Межстраничная реклама

import UIKit
import YandexMobileAds

class InterstitialViewController: UIViewController {
    private let adUnitID = "ad-unit-ID" // Use R-M-XXXXXX-Y or "demo-interstitial-yandex" (look for the description below)
    
    private var interstitialAd: InterstitialAd?
    
    private lazy var interstitialAdLoader: InterstitialAdLoader = {
        let loader = InterstitialAdLoader()
        loader.delegate = self
        return loader
    }()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        loadAd()
    }
    
    private func loadAd() {
        print("[Interstitial] Loading ad...")
        let configuration = AdRequestConfiguration(adUnitID: adUnitID)
        interstitialAdLoader.loadAd(with: configuration)
    }
    
    private func showAd() {
        guard let ad = interstitialAd else { return }
        ad.show(from: self)
    }
}

// MARK: - InterstitialAdLoaderDelegate

extension InterstitialViewController: InterstitialAdLoaderDelegate {
    func interstitialAdLoader(_ adLoader: InterstitialAdLoader, didLoad interstitialAd: InterstitialAd) {
        print("[Interstitial] didLoad")
        self.interstitialAd = interstitialAd
        self.interstitialAd?.delegate = self
        
        showAd()
    }
    
    func interstitialAdLoader(_ adLoader: InterstitialAdLoader, didFailToLoadWithError error: AdRequestError) {
        print("[Interstitial] didFailToLoad: \(error.error)")
    }
}

// MARK: -InterstitialAdDelegate

extension InterstitialViewController: InterstitialAdDelegate {
    func interstitialAdDidShow(_ interstitialAd: InterstitialAd) {
        print("[Interstitial] didShow")
    }
    
    func interstitialAdDidDismiss(_ interstitialAd: InterstitialAd) {
        print("[Interstitial] didDismiss")
    }
    
    func interstitialAdDidClick(_ interstitialAd: InterstitialAd) {
        print("[Interstitial] didClick")
    }
    
    func interstitialAd(_ interstitialAd: InterstitialAd, didFailToShowWithError error: Error) {
        print("[Interstitial] didFailToShow: \(error)")
    }
    
    func interstitialAd(_ interstitialAd: InterstitialAd, didTrackImpressionWith impressionData: ImpressionData?) {
        print("[Interstitial] didTrackImpression: \(impressionData?.rawData ?? "nil")")
    }
}