public void SetAdmobBanner()
        {
            var admob    = FindViewById <LinearLayout> (Resource.Id.adView);
            var bannerAd = AdWrapper.ConstructStandardBanner(this, AdSize.Banner, Resources.GetString(Resource.String.admob_banner));

            bannerAd.CustomBuild();
            admob.AddView(bannerAd);
        }
        public void SetAdmobInterstitial()
        {
            var fullAd      = AdWrapper.ConstructFullPageAdd(this, Resources.GetString(Resource.String.admob_interstitial));
            var intListener = new AdEventListener();

            intListener.AdLoaded += () => { if (fullAd.IsLoaded)
                                            {
                                                fullAd.Show();
                                            }
            };
            fullAd.AdListener = intListener;
            fullAd.CustomBuild();
        }