private async void SendRequest()
        {
            try
            {
                using (ISitecoreWebApiSession session = this.instanceSettings.GetSession())
                {
                    IDownloadMediaOptions options = new MediaOptionsBuilder()
                                                    .Set
                                                    .Width(this.width)
                                                    .Height(this.height)
                                                    .BackgroundColor("white")
                                                    .Build();

                    string path = this.MediaPathTextField.Text;

                    var request = ItemWebApiRequestBuilder.DownloadResourceRequestWithMediaPath(path)
                                  .DownloadOptions(options)
                                  .Build();


                    byte[] data = null;
                    using (Stream response = await session.DownloadMediaResourceAsync(request))
                        using (MemoryStream responseInMemory = new MemoryStream())
                        {
                            await response.CopyToAsync(responseInMemory);

                            data = responseInMemory.ToArray();
                        }

                    BeginInvokeOnMainThread(delegate
                    {
                        using (UIImage image = new UIImage(NSData.FromArray(data)))
                        {
                            // no need disposing
                            // since this.ImageView.Image creates a
                            // new C# object on each call
                            this.ImageView.Image = image;

                            // Update Overlay
                            this.HideLoader();
                        }
                    });
                }
            }
            catch (Exception e)
            {
                AlertHelper.ShowLocalizedAlertWithOkOption("Error", e.Message);
            }
            finally
            {
                BeginInvokeOnMainThread(delegate
                {
                    this.HideLoader();
                });
            }
        }
        public async Task <Byte[]> GetMediaByUrl(string mediaUrl)
        {
            try {
                mediaUrl = CleanUpMediaUrlByReplacingWeirdTildeSignWithCorrect(mediaUrl);

                using (ISitecoreWebApiSession session = await SitecoreSession)
                {
                    IMediaResourceDownloadRequest request = ItemWebApiRequestBuilder.DownloadResourceRequestWithMediaPath(mediaUrl)
                                                            .Language("en")
                                                            .Build();

                    byte[] data = null;

                    using (Stream response = await session.DownloadMediaResourceAsync(request))

                        using (MemoryStream responseInMemory = new MemoryStream())
                        {
                            await response.CopyToAsync(responseInMemory);

                            data = responseInMemory.ToArray();

                            return(data);
                        }
                }
            }
            catch (SitecoreMobileSdkException ex)
            {
                this._loggingService.Log("Error in GetMediaByUrl,  url {0} . Error: {1}", mediaUrl, ex.Message);
                throw ex;
            }
            catch (Exception ex)
            {
                this._loggingService.Log("Error in GetMediaByUrl,  url {0} . Error: {1}", mediaUrl, ex.Message);
                throw ex;
            }
        }