/// <summary>
        /// Add keypoints to imageView
        /// </summary>
        private void ProcessSuccess(IList <MLHandKeypoints> results)
        {
            mGraphicOverlay.Clear();
            HandKeypointGraphic handGraphic = new HandKeypointGraphic(mGraphicOverlay, results);

            mGraphicOverlay.Add(handGraphic);
        }
        public void TransactResult(MLAnalyzer.Result result)
        {
            this.mGraphicOverlay.Clear();

            SparseArray            handKeypointsSparseArray = result.AnalyseList;
            List <MLHandKeypoints> list = new List <MLHandKeypoints>();

            for (int i = 0; i < handKeypointsSparseArray.Size(); i++)
            {
                list.Add((MLHandKeypoints)handKeypointsSparseArray.ValueAt(i));
            }
            HandKeypointGraphic graphic = new HandKeypointGraphic(this.mGraphicOverlay, list);

            this.mGraphicOverlay.Add(graphic);
        }