private async void ExecuteDeletePersonGroup(string mPersonGroupId)
        {
            string result = string.Empty;

            mProgressDialog.Show();
            AddLog("Request: Delete Group " + mPersonGroupId);

            try
            {
                var faceClient = new FaceClient();
                mProgressDialog.SetMessage("Deleting selected person groups...");
                SetInfo("Deleting selected person groups...");
                await faceClient.DeletePersonGroup(mPersonGroupId);

                result = mPersonGroupId;
            }
            catch (Java.Lang.Exception e)
            {
                result = null;
                AddLog(e.Message);
            }

            RunOnUiThread(() =>
            {
                mProgressDialog.Dismiss();
                if (result != null)
                {
                    SetInfo("Person group " + result + " successfully deleted");
                    AddLog("Response: Success. Deleting Group " + result + " succeed");
                }
            });
        }