Adcolony test

struct Constants
{
    static let adColonyAppID = "app0da80fed71f14b81b0"
    static let adColonyZoneID = "vzc8cf608f563b470c8f"
    static let userID = "Dy9X6wfmfoO94GtSYw2fysp4I0YGB6ji"
}


class ViewController: UIViewController
{
    @IBOutlet weak var launchButton: UIButton!
    @IBOutlet weak var spinner: UIActivityIndicatorView!
    @IBOutlet weak var loadingLabel: UILabel!

    var ad: AdColonyInterstitial?


    //=============================================
    // MARK:- UIViewController Overrides
    //=============================================

    override func viewDidLoad()
    {
        super.viewDidLoad()

        let opt: AdColonyAppOptions = AdColonyAppOptions()
        opt.userID = Constants.userID

        //Configure AdColony once
        AdColony.configure(withAppID: Constants.adColonyAppID, zoneIDs: [Constants.adColonyZoneID], options: opt,
            completion:{(zones) in

                //AdColony has finished configuring, so let's request an interstitial ad
                self.requestInterstitial()

                //If the application has been inactive for a while, our ad might have expired so let's add a check for a nil ad object
                NotificationCenter.default.addObserver(forName: .UIApplicationDidBecomeActive,
                                                       object: nil,
                                                       queue: OperationQueue.main,
                                                       using: { notification in
                                                            //If our ad has expired, request a new interstitial
                                                            if (self.ad == nil) {
                                                                self.requestInterstitial()
                                                            }
                                                        })
            }
        )

        //Show the user that we are currently loading videos
        self.setLoadingState()
    }