问在文本到语音转换结束时执行某些操作

EN

tts = new TextToSpeech(this, new TextToSpeech.OnInitListener() {

    @Override
    public void onInit(int status) {
        if (status == TextToSpeech.SUCCESS) {
            int result = tts.setLanguage(Locale.US);

            if (result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED) {
                Log.e("TTS", "This Language is not supported");
            }
            textToSpeech.setOnUtteranceProgressListener(new UtteranceProgressListener() {
                @Override
                public void onStart(String utteranceId) {
                    Log.i("TextToSpeech","On Start");
                    animation.start();
                }

                @Override
                public void onDone(String utteranceId) {
                    Log.i("TextToSpeech","On Done");
                    animation.stop();
                }

                @Override
                public void onError(String utteranceId) {

                }
            });

        } else {
            Log.e("TTS", "Initilization Failed!");
        }
    }
});

private void speak(String text){
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        tts.speak(text, TextToSpeech.QUEUE_FLUSH, null, TextToSpeech.ACTION_TTS_QUEUE_PROCESSING_COMPLETED);

    }
}