NativeAd(
        placementId: "3025685484414127_3025692344413441",
        adType: NativeAdType.NATIVE_BANNER_AD,
        bannerAdSize: NativeBannerAdSize.HEIGHT_100,
        width: double.infinity,
        height: MediaQuery.of(context).size.height * 0.12,
        backgroundColor: Colors.white,
        titleColor: Colors.black,
        descriptionColor: Colors.grey,
        buttonColor: Colors.blueAccent,
        buttonTitleColor: Colors.white,
        buttonBorderColor: Colors.white,
        listener: NativeAdListener(
          onError: (code, message) =>
              print('native banner ad error\ncode: $code\nmessage:$message'),
          onLoaded: () => print('native banner ad loaded'),
          onMediaDownloaded: () => 'native banner ad media downloaded',
        ),
      ),