public override void OnError(string utteranceId)
{
SpeechInProgress.TrySetResult(false);
Log.For(typeof(Speech)).Error($"Error in text-to-speech engine when listening to progress. [{utteranceId}]");
}
static async Task DoSpeak(string text, Settings settings)
{
Synthesizer.Voice = settings.SelectVoice();
Synthesizer.Options.SpeakingRate = GetNormalizedSpeed(settings.Speed);
var handler = new TypedEventHandler <MediaPlayer, object>((sender, args) => SpeechInProgress?.TrySetResult(true));
Player.MediaEnded += handler;
var stream = (await Synthesizer.SynthesizeTextToStreamAsync(text));
Player.SetStreamSource(stream);
Player.Play();
await SpeechInProgress.Task;
Player.MediaEnded -= handler;
}
public override void OnDone(string utteranceId) => SpeechInProgress.TrySetResult(true);
static void OnFinishedSpeechUtterance(object sender, AVSpeechSynthesizerUteranceEventArgs args)
{
SpeechInProgress?.TrySetResult(false);
}