb" is to support other frameworks (braintree and branch for my app) @User9527

[E-Madd]

Thanks. Someone at Facebook should have to go through their own quick start docs every month to see if they're horribly outdated

[RoyBS]

Thank you so much, you're a life saver

[Pradeep Kashyap]

for new sdk(5.0.0) did finish code : ApplicationDelegate.shared.application(application, didFinishLaunchingWithOptions: launchOptions) and for open URL : let handled = ApplicationDelegate.shared.application(app, open: url, sourceApplication: options[.sourceApplication] as? String, annotation: options[.annotation])