Java Code Examples for android.speech.SpeechRecognizer#isRecognitionAvailable()

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean isSpeechEnabled = SpeechRecognizer.isRecognitionAvailable(this);

    // Determine fragment to use
    Fragment searchFragment = isSpeechEnabled
            ? new LeanbackSearchFragment()
            : new TextSearchFragment();

    // Add fragment
    getSupportFragmentManager()
            .beginTransaction()
            .replace(android.R.id.content, searchFragment)
            .commit();
}
 

private void initSpeechRecognizer(final Context context) {
    if (context == null)
        throw new IllegalArgumentException("context must be defined!");

    mContext = context;

    if (SpeechRecognizer.isRecognitionAvailable(context)) {
        if (mSpeechRecognizer != null) {
            try {
                mSpeechRecognizer.destroy();
            } catch (final Throwable exc) {
                Logger.debug(Speech.class.getSimpleName(),
                        "Non-Fatal error while destroying speech. " + exc.getMessage());
            } finally {
                mSpeechRecognizer = null;
            }
        }

        mSpeechRecognizer = SpeechRecognizer.createSpeechRecognizer(context);
        mSpeechRecognizer.setRecognitionListener(mListener);
        initDelayedStopListening(context);

    } else {
        mSpeechRecognizer = null;
    }

    mPartialData.clear();
    mUnstableData = null;
}
 

/** Creates a speech recognizer & checks if the user has voice recognition ability. */
private void createSpeechRecognizer() {
  // Checks if user can use voice recognition.
  speechRecognizer = SpeechRecognizer.createSpeechRecognizer(talkbackContext);
  if (!SpeechRecognizer.isRecognitionAvailable(talkbackContext)) {
    Toast.makeText(
            talkbackContext,
            talkbackContext.getString(R.string.voice_commands_no_voice_recognition_ability),
            Toast.LENGTH_SHORT)
        .show();
    return;
  }
}
 

/**
 * This method must be called before any instance of SpeechRecognition can be created. It will
 * query Android's package manager to find a suitable speech recognition provider that supports
 * continuous recognition.
 */
// TODO(crbug.com/635567): Fix this properly.
@SuppressLint("WrongConstant")
public static boolean initialize(Context context) {
    if (!SpeechRecognizer.isRecognitionAvailable(context)) return false;

    PackageManager pm = context.getPackageManager();
    Intent intent = new Intent(RecognitionService.SERVICE_INTERFACE);
    final List<ResolveInfo> list = pm.queryIntentServices(intent, PackageManager.GET_SERVICES);

    for (ResolveInfo resolve : list) {
        ServiceInfo service = resolve.serviceInfo;

        if (!service.packageName.equals(PROVIDER_PACKAGE_NAME)) continue;

        if (PackageUtils.getPackageVersion(context, service.packageName)
                < PROVIDER_MIN_VERSION) {
            continue;
        }

        sRecognitionProvider = new ComponentName(service.packageName, service.name);

        return true;
    }

    // If we reach this point, we failed to find a suitable recognition provider.
    return false;
}
 

public static boolean initialize(Context context) {
    if (!SpeechRecognizer.isRecognitionAvailable(context))
        return false;

    PackageManager pm = context.getPackageManager();
    Intent intent = new Intent(RecognitionService.SERVICE_INTERFACE);
    final List<ResolveInfo> list = pm.queryIntentServices(intent, PackageManager.GET_SERVICES);

    for (ResolveInfo resolve : list) {
        ServiceInfo service = resolve.serviceInfo;

        if (!service.packageName.equals(PROVIDER_PACKAGE_NAME))
            continue;

        int versionCode;
        try {
            versionCode = pm.getPackageInfo(service.packageName, 0).versionCode;
        } catch (NameNotFoundException e) {
            continue;
        }

        if (versionCode < PROVIDER_MIN_VERSION)
            continue;

        mRecognitionProvider = new ComponentName(service.packageName, service.name);

        return true;
    }

    // If we reach this point, we failed to find a suitable recognition provider.
    return false;
}
 

public static boolean initialize(Context context) {
    if (!SpeechRecognizer.isRecognitionAvailable(context))
        return false;

    PackageManager pm = context.getPackageManager();
    Intent intent = new Intent(RecognitionService.SERVICE_INTERFACE);
    final List<ResolveInfo> list = pm.queryIntentServices(intent, PackageManager.GET_SERVICES);

    for (ResolveInfo resolve : list) {
        ServiceInfo service = resolve.serviceInfo;

        if (!service.packageName.equals(PROVIDER_PACKAGE_NAME))
            continue;

        int versionCode;
        try {
            versionCode = pm.getPackageInfo(service.packageName, 0).versionCode;
        } catch (NameNotFoundException e) {
            continue;
        }

        if (versionCode < PROVIDER_MIN_VERSION)
            continue;

        mRecognitionProvider = new ComponentName(service.packageName, service.name);

        return true;
    }

    // If we reach this point, we failed to find a suitable recognition provider.
    return false;
}
 

@Override
public boolean isEnabled() {
    return mRecognizer != null && SpeechRecognizer.isRecognitionAvailable(mAppManager.getAppContext());
}
 

private boolean isRecognitionAvailable() {
  return SpeechRecognizer.isRecognitionAvailable(context);
}