public static void showCenterToast(Android.Content.Context ctx, string text, Android.Widget.ToastLength duration)
{
Android.App.Activity act = (Android.App.Activity)ctx;
act.RunOnUiThread(() => {
Android.Widget.Toast toast = Android.Widget.Toast.MakeText(ctx, text, duration);
toast.SetGravity(Android.Views.GravityFlags.Center, 0, 0);
toast.Show();
});
}
void setDialogMessage(string message, Android.Widget.ToastLength toastLength)
{
_progressDialog.SetMessage(message);
}