広告の読み込みが失敗すると、NSError
オブジェクトを提供する デリゲート メソッドまたは完了ハンドラ が常に呼び出されます。
a GADBannerView
については、以下が呼び出されます。
Swift
func bannerView(_ bannerView: GADBannerView, didFailToReceiveAdWithError error: Error)
Objective-C
- (void)bannerView:(nonnull GADBannerView *)bannerView didFailToReceiveAdWithError:(nonnull NSError *)error;
広告の読み込みに失敗したときに利用できる情報を表示するコード スニペットを以下に示します。
Swift
func bannerView(_ bannerView: GADBannerView, didFailToReceiveAdWithError error: Error) { // Gets the domain from which the error came. let errorDomain = error.domain // Gets the error code. See // https://developers.google.com/admob/ios/api/reference/Enums/GADErrorCode // for a list of possible codes. let errorCode = error.code // Gets an error message. // For example "Account not approved yet". See // https://support.google.com/admob/answer/9905175 for explanations of // common errors. let errorMessage = error.localizedDescription // Gets additional response information about the request. See // https://developers.google.com/admob/ios/response-info for more information. let responseInfo = (error as NSError).userInfo[GADErrorUserInfoKeyResponseInfo] as? GADResponseInfo // Gets the underlyingError, if available. let underlyingError = (error as NSError).userInfo[NSUnderlyingErrorKey] as? Error if let responseInfo = responseInfo { print("Received error with domain: \(errorDomain), code: \(errorCode)," + "message: \(errorMessage), responseInfo: \(responseInfo)," + "underlyingError: \(underlyingError?.localizedDescription ?? "nil")") } }
Objective-C
- (void)bannerView:(GADBannerView *)bannerView didFailToReceiveAdWithError:(NSError *)error { // Gets the domain from which the error came. NSString *errorDomain = error.domain; // Gets the error code. See // https://developers.google.com/admob/ios/api/reference/Enums/GADErrorCode // for a list of possible codes. int errorCode = error.code; // Gets an error message. // For example "Account not approved yet". See // https://support.google.com/admob/answer/9905175 for explanations of // common errors. NSString *errorMessage = error.localizedDescription; // Gets additional response information about the request. See // https://developers.google.com/admob/ios/response-info for more // information. GADResponseInfo *responseInfo = error.userInfo[GADErrorUserInfoKeyResponseInfo]; // Gets the underlyingError, if available. NSError *underlyingError = error.userInfo[NSUnderlyingErrorKey]; NSLog(@"Received error with domain: %@, code: %ld, message: %@, " @"responseInfo: %@, underlyingError: %@", errorDomain, errorCode, errorMessage, responseInfo, underlyingError.localizedDescription); }
この情報により、広告の読み込みに失敗した原因をより正確に特定できます。
特に、ドメイン GADErrorDomain
が表示されるエラーについては、こちらのヘルプセンターの記事で localizedDescription
を検索して、問題を解決するためのより詳しい説明と対処方法をご確認ください。