private async void SaveMeme(object sender, EventArgs e)
{
ShowActivityIndicator();
if (IsAdd)
{
MemeCaptions newMeme = new MemeCaptions();
newMeme.UpperCaption = upperCaptionEditor.Text;
newMeme.LowerCaption = lowerCaptionEditor.Text;
newMeme.computeFullCaption();
newMeme.NeutralVal = neutralSlider.Value;
newMeme.SadnessVal = sadnessSlider.Value;
newMeme.HappinessVal = happinessSlider.Value;
newMeme.DisgustVal = disgustSlider.Value;
newMeme.ContemptVal = contemptSlider.Value;
newMeme.AngerVal = angerSlider.Value;
newMeme.FearVal = fearSlider.Value;
newMeme.SurpriseVal = surpriseSlider.Value;
MemeList.Items.Add(newMeme);
await AzureManager.AzureManagerInstance.CreateNewMeme(newMeme);
}
else
{
CurrentlyEditingMeme.UpperCaption = upperCaptionEditor.Text;
CurrentlyEditingMeme.LowerCaption = lowerCaptionEditor.Text;
CurrentlyEditingMeme.computeFullCaption();
CurrentlyEditingMeme.NeutralVal = neutralSlider.Value;
CurrentlyEditingMeme.SadnessVal = sadnessSlider.Value;
CurrentlyEditingMeme.HappinessVal = happinessSlider.Value;
CurrentlyEditingMeme.DisgustVal = disgustSlider.Value;
CurrentlyEditingMeme.ContemptVal = contemptSlider.Value;
CurrentlyEditingMeme.AngerVal = angerSlider.Value;
CurrentlyEditingMeme.FearVal = fearSlider.Value;
CurrentlyEditingMeme.SurpriseVal = surpriseSlider.Value;
await AzureManager.AzureManagerInstance.UpdateMeme(CurrentlyEditingMeme);
}
await Navigation.PopAsync();
}
public MemeEdit(MemeCaptions meme, bool isAdd, MemeListViewModel memeList)
{
InitializeComponent();
NavigationPage.SetHasNavigationBar(this, false);
IsAdd = isAdd;
MemeList = memeList;
if (isAdd)
{
// this is work around for slider bug in Xamarin, valueChanged not firing on first time tap
neutralSlider.Value = 0.01;
happinessSlider.Value = 0.01;
sadnessSlider.Value = 0.01;
angerSlider.Value = 0.01;
fearSlider.Value = 0.01;
contemptSlider.Value = 0.01;
disgustSlider.Value = 0.01;
surpriseSlider.Value = 0.01;
}
else
{
CurrentlyEditingMeme = meme;
lowerCaptionEditor.Text = meme.LowerCaption;
upperCaptionEditor.Text = meme.UpperCaption;
neutralSlider.Value = meme.NeutralVal;
happinessSlider.Value = meme.HappinessVal;
sadnessSlider.Value = meme.SadnessVal;
angerSlider.Value = meme.AngerVal;
fearSlider.Value = meme.FearVal;
contemptSlider.Value = meme.ContemptVal;
disgustSlider.Value = meme.DisgustVal;
surpriseSlider.Value = meme.SurpriseVal;
// this is work around for slider bug in Xamarin, valueChanged not firing on first time tap
if (neutralSlider.Value == 0)
{
neutralSlider.Value = 0.01;
}
if (happinessSlider.Value == 0)
{
happinessSlider.Value = 0.01;
}
if (sadnessSlider.Value == 0)
{
sadnessSlider.Value = 0.01;
}
if (angerSlider.Value == 0)
{
angerSlider.Value = 0.01;
}
if (fearSlider.Value == 0)
{
fearSlider.Value = 0.01;
}
if (contemptSlider.Value == 0)
{
contemptSlider.Value = 0.01;
}
if (disgustSlider.Value == 0)
{
disgustSlider.Value = 0.01;
}
if (surpriseSlider.Value == 0)
{
surpriseSlider.Value = 0.01;
}
deleteButton.IsEnabled = true;
}
}
public async Task DeleteMeme(MemeCaptions meme)
{
await this.CaptionTable.DeleteAsync(meme);
}
public async Task UpdateMeme(MemeCaptions meme)
{
await this.CaptionTable.UpdateAsync(meme);
}
public async Task CreateNewMeme(MemeCaptions meme)
{
await this.CaptionTable.InsertAsync(meme);
}
async Task MatchPhotoToMeme(MediaFile file)
{
var client = new HttpClient();
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "215a704d96294185a8392d0928df1f67");
string uri = "https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize?";
HttpResponseMessage response;
byte[] byteData = GetImageAsByteArray(file);
List <EmotionModel> emotionModels = null;
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
response = await client.PostAsync(uri, content);
if (response.IsSuccessStatusCode)
{
var responseString = await response.Content.ReadAsStringAsync();
emotionModels = JsonConvert.DeserializeObject <List <EmotionModel> >(responseString);
}
}
if (emotionModels == null)
{
await DisplayAlert("Connection Error", "Unable to analyse photo", "OK");
return;
}
else if (emotionModels.Count < 1)
{
AttachMeme("THIS IMAGE", "IS NOT EVEN WORTH MEMEFYING");
}
else
{
if (emotionModels.Count > 1)
{
await DisplayAlert("Hey", "Memefy currently works best with only one face in the photo :)", "OK");
}
List <MemeCaptions> memeList = await AzureManager.AzureManagerInstance.GetCaptionList();
double minEmotionDifference = Double.MaxValue;
double emotionDifference;
MemeCaptions bestMeme = null;
foreach (MemeCaptions meme in memeList)
{
emotionDifference = 0;
emotionDifference += Math.Abs(meme.AngerVal - emotionModels[0].Scores.Anger);
emotionDifference += Math.Abs(meme.NeutralVal - emotionModels[0].Scores.Neutral);
emotionDifference += Math.Abs(meme.HappinessVal - emotionModels[0].Scores.Happiness);
emotionDifference += Math.Abs(meme.SadnessVal - emotionModels[0].Scores.Sadness);
emotionDifference += Math.Abs(meme.ContemptVal - emotionModels[0].Scores.Contempt);
emotionDifference += Math.Abs(meme.FearVal - emotionModels[0].Scores.Fear);
emotionDifference += Math.Abs(meme.DisgustVal - emotionModels[0].Scores.Disgust);
emotionDifference += Math.Abs(meme.SurpriseVal - emotionModels[0].Scores.Surprise);
if (emotionDifference < minEmotionDifference)
{
minEmotionDifference = emotionDifference;
bestMeme = meme;
}
}
if (bestMeme == null)
{
await DisplayAlert("No memes found", "No memes found", "OK");
return;
}
else
{
AttachMeme(bestMeme.UpperCaption, bestMeme.LowerCaption);
}
}
}