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

@ReactMethod
public void installUpdate(){
    pendingInstallUpdate = Terminal.getInstance().installUpdate(readerSoftwareUpdate,this, new Callback() {
        @Override
        public void onSuccess() {
            sendEventWithName(EVENT_UPDATE_INSTALL,Arguments.createMap());
            readerSoftwareUpdate = null;
        }

        @Override
        public void onFailure(@Nonnull TerminalException e) {
            WritableMap errorMap = Arguments.createMap();
            errorMap.putString(ERROR,e.getErrorMessage());
            sendEventWithName(EVENT_UPDATE_INSTALL,errorMap);
        }
    });
}
 

@ReactMethod
public void disconnectReader(){
   if(Terminal.getInstance().getConnectedReader()==null){
       sendEventWithName(EVENT_READER_DISCONNECTION_COMPLETION,Arguments.createMap());
   }else{
       Terminal.getInstance().disconnectReader(new Callback() {
           @Override
           public void onSuccess() {
               sendEventWithName(EVENT_READER_DISCONNECTION_COMPLETION,Arguments.createMap());
           }

           @Override
           public void onFailure(@Nonnull TerminalException e) {
                WritableMap errorMap = Arguments.createMap();
                errorMap.putString(ERROR,e.getErrorMessage());
                sendEventWithName(EVENT_READER_DISCONNECTION_COMPLETION,errorMap);
           }
       });
   }
}
 

@ReactMethod
public void processPayment(){
    Terminal.getInstance().processPayment(lastPaymentIntent, new PaymentIntentCallback() {
        @Override
        public void onSuccess(@Nonnull PaymentIntent paymentIntent) {
            lastPaymentIntent = paymentIntent;
            WritableMap processPaymentMap = Arguments.createMap();
            processPaymentMap.putMap(INTENT,serializePaymentIntent(paymentIntent,lastCurrency));
            sendEventWithName(EVENT_PROCESS_PAYMENT,processPaymentMap);
        }

        @Override
        public void onFailure(@Nonnull TerminalException e) {
            WritableMap errorMap = Arguments.createMap();
            errorMap.putString(ERROR,e.getErrorMessage());
            errorMap.putInt(CODE,e.getErrorCode().ordinal());
            errorMap.putString(DECLINE_CODE,e.getApiError().getDeclineCode());
            errorMap.putMap(INTENT,serializePaymentIntent(lastPaymentIntent,lastCurrency));
            sendEventWithName(EVENT_PROCESS_PAYMENT,errorMap);
        }
    });
}
 

@SuppressLint("StaticFieldLeak")
@SuppressWarnings("unused")
@ReactMethod
public void write(@NonNull final Integer cId, @NonNull final String base64String, @Nullable final Callback callback) {
    new GuardedAsyncTask<Void, Void>(mReactContext.getExceptionHandler()) {
        @Override
        protected void doInBackgroundGuarded(Void... params) {
            TcpSocketClient socketClient = socketClients.get(cId);
            if (socketClient == null) {
                return;
            }
            try {
                socketClient.write(Base64.decode(base64String, Base64.NO_WRAP));
                if (callback != null) {
                    callback.invoke();
                }
            } catch (IOException e) {
                if (callback != null) {
                    callback.invoke(e.toString());
                }
                onError(cId, e.toString());
            }
        }
    }.executeOnExecutor(executorService);
}
 

@SuppressLint("StaticFieldLeak")
@SuppressWarnings("unused")
@ReactMethod
public void end(final Integer cId) {
    new GuardedAsyncTask<Void, Void>(mReactContext.getExceptionHandler()) {
        @Override
        protected void doInBackgroundGuarded(Void... params) {
            TcpSocketClient socketClient = socketClients.get(cId);
            if (socketClient == null) {
                return;
            }
            socketClient.close();
            socketClients.remove(cId);
        }
    }.executeOnExecutor(executorService);
}
 

@SuppressLint("StaticFieldLeak")
@SuppressWarnings("unused")
@ReactMethod
public void listen(final Integer cId, final ReadableMap options) {
    new GuardedAsyncTask<Void, Void>(mReactContext.getExceptionHandler()) {
        @Override
        protected void doInBackgroundGuarded(Void... params) {
            try {
                TcpSocketServer server = new TcpSocketServer(socketClients, TcpSocketModule.this, cId, options);
                socketClients.put(cId, server);
                int port = options.getInt("port");
                String host = options.getString("host");
                onConnect(cId, host, port);
            } catch (Exception uhe) {
                onError(cId, uhe.getMessage());
            }
        }
    }.executeOnExecutor(executorService);
}
 

@ReactMethod
public void cancelPaymentIntent(){
    Terminal.getInstance().cancelPaymentIntent(lastPaymentIntent, new PaymentIntentCallback() {
        @Override
        public void onSuccess(@Nonnull PaymentIntent paymentIntent) {
            WritableMap paymentIntentCancelMap = Arguments.createMap();
            paymentIntentCancelMap.putMap(INTENT,serializePaymentIntent(paymentIntent,lastCurrency));
            sendEventWithName(EVENT_PAYMENT_INTENT_CANCEL,paymentIntentCancelMap);
        }

        @Override
        public void onFailure(@Nonnull TerminalException e) {
            WritableMap errorMap = Arguments.createMap();
            errorMap.putString(ERROR,e.getErrorMessage());
            errorMap.putInt(CODE,e.getErrorCode().ordinal());
            errorMap.putMap(INTENT,serializePaymentIntent(lastPaymentIntent,lastCurrency));
            sendEventWithName(EVENT_PAYMENT_INTENT_CANCEL,errorMap);
        }
    });
}
 

@ReactMethod
public void collectPaymentMethod(){
    pendingCreatePaymentIntent = Terminal.getInstance().collectPaymentMethod(lastPaymentIntent, this, new PaymentIntentCallback() {
        @Override
        public void onSuccess(@Nonnull PaymentIntent paymentIntent) {
            pendingCreatePaymentIntent = null;
            lastPaymentIntent = paymentIntent;
            WritableMap collectPaymentMethodMap = Arguments.createMap();
            collectPaymentMethodMap.putMap(INTENT,serializePaymentIntent(paymentIntent,lastCurrency));
            sendEventWithName(EVENT_PAYMENT_METHOD_COLLECTION,collectPaymentMethodMap);
        }

        @Override
        public void onFailure(@Nonnull TerminalException e) {
            pendingCreatePaymentIntent = null;
            WritableMap errorMap = Arguments.createMap();
            errorMap.putString(ERROR,e.getErrorMessage());
            errorMap.putInt(CODE,e.getErrorCode().ordinal());
            errorMap.putMap(INTENT,serializePaymentIntent(lastPaymentIntent,lastCurrency));
            sendEventWithName(EVENT_PAYMENT_METHOD_COLLECTION,errorMap);
        }
    });
}
 

@ReactMethod
public void abortCreatePayment(){
    if(pendingCreatePaymentIntent!=null && !pendingCreatePaymentIntent.isCompleted()){
        pendingCreatePaymentIntent.cancel(new Callback() {
            @Override
            public void onSuccess() {
                pendingCreatePaymentIntent = null;
                sendEventWithName(EVENT_ABORT_CREATE_PAYMENT_COMPLETION,Arguments.createMap());
            }

            @Override
            public void onFailure(@Nonnull TerminalException e) {
                WritableMap errorMap = Arguments.createMap();
                errorMap.putString(ERROR,e.getErrorMessage());
                sendEventWithName(EVENT_ABORT_CREATE_PAYMENT_COMPLETION,errorMap);
            }
        });
    }else{
        sendEventWithName(EVENT_ABORT_CREATE_PAYMENT_COMPLETION,Arguments.createMap());
    }
}
 

/**
 * Returns if the device is currently connected to a WiFi network.
 */
@ReactMethod
public void connectionStatus(final Promise promise) {
    final ConnectivityManager connectivityManager = (ConnectivityManager) getReactApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
    if(connectivityManager == null) {
        promise.resolve(false);
        return;
    }

    NetworkInfo wifiInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
    if (wifiInfo == null) {
        promise.resolve(false);
        return;
    }

    promise.resolve(wifiInfo.isConnected());
}
 

@ReactMethod
public void setSpeed(final int reactTag, final float speed) {
  try {
    UIManagerModule uiManager = mReactContext.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {
      public void execute (NativeViewHierarchyManager nvhm) {
        RNJWPlayerView playerView = (RNJWPlayerView) nvhm.resolveView(reactTag);

        if (playerView != null && playerView.mPlayer != null) {
          playerView.mPlayer.setPlaybackRate(speed);
        }
      }
    });
  } catch (IllegalViewOperationException e) {
    throw e;
  }
}
 

/**
 * This method will remove the wifi network configuration.
 * If you are connected to that network, it will disconnect.
 *
 * @param SSID wifi SSID to remove configuration for
 */
@ReactMethod
public void isRemoveWifiNetwork(final String SSID, final Promise promise) {
    final boolean locationPermissionGranted = PermissionUtils.isLocationPermissionGranted(context);
    if (!locationPermissionGranted) {
        promise.reject(IsRemoveWifiNetworkErrorCodes.locationPermissionMissing.toString(), "Location permission (ACCESS_FINE_LOCATION) is not granted");
        return;
    }

    final List<WifiConfiguration> mWifiConfigList = wifi.getConfiguredNetworks();
    final String comparableSSID = ('"' + SSID + '"'); //Add quotes because wifiConfig.SSID has them

    for (WifiConfiguration wifiConfig : mWifiConfigList) {
        if (wifiConfig.SSID.equals(comparableSSID)) {
            promise.resolve(wifi.removeNetwork(wifiConfig.networkId));
            wifi.saveConfiguration();
            return;
        }
    }

    promise.resolve(true);
}
 

@ReactMethod
public void stop(final int reactTag) {
  try {
    UIManagerModule uiManager = mReactContext.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {
      public void execute (NativeViewHierarchyManager nvhm) {
        RNJWPlayerView playerView = (RNJWPlayerView) nvhm.resolveView(reactTag);

        if (playerView != null && playerView.mPlayer != null) {
          playerView.mPlayer.stop();
          playerView.userPaused = true;
        }
      }
    });
  } catch (IllegalViewOperationException e) {
    throw e;
  }
}
 

@ReactMethod
public void play(final int reactTag) {
  try {
    UIManagerModule uiManager = mReactContext.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {
      public void execute (NativeViewHierarchyManager nvhm) {
        RNJWPlayerView playerView = (RNJWPlayerView) nvhm.resolveView(reactTag);

        if (playerView != null && playerView.mPlayer != null) {
          playerView.mPlayer.play();
        }
      }
    });
  } catch (IllegalViewOperationException e) {
    throw e;
  }
}
 

@ReactMethod
public void seekTo(final int reactTag, final double time) {
  try {
    UIManagerModule uiManager = mReactContext.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {
      public void execute (NativeViewHierarchyManager nvhm) {
        RNJWPlayerView playerView = (RNJWPlayerView) nvhm.resolveView(reactTag);

        if (playerView != null && playerView.mPlayer != null) {
          playerView.mPlayer.seek(time);
        }
      }
    });
  } catch (IllegalViewOperationException e) {
    throw e;
  }
}
 

@ReactMethod
public void setPrintingSize(String printingSize) {
    int charsOnLine;

    switch (printingSize) {
    case EscPosModule.PRINTING_SIZE_80_MM:
        charsOnLine = LayoutBuilder.CHARS_ON_LINE_80_MM;
        break;

    case EscPosModule.PRINTING_SIZE_58_MM:
    default:
        charsOnLine = LayoutBuilder.CHARS_ON_LINE_58_MM;
    }

    layoutBuilder.setCharsOnLine(charsOnLine);
}
 

@ReactMethod
public void setPrintingSize(String printingSize) {
    int charsOnLine;
    int printingWidth;

    switch (printingSize) {
    case PRINTING_SIZE_80_MM:
        charsOnLine = LayoutBuilder.CHARS_ON_LINE_80_MM;
        printingWidth = PrinterService.PRINTING_WIDTH_80_MM;
        break;

    case PRINTING_SIZE_58_MM:
    default:
        charsOnLine = LayoutBuilder.CHARS_ON_LINE_58_MM;
        printingWidth = PrinterService.PRINTING_WIDTH_58_MM;
    }

    printerService.setCharsOnLine(charsOnLine);
    printerService.setPrintingWidth(printingWidth);
}
 

@ReactMethod
public void toggleSpeed(final int reactTag) {
  try {
    UIManagerModule uiManager = mReactContext.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {
      public void execute (NativeViewHierarchyManager nvhm) {
        RNJWPlayerView playerView = (RNJWPlayerView) nvhm.resolveView(reactTag);

        if (playerView != null && playerView.mPlayer != null) {
          float rate = playerView.mPlayer.getPlaybackRate();
          if (rate < 2) {
            playerView.mPlayer.setPlaybackRate(rate += 0.5);
          } else {
            playerView.mPlayer.setPlaybackRate((float) 0.5);
          }
        }
      }
    });
  } catch (IllegalViewOperationException e) {
    throw e;
  }
}
 

@ReactMethod
public void stopService(Promise promise) {
    Intent intent = new Intent(getReactApplicationContext(), VIForegroundService.class);
    intent.setAction(Constants.ACTION_FOREGROUND_SERVICE_STOP);
    boolean stopped = getReactApplicationContext().stopService(intent);
    if (stopped) {
        promise.resolve(null);
    } else {
        promise.reject(ERROR_SERVICE_ERROR, "VIForegroundService: Foreground service failed to stop");
    }
}
 

@ReactMethod
public void requestOverlayPermission(Promise promise) {
    mPromise = promise;
     /**
     *  Before android 6.0 Marshmallow you dont need to ask for canDrawOverlays permission,
     *  but in newer android versions this is mandatory
     */
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Settings.canDrawOverlays(this.reactContext)) {
        Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION, Uri.parse("package:" + this.reactContext.getPackageName()));
        this.reactContext.startActivityForResult(intent, DRAW_OVER_OTHER_APP_PERMISSION_REQUEST_CODE, null);
    } else {
        promise.resolve(true);
    }

}
 

@ReactMethod
public void openWifiSettings(final Promise primise) {
    try {
        SettingsUtil.openWifiSettings(getReactApplicationContext());
        primise.resolve(null);
    } catch (Throwable ex) {
        primise.reject(ex);
    }
}
 

@ReactMethod
public void openCelularSettings(final Promise primise) {
    try {
        SettingsUtil.openCelularSettings(getReactApplicationContext());
        primise.resolve(null);
    } catch (Throwable ex) {
        primise.reject(ex);
    }
}
 

@ReactMethod
public void openAppSettings(final Promise promise) {
    try {
        SettingsUtil.openAppSettings(getReactApplicationContext());
        promise.resolve(null);
    } catch (Throwable ex) {
        promise.reject(ex);
    }
}
 

/**
 * Crop an image. If all goes well, the promise will be resolved with the file:// URI of
 * the new image as the only argument. This is a temporary file - consider using
 * CameraRollManager.saveImageWithTag to save it in the gallery.
 *
 * @param uri the URI of the image to crop
 * @param options crop parameters specified as {@code {offset: {x, y}, size: {width, height}}}.
 *        Optionally this also contains  {@code {targetSize: {width, height}}}. If this is
 *        specified, the cropped image will be resized to that size.
 *        All units are in pixels (not DPs).
 * @param promise Promise to be resolved when the image has been cropped; the only argument that
 *        is passed to this is the file:// URI of the new image
 */
@ReactMethod
public void cropImage(
    String uri,
    ReadableMap options,
    Promise promise) {
  ReadableMap offset = options.hasKey("offset") ? options.getMap("offset") : null;
  ReadableMap size = options.hasKey("size") ? options.getMap("size") : null;
  if (offset == null || size == null ||
      !offset.hasKey("x") || !offset.hasKey("y") ||
      !size.hasKey("width") || !size.hasKey("height")) {
    throw new JSApplicationIllegalArgumentException("Please specify offset and size");
  }
  if (uri == null || uri.isEmpty()) {
    throw new JSApplicationIllegalArgumentException("Please specify a URI");
  }

  CropTask cropTask = new CropTask(
      getReactApplicationContext(),
      uri,
      (int) offset.getDouble("x"),
      (int) offset.getDouble("y"),
      (int) size.getDouble("width"),
      (int) size.getDouble("height"),
      promise);
  if (options.hasKey("displaySize")) {
    ReadableMap targetSize = options.getMap("displaySize");
    cropTask.setTargetSize(
      (int) targetSize.getDouble("width"),
      (int) targetSize.getDouble("height"));
  }
  cropTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
 

/**
 * Use this to connect with a wifi network.
 * Example:  wifi.findAndConnect(ssid, password, false);
 * The promise will resolve with the message 'connected' when the user is connected on Android.
 *
 * @param SSID     name of the network to connect with
 * @param password password of the network to connect with
 * @param isWep    only for iOS
 * @param promise  to send success/error feedback
 */
@ReactMethod
public void connectToProtectedSSID(@NonNull final String SSID, @NonNull final String password, final boolean isWep, final Promise promise) {
    final boolean locationPermissionGranted = PermissionUtils.isLocationPermissionGranted(context);
    if (!locationPermissionGranted) {
        promise.reject("location permission missing", "Location permission (ACCESS_FINE_LOCATION) is not granted");
        return;
    }

    final boolean isLocationOn = LocationUtils.isLocationOn(context);
    if (!isLocationOn) {
        promise.reject("location off", "Location service is turned off");
        return;
    }

    WifiUtils.withContext(context).connectWith(SSID, password).onConnectionResult(new ConnectionSuccessListener() {
        @Override
        public void success() {
            promise.resolve("connected");
        }

        @Override
        public void failed(@NonNull ConnectionErrorCode errorCode) {
            promise.reject("failed", "Could not connect to network");
        }
    }).start();
}
 

/**
 * This method will return current SSID
 *
 * @param promise to send error/result feedback
 */
@ReactMethod
public void getCurrentWifiSSID(final Promise promise) {
    WifiInfo info = wifi.getConnectionInfo();

    // This value should be wrapped in double quotes, so we need to unwrap it.
    String ssid = info.getSSID();
    if (ssid.startsWith("\"") && ssid.endsWith("\"")) {
        ssid = ssid.substring(1, ssid.length() - 1);
    }

    promise.resolve(ssid);
}
 

/**
 * Returns the BSSID (basic service set identifier) of the currently connected WiFi network.
 */
@ReactMethod
public void getBSSID(final Promise promise) {
    final WifiInfo info = wifi.getConnectionInfo();
    final String bssid = info.getBSSID();
    promise.resolve(bssid.toUpperCase());
}
 

/**
 * Returns the frequency of the currently connected WiFi network.
 */
@ReactMethod
public void getFrequency(final Promise promise) {
    final WifiInfo info = wifi.getConnectionInfo();
    final int frequency = info.getFrequency();
    promise.resolve(frequency);
}
 

/**
 * Returns the IP of the currently connected WiFi network.
 */
@ReactMethod
public void getIP(final Promise promise) {
    final WifiInfo info = wifi.getConnectionInfo();
    final String stringIP = longToIP(info.getIpAddress());
    promise.resolve(stringIP);
}
 

/**
 * Similar to `loadWifiList` but it forcefully starts a new WiFi scan and only passes the results when the scan is done.
 */
@ReactMethod
public void reScanAndLoadWifiList(final Promise promise) {
    final WifiScanResultReceiver wifiScanResultReceiver = new WifiScanResultReceiver(wifi, promise);
    getReactApplicationContext().registerReceiver(wifiScanResultReceiver, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
    wifi.startScan();
}