exemplo_googleads_intersticial.dart

InterstitialAd? _interstitialAd;

void _createInterstitialAd() {
    InterstitialAd.load(
        adUnitId: Constants.ADMOB_TEST_INTERSTITIAL_ID,
        request: const AdRequest(),
        adLoadCallback: InterstitialAdLoadCallback(
          onAdLoaded: (InterstitialAd ad) {
            print('$ad carregado');
            _interstitialAd = ad;
          },
          onAdFailedToLoad: (LoadAdError error) {
            print('InterstitialAd falhou ao carregar $error.');
            _interstitialAd = null;
            _createInterstitialAd();
          },
        ));
  }

  void _showInterstitialAd() {
    if (_interstitialAd == null) {
      print('Aviso: tentou mostrar o intersticial antes de ser carregado.');
      return;
    }
    _interstitialAd!.fullScreenContentCallback = FullScreenContentCallback(
      onAdShowedFullScreenContent: (InterstitialAd ad) =>
          print('ad onAdShowedFullScreenContent.'),
      onAdDismissedFullScreenContent: (InterstitialAd ad) {
        print('$ad onAdDismissedFullScreenContent.');
        ad.dispose();
        _createInterstitialAd();
      },
      onAdFailedToShowFullScreenContent: (InterstitialAd ad, AdError error) {
        print('$ad onAdFailedToShowFullScreenContent: $error');
        ad.dispose();
        _createInterstitialAd();
      },
    );
    _interstitialAd!.show();
    _interstitialAd = null;
  }