Xamarin - GetStreamAsync method - get image source from url sample

   Stream stream = await GetStreamAsync("https://images.com/img1.jpg");

 image.Source = ImageSource.FromStream(() => stream);

async Task<Stream> GetStreamAsync(string uri)
        {
            TaskFactory factory = new TaskFactory();
            WebRequest request = WebRequest.Create(uri);
            WebResponse response = await factory.FromAsync<WebResponse>(request.BeginGetResponse,
                                                                        request.EndGetResponse,
                                                                        null);
            return response.GetResponseStream();
        }