void DoConversation()
{
try
{
if (token == null)
{
//if (this.useContinuous)
//{
token = speechReconizer
.ContinuousDictation()
.Catch <string, Exception>(ex => Observable.Return(ex.ToString()))
.Subscribe(x => this.TextSpeech += " " + x);
//}
//else
//{
//token = speechReconizer
// .ListenUntilPause()
// .Subscribe(x => this.Text += " " + x);
//}
}
else
{
token.Dispose();
token = null;
this.ListenText = "";
}
}
catch (Exception ex)
{
}
}
public DictationViewModel(ISpeechRecognizer speech, IUserDialogs dialogs)
{
IDisposable token = null;
speech
.WhenListeningStatusChanged()
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x => this.ListenText = x
? "Stop Listening"
: "Start Dictation"
);
this.ToggleListen = ReactiveCommand.Create(() =>
{
if (token == null)
{
if (this.UseContinuous)
{
token = speech
.ContinuousDictation()
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(
x => this.Text += " " + x,
ex => dialogs.Alert(ex.ToString())
);
}
else
{
token = speech
.ListenUntilPause()
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(
x => this.Text = x,
ex => dialogs.Alert(ex.ToString())
);
}
}
else
{
token.Dispose();
token = null;
}
});
}
/// <summary>
/// Optimal observable for taking command (yes/no/maybe/go away/etc)
/// </summary>
/// <param name="keywords"></param>
/// <returns></returns>
public static IObservable <string> ListenForFirstKeyword(this ISpeechRecognizer speechRecognizer, params string[] keywords)
=> speechRecognizer
.ContinuousDictation()
.Select(x =>
{
var values = x.Split(' ');
foreach (var value in values)
{
foreach (var keyword in keywords)
{
if (value.Equals(keyword, StringComparison.OrdinalIgnoreCase))
{
return(value);
}
}
}
return(null);
})
.Where(x => x != null)
.Take(1);
public DictationViewModel(ISpeechRecognizer speech)
{
IDisposable token = null;
speech
.WhenListeningStatusChanged()
.Subscribe(x => this.ListenText = x
? "Stop Listening"
: "Start Dictation"
);
this.ToggleListen = new Command(async() =>
{
if (speech.Status != SpeechRecognizerStatus.Available)
{
this.ListenText = "Problem with speech recognition engine - " + speech.Status;
return;
}
var granted = await speech.RequestPermission();
if (!granted)
{
this.ListenText = "Invalid Permissions";
return;
}
if (token == null)
{
token = speech
.ContinuousDictation()
//.Catch<string, Exception>(ex => Observable.Return(ex.ToString()))
.Subscribe(x => this.Text += " " + x);
}
else
{
token.Dispose();
token = null;
}
});
}
public DictationViewModel(ISpeechRecognizer speech, IDialogs dialogs)
{
speech
.WhenListeningStatusChanged()
.SubOnMainThread(x => this.IsListening = x);
this.ToggleListen = ReactiveCommand.Create(() =>
{
if (this.IsListening)
{
this.Deactivate();
}
else
{
if (this.UseContinuous)
{
speech
.ContinuousDictation()
.SubOnMainThread(
x => this.Text += " " + x,
ex => dialogs.Alert(ex.ToString())
)
.DisposedBy(this.DeactivateWith);
}
else
{
speech
.ListenUntilPause()
.SubOnMainThread(
x => this.Text = x,
ex => dialogs.Alert(ex.ToString())
)
.DisposedBy(this.DeactivateWith);
}
}
});
}