Próbuję dodać libUAirship-1.4.0.a, przechodząc do Fazy budowania> Link Binary With Libraries i lokalizując bibliotekę na dysku, po wykonaniu tego wciąż otrzymuję błąd mówiący o użyciu niezadeklarowanego identyfikatora: UAirshipTakeOffOptionsLaunchOptionsKey, UAirship, UAPush.

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // Override point for customization after application launch.

    //Create Airship options dictionary and add the required UIApplication launchOptions
    NSMutableDictionary *takeOffOptions = [NSMutableDictionary dictionary];
    [takeOffOptions setValue:launchOptions forKey:UAirshipTakeOffOptionsLaunchOptionsKey];

    // Call takeOff (which creates the UAirship singleton), passing in the launch options so the
    // library can properly record when the app is launched from a push notification. This call is
    // required.
    //
    // Populate AirshipConfig.plist with your app's info from https://go.urbanairship.com
    [UAirship takeOff:takeOffOptions];

    // Set the icon badge to zero on startup (optional)
    [[UAPush shared] resetBadge];

    // Register for remote notfications with the UA Library. This call is required.
    [[UAPush shared] registerForRemoteNotificationTypes:(UIRemoteNotificationTypeBadge |
                                                         UIRemoteNotificationTypeSound |
                                                         UIRemoteNotificationTypeAlert)];

    // Handle any incoming incoming push notifications.
    // This will invoke `handleBackgroundNotification` on your UAPushNotificationDelegate.
    [[UAPush shared] handleNotification:[launchOptions valueForKey:UIApplicationLaunchOptionsRemoteNotificationKey]
                       applicationState:application.applicationState];

    return YES;
}