private async Task SayPromptAsync(AdaptiveSpeechPrompt prompt)
{
await SayTextAsync(prompt.GetTextToSay());
if (prompt.Choices.Any())
{
var choices = prompt.GetSpeechChoices();
var speechRecognizer = new SpeechRecognizer();
speechRecognizer.Constraints.Add(new SpeechRecognitionListConstraint(choices));
await speechRecognizer.CompileConstraintsAsync();
var results = await speechRecognizer.RecognizeWithUIAsync();
var selectedChoice = results.Text;
int index = choices.ToList().IndexOf(selectedChoice);
await Task.Delay(500); // Delay some time so the speaking doesn't get cut off
if (index == -1)
{
await SayTextAsync("I'm sorry, I didn't understand that.");
return;
}
if (index >= prompt.Choices.Count)
{
// "I'm done"
return;
}
var choice = prompt.Choices[index];
if (choice.FollowUpPrompts.Any())
{
await SayPromptsAsync(choice.FollowUpPrompts);
}
else
{
await SayTextAsync("Excellent, we're done!");
}
}
}
private AdaptiveSpeechPrompt GetCurrentSpeechPrompt()
{
var prompt = new AdaptiveSpeechPrompt();
if (Title != null)
{
prompt.Statements.Add(Title);
}
if (Subtitle != null)
{
prompt.Statements.Add(Subtitle);
}
var actions = GetSimplifiedActions().ToArray();
if (actions.Any())
{
prompt.Choices = actions.Select(i => i.CreateSpeechChoice()).ToList();
}
return(prompt);
}
