public override Dialog OnCreateDialog(Bundle savedInstanceState)
{
_fingerprintAuthenticator = new FingerprintAuthenticator(Activity, this);
View v = Activity.LayoutInflater.Inflate(Resource.Layout.fingerprintdialog, null);
_fingerprintStatus = v.FindViewById <TextView>(Resource.Id.fingerprint_status);
_imgFingerprintStatus = v.FindViewById <ImageView>(Resource.Id.img_fingerprint_status);
var dialog = new AlertDialog.Builder(Activity)
.SetCancelable(false)
.SetTitle("Sign in")
.SetNegativeButton("Cancel", (sender, e) => Dismiss())
.SetView(v)
.Create();
dialog.SetCanceledOnTouchOutside(false);
return(dialog);
}