TextToSpeech语音播放

 protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        edit = (EditText) findViewById(R.id.edit);
        speak = (Button) findViewById(R.id.speak);

        speak.setOnClickListener(this);

        Intent checkIntent = new Intent();
        checkIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
        startActivityForResult(checkIntent, ActivityResult_CODE);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
//        super.onActivityResult(requestCode, resultCode, data);

        if (ActivityResult_CODE == requestCode){
            if (resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS){
                Log.e(TAG, " android集成tts: "+resultCode );
                ttsRead();

            }else {
                //系统没有自带，网上下载
                Log.e(TAG, " android没有集成tts: "+resultCode );
                Intent installIntent = new Intent();
                installIntent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
                startActivity(installIntent);
            }
        }
    }

    private void ttsRead() {
        isRead = true;
        tts = new TextToSpeech(this, this);
        //设置语言，当没有时，会自动下载
        tts.setLanguage(Locale.CHINA);
//        tts.isLanguageAvailable(Locale.CHINA);
        //设置音调0.3以下感觉是机器人语音
        tts.setPitch(1.0f);
        //设置语速
//        tts.setSpeechRate(0.5f);

    }

    @Override
    public void onInit(int status) {
        Log.e(TAG, "onInit: "+status );
        if (status == TextToSpeech.SUCCESS){
            Log.e(TAG, "onInit: 有数据" );

        }else {
            Log.e(TAG, "onInit: 数据丢失、、" );
        }

    }

    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.speak:
                if (isRead){
                    Log.e(TAG, "onClick: "+isRead );
                    String msg = edit.getText().toString().trim();
                    if (msg == null || msg.length() == 0){

                        tts.speak(myText,TextToSpeech.QUEUE_FLUSH,null);
                    }else {
                        tts.speak(msg,TextToSpeech.QUEUE_FLUSH,null);

                    }
                    Log.e(TAG, "onClick: "+ tts.isSpeaking());

                }else {
                    Log.e(TAG, "onClick: "+"系统没有自带TextToSpeech" );
                }
                break;

        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (null != tts){
            tts.stop();
            tts.shutdown();
            tts = null;
        }

    }

//好像回调不了
tts.setOnUtteranceProgressListener(new UtteranceProgressListener() {
    @Override
    public void onStart(String utteranceId) {
        
    }

    @Override
    public void onDone(String utteranceId) {

    }

    @Override
    public void onError(String utteranceId) {

    }
});