Google AdMobのテスト

ViewController.swift

import UIKit
import GoogleMobileAds

class ViewController: UIViewController, GADBannerViewDelegate {
    
    var bannerView: GADBannerView!

    override func viewDidLoad() {
        super.viewDidLoad()
        
        bannerView = GADBannerView(adSize: kGADAdSizeBanner)
        addBannerViewToView(bannerView)
        bannerView.adUnitID = "ca-app-pub-3940256099942544/2934735716"
        bannerView.rootViewController = self
        bannerView.load(GADRequest())
        bannerView.delegate = self
    }

    func addBannerViewToView(_ bannerView: GADBannerView) {
     bannerView.translatesAutoresizingMaskIntoConstraints = false
     view.addSubview(bannerView)
     view.addConstraints(
       [NSLayoutConstraint(item: bannerView,
                           attribute: .bottom,
                           relatedBy: .equal,
                           toItem: bottomLayoutGuide,
                           attribute: .top,
                           multiplier: 1,
                           constant: 0),
        NSLayoutConstraint(item: bannerView,
                           attribute: .centerX,
                           relatedBy: .equal,
                           toItem: view,
                           attribute: .centerX,
                           multiplier: 1,
                           constant: 0)
       ])
    }

}