/// <summary>
/// Click event of stop button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async Task Stop_Clicked(object sender, EventArgs e)
{
isRecording = false;
try
{
if (!isRecording)
{
SwitchPlayOrStop(isRecording, true);
recorder.StopRecording();
// Request Speech REST API
speechRecognition.HttpRequest = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(
@"https://speech.platform.bing.com/speech/recognition/conversation/cognitiveservices/v1?language=en-US");
// Authenticate and get a JSON Web Token (JWT) from the token service.
//if (speechRecognition.Task == null || speechRecognition.Task.IsCompleted)
await speechRecognition.Authenticate(SPEECH_API_KEY);
// Send the request to Bing Speech API REST end point.
var displayText = "Could not detect, please try again!";
if (String.IsNullOrEmpty(recorder.WavFilePath))
{
await DisplayAlert("Message", displayText, "Cancel");
return;
}
speechRecognition.AudioFile = recorder.WavFilePath;
speechRecognition.SendRequest();
// Get response to get your transcribed text.
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(speechRecognition.GetResponse());
//Get Display Text Values
if (json.Count > 1)
{
displayText = json.Value <string>("DisplayText");
// Translate the display text
tranlation.Key = GOOGLE_TRANSLATE_API;
tranlation.Text = displayText;
tranlation.Target = "ja";
await tranlation.Translate();
// Get translated text from response
json = Newtonsoft.Json.Linq.JObject.Parse(tranlation.StringJsonReponse);
json = json.Value <Newtonsoft.Json.Linq.JObject>("data");
var translatedText = (from j in json["translations"] select(string) j["translatedText"]).First <string>().ToString();
// Get pronunciation for translated text
var pronunciation = await tranlation.CallWatsonPronunciationAPI(translatedText);
json = Newtonsoft.Json.Linq.JObject.Parse(pronunciation);
TranslatedText.Text = translatedText;
TranslatedText.Detail = json.Value <string>("pronunciation");
}
RecordedText.Text = displayText.ToString();
SwitchPlayOrStop(isRecording, false);
}
}
catch (ArgumentException ex)
{
await DisplayAlert("Error", ex.Message, "Cancel");
}
}