class Speakerbox implements TextToSpeech.OnInitListener {

    @Override
    public void onInit(int status) {
        if (status == TextToSpeech.SUCCESS) {
            initialized = true;
            if (playOnInit != null) {
                playInternal(playOnInit, UTTERANCE_ID_NONE);
            }
        } else {
            Log.e(TAG, "Initialization failed.");
        }
    }

    public  Speakerbox(final Application application);

}