/// <summary>
/// Gerufen durch SaveAktieCommand als 'Execute'-Methode
/// Speichert Aktiensymbol im lokalen Storage
/// </summary>
private void Save()
{
_aktienStorage.AddAktie(Symbol);
AppNavigationService.GoBack();
}
public void Remove()
{
_appContacts.Remove(EMail);
AppNavigationService.GoBack();
}
private async Task TakePhotoAsync()
{
IsBusy = true;
string recognizeText = null;
try
{
using (var stream = await mediaPicker.TakePhotoAsync())
{
if (stream != null)
{
var imageBytes = await stream.ToArrayAsync();
MessengerInstance.Send(new NotificationMessage <byte[]>(imageBytes, Constants.PhotoTaken));
Message = null;
if (await NetworkService.IsInternetAvailableAsync())
{
var result = await cognitiveClient.AnalyzeAsync(stream, Language, RecognitionType.Text);
var ocrResult = result.OcrResult;
if (ocrResult.ContainsText)
{
recognizeText = ocrResult.Text;
}
else
{
recognizeText = AppResources.UnableToRecognizeText;
}
}
else
{
// Internet isn't available, the service cannot be reached.
recognizeText = AppResources.NoConnection;
}
}
else
{
// If message is null at this point, this is the first request. If we cancel it, turns automatically to the
// previous page.
if (message == null)
{
AppNavigationService.GoBack();
}
IsBusy = false;
return;
}
}
}
catch (CognitiveException ex)
{
// Unable to access the service (message contains translated error details).
recognizeText = ex.Message;
}
catch (WebException)
{
// Internet isn't available, the service cannot be reached.
recognizeText = AppResources.NoConnection;
}
catch (Exception ex)
{
var error = AppResources.RecognitionError;
if (Settings.ShowExceptionOnError)
{
error = $"{error} ({ex.Message})";
}
recognizeText = error;
}
// Shows the result.
Message = this.GetNormalizedMessage(recognizeText);
IsBusy = false;
}
public void Update()
{
_appContacts.Update(this);
AppNavigationService.GoBack();
}
public void Save()
{
//geänderte Daten speichern
AppNavigationService.GoBack();
}
