I'm implementing an Interactive Voice Response application on Android. I would like to know how to determine when the tts.speak()
function has done talking so I can call my speech recognizer function.
public class TTSActivity extends Activity implements OnInitListener, OnUtteranceCompletedListener, ... {
private TextToSpeech mTts;
...........
private void speak(String text) {
if(text != null) {
HashMap<String, String> myHashAlarm = new HashMap<String, String>();
myHashAlarm.put(TextToSpeech.Engine.KEY_PARAM_STREAM, String.valueOf(AudioManager.STREAM_ALARM));
myHashAlarm.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, "SOME MESSAGE");
mTts.speak(text, TextToSpeech.QUEUE_FLUSH, myHashAlarm);
}
}
// Fired after TTS initialization
public void onInit(int status) {
if(status == TextToSpeech.SUCCESS) {
mTts.setOnUtteranceCompletedListener(this);
}
}
// It's callback
public void onUtteranceCompleted(String utteranceId) {
Log.i(TAG, utteranceId); //utteranceId == "SOME MESSAGE"
}
...........
}
Read A good tutorial