private async Task TakePhotoClick()
{
if (!this.captureInProgress)
{
this.captureInProgress = true;
var photoBytes = await this.cameraView.TakePicture();
this.infoTitleText.Text = RatingMsgHelper.GetRecognizingRatingTitle();
this.infoDescriptionText.Text = RatingMsgHelper.GetRecognizingRatingDescription();
this.stars.Visibility = ViewStates.Visible;
this.overlay.Visibility = ViewStates.Visible;
this.takePhotoImage.Visibility = ViewStates.Invisible;
this.smilePattern.Visibility = ViewStates.Invisible;
this.infoDescriptionText.Visibility = ViewStates.Visible;
using (var memoryStream = new MemoryStream(photoBytes))
{
var emotionService = new EmotionService();
var firstFaceEmotion = default(Emotion);
try
{
var emotionList = await emotionService.RecognizeAsync(memoryStream);
firstFaceEmotion = emotionList.FirstOrDefault();
}
catch
{
await UserDialogs.Instance.AlertAsync("There was an error analyzing your photo. Please, try again.");
}
if (firstFaceEmotion != null)
{
var happiness = firstFaceEmotion.Scores.Happiness;
var textDescriptions = emotionService.GetTextsFor(happiness);
this.infoTitleText.Text = textDescriptions.Top;
this.infoDescriptionText.Text = textDescriptions.Message;
RunStarAnimation(happiness);
}
else
{
this.infoTitleText.Text = RatingMsgHelper.GetNoFaceDetectedTitle();
this.infoDescriptionText.Text = RatingMsgHelper.GetNoFaceDetectedMsg();
}
this.postButtons.Visibility = ViewStates.Visible;
this.overlay.Visibility = ViewStates.Invisible;
}
this.captureInProgress = false;
}
}
private void SetInitialState()
{
this.infoTitleText.Text = RatingMsgHelper.GetInitialRatingTitle();
this.starsView.Percentage = 0.0f;
this.stars.Visibility = ViewStates.Invisible;
this.takePhotoImage.Visibility = ViewStates.Visible;
this.postButtons.Visibility = ViewStates.Invisible;
this.smilePattern.Visibility = ViewStates.Visible;
this.infoDescriptionText.Visibility = ViewStates.Invisible;
this.overlay.Visibility = ViewStates.Invisible;
}
