public void OnRewarded2Btn_Clicked()
 {
     if (rewardedAd2 != null && rewardedAd2.IsReady())
     {
         rewardedAd2.Show();
     }
 }
 public void OnRewarded1Btn_Clicked()
 {
     if (rewardedAd1 != null && rewardedAd1.IsReady())
     {
         rewardedAd1.Show();
     }
 }