ArcGISRuntimeXamarin.CategoriesActivity.loadJSONFromAsset C# (CSharp) Метод

        public byte[] loadJSONFromAsset()
        {
            try
            {
                using (Stream stream = Assets.Open("groups.json"))
                {
                    using (MemoryStream ms = new MemoryStream())
                    {
                        stream.CopyTo(ms);
                        return ms.ToArray();
                    }
                }
            }
            catch (Exception ex)
            {
                return null;
            }
        }