/// <summary>
/// Generates a new recognition operation from the speech recognizer, hooks up its completion handler, and
/// updates state as needed for the duration of the recognition operation. Also checks any errors for
/// known user-actionable steps, like accepting the privacy policy before using in-app recognition.
/// </summary>
private void StartListening()
{
try
{
// Start listening to the user and set up the completion handler for when the result
this.CurrentRecognizerOperation = this.Recognizer.RecognizeAsync();
this.CurrentRecognizerOperation.Completed = recoCompletedAction;
SetSearchState(SearchState.ListeningForInput);
PlaySound("Assets/ListeningEarcon.wav");
}
catch (Exception recoException)
{
const int privacyPolicyHResult = unchecked ((int)0x80045509);
if (recoException.HResult == privacyPolicyHResult)
{
MessageBox.Show(AppResources.SpeechPrivacyPolicyError);
}
else
{
PlaySound("Assets/CancelledEarcon.wav");
Debug.WriteLine(String.Format(
AppResources.SpeechRecognitionErrorTemplate, recoException.HResult, recoException.Message));
}
recoCompletedAction.Invoke(null, AsyncStatus.Error);
}
}
private void StartListening()
{
try
{
// Start listening to the user and set up the completion handler for when the result
//*******************************************************************************************************
//this fires when you press the button to start listening
//*******************************************************************************************************
this.CurrentRecognizerOperation = this.Recognizer.RecognizeAsync();
this.CurrentRecognizerOperation.Completed = recoCompletedAction;
PlaySound("Assets/ListeningEarcon.wav");
SearchTextBox.Text = "Listening...";
EventsLst.Visibility = System.Windows.Visibility.Collapsed;
WaitBorder.Visibility = System.Windows.Visibility.Visible;
WaitImg.Visibility = System.Windows.Visibility.Visible;
WaitTxt.Visibility = System.Windows.Visibility.Visible;
WaitTxt.Text = "I await your command...";
}
catch (Exception recoException)
{
PlaySound("Assets/CancelledEarcon.wav");
MessageBox.Show("Sorry, there was a problem with the voice system: " +
recoException.Message);
recoCompletedAction.Invoke(null, AsyncStatus.Error);
}
}
