public void ShowRewardedVideo()
{
if (!CrossAdMob.Current.IsEnabled)
{
return;
}
if (_rewardedAd.IsReady)
{
var window = UIApplication.SharedApplication.KeyWindow;
var vc = window.RootViewController;
while (vc.PresentedViewController != null)
{
vc = vc.PresentedViewController;
}
_rewardedAd.Present(vc, this);
}
}