我有一个 Vuzix m300(更新 1.2)，我正在尝试让我的应用程序通过语音控制运行。我真的找不到任何特定于 m300 的代码示例(我认为是因为它是新的？)。内置的语音识别器工作正常。但是当我尝试通过 android.speech.SpeechRecognizer 使用它时，我发现识别不可用...

我已经尝试了一些我在 Internet 上找到的代码，尽管有些代码应该可以在 m100 上运行。对我没有任何作用。

这是我的代码:

protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //grant access to internet
        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy);
        //set layout
        setContentView(R.layout.activity_main);    
        boolean b = SpeechRecognizer.isRecognitionAvailable(getApplicationContext());
        final List<ResolveInfo> services = getApplicationContext().getPackageManager().queryIntentServices(
                new Intent(RecognitionService.SERVICE_INTERFACE), 0);
        b = isPackageInstalled(this.getApplicationContext(), "com.google.android.googlequicksearchbox");
    }
    public static boolean isPackageInstalled(@NonNull final Context ctx, @NonNull final String packageName) {
        try {
            ctx.getApplicationContext().getPackageManager().getApplicationInfo(packageName, 0);
            return true;
        } catch (final PackageManager.NameNotFoundException e) {
            return false;
        }

b 始终为假，列表服务为空... 因此我认为 Vuzix 上没有安装 SpeechRecongnizer，但是有(Vuzix 内置的？)。 我愿意接受任何建议!

编辑: 我已经安装了 Google Now App 和 Google App，现在我可以启动 SpeechRecognizer。但出于某种原因，该应用程序不会对我的声音使用react。一段时间后，我得到一个 SpeechRecognizer ERROR_SPEECH_TIMEOUT。 同一个应用程序在我的 Android 手机上运行良好，所以我认为它与 Vuzix M300 有关？ 我在 onCreate 中的代码:

speechRecognizer = SpeechRecognizer.createSpeechRecognizer(this);
    speechRecognizerIntent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, getApplication().getPackageName());
    speechRecognizerIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, "de-DE");
    speechRecognizer.setRecognitionListener(prepareRegnitionListener());
    speechRecognizer.startListening(speechRecognizerIntent);

及其他:

private RecognitionListener prepareRegnitionListener() {
    // TODO Auto-generated method stub
    return new RecognitionListener() {

        @Override
        public void onRmsChanged(float rmsdB) {
            //Didn´t use
        }

        @Override
        public void onResults(Bundle results) {
            ArrayList<String> matches = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
            Log.d(MainActivity,"Completed speech recognition: Result: " + matches);
            String match = matches.get(0);
        }

        @Override
        public void onReadyForSpeech(Bundle params) {
            Log.d(MainActivity, "ReadyforSpeech");
        }

        @Override
        public void onPartialResults(Bundle partialResults) {
            // Nothing

        }

        @Override
        public void onEvent(int eventType, Bundle params) {
            // Nothing

        }

        @Override
        public void onError(int error) {
            switch (error){
                case SpeechRecognizer.ERROR_AUDIO:
                    Log.e(MainActivity,"Failed to recognize speech: Audio recording error.");
                    startListening(1000);
                    break;
                case SpeechRecognizer.ERROR_CLIENT:
                    Log.e(MainActivity,"Failed to recognize speech: Insufficient permissions.");
                    startListening(1000);
                    break;
                case SpeechRecognizer.ERROR_NO_MATCH:

                    Log.d(MainActivity,"Failed to recognize speech: No recognition results matched. Retrying...");
                    startListening(1000);
                    break;
                default:
                    Log.e(MainActivity,"Failed to recognize speech. Unknown error" + error);
                    startListening(1000);

            }


        }

        @Override
        public void onEndOfSpeech() {
            Log.d(MainActivity, "EndofSpeech");
        }

        @Override
        public void onBufferReceived(byte[] buffer) {
            //Didn´t use

        }

        @Override
        public void onBeginningOfSpeech() {
            Log.d(MainActivity, "beginnofSpeech");//Do something when speaking starts
        }
    };
}

调用了 onReadyforSpeech 方法，但此后没有任何反应，而是抛出了错误。

最佳答案

我不熟悉 vuzix Android 版本，但显然它没有您需要的 Google 软件包。我也遇到了这个问题，我已经通过下载并安装 Google App 和 Google Now App 的 apk 解决了这个问题。

你可以在这里试试:

Google app

Google Now

关于安卓语音识别器 Vuzix M300，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/45431794/