Send and Receive Firebase Invites from Your iOS App

Objective-C

- (BOOL)application:(UIApplication *)application
    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  // Use Firebase library to configure APIs
  [FIRApp configure];
  return YES;
}

- (BOOL)application:(nonnull UIApplication *)application
            openURL:(nonnull NSURL *)url
            options:(nonnull NSDictionary<NSString *, id> *)options {
  return [self application:application
                   openURL:url
         sourceApplication:options[UIApplicationOpenURLOptionsSourceApplicationKey]
                annotation:options[UIApplicationOpenURLOptionsAnnotationKey]];
}

- (BOOL)application:(UIApplication *)application
            openURL:(NSURL *)url
  sourceApplication:(NSString *)sourceApplication
         annotation:(id)annotation {
  // Handle App Invite requests
  FIRReceivedInvite *invite =
      [FIRInvites handleURL:url sourceApplication:sourceApplication annotation:annotation];
  if (invite) {
    NSString *matchType =
        (invite.matchType == FIRReceivedInviteMatchTypeWeak) ? @"Weak" : @"Strong";
    NSString *message =
        [NSString stringWithFormat:@"Deep link from %@ \nInvite ID: %@\nApp URL: %@\nMatch Type:%@",
                                   sourceApplication, invite.inviteId, invite.deepLink, matchType];

    [[[UIAlertView alloc] initWithTitle:@"Deep-link Data"
                                message:message
                               delegate:nil
                      cancelButtonTitle:@"OK"
                      otherButtonTitles:nil] show];

    return YES;
  }

  return [[GIDSignIn sharedInstance] handleURL:url
                             sourceApplication:sourceApplication
                                    annotation:annotation];
}

Swift

func application(application: UIApplication,
  didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
  // Use Firebase library to configure APIs
  FIRApp.configure()
  return true
}

@available(iOS 9.0, *)
func application(application: UIApplication, openURL url: NSURL, options: [String : AnyObject])
  -> Bool {
    return self.application(application, openURL: url, sourceApplication: options[UIApplicationOpenURLOptionsSourceApplicationKey] as? String, annotation: "")
}

func application(application: UIApplication,
  openURL url: NSURL, sourceApplication: String?, annotation: AnyObject) -> Bool {
    if let invite = FIRInvites.handleURL(url, sourceApplication:sourceApplication, annotation:annotation) as? FIRReceivedInvite {
      let matchType =
          (invite.matchType == FIRReceivedInviteMatchType.Weak) ? "Weak" : "Strong"
      print("Invite received from: \(sourceApplication) Deeplink: \(invite.deepLink)," +
          "Id: \(invite.inviteId), Type: \(matchType)")
      return true
    }

    return GIDSignIn.sharedInstance().handleURL(url, sourceApplication: sourceApplication, annotation: annotation)
}

Objective-C

@interface ViewController ()<FIRInviteDelegate>

Swift

class ViewController: UIViewController, FIRInviteDelegate {
  // ...

Objective-C

- (IBAction)inviteTapped:(id)sender {
  _inviteDialog = [FIRInvites inviteDialog];
  [_inviteDialog setInviteDelegate:self];

  // NOTE: You must have the App Store ID set in your developer console project
  // in order for invitations to successfully be sent.
  NSString *message =
      [NSString stringWithFormat:@"Try this out!\n -%@",
                                 [[GIDSignIn sharedInstance] currentUser].profile.name];

  // A message hint for the dialog. Note this manifests differently depending on the
  // received invation type. For example, in an email invite this appears as the subject.
  [_inviteDialog setMessage:message];

  // Title for the dialog, this is what the user sees before sending the invites.
  [_inviteDialog setTitle:@"Invites Example"];
  [_inviteDialog setDeepLink:@"app_url"];
  [_inviteDialog setCallToActionText:@"Install!"];
  [_inviteDialog setCustomImage:@"https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png"];
  [_inviteDialog open];
}

Swift

@IBAction func inviteTapped(sender: AnyObject) {
  if let invite = FIRInvites.inviteDialog() {
    invite.setInviteDelegate(self)

    // NOTE: You must have the App Store ID set in your developer console project
    // in order for invitations to successfully be sent.

    // A message hint for the dialog. Note this manifests differently depending on the
    // received invation type. For example, in an email invite this appears as the subject.
    invite.setMessage("Try this out!\n -\(GIDSignIn.sharedInstance().currentUser.profile.name)")
    // Title for the dialog, this is what the user sees before sending the invites.
    invite.setTitle("Invites Example")
    invite.setDeepLink("app_url")
    invite.setCallToActionText("Install!")
    invite.setCustomImage("https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png")
    invite.open()
  }
}

Objective-C

FIRInvitesTargetApplication *targetApplication = [[FIRInvitesTargetApplication alloc] init];
targetApplication.androidClientID = self.androidClientIDLabel.text;
[inviteBuilder setOtherPlatformsTargetApplication:targetApplication];

Swift

let targetApplication = FIRInvitesTargetApplication.alloc().init()
targetApplication.androidClientID = self.androidClientIDLabel.text
inviteBuilder.setOtherPlatformsTargetApplication(targetApplication)

Objective-C

- (void)inviteFinishedWithInvitations:(NSArray *)invitationIds error:(NSError *)error {
  NSString *message =
      error ? error.localizedDescription
            : [NSString stringWithFormat:@"%lu invites sent", (unsigned long)invitationIds.count];
  [[[UIAlertView alloc] initWithTitle:@"Done"
                              message:message
                             delegate:nil
                    cancelButtonTitle:@"OK"
                    otherButtonTitles:nil] show];
}

Swift

func inviteFinishedWithInvitations(invitationIds: [AnyObject], error: NSError?) {
  if let error = error {
    print("Failed: " + error.localizedDescription)
  } else {
    print("Invitations sent")
  }
}