広告読み込みエラー
コレクションでコンテンツを整理
必要に応じて、コンテンツの保存と分類を行います。
広告の読み込みに失敗した場合は、デリゲート メソッドまたは完了ハンドラが呼び出され、NSError
オブジェクトが提供されます。
GADBannerView
では以下が呼び出されます。
次の例は、広告の読み込みに失敗したときに取得できる情報を示しています。
Swift
func bannerView(_ bannerView: BannerView, 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? ResponseInfo
// 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);
}
ドメイン
GADErrorDomain
のエラーについては、
オンボーディングに関する一般的な問題を解決する記事の中で該当する
localizedDescription
を調べることで、詳細な説明と問題解決に向けた対処方法を確認できます。
特に記載のない限り、このページのコンテンツはクリエイティブ・コモンズの表示 4.0 ライセンスにより使用許諾されます。コードサンプルは Apache 2.0 ライセンスにより使用許諾されます。詳しくは、Google Developers サイトのポリシーをご覧ください。Java は Oracle および関連会社の登録商標です。
最終更新日 2025-09-02 UTC。
[null,null,["最終更新日 2025-09-02 UTC。"],[[["\u003cp\u003eWhen an ad fails to load, a delegate method or completion handler is called, providing an \u003ccode\u003eNSError\u003c/code\u003e object with details about the failure.\u003c/p\u003e\n"],["\u003cp\u003eFor \u003ccode\u003eGADBannerView\u003c/code\u003e, the \u003ccode\u003ebannerView(_:didFailToReceiveAdWithError:)\u003c/code\u003e method is called when an ad fails to load.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eNSError\u003c/code\u003e object contains information like error domain, code, message, response info, and underlying error, which can be used for debugging.\u003c/p\u003e\n"],["\u003cp\u003eFor errors in the \u003ccode\u003eGADErrorDomain\u003c/code\u003e, the \u003ccode\u003elocalizedDescription\u003c/code\u003e can be cross-referenced with the AdMob help center article (linked in the content) for troubleshooting.\u003c/p\u003e\n"]]],["When an ad fails to load, a delegate method or completion handler provides an `NSError` object. This object reveals the error's domain, code, and a descriptive message. It also includes optional response information and an underlying error. The `GADBannerView`'s `bannerView:didFailToReceiveAdWithError:` method is triggered upon failure. Developers can access and log details from the error object to understand and potentially resolve the ad loading issue, consulting additional resources for further information on error codes.\n"],null,["Select platform: [Android](/admob/android/ad-load-errors \"View this page for the Android platform docs.\") [iOS](/admob/ios/ad-load-errors \"View this page for the iOS platform docs.\") [Unity](/admob/unity/ad-load-errors \"View this page for the Unity platform docs.\") [Flutter](/admob/flutter/ad-load-errors \"View this page for the Flutter platform docs.\")\n\n\u003cbr /\u003e\n\nIn cases where an ad fails to load, a\ndelegate method or completion handler\nis called which provides a `NSError` object.\n\nFor `GADBannerView`, the following is called: \n\nSwift \n\n func bannerView(_ bannerView: BannerView, /admob/ios/api/reference/Protocols/GADBannerViewDelegate#-adview:didfailtoreceiveadwitherror: error: Error)\n\nObjective-C \n\n - (void)bannerView:(nonnull GADBannerView *)bannerView\n /admob/ios/api/reference/Protocols/GADBannerViewDelegate#-adview:didfailtoreceiveadwitherror:error;\n\nThe following example shows the information available when an ad fails to load: \n\nSwift \n\n func bannerView(_ bannerView: BannerView, didFailToReceiveAdWithError error: Error) {\n // Gets the domain from which the error came.\n let errorDomain = error.domain\n // Gets the error code. See\n // https://developers.google.com/admob/ios/api/reference/Enums/GADErrorCode\n // for a list of possible codes.\n let errorCode = error.code\n // Gets an error message.\n // For example \"Account not approved yet\". See\n // https://support.google.com/admob/answer/9905175 for explanations of\n // common errors.\n let errorMessage = error.localizedDescription\n // Gets additional response information about the request. See\n // https://developers.google.com/admob/ios/response-info for more information.\n let responseInfo = (error as NSError).userInfo[GADErrorUserInfoKeyResponseInfo] as? ResponseInfo\n // Gets the underlyingError, if available.\n let underlyingError = (error as NSError).userInfo[NSUnderlyingErrorKey] as? Error\n if let responseInfo = responseInfo {\n print(\"Received error with domain: \\(errorDomain), code: \\(errorCode),\"\n + \"message: \\(errorMessage), responseInfo: \\(responseInfo),\"\n + \"underlyingError: \\(underlyingError?.localizedDescription ?? \"nil\")\")\n }\n }\n\nObjective-C \n\n - (void)bannerView:(GADBannerView *)bannerView\n didFailToReceiveAdWithError:(NSError *)error {\n // Gets the domain from which the error came.\n NSString *errorDomain = error.domain;\n // Gets the error code. See\n // https://developers.google.com/admob/ios/api/reference/Enums/GADErrorCode\n // for a list of possible codes.\n int errorCode = error.code;\n // Gets an error message.\n // For example \"Account not approved yet\". See\n // https://support.google.com/admob/answer/9905175 for explanations of\n // common errors.\n NSString *errorMessage = error.localizedDescription;\n // Gets additional response information about the request. See\n // https://developers.google.com/admob/ios/response-info for more\n // information.\n GADResponseInfo *responseInfo = error.userInfo[GADErrorUserInfoKeyResponseInfo];\n // Gets the underlyingError, if available.\n NSError *underlyingError = error.userInfo[NSUnderlyingErrorKey];\n NSLog(@\"Received error with domain: %@, code: %ld, message: %@, \"\n @\"responseInfo: %@, underlyingError: %@\",\n errorDomain, errorCode, errorMessage, responseInfo,\n underlyingError.localizedDescription);\n }\n\nFor errors under the domain `GADErrorDomain`, the `localizedDescription` can be looked up in the [Resolve common onboarding issues article](//support.google.com/admob/answer/9905175) for a more detailed explanation and possible actions that can be taken to resolve the issue."]]