loadNativeAd method

@override Future<NativeAd?> loadNativeAd({ AdOptions? options, AdRequest? request, })

获取原生广告

Implementation

@override
Future<NativeAd?> loadNativeAd({AdOptions? options, AdRequest? request}) {
  if (!AdsManager.isMobileAdsInitializeCalled) {
    LogUtils.w('$adsType: Mobile Ads not initialized, ad loading canceled');
    return Future.value(null);
  }
  final completer = Completer<NativeAd?>();
  NativeAd? nativeAd;

  void safeComplete([NativeAd? ad]) {
    if (!completer.isCompleted) {
      completer.complete(ad);
    }
  }

  void disposeAd() {
    nativeAd?.dispose();
    nativeAd = null;
  }

  nativeAd = NativeAd(
    adUnitId: adUnitId,
    request: request ?? defaultRequest,
    listener: NativeAdListener(
      onAdLoaded: (ad) {
        LogUtils.d('$adsType: Ad loaded successfully');
        safeComplete(ad as NativeAd);
      },
      onAdFailedToLoad: (ad, error) {
        LogUtils.e(
          '$adsType: Load failed | Code: ${error.code}, '
          'Message: ${error.message}',
        );
        disposeAd();
        safeComplete();
      },
      // Called when a click is recorded for a NativeAd.
      onAdClicked: (ad) {},
      // Called when an impression occurs on the ad.
      onAdImpression: (ad) {},
      // Called when an ad removes an overlay that covers the screen.
      onAdClosed: (ad) {},
      // Called when an ad opens an overlay that covers the screen.
      onAdOpened: (ad) {},
      // For iOS only. Called before dismissing a full screen view
      onAdWillDismissScreen: (ad) {},
      // Called when an ad receives revenue value.
      onPaidEvent: notifyAdRevenue,
    ),
    nativeTemplateStyle: options?.nativeStyle ?? NativeTemplateStyle(templateType: TemplateType.medium),
  )..load();
  return completer.future.timeout(kLoadTimeout, onTimeout: () {
    LogUtils.w('$adsType: Load timed out after $kLoadTimeout');
    disposeAd();
    safeComplete();
    return null;
  }).catchError((error, stackTrace) {
    LogUtils.e(
      '$adsType: Unexpected loading error',
      error: error,
      stackTrace: stackTrace,
    );
    return null;
  });
}