void init() async {
    var userId = await IronSource.getAdvertiserId();
    await IronSource.validateIntegration();
    await IronSource.setUserId(userId);
    await IronSource.initialize(appKey: "appKey", listener: this, 
                      gdprConsent: true, ccpaConsent: false);
    rewardeVideoAvailable = await IronSource.isRewardedVideoAvailable();
    offerwallAvailable = await IronSource.isOfferwallAvailable();
    setState(() {});
  }

    IronSource.loadInterstitial();

  void showInterstitial() async {
    if (await IronSource.isInterstitialReady()) {
      IronSource.showInterstitial();
    } else {
      print(
        "Interstial is not ready. use 'Ironsource.loadInterstial' before showing it",
      );
    }
  }

  @override
  void onInterstitialAdClicked() {
    print("onInterstitialAdClicked");
  }

  @override
  void onInterstitialAdClosed() {
    print("onInterstitialAdClosed");
  }

  @override
  void onInterstitialAdLoadFailed(IronSourceError error) {
      print("onInterstitialAdLoadFailed : ${error.toString()}");
  }

  @override
  void onInterstitialAdOpened() {
    print("onInterstitialAdOpened");
    setState(() {
      interstitialReady = false;
    });

 
  }

  @override
  void onInterstitialAdReady() {
    print("onInterstitialAdReady");
    setState(() {
      interstitialReady = true;
    });
  
  }

  @override
  void onInterstitialAdShowFailed(IronSourceError error) {

    print("onInterstitialAdShowFailed : ${error.toString()}");
    setState(() {
      interstitialReady = false;
    });
  }

  @override
  void onInterstitialAdShowSucceeded() {
    print("nInterstitialAdShowSucceeded");

  void showRewardedVideo() async {
    if (await IronSource.isRewardedVideoAvailable()) {
      IronSource.showRewardedVideol();
    } else {
      print("RewardedVideo not available");
    }
  }

  @override
  void onRewardedVideoAdClicked(Placement placement) {
   
    print("onRewardedVideoAdClicked");
  }

  @override
  void onRewardedVideoAdClosed() {
    print("onRewardedVideoAdClosed");

  }

  @override
  void onRewardedVideoAdEnded() {
    print("onRewardedVideoAdEnded");
  }

  @override
  void onRewardedVideoAdOpened() {
    print("onRewardedVideoAdOpened");

  }

  @override
  void onRewardedVideoAdRewarded(Placement placement) {

    print("onRewardedVideoAdRewarded: ${placement.placementName}");
  }
 
  @override
  void onRewardedVideoAdShowFailed(IronSourceError error) {
  
    print("onRewardedVideoAdShowFailed : ${error.toString()}");
  }

  @override
  void onRewardedVideoAdStarted() {
    print("onRewardedVideoAdStarted");
  }

  @override
  void onRewardedVideoAvailabilityChanged(bool available) {
   
    print("onRewardedVideoAvailabilityChanged : $available");
    setState(() {
      rewardeVideoAvailable = available;
    });
  }

IronSourceBannerAd(keepAlive: true, listener: BannerAdListener())

class BannerAdListener extends IronSourceBannerListener {
  @override
  void onBannerAdClicked() {
    print("onBannerAdClicked");
  }

  @override
  void onBannerAdLeftApplication() {
    print("onBannerAdLeftApplication");
  }

  @override
  void onBannerAdLoadFailed(Map<String, dynamic> error) {
    print("onBannerAdLoadFailed");

  }

  @override
  void onBannerAdLoaded() {
    print("onBannerAdLoaded");
  }

  @override
  void onBannerAdScreenDismissed() {
    print("onBannerAdScreenDismisse");
  }

  @override
  void onBannerAdScreenPresented() {
    print("onBannerAdScreenPresented");
  }
}

  void showOfferwall() async {
    if (await IronSource.isOfferwallAvailable()) {
      IronSource.showOfferwall();
    } else {
      print("Offerwall not available");
    }
  }

  @override
  void onGetOfferwallCreditsFailed(IronSourceError error) {

    print("onGetOfferwallCreditsFailed : ${error.toString()}");
  }

  @override
  void onOfferwallAdCredited(OfferwallCredit reward) {

    print("onOfferwallAdCredited : $reward");
  }

  @override
  void onOfferwallAvailable(bool available) {
    print("onOfferwallAvailable : $available");

    setState(() {
      offerwallAvailable = available;
    });
  }

  @override
  void onOfferwallClosed() {
    print("onOfferwallClosed");
  }

  @override
  void onOfferwallOpened() {
    print("onOfferwallOpened");
  }

  @override
  void onOfferwallShowFailed(IronSourceError error) {
    print("onOfferwallShowFailed ${error.toString()}");
  }