Google Ads 8.0 插页式 SwiftUI

问题描述

似乎将 Google MobileAdsSDK 8.0 (iOS) 与 SwiftUI 结合使用的示例并不多。 到目前为止,我有一堂课Interstitial

import GoogleMobileAds
import UIKit
    
final class Interstitial:NSObject,GADFullScreenContentDelegate{
    var interstitial:GADInterstitialAd!
    
    override init() {
        super.init()
        LoadInterstitial()
    }
    
    func LoadInterstitial(){
        let req = GADRequest()
        GADInterstitialAd.load(withAdUnitID: "...",request: req) { ad,error in
            self.interstitial = ad
            self.interstitial.fullScreenContentDelegate = self
        }
        
    }
    
    func showAd(){
        if self.interstitial != nil {
            let root = UIApplication.shared.windows.first?.rootViewController
            self.interstitial.present(fromRootViewController: root!)
        }
    }
    
    
    func adDidDismissFullScreenContent(_ ad: GADFullScreenPresentingAd) {
        LoadInterstitial()
    }
}

在我的 SwiftUI 视图中,我创建了一个局部变量 Interstitial,并在执行操作时调用 showAd() 函数,但是当广告显示时,它会立即停止 showAd() 之后的代码从运行中调用。所以我想我需要以某种方式调用 showAd(),一旦广告被关闭,然后在视图中执行我的其余代码。正如您在上面看到的,Interstitial 类是委托,但我如何“提醒”我的 SwiftUI 视图广告已关闭,以便我可以执行其余代码?以下是我的观点。

import SwiftUI

struct MyView: View {
    
    @Environment(\.managedObjectContext) var managedObjectContext

    var interstitial : Interstitial = Interstitial()

    
    var body: some View {
        VStack{
            //... Display content
        }
        .navigationBarItems(trailing:
            HStack{
                Button(action: actionSheet) {
                    Image(systemName: "square.and.arrow.up")
                }
                
            }
        )
    }
    
    func showAd(){
        interstitial.showAd()
    }
    
    func actionSheet() {
        showAd()
        let data = createPDF()
        let temporaryFolder = FileManager.default.temporaryDirectory
        let fileName = "export.pdf"
        let temporaryFileURL = temporaryFolder.appendingPathComponent(fileName)
        do {
            try data.write(to: temporaryFileURL)
            let av = UIActivityViewController(activityItems: [try URL(resolvingAliasFileAt: temporaryFileURL)],applicationActivities: nil)
            UIApplication.shared.windows.first?.rootViewController?.present(av,animated: true,completion: nil)

        } catch {
            print(error)
        }
    }
    
}

解决方法

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