I am getting the exception as:
Android.Content.ActivityNotFoundException: No Activity found to handle Intent.
var video = Android.Net.Uri.Parse(@"android.resource://" +
Forms.Context.PackageName + "/Raw/" + Resource.Raw.sampleVideo);
Intent intent = new Intent(Intent.ActionView, video);
intent.SetDataAndType(video,"video/*");
Forms.Context.StartActivity(intent);