android 文本转语音

参考： https://blog.csdn.net/shendan00/article/details/43525437#commentBox

https://www.jianshu.com/p/0cf01f089660

https://developer.android.google.cn/reerence/android/speech/tts/TextToSpeech

public class MyTTS extends UtteranceProgressListener implements TextToSpeech.OnInitListener {    private static final String TAG = MyTTS.class.getSimpleName();    private static MyTTS mInstance;    public static MyTTS getInstance() {        if (mInstance == null) {            synchronized (MyTTS.class) {                if (mInstance == null) {                    mInstance = new MyTTS();                }            }        }        return mInstance;    }    private MyTTS() {        super();    }    private TextToSpeech mTextToSpeech;    public void init(Context context) {        mTextToSpeech = new TextToSpeech(context, this);        mTextToSpeech.setOnUtteranceProgressListener(this);    }    public void speak(String text) {        if (mTextToSpeech != null)            mTextToSpeech.speak(text, TextToSpeech.QUEUE_FLUSH, null, TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID);    }    public void release() {        if (mTextToSpeech != null) {            mTextToSpeech.shutdown();        }    }    @Override    public void onInit(int status) {        if (status == TextToSpeech.SUCCESS && mTextToSpeech != null) {            int result = mTextToSpeech.setLanguage(Locale.ENGLISH);            if (result == TextToSpeech.LANG_MISSING_DATA                    || result == TextToSpeech.LANG_NOT_SUPPORTED                    || result == TextToSpeech.ERROR) {                Log.d(TAG, "onInit 数据丢失或语言不支持");            }            if (result == TextToSpeech.LANG_AVAILABLE) {                Log.d(TAG, "onInit 支持该语言");            }            Log.d(TAG, "onInit ok");        }    }    @Override    public void onStart(String utteranceId) {        Log.d(TAG, "onStart " + utteranceId);    }    @Override    public void onDone(String utteranceId) {        Log.d(TAG, "onDone " + utteranceId);    }    @Override    public void onError(String utteranceId) {        Log.d(TAG, "onError " + utteranceId);    }}

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