我正在 Android 上实现交互式语音响应应用程序。我想知道如何确定何时tts.speak()函数已完成通话，因此我可以调用我的语音识别器函数。
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 一个很好的教程 http://android-developers.blogspot.com/2009/09/introduction-to-text-to-speech-in.html
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