Java Code Examples for com.facebook.react.bridge.ReactMethod

@ReactMethod 
public void getAvailableLocales(Promise promise) {
	if(notReady(promise)) return;
	
	try {
		WritableArray localeList = Arguments.createArray();
		Locale[] localesArray = Locale.getAvailableLocales();
		for(Locale locale: localesArray) {
			int isAvailable = tts.isLanguageAvailable(locale);
			if(isAvailable == TextToSpeech.LANG_COUNTRY_AVAILABLE) {
				WritableMap newLocale = returnMapForLocale(locale);
				localeList.pushMap(newLocale);
			}
		}

		promise.resolve(localeList);
	} catch(Exception e) {
		promise.reject("error", "Unable to retrieve locales for getAvailableLocales()", e);
	}
}
 

@ReactMethod
public void mediaStreamTrackStop(final String id) {
    // Is this functionality equivalent to `mediaStreamTrackRelease()` ?
    // if so, we should merge this two and remove track from stream as well.
    MediaStreamTrack track = mMediaStreamTracks.get(id);
    if (track == null) {
        Log.d(TAG, "mediaStreamTrackStop() track is null");
        return;
    }
    track.setEnabled(false);
    if (track.kind().equals("video")) {
        removeVideoCapturer(id);
    }
    mMediaStreamTracks.remove(id);
    // What exactly does `detached` mean in doc?
    // see: https://www.w3.org/TR/mediacapture-streams/#track-detached
}
 

@ReactMethod
public void mediaStreamTrackRelease(final String streamId, final String _trackId) {
    MediaStream stream = mMediaStreams.get(streamId);
    if (stream == null) {
        Log.d(TAG, "mediaStreamTrackRelease() stream is null");
        return;
    }
    MediaStreamTrack track = mMediaStreamTracks.get(_trackId);
    if (track == null) {
        Log.d(TAG, "mediaStreamTrackRelease() track is null");
        return;
    }
    track.setEnabled(false); // should we do this?
    mMediaStreamTracks.remove(_trackId);
    if (track.kind().equals("audio")) {
        stream.removeTrack((AudioTrack)track);
    } else if (track.kind().equals("video")) {
        stream.removeTrack((VideoTrack)track);
        removeVideoCapturer(_trackId);
    }
    imagePorcessingHandler.removeCallbacksAndMessages(null);
    imageProcessingThread.quit();
}
 

/**
 * Get list of paired devices
 *
 * @param promise
 */
@ReactMethod
public void getPairedDevices(Promise promise){
	Set<BluetoothDevice> pairedDevices = mBluetoothAdapter.getBondedDevices();
	// it might need to be an react.bridge.WritableArray
	ArrayList list = new ArrayList();
	for(BluetoothDevice device : pairedDevices){
		list.add(device);
	}

	if(list.size() > 0){
		promise.resolve(list);
	}else{
		promise.reject("Nenhum dispositivo pareado.");
	}
}
 

@ReactMethod
public void test(String message, Callback cb) {
    try {
        android.util.Log.d("before", "yay");
        NodeHolder nh = NodeHolder.getInstance();
        Node node = nh.getNode();
        Context ctx = new Context();
        if (node != null) {
            NodeInfo info = node.getNodeInfo();
            EthereumClient ethereumClient = node.getEthereumClient();
            Account newAcc = nh.getAcc();
            BigInt balanceAt = ethereumClient.getBalanceAt(ctx, new Address("0x22B84d5FFeA8b801C0422AFe752377A64Aa738c2"), -1);
            cb.invoke(balanceAt.toString() + " ether found address:" + newAcc.getAddress().getHex());
            return;
        }
        cb.invoke("node was null");
    } catch (Exception e) {
        android.util.Log.d("", e.getMessage());
        e.printStackTrace();
    }
}
 

@ReactMethod
public void syncImmediately(int syncInterval, int syncFlexTime) {
    boolean allowForeground = Boolean.valueOf(getReactApplicationContext().getString(R.string.rnsb_allow_foreground));

    if (!allowForeground && HeadlessService.isAppOnForeground(getReactApplicationContext())) {
        if (getCurrentActivity() != null) {
            Toast.makeText(
                    getCurrentActivity(),
                    "This sync task has not been configured to run on the foreground!",
                    Toast.LENGTH_SHORT)
                    .show();
        }
        return;
    }

    SyncAdapter.syncImmediately(getReactApplicationContext(), syncInterval, syncFlexTime);
}
 

/**
 * Get the current position. This can return almost immediately if the location is cached or
 * request an update, which might take a while.
 *
 * @param options map containing optional arguments: timeout (millis), maximumAge (millis) and
 *        highAccuracy (boolean)
 */
@ReactMethod
public void getCurrentPosition(
    ReadableMap options,
    final Callback success,
    Callback error) {
  LocationOptions locationOptions = LocationOptions.fromReactMap(options);

  try {
    LocationManager locationManager =
        (LocationManager) getReactApplicationContext().getSystemService(Context.LOCATION_SERVICE);
    String provider = getValidProvider(locationManager, locationOptions.highAccuracy);
    if (provider == null) {
      error.invoke(PositionError.buildError(
              PositionError.PERMISSION_DENIED,
              "No location provider available."));
      return;
    }
    Location location = locationManager.getLastKnownLocation(provider);
    if (location != null &&
        SystemClock.currentTimeMillis() - location.getTime() < locationOptions.maximumAge) {
      success.invoke(locationToMap(location));
      return;
    }
    new SingleUpdateRequest(locationManager, provider, locationOptions.timeout, success, error)
        .invoke();
  } catch (SecurityException e) {
    throwLocationPermissionMissing(e);
  }
}
 

@ReactMethod
public void register(final String appKey, final String signature, final Promise promise)
{
	if (_initialised)
	{
		promise.reject(APPTENTIVE, "Apptentive is already initialised");
		return;
	}
	if (appKey == null || appKey.isEmpty())
	{
		promise.reject(APPTENTIVE, "Your appKey is empty");

		return;
	}
	if (signature == null || signature.isEmpty())
	{
		promise.reject(APPTENTIVE, "Your signature is empty");
		return;
	}

	Handler handler = new Handler(_application.getMainLooper());
	Runnable runnable = new Runnable()
	{
		@Override
		public void run()
		{
			Apptentive.register(_application, appKey, signature);
			promise.resolve(true);
			_initialised = true;
		}
	};
	handler.post(runnable);
}
 

@ReactMethod
public void requestNextPageChannelDescriptors(String sid, final Promise promise) {
    final RCTTwilioChatPaginator tmp = RCTTwilioChatPaginator.getInstance();
    Paginator<ChannelDescriptor> _paginator = (Paginator<ChannelDescriptor>)tmp.paginators.get(sid);

    _paginator.requestNextPage(new CallbackListener<Paginator<ChannelDescriptor>>() {
        @Override
        public void onError(ErrorInfo errorInfo) {
            super.onError(errorInfo);
            promise.reject("request-next-page", "Error occurred while attempting to request the next page. Error Message: " + errorInfo.getErrorText());
        }

        @Override
        public void onSuccess(Paginator<ChannelDescriptor> paginator) {
            String uuid = RCTTwilioChatPaginator.setPaginator(paginator);
            promise.resolve(RCTConvert.Paginator(paginator, uuid, "ChannelDescriptor"));
        }
    });
}
 

/**
 * 退出缓冲模式
 *
 * @param commit: 是否打印出缓冲区内容
 */
@ReactMethod
public void exitPrinterBuffer(boolean commit) {
    final IWoyouService ss = woyouService;
    Log.i(TAG, "come: " + commit + " ss:" + ss);
    final boolean com = commit;
    ThreadPoolManager.getInstance().executeTask(new Runnable() {
        @Override
        public void run() {
            try {
                ss.exitPrinterBuffer(com);
            } catch (Exception e) {
                e.printStackTrace();
                Log.i(TAG, "ERROR: " + e.getMessage());
            }
        }
    });
}
 

/**
    * Feed paper to the printer (roll out blank paper)
    *
    * @param linesQuantity
    * @param promise
    */
@ReactMethod
public void feedPaper(int linesQuantity, Promise promise) {
	if (linesQuantity < 0 || linesQuantity > 255) {
		promise.reject("AMOUNT_LINES_0_255");
		return;
	}
	try {
		mPrinter.feedPaper(linesQuantity);
		mPrinter.flush();

		promise.resolve("PAPER_FED");
	} catch (Exception e) {
		promise.reject("Erro: " + e.getMessage());
	}
}
 

/**
 * Create and send transaction.
 *
 * @param passphrase Passphrase
 * @param nonce      Account nonce (use -1 to use last known nonce)
 * @param toAddress  Address destination
 * @param amount     Amount
 * @param gasLimit   Gas limit
 * @param gasPrice   Gas price
 * @param data
 * @param promise    Promise
 * @return Return String transaction
 */
@ReactMethod
public void createAndSendTransaction(String passphrase, double nonce, String toAddress,
                                     double amount, double gasLimit, double gasPrice,
                                     String data, Promise promise) {
    try {
        Account acc = GethHolder.getAccount();
        Address fromAddress = acc.getAddress();
        BigInt chain = new BigInt(GethHolder.getNodeConfig().getEthereumNetworkID());
        Context ctx = new Context();

        if (nonce == -1) {
          nonce = GethHolder.getNode().getEthereumClient().getPendingNonceAt(ctx, fromAddress);
        }

        Transaction tx = new Transaction(
                (long) nonce,
                new Address(toAddress),
                new BigInt((long) amount),
                new BigInt((long) gasLimit),
                new BigInt((long) gasPrice),
                data.getBytes("UTF8"));

        // Sign a transaction with a single authorization
        Transaction signed = GethHolder.getKeyStore().signTxPassphrase(acc, passphrase, tx, chain);
        // Send it out to the network.
        GethHolder.getNode().getEthereumClient().sendTransaction(ctx, signed);
        promise.resolve(tx.toString());
    } catch (Exception e) {
        promise.reject(NEW_TRANSACTION_ERROR, e);
    }
}
 

@ReactMethod
public void retrieveCredentials(Callback errorCallbackCred, Callback successCallbackCred) {

    //Read encrypted JSON from file system
    String encryptedJSONFromFile = readFromFile();

    //decrypt data from file system
    String decryptedJSON = decryptText(encryptedJSONFromFile);

    if (null != decryptedJSON) {
        try {
            JSONObject decryptedJSONObject = new JSONObject(decryptedJSON);
            successCallbackCred.invoke(decryptedJSONObject.toString());
        } catch (JSONException e) {
            e.printStackTrace();
            errorCallbackCred.invoke("Failed to retrieve Credentials");
        }
    } else {
        errorCallbackCred.invoke("Failed to retrieve Credentials");
    }
}
 

@ReactMethod
public void isSensorAvailable(final Promise promise) {
    
    response = Arguments.createMap();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (ActivityCompat.checkSelfPermission(mReactContext, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
            sendResponse("failed", "You haven't allow this app to use your fingerprint sensor", promise);
            return;
        }
        
        if (mReactContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_FINGERPRINT) ||
            ((FingerprintManager) mReactContext.getSystemService(Context.FINGERPRINT_SERVICE)).isHardwareDetected()) {
            if (((FingerprintManager) mReactContext.getSystemService(Context.FINGERPRINT_SERVICE)).hasEnrolledFingerprints()) {
                sendResponse("ok", null, promise);
            } else {
                sendResponse("failed", "You have fingerprint sensor, but you should set it enabled in your settings to use with this app", promise);
            }
        } else {
            sendResponse("failed", "You don\'t have appropriate hardware", promise);
        }
    } else {
        sendResponse("failed", "You don\'t have appropriate hardware", promise);
    }
}
 

/**
 * Get photos from {@link MediaStore.Images}, most recent first.
 *
 * @param params a map containing the following keys:
 *        <ul>
 *          <li>first (mandatory): a number representing the number of photos to fetch</li>
 *          <li>
 *            after (optional): a cursor that matches page_info[end_cursor] returned by a
 *            previous call to {@link #getPhotos}
 *          </li>
 *          <li>groupName (optional): an album name</li>
 *          <li>
 *            mimeType (optional): restrict returned images to a specific mimetype (e.g.
 *            image/jpeg)
 *          </li>
 *        </ul>
 * @param promise the Promise to be resolved when the photos are loaded; for a format of the
 *        parameters passed to this callback, see {@code getPhotosReturnChecker} in CameraRoll.js
 */
@ReactMethod
public void getPhotos(final ReadableMap params, final Promise promise) {
  int first = params.getInt("first");
  String after = params.hasKey("after") ? params.getString("after") : null;
  String groupName = params.hasKey("groupName") ? params.getString("groupName") : null;
  ReadableArray mimeTypes = params.hasKey("mimeTypes")
      ? params.getArray("mimeTypes")
      : null;
  if (params.hasKey("groupTypes")) {
    throw new JSApplicationIllegalArgumentException("groupTypes is not supported on Android");
  }

  new GetPhotosTask(
        getReactApplicationContext(),
        first,
        after,
        groupName,
        mimeTypes,
        promise)
        .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
 

@ReactMethod
public void getAppBrightness(Promise promise) {
    final Activity curActivity = getCurrentActivity();
    if(curActivity == null) {
        return;
    }
    try {
        float result = curActivity.getWindow().getAttributes().screenBrightness;
        if(result < 0){
            int val = Settings.System.getInt(getReactApplicationContext().getContentResolver(), Settings.System.SCREEN_BRIGHTNESS);
            promise.resolve(val * 1.0f / 255);
        }else{
            promise.resolve(result);
        }
    } catch (Exception e) {
        e.printStackTrace();
        promise.reject("-1", "get app's brightness fail", e);
    }
}
 

@ReactMethod
    public void applyShadowForView(final Integer tag, final ReadableMap param) {
        Log.d(TAG,"AndroidShadowManager applyShadowForView! tag: " + tag);
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
            return;
        }
        UIManagerModule uiManager = reactContext.getNativeModule(UIManagerModule.class);
        uiManager.addUIBlock(new UIBlock() {

            @Override
            public void execute(NativeViewHierarchyManager nvhm) {
                ReactViewGroup targetView = (ReactViewGroup) nvhm.resolveView(tag);
                Log.d(TAG,"AndroidShadowManager view w = " + targetView.getWidth() + " h = " + targetView.getHeight());
//                targetView.setBackgroundColor(Color.CYAN);
                targetView.getViewTreeObserver().addOnGlobalLayoutListener(new OutlineAdjuster(targetView,param));

            }
        });
    }
 

@ReactMethod
public void signData(final String privKeyData, final String password, final String data, Promise promise) {
  try {
    // region Decode Private Key
    PGPSecretKey secKey = PGPUtils.getSecretKey(privKeyData);
    PGPPrivateKey privKey = PGPUtils.decryptArmoredPrivateKey(secKey, password);
    // endregion
    // region Sign Data
    String signature = PGPUtils.signArmoredAscii(privKey, data, signatureAlgo);
    WritableMap resultMap = Arguments.createMap();
    resultMap.putString("asciiArmoredSignature", signature);
    resultMap.putString("hashingAlgo",  PGPUtils.hashAlgoToString(signatureAlgo));
    resultMap.putString("fingerPrint", Utils.bytesToHex(secKey.getPublicKey().getFingerprint()));
    promise.resolve(resultMap);
    // endregion
  } catch (Exception e) {
    promise.reject(e);
  }
}
 

/**
 * 进入缓冲模式，所有打印调用将缓存，调用commitPrinterBuffe()后打印
 *
 * @param clean: 是否清除缓冲区内容
 */
@ReactMethod
public void enterPrinterBuffer(boolean clean) {
    final IWoyouService ss = woyouService;
    Log.i(TAG, "come: " + clean + " ss:" + ss);
    final boolean c = clean;
    ThreadPoolManager.getInstance().executeTask(new Runnable() {
        @Override
        public void run() {
            try {
                ss.enterPrinterBuffer(c);
            } catch (Exception e) {
                e.printStackTrace();
                Log.i(TAG, "ERROR: " + e.getMessage());
            }
        }
    });
}
 

@ReactMethod
public void createSpeechRecognizer(final Promise promise) {
  if (reactContext == null)
    throw new IllegalArgumentException("ReactApplicationContext must be defined!");

  if (mSpeechRecognizer != null) {
    mSpeechRecognizer.destroy();
    mSpeechRecognizer = null;
  }

  if (SpeechRecognizer.isRecognitionAvailable(reactContext)) {
    mSpeechRecognizer = SpeechRecognizer.createSpeechRecognizer(reactContext);
    mSpeechRecognizer.setRecognitionListener(new SpeechRecognitionListener(
        this.reactContext.getJSModule(RCTNativeAppEventEmitter.class)
    ));
    promise.resolve(null);
  } else{
    promise.reject("error", "SpeechRecognizer not available");
  }
}
 

@ReactMethod
public void setDefaultSpeechRate(float speechRate, Promise promise) {
	if(notReady(promise)) return;

	int result = tts.setSpeechRate(speechRate);
	if(result == TextToSpeech.SUCCESS) {
		WritableMap map = Arguments.createMap();
		map.putString("status", "Success");
		map.putDouble("speechRate", (double)speechRate);
		promise.resolve(map);
	} else {
		promise.reject("error", "Unable to set speech rate");
	}
}
 

@ReactMethod
public void extractAnimatedNodeOffset(final int tag) {
  mOperations.add(new UIThreadOperation() {
    @Override
    public void execute(NativeAnimatedNodesManager animatedNodesManager) {
      animatedNodesManager.extractAnimatedNodeOffset(tag);
    }
  });
}
 

/**
 * Function to convert a given audio file to MP3 format
 *
 * @param fileName        - input file name
 * @param errorCallback   - function called if the file could not be converted
 * @param successCallback - function called if the conversion was successful
 */
@ReactMethod
public void convertAudioFile(String fileName,
                             final Callback errorCallback,
                             final Callback successCallback) {
    File flacFile = new File(Environment.getExternalStorageDirectory(), fileName);
    Log.d("Output file location", Environment.getExternalStorageDirectory().toString() + fileName);


    IConvertCallback callback = new IConvertCallback() {
        @Override
        public void onSuccess(File convertedFile) {
            // So fast? Love it!
            Log.d("rnaac notice", "convert success");
            successCallback.invoke("convert success");
        }

        @Override
        public void onFailure(Exception error) {
            // Oops! Something went wrong
            errorCallback.invoke("convert failure: " + error.toString());
            Log.d("rnaac notice", error.toString());
            error.printStackTrace();
        }
    };
    AndroidAudioConverter.with(this.getReactApplicationContext())
            // Your current audio file
            .setFile(flacFile)

            // Your desired audio format
            .setFormat(AudioFormat.MP3)

            // An callback to know when conversion is finished
            .setCallback(callback)

            // Start conversion
            .convert();
}
 

@ReactMethod
public void mediaStreamTrackSwitchCamera(final String id) {
    MediaStreamTrack track = mMediaStreamTracks.get(id);
    if (track != null) {
        VideoCapturer videoCapturer = mVideoCapturers.get(id);
        if (videoCapturer != null) {
            CameraVideoCapturer cameraVideoCapturer
                = (CameraVideoCapturer) videoCapturer;
            cameraVideoCapturer.switchCamera(null);
        }
    }
}
 

@ReactMethod
public void delete(Integer id, final Callback errorCallback, final Callback successCallback) {
    try {
        int res = context.getContentResolver().delete(Uri.parse("content://sms/" + id), null, null);
        if (res > 0) {
            successCallback.invoke("OK");
        } else {
            errorCallback.invoke("SMS not found");
        }
        return;
    } catch (Exception e) {
        errorCallback.invoke(e.getMessage());
        return;
    }
}
 

@ReactMethod
public void native_connect(String peripheralUUID, Callback successCallback, Callback failCallback) {
	//NSLog(@"native_connect entered");
	Log.d(LOG_TAG,"native_connect entered");

	//[mBleAdmin connect:peripheralUUID  successCallback: successCallback failCallback: failCallback];
	mBleAdmin.connect(peripheralUUID, successCallback, failCallback);
}
 

@ReactMethod
public void setAnimatedNodeOffset(final int tag, final double value) {
  mOperations.add(new UIThreadOperation() {
    @Override
    public void execute(NativeAnimatedNodesManager animatedNodesManager) {
      animatedNodesManager.setAnimatedNodeOffset(tag, value);
    }
  });
}
 

@ReactMethod
public void createDataChannel(final int peerConnectionId, String label, ReadableMap config) {
    // Forward to PeerConnectionObserver which deals with DataChannels
    // because DataChannel is owned by PeerConnection.
    PeerConnectionObserver pco
        = mPeerConnectionObservers.get(peerConnectionId);
    if (pco == null || pco.getPeerConnection() == null) {
        Log.d(TAG, "createDataChannel() peerConnection is null");
    } else {
        pco.createDataChannel(label, config);
    }
}
 

@ReactMethod
public void lockToLandscapeLeft() {
    final Activity activity = getCurrentActivity();
    if (activity == null) return;
    activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    this.isLocked = true;
}
 

@ReactMethod
public void stop(final Integer key) {
  MediaPlayer player = this.playerPool.get(key);
  if (player != null && player.isPlaying()) {
    player.stop();
  }
}
 

@ReactMethod
/**
 * Cancel scheduled notifications, and removes notifications from the notification centre.
 *
 * Note - as we are trying to achieve feature parity with iOS, this method cannot be used
 * to remove specific alerts from the notification centre.
 *
 * @see <a href="https://facebook.github.io/react-native/docs/pushnotificationios.html">RN docs</a>
 */
public void cancelLocalNotifications(ReadableMap userInfo) {
    mRNPushNotificationHelper.cancelScheduledNotification(userInfo);
}
 

@ReactMethod
public void setDefaultPitch(float pitch, Promise promise) {
	if(notReady(promise)) return;

	int result = tts.setPitch(pitch);
	if(result == TextToSpeech.SUCCESS) {
		WritableMap map = Arguments.createMap();
		map.putString("status", "Success");
		map.putDouble("pitch", (double)pitch);
		promise.resolve(map);
	} else {
		promise.reject("error", "Unable to set pitch");
	}
}
 

/**
 * Sets the default account at the given index in the listAccounts.
 *
 * @param accID   index in the listAccounts
 * @param promise Promise
 * @return Return true if sets.
 */
@ReactMethod
public void setAccount(Integer accID, Promise promise) {
    try {
        Account acc = GethHolder.getKeyStore().getAccounts().get(accID);
        GethHolder.setAccount(acc);
        //accounts.set(0, acc);
        promise.resolve(true);
    } catch (Exception e) {
        promise.reject(SET_ACCOUNT_ERROR, e);
    }
}
 

@ReactMethod
public void open() {
    Intent intent = new Intent();
    intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
    Uri uri = Uri.fromParts("package", reactContext.getPackageName(), null);
    intent.setData(uri);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    reactContext.startActivity(intent);
}
 

/**
 * 打印机自检，打印机会打印自检页
 *
 * @param callback 回调
 */
@ReactMethod
public void printerSelfChecking(final Promise p) {
    final IWoyouService printerService = woyouService;
    ThreadPoolManager.getInstance().executeTask(new Runnable() {
        @Override
        public void run() {
            try {
                printerService.printerSelfChecking(new ICallback.Stub() {
                    @Override
                    public void onRunResult(boolean isSuccess) {
                        if (isSuccess) {
                            p.resolve(null);
                        } else {
                            p.reject("0", isSuccess + "");
                        }
                    }

                    @Override
                    public void onReturnString(String result) {
                        p.resolve(result);
                    }

                    @Override
                    public void onRaiseException(int code, String msg) {
                        p.reject("" + code, msg);
                    }
                });
            } catch (Exception e) {
                e.printStackTrace();
                Log.i(TAG, "ERROR: " + e.getMessage());
                p.reject("" + 0, e.getMessage());
            }
        }
    });
}
 

/**
 * Exports as a JSON key, encrypted with new passphrase.
 *
 * @param creationPassphrase Passphrase
 * @param exportPassphrase   New passphrase
 * @param promise            Promise
 * @return Return key string
 */
@ReactMethod
public void exportKey(String creationPassphrase, String exportPassphrase, Promise promise) {
    try {
        Account acc = GethHolder.getAccount();
        if (acc != null) {
            byte[] key = GethHolder.getKeyStore().exportKey(acc, creationPassphrase, exportPassphrase);
            promise.resolve(key);
        } else {
            promise.reject(EXPORT_KEY_ERROR, "call method setAccount('accountId') before");
        }
    } catch (Exception e) {
        promise.reject(EXPORT_KEY_ERROR, e);
    }
}
 

/**
 * Interface for adding/removing/moving views within a parent view from JS.
 *
 * @param viewTag the view tag of the parent view
 * @param moveFrom a list of indices in the parent view to move views from
 * @param moveTo parallel to moveFrom, a list of indices in the parent view to move views to
 * @param addChildTags a list of tags of views to add to the parent
 * @param addAtIndices parallel to addChildTags, a list of indices to insert those children at
 * @param removeFrom a list of indices of views to permanently remove. The memory for the
 *        corresponding views and data structures should be reclaimed.
 */
@ReactMethod
public void manageChildren(
    int viewTag,
    @Nullable ReadableArray moveFrom,
    @Nullable ReadableArray moveTo,
    @Nullable ReadableArray addChildTags,
    @Nullable ReadableArray addAtIndices,
    @Nullable ReadableArray removeFrom) {
  if (DEBUG) {
    FLog.d(
        ReactConstants.TAG,
        "(UIManager.manageChildren) tag: " + viewTag +
        ", moveFrom: " + moveFrom +
        ", moveTo: " + moveTo +
        ", addTags: " + addChildTags +
        ", atIndices: " + addAtIndices +
        ", removeFrom: " + removeFrom);
  }
  mUIImplementation.manageChildren(
      viewTag,
      moveFrom,
      moveTo,
      addChildTags,
      addAtIndices,
      removeFrom);
}
 

/**
 * Stop listening for location updates.
 *
 * NB: this is not balanced with {@link #startObserving}: any number of calls to that method will
 * be canceled by just one call to this one.
 */
@ReactMethod
public void stopObserving() {
  LocationManager locationManager =
      (LocationManager) getReactApplicationContext().getSystemService(Context.LOCATION_SERVICE);
  locationManager.removeUpdates(mLocationListener);
  mWatchedProvider = null;
}
 

@ReactMethod
public void initSDK(String appDomain, String appKey, String appId) {
    this.appDomain = appDomain;
    this.appKey = appKey;
    this.appId = appId;
    UdeskSDKManager.getInstance().initApiKey(mReactContext.getApplicationContext(), this.appDomain, this.appKey, this.appId);
    UdeskConfig.udeskTitlebarBgResId = cn.udesk.R.color.udesk_titlebar_bg;
}
 

@ReactMethod
public void setVolume(float val, String type) {
    mContext.unregisterReceiver(volumeBR);
    int volType = getVolType(type);
    am.setStreamVolume(volType, (int) (val * am.getStreamMaxVolume(volType)), AudioManager.FLAG_PLAY_SOUND);
    mContext.registerReceiver(volumeBR, filter);
}