AndroidApp.MainActivity.OnActivityResult C# (CSharp) Method

        protected override async void OnActivityResult(int requestCode, Result resultCode, Intent data)
        {
            base.OnActivityResult(requestCode, resultCode, data);

            try
            {
                //Get the bitmap with the right rotation
                _bitmap = BitmapHelpers.GetAndRotateBitmap(_file.Path);

                //Resize the picture to be under 4MB (Emotion API limitation and better for Android memory)
                _bitmap = Bitmap.CreateScaledBitmap(_bitmap, 2000, (int)(2000*_bitmap.Height/_bitmap.Width), false);

                //Display the image
                _imageView.SetImageBitmap(_bitmap);
                
                using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
                {
                    //Get a stream
                    _bitmap.Compress(Bitmap.CompressFormat.Jpeg, 90, stream);
                    stream.Seek(0, System.IO.SeekOrigin.Begin);

                    //Get and display the happiness score
                    float result = await Core.GetAverageHappinessScore(stream);
                    _resultTextView.Text = Core.GetHappinessMessage(result);
                }
            }
            catch (Exception ex)
            {
                _resultTextView.Text = ex.Message;
            }
            finally
            {
                _pictureButton.Text = "Reset";
                _isCaptureMode = false;
            }
        }
    }