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I currently have an interstitial ad running for my viewcontroller. The issue is that when the ad is not ready, my app crashes with the error. If someone could help me with the following problems, I would appreciate it heaps! Thank you

View Controller : Issue being when the ad is not ready, app crashes with the error.

class JournalViewController: UIViewController, GADFullScreenContentDelegate {
    
    var interstitial: GADInterstitialAd!   
 
    override func viewDidLoad() {

        super.viewDidLoad()

        let request = GADRequest()
        GADInterstitialAd.load(withAdUnitID:"id ...",
                                      request: request,
                            completionHandler: { [self] ad, error in
                              if let error = error {
                                print("Failed to load interstitial ad with error: \(error.localizedDescription)")
                                return
                              }
                                interstitial = ad
                                interstitial?.fullScreenContentDelegate = self
                            }
          )
                
       let randomTime = Double(arc4random() + 20).truncatingRemainder(dividingBy: 60.0)
        Timer.scheduledTimer(timeInterval: randomTime, target: self, selector: #selector(ViewController.CreateAd), userInfo: nil, repeats: false)
        
    }
    @objc func CreateAd() -> GADInterstitialAd {
        
        if interstitial != nil {
                    interstitial.present(fromRootViewController: self)
                    let randomTime = Double(arc4random() + 20).truncatingRemainder(dividingBy: 60.0)
                    Timer.scheduledTimer(timeInterval: randomTime, target: self, selector: #selector(ViewController.CreateAd), userInfo: nil, repeats: false)
        } else {
            print("Ad not ready") // Thread 1: EXC_BAD_ACCESS (code=2, address=0x7ffee788bff8)
            interstitial = CreateAd()
        }
        return interstitial
            }

Furthermore, if someone has time to also look at this. I want to have the ad run multiple times. I understand interstitial ads do not allow this and to combat this I implemented this function but it does not work. Is this incorrect?

    func adDidDismissFullScreenContent(_ ad: GADFullScreenPresentingAd) {
        
        interstitial = CreateAd()
        
    }
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1 回答 1

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您不应从CreateAd()中返回广告，应在GADInterstitialAd.load(..)调用 completionHandler 时设置广告。

这应该是您的 createAd 函数（不返回任何内容）：

var interstitial: GADInterstitialAd?


func createAd() {
    GADInterstitialAd.load(withAdUnitID:"id ...",
                                  request: GADRequest(),
                        completionHandler: { ad, error in
                          if let error = error {
                            print("Failed to load interstitial ad with error: \(error.localizedDescription)")
                            return
                          }
                            interstitial = ad
                            interstitial?.fullScreenContentDelegate = self
                        }
      )
}

然后随时显示它，并createAd()在广告关闭后再次调用

于 2021-05-24T20:43:38.913 回答