ios - 如何从应用代理中删除插页式广告 - 应用内购买

Question

我已经从应用程序委托(delegate)中实现了插页式广告，并且加载正常。现在我想要购买按钮将其删除，我很困惑。

这是我的代码:

class AppDelegate: UIResponder, UIApplicationDelegate, GADInterstitialDelegate {

var window: UIWindow?
var myInterstitial: GADInterstitial!


func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {


    // Override point for customization after application launch.

    myInterstitial = createAndLoadInterstitial()
    return true
}

func createAndLoadInterstitial()->GADInterstitial {
    let interstitial = GADInterstitial(adUnitID: "xxxxx")
    interstitial.delegate = self

    interstitial.loadRequest(GADRequest())
    return interstitial
}

func interstitialDidReceiveAd(ad: GADInterstitial!) {
    print("interstitialDidReceiveAd")
}

func interstitial(ad: GADInterstitial!, didFailToReceiveAdWithError error: GADRequestError!) {
    print(error.localizedDescription)
}

func interstitialDidDismissScreen(ad: GADInterstitial!) {
    print("interstitialDidDismissScreen")
    myInterstitial = createAndLoadInterstitial()
}

和 View Controller :

let appDelegate = UIApplication.sharedApplication().delegate as! AppDelegate

override func viewWillAppear(animated: Bool) {


    appDelegate.myInterstitial?.presentFromRootViewController(self)

}

Answer 1

好的，所以真正的问题是 - 如何在购买时删除广告(来自评论)。

它可以很简单地实现 - 在您收到购买成功的确认后，您应该做两件事:

在 NSUserDefaults 中设置标志以便您在随后的应用程序启动中了解这一点

设置 myInterstitial至nil ，以便在此 session 期间不再显示广告

总结代码示例:

func paymentComplete() {
    NSUserDefaults.standardUserDefaults().setBool(true, forKey: "userAlreadyPaid")
    appDelegate.myInterstitial = nil
}

并更新您的 didFinishLaunchingWithOptions方法是这样的:

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {

    // Override point for customization after application launch.
    let userAlreadyPaid = NSUserDefauls.standardUserDefaults().boolForKey("userAlreadyPaid")

    if !userAlreadyPaid {
        myInterstitial = createAndLoadInterstitial()
    }
    return true
}

为了了解如何实现应用内购买，您可以引用官方文档:https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Introduction.html