Swift 集成adMob:错误:线程1:致命错误:
我正在尝试将admob添加到我的应用程序中,但出现错误 线程1:致命错误:在展开可选值时意外发现nil 我在developer.google.com和stackoverflow.com上也有关注,但我似乎无法修复它 这是我的密码: 导入UIKit 进口谷歌手机 类ViewController:UIViewController、GADBannerViewDelegate{Swift 集成adMob:错误:线程1:致命错误:,swift,admob,swift4,Swift,Admob,Swift4,我正在尝试将admob添加到我的应用程序中,但出现错误 线程1:致命错误:在展开可选值时意外发现nil 我在developer.google.com和stackoverflow.com上也有关注,但我似乎无法修复它 这是我的密码: 导入UIKit 进口谷歌手机 类ViewController:UIViewController、GADBannerViewDelegate{ //Place your instance variables here let allQuestions = Questio
//Place your instance variables here
let allQuestions = QuestionBank()
var pickedAnswer : Bool = false
var questionNumber : Int = 0
var score : Int = 0
var bannerView: GADBannerView!
var banner: GADBannerView!
@IBOutlet weak var questionLabel: UILabel!
@IBOutlet weak var scoreLabel: UILabel!
@IBOutlet weak var GoogleBannerView: GADBannerView!
@IBOutlet weak var progressLabel: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
banner = GADBannerView(frame: self.view.frame)
GADMobileAds.configure(withApplicationID: "ca-app-pub-3940256099942544/2934735716")
bannerView.adUnitID = "ca-app-pub-3940256099942544/2934735716" ***//Crashes Here***
bannerView.rootViewController = self
bannerView.load(GADRequest())
bannerView.delegate = self
/// Tells the delegate an ad request loaded an ad.
func adViewDidReceiveAd(_ bannerView: GADBannerView) {
print("adViewDidReceiveAd")
}
/// Tells the delegate an ad request failed.
func adView(_ bannerView: GADBannerView,
didFailToReceiveAdWithError error: GADRequestError) {
print("adView:didFailToReceiveAdWithError: \(error.localizedDescription)")
}
/// Tells the delegate that a full-screen view will be presented in response
/// to the user clicking on an ad.
func adViewWillPresentScreen(_ bannerView: GADBannerView) {
print("adViewWillPresentScreen")
}
/// Tells the delegate that the full-screen view will be dismissed.
func adViewWillDismissScreen(_ bannerView: GADBannerView) {
print("adViewWillDismissScreen")
}
/// Tells the delegate that the full-screen view has been dismissed.
func adViewDidDismissScreen(_ bannerView: GADBannerView) {
print("adViewDidDismissScreen")
}
/// Tells the delegate that a user click will open another app (such as
/// the App Store), backgrounding the current app.
func adViewWillLeaveApplication(_ bannerView: GADBannerView) {
print("adViewWillLeaveApplication")
}
bannerView = GADBannerView(adSize: kGADAdSizeBanner)
addBannerViewToView(bannerView)
nextQuestion()
}
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)
])
}
感谢所有能提供帮助的人!!您有两个GadBanerView类型的对象(banner和bannerView),看起来您正在混合它们
您正在尝试设置bannerView的adUnitId,但从未实例化过此横幅。我删除了该横幅,但它仍然显示错误。您可以使用新代码编辑您的问题,以便我查看您的操作吗?