public async Task <string> AskNameAsync()
{
using (var sttService = new SttService())
{
bool repeat;
string name;
do
{
// --> 1 : Asking the name
await TtsService.SayAsync(SpeechDictionnary.GetAskNameSentence());
await sttService.AddConstraintAsync(ConstraintsDictionnary.GetConstraintForName());
var result = await RecognitionWithFallBack(sttService);
name = result.Text;
// Clean up stt service to clean constraints of prévious recognitions
await sttService.CleanConstraintsAsync();
// --> 3 : Asking confirmation for the name
await sttService.AddConstraintAsync(ConstraintsDictionnary.ConstraintForYes, false);
await sttService.AddConstraintAsync(ConstraintsDictionnary.ConstraintForNo, false);
await sttService.AddConstraintAsync(ConstraintsDictionnary.ConstraintForAbortWords);
await TtsService.SayAsync(SpeechDictionnary.GetYesOrNoSentence(result.Text));
result = await RecognitionWithFallBack(sttService);
var firedConstraint = (SpeechRecognitionListConstraint)result.Constraint;
switch (firedConstraint.Tag)
{
case "constraint_yes":
repeat = false;
break;
case "constraint_abord_words":
name = null;
repeat = false;
break;
default:
repeat = true;
break;
}
await sttService.CleanConstraintsAsync();
} while (repeat);
return(name);
}
}
