Java 类com.facebook.react.bridge.WritableNativeMap 实例源码

private WritableMap createRangingResponse(Collection<Beacon> beacons, Region region) {
    WritableMap map = new WritableNativeMap();
    map.putString("identifier", region.getUniqueId());
    map.putString("uuid", region.getId1() != null ? region.getId1().toString() : "");
    WritableArray a = new WritableNativeArray();
    for (Beacon beacon : beacons) {
        WritableMap b = new WritableNativeMap();
        b.putString("uuid", beacon.getId1().toString());
        b.putInt("major", beacon.getId2().toInt());
        b.putInt("minor", beacon.getId3().toInt());
        b.putInt("rssi", beacon.getRssi());
        b.putDouble("distance", beacon.getDistance());
        b.putString("proximity", getProximity(beacon.getDistance()));
        a.pushMap(b);
    }
    map.putArray("beacons", a);
    return map;
}

public static void addToGalleryAndNotify(Context context, File imageFile, final Promise promise) {
    final WritableMap response = new WritableNativeMap();
    response.putString("path", Uri.fromFile(imageFile).toString());

    // borrowed from react-native CameraRollManager, it finds and returns the 'internal'
    // representation of the image uri that was just saved.
    // e.g. content://media/external/images/media/123
    MediaScannerConnection.scanFile(
            context,
            new String[]{imageFile.getAbsolutePath()},
            null,
            new MediaScannerConnection.OnScanCompletedListener() {
                @Override
                public void onScanCompleted(String path, Uri uri) {
                    promise.resolve(response);
                }
            });
}

@ReactMethod
public void getSessionInfo(final Promise callback) {
    Taplytics.getSessionInfo(new SessionInfoRetrievedListener() {
        @Override
        public void sessionInfoRetrieved(HashMap hashMap) {
            WritableMap resultData = new WritableNativeMap();
            if(hashMap.containsKey("session_id")){
                resultData.putString("session_id", (String) hashMap.get("session_id"));
            }
            if(hashMap.containsKey("appUser_id")){
                resultData.putString("appUser_id", (String) hashMap.get("appUser_id"));
            }

            callback.resolve(resultData);
        }
    });
}

public WritableMap checkDownloadStatus(long downloadId) {

        DownloadManager.Query downloadQuery = new DownloadManager.Query();
        downloadQuery.setFilterById(downloadId);
        Cursor cursor = downloadManager.query(downloadQuery);
        HashMap<String, String> result = new HashMap<>();
        if (cursor.moveToFirst()) {
            result = getDownloadStatus(cursor, downloadId);
        } else {
            result.put("status", "UNKNOWN");
            result.put("reason", "COULD_NOT_FIND");
            result.put("downloadId", String.valueOf(downloadId));
        }
        WritableMap wmap = new WritableNativeMap();
        for (HashMap.Entry<String, String> entry : result.entrySet()) {
            wmap.putString(entry.getKey(), entry.getValue());
        }
        return wmap;
    }

/**
 * Checks download progress.
 */
private void checkProgress() {
  DownloadManager.Query query = new DownloadManager.Query();
  query.setFilterById(enqueue);
  Cursor cursor = dm.query(query);
  if (!cursor.moveToFirst()) {
    cursor.close();
    return;
  }
  long reference = cursor.getLong(cursor.getColumnIndex(DownloadManager.COLUMN_ID));

  int bytes_downloaded =
      cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR));
  int bytes_total = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES));

  int progress = (int) ((bytes_downloaded * 100l) / bytes_total);
      WritableMap writableMap = new WritableNativeMap();
      writableMap.putInt("progress", progress);
      sendEvent(writableMap);

  if(progress >= 100) {
    future.cancel(true);
  }
}

private void resolveImage(final File imageFile, int width, int height, final Promise promise, boolean addToMediaStore) {
    final WritableMap response = new WritableNativeMap();
    response.putString("path", Uri.fromFile(imageFile).toString());
    response.putInt("width", width);
    response.putInt("height", height);

    if(addToMediaStore) {
        // borrowed from react-native CameraRollManager, it finds and returns the 'internal'
        // representation of the image uri that was just saved.
        // e.g. content://media/external/images/media/123
        MediaScannerConnection.scanFile(
                _reactContext,
                new String[]{imageFile.getAbsolutePath()},
                null,
                null);
    }

    promise.resolve(response);
}

@ReactMethod
public void auth(Promise promise) {
    if (HSinterface == null){
        promise.reject("-1", "init failed");
        return;
    }
    int ret = HSinterface.Authenticate();
    WritableMap result = new WritableNativeMap();
    if (ret == 1){
        result.putString("code", ret+"");
        result.putString("msg", "success");
        promise.resolve(result);
    }else if (ret == 2){
        result.putString("code", ret+"");
        result.putString("msg", "auth failed");
        promise.resolve(result);
    }else if (ret == 0){
        promise.reject("0", "connect failed");
    }
}

@Override
public boolean onException(
        Exception e,
        GlideUrl uri,
        Target<GlideDrawable> target,
        boolean isFirstResource
) {
    OkHttpProgressGlideModule.forget(uri.toStringUrl());
    if (!(target instanceof ImageViewTarget)) {
        return false;
    }
    ImageViewWithUrl view = (ImageViewWithUrl) ((ImageViewTarget) target).getView();
    ThemedReactContext context = (ThemedReactContext) view.getContext();
    RCTEventEmitter eventEmitter = context.getJSModule(RCTEventEmitter.class);
    int viewId = view.getId();
    eventEmitter.receiveEvent(viewId, REACT_ON_ERROR_EVENT, new WritableNativeMap());
    eventEmitter.receiveEvent(viewId, REACT_ON_LOAD_END_EVENT, new WritableNativeMap());
    return false;
}

@Override
public boolean onResourceReady(
        GlideDrawable resource,
        GlideUrl uri,
        Target<GlideDrawable> target,
        boolean isFromMemoryCache,
        boolean isFirstResource
) {
    if (!(target instanceof ImageViewTarget)) {
        return false;
    }
    ImageViewWithUrl view = (ImageViewWithUrl) ((ImageViewTarget) target).getView();
    ThemedReactContext context = (ThemedReactContext) view.getContext();
    RCTEventEmitter eventEmitter = context.getJSModule(RCTEventEmitter.class);
    int viewId = view.getId();
    eventEmitter.receiveEvent(viewId, REACT_ON_LOAD_EVENT, new WritableNativeMap());
    eventEmitter.receiveEvent(viewId, REACT_ON_LOAD_END_EVENT, new WritableNativeMap());
    return false;
}

private WritableMap convertLocationToJSON(Location l) {
    WritableMap params = new WritableNativeMap();
    params.putDouble("latitude", l.getLatitude());
    params.putDouble("longitude", l.getLongitude());
    params.putDouble("accuracy", l.getAccuracy());
    params.putDouble("altitude", l.getAltitude());
    params.putDouble("bearing", l.getBearing());
    params.putString("provider", l.getProvider());
    params.putDouble("speed", l.getSpeed());
    params.putString("timestamp", Long.toString(l.getTime()));
    boolean isMock = false;
    if (android.os.Build.VERSION.SDK_INT >= 18) {
        isMock = l.isFromMockProvider();
    } else {
        isMock = !Settings.Secure.getString(getReactApplicationContext().getContentResolver(), Settings.Secure.ALLOW_MOCK_LOCATION).equals("0");
    }
    params.putBoolean("mocked", isMock);
    return params;
}

@Override
public void onReceive(Context context, Intent intent) {
  final String action = intent.getAction();

  if (action != null && action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
    final int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE,
            BluetoothAdapter.ERROR);
    boolean active = false;
    switch (state) {
      case BluetoothAdapter.STATE_OFF:
        active = false;
        break;
      case BluetoothAdapter.STATE_ON:
        active = true;
        break;
    }

    final WritableMap eventMap = new WritableNativeMap();
    eventMap.putString(EVENT_TYPE, "bluetooth");
    eventMap.putBoolean(EVENT_STATUS, active);
    getReactApplicationContext().getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class).emit(RN_CONNECTIVITY_STATUS_TOPIC, eventMap);
  }
}

private void attachMeasuredRootViewToInstance(
    ReactRootView rootView,
    CatalystInstance catalystInstance) {
  Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "attachMeasuredRootViewToInstance");
  UiThreadUtil.assertOnUiThread();

  // Reset view content as it's going to be populated by the application content from JS
  rootView.removeAllViews();
  rootView.setId(View.NO_ID);

  UIManagerModule uiManagerModule = catalystInstance.getNativeModule(UIManagerModule.class);
  int rootTag = uiManagerModule.addMeasuredRootView(rootView);
  rootView.setRootViewTag(rootTag);
  @Nullable Bundle launchOptions = rootView.getLaunchOptions();
  WritableMap initialProps = Arguments.makeNativeMap(launchOptions);
  String jsAppModuleName = rootView.getJSModuleName();

  WritableNativeMap appParams = new WritableNativeMap();
  appParams.putDouble("rootTag", rootTag);
  appParams.putMap("initialProps", initialProps);
  catalystInstance.getJSModule(AppRegistry.class).runApplication(jsAppModuleName, appParams);
  rootView.onAttachedToReactInstance();
  Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
}

private static void addEntry(WritableNativeMap nativeMap, String key, Object value) {
  value = makeNativeObject(value);
  if (value == null) {
    nativeMap.putNull(key);
  } else if (value instanceof Boolean) {
    nativeMap.putBoolean(key, (Boolean) value);
  } else if (value instanceof Integer) {
    nativeMap.putInt(key, (Integer) value);
  } else if (value instanceof Number) {
    nativeMap.putDouble(key, ((Number) value).doubleValue());
  } else if (value instanceof String) {
    nativeMap.putString(key, (String) value);
  } else if (value instanceof WritableNativeArray) {
    nativeMap.putArray(key, (WritableNativeArray) value);
  } else if (value instanceof WritableNativeMap) {
    nativeMap.putMap(key, (WritableNativeMap) value);
  } else {
    throw new IllegalArgumentException("Could not convert " + value.getClass());
  }
}

public void testShowBasicShareDialog() {
  final WritableMap content = new WritableNativeMap();
  content.putString("message", "Hello, ReactNative!");
  final WritableMap options = new WritableNativeMap();

  IntentFilter intentFilter = new IntentFilter(Intent.ACTION_CHOOSER);
  intentFilter.addCategory(Intent.CATEGORY_DEFAULT);
  ActivityMonitor monitor = getInstrumentation().addMonitor(intentFilter, null, true);

  getTestModule().showShareDialog(content, options);

  waitForBridgeAndUIIdle();
  getInstrumentation().waitForIdleSync();

  assertEquals(1, monitor.getHits());
  assertEquals(1, mRecordingModule.getOpened());
  assertEquals(0, mRecordingModule.getErrors());

}

public void testCallback() throws Throwable {
  final WritableMap options = new WritableNativeMap();
  options.putDouble("date", getDateInMillis(2020, 5, 6));

  final DialogFragment datePickerFragment = showDialog(options);

  runTestOnUiThread(
      new Runnable() {
        @Override
        public void run() {
          ((DatePickerDialog) datePickerFragment.getDialog())
              .getButton(DialogInterface.BUTTON_POSITIVE).performClick();
        }
      });

  getInstrumentation().waitForIdleSync();
  waitForBridgeAndUIIdle();

  assertEquals(0, mRecordingModule.getErrors());
  assertEquals(1, mRecordingModule.getDates().size());
  assertEquals(2020, (int) mRecordingModule.getDates().get(0)[0]);
  assertEquals(5, (int) mRecordingModule.getDates().get(0)[1]);
  assertEquals(6, (int) mRecordingModule.getDates().get(0)[2]);
}

public void testMapWithArrays() {
  WritableNativeMap map = new WritableNativeMap();
  WritableNativeArray a1 = new WritableNativeArray();
  WritableNativeArray a2 = new WritableNativeArray();
  a1.pushDouble(3);
  a1.pushDouble(1);
  a1.pushDouble(4);
  a2.pushDouble(1);
  a2.pushDouble(9);
  map.putArray("array1", a1);
  map.putArray("array2", a2);

  mInstance.getJSModule(TestJavaToJSArgumentsModule.class).receiveMapWithArrays(map);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();
}

public void testMapWithNullStringValue() {
  WritableNativeMap map = new WritableNativeMap();
  map.putString("string", null);
  map.putArray("array", null);
  map.putMap("map", null);

  WritableNativeArray array = new WritableNativeArray();
  array.pushString(null);
  array.pushArray(null);
  array.pushMap(null);

  mInstance.getJSModule(TestJavaToJSArgumentsModule.class)
      .receiveMapAndArrayWithNullValues(map, array);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();
}

public void testStringWithMultibyteUTF8Characters() {
  TestJavaToJSArgumentsModule jsModule = mInstance.getJSModule(TestJavaToJSArgumentsModule.class);

  WritableNativeMap map = new WritableNativeMap();
  map.putString("two-bytes", "\u00A2");
  map.putString("three-bytes", "\u20AC");
  map.putString("four-bytes", "\uD83D\uDE1C");
  map.putString(
      "mixed",
      "\u017C\u00F3\u0142\u0107 g\u0119\u015Bl\u0105 \u6211 \uD83D\uDE0E ja\u017A\u0107");

  jsModule.receiveMapWithMultibyteUTF8CharacterString(map);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();

  WritableArray array = new WritableNativeArray();
  array.pushString("\u00A2");
  array.pushString("\u20AC");
  array.pushString("\uD83D\uDE1C");
  array.pushString(
      "\u017C\u00F3\u0142\u0107 g\u0119\u015Bl\u0105 \u6211 \uD83D\uDE0E ja\u017A\u0107");

  jsModule.receiveArrayWithMultibyteUTF8CharacterString(array);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();
}

private static void addEntry(WritableNativeMap nativeMap, String key, Object value) {
  value = makeNativeObject(value);
  if (value == null) {
    nativeMap.putNull(key);
  } else if (value instanceof Boolean) {
    nativeMap.putBoolean(key, (Boolean) value);
  } else if (value instanceof Integer) {
    nativeMap.putInt(key, (Integer) value);
  } else if (value instanceof Number) {
    nativeMap.putDouble(key, ((Number) value).doubleValue());
  } else if (value instanceof String) {
    nativeMap.putString(key, (String) value);
  } else if (value instanceof WritableNativeArray) {
    nativeMap.putArray(key, (WritableNativeArray) value);
  } else if (value instanceof WritableNativeMap) {
    nativeMap.putMap(key, (WritableNativeMap) value);
  } else {
    throw new IllegalArgumentException("Could not convert " + value.getClass());
  }
}

@DoNotStrip
public NativeArray getConstants() {
  BaseJavaModule baseJavaModule = getModule();
  ReactMarker.logMarker(GET_CONSTANTS_START, getName());
  SystraceMessage.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "Map constants")
    .arg("moduleName", getName())
    .flush();
  Map<String, Object> map = baseJavaModule.getConstants();
  Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);

  SystraceMessage.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "WritableNativeMap constants")
    .arg("moduleName", getName())
    .flush();
  ReactMarker.logMarker(CONVERT_CONSTANTS_START, getName());
  WritableNativeMap writableNativeMap;
  try {
    writableNativeMap = Arguments.makeNativeMap(map);
  } finally {
    Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
  }
  WritableNativeArray array = new WritableNativeArray();
  array.pushMap(writableNativeMap);
  ReactMarker.logMarker(CONVERT_CONSTANTS_END);
  ReactMarker.logMarker(GET_CONSTANTS_END);
  return array;
}

public void testShowBasicShareDialog() {
  final WritableMap content = new WritableNativeMap();
  content.putString("message", "Hello, ReactNative!");
  final WritableMap options = new WritableNativeMap();

  IntentFilter intentFilter = new IntentFilter(Intent.ACTION_CHOOSER);
  intentFilter.addCategory(Intent.CATEGORY_DEFAULT);
  ActivityMonitor monitor = getInstrumentation().addMonitor(intentFilter, null, true);

  getTestModule().showShareDialog(content, options);

  waitForBridgeAndUIIdle();
  getInstrumentation().waitForIdleSync();

  assertEquals(1, monitor.getHits());
  assertEquals(1, mRecordingModule.getOpened());
  assertEquals(0, mRecordingModule.getErrors());

}

public void testCallback() throws Throwable {
  final WritableMap options = new WritableNativeMap();
  options.putDouble("date", getDateInMillis(2020, 5, 6));

  final DialogFragment datePickerFragment = showDialog(options);

  runTestOnUiThread(
      new Runnable() {
        @Override
        public void run() {
          ((DatePickerDialog) datePickerFragment.getDialog())
              .getButton(DialogInterface.BUTTON_POSITIVE).performClick();
        }
      });

  getInstrumentation().waitForIdleSync();
  waitForBridgeAndUIIdle();

  assertEquals(0, mRecordingModule.getErrors());
  assertEquals(1, mRecordingModule.getDates().size());
  assertEquals(2020, (int) mRecordingModule.getDates().get(0)[0]);
  assertEquals(5, (int) mRecordingModule.getDates().get(0)[1]);
  assertEquals(6, (int) mRecordingModule.getDates().get(0)[2]);
}

public void testMapWithArrays() {
  WritableNativeMap map = new WritableNativeMap();
  WritableNativeArray a1 = new WritableNativeArray();
  WritableNativeArray a2 = new WritableNativeArray();
  a1.pushDouble(3);
  a1.pushDouble(1);
  a1.pushDouble(4);
  a2.pushDouble(1);
  a2.pushDouble(9);
  map.putArray("array1", a1);
  map.putArray("array2", a2);

  mInstance.getJSModule(TestJavaToJSArgumentsModule.class).receiveMapWithArrays(map);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();
}

public void testMapWithNullStringValue() {
  WritableNativeMap map = new WritableNativeMap();
  map.putString("string", null);
  map.putArray("array", null);
  map.putMap("map", null);

  WritableNativeArray array = new WritableNativeArray();
  array.pushString(null);
  array.pushArray(null);
  array.pushMap(null);

  mInstance.getJSModule(TestJavaToJSArgumentsModule.class)
      .receiveMapAndArrayWithNullValues(map, array);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();
}

public void testStringWithMultibyteUTF8Characters() {
  TestJavaToJSArgumentsModule jsModule = mInstance.getJSModule(TestJavaToJSArgumentsModule.class);

  WritableNativeMap map = new WritableNativeMap();
  map.putString("two-bytes", "\u00A2");
  map.putString("three-bytes", "\u20AC");
  map.putString("four-bytes", "\uD83D\uDE1C");
  map.putString(
      "mixed",
      "\u017C\u00F3\u0142\u0107 g\u0119\u015Bl\u0105 \u6211 \uD83D\uDE0E ja\u017A\u0107");

  jsModule.receiveMapWithMultibyteUTF8CharacterString(map);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();

  WritableArray array = new WritableNativeArray();
  array.pushString("\u00A2");
  array.pushString("\u20AC");
  array.pushString("\uD83D\uDE1C");
  array.pushString(
      "\u017C\u00F3\u0142\u0107 g\u0119\u015Bl\u0105 \u6211 \uD83D\uDE0E ja\u017A\u0107");

  jsModule.receiveArrayWithMultibyteUTF8CharacterString(array);
  waitForBridgeAndUIIdle();
  mAssertModule.verifyAssertsAndReset();
}

private void resolveImage(final File imageFile, final Promise promise, boolean addToMediaStore) {
    final WritableMap response = new WritableNativeMap();
    response.putString("path", Uri.fromFile(imageFile).toString());

    if(addToMediaStore) {
        // borrowed from react-native CameraRollManager, it finds and returns the 'internal'
        // representation of the image uri that was just saved.
        // e.g. content://media/external/images/media/123
        MediaScannerConnection.scanFile(
                _reactContext,
                new String[]{imageFile.getAbsolutePath()},
                null,
                new MediaScannerConnection.OnScanCompletedListener() {
                    @Override
                    public void onScanCompleted(String path, Uri uri) {
                        if (uri != null) {
                            response.putString("mediaUri", uri.toString());
                        }

                        promise.resolve(response);
                    }
                });
    } else {
        promise.resolve(response);
    }
}

public static WritableMap convertJsonToMap(JSONObject jsonObject) throws JSONException {
    WritableMap map = new WritableNativeMap();

    Iterator<String> iterator = jsonObject.keys();
    while (iterator.hasNext()) {
        String key = iterator.next();
        Object value = jsonObject.get(key);
        if (value instanceof JSONObject) {
            map.putMap(key, convertJsonToMap((JSONObject) value));
        } else if (value instanceof JSONArray) {
            map.putArray(key, convertJsonToArray((JSONArray) value));
        } else if (value instanceof  Boolean) {
            map.putBoolean(key, (Boolean) value);
        } else if (value instanceof  Integer) {
            map.putInt(key, (Integer) value);
        } else if (value instanceof  Double) {
            map.putDouble(key, (Double) value);
        } else if (value instanceof String)  {
            map.putString(key, (String) value);
        } else {
            map.putString(key, value.toString());
        }
    }
    return map;
}

public static WritableMap convert(Output output) {
    WritableNativeMap shapeMap = new WritableNativeMap();
    shapeMap.putInt("numDimensions", output.shape().numDimensions());

    WritableNativeMap map = new WritableNativeMap();
    map.putInt("index", output.index());
    map.putString("dataType", output.dataType().name());
    map.putMap("shape", shapeMap);

    return map;
}

public static WritableMap jsonToWritableMap(JSONObject jsonObject) {
    WritableMap writableMap = new WritableNativeMap();

    if (jsonObject == null) {
        return null;
    }


    Iterator<String> iterator = jsonObject.keys();
    if (!iterator.hasNext()) {
        return null;
    }


    try {
        while (iterator.hasNext()) {
            String key = iterator.next();
            Object value = jsonObject.get(key);
            if (value == null) {
                writableMap.putNull(key);
            } else if (value instanceof Boolean) {
                writableMap.putBoolean(key, (Boolean) value);
            } else if (value instanceof Integer) {
                writableMap.putInt(key, (Integer) value);
            } else if (value instanceof Double) {
                writableMap.putDouble(key, (Double) value);
            } else if (value instanceof String) {
                writableMap.putString(key, (String) value);
            } else if (value instanceof JSONObject) {
                writableMap.putMap(key, jsonToWritableMap((JSONObject) value));
            } else if (value instanceof JSONArray) {
                writableMap.putArray(key, jsonArrayToWritableArray((JSONArray) value));
            }
        }
    } catch (JSONException ex){
            // Do nothing and fail silently
    }

    return writableMap;
}

@Override
public void onServiceConnected(ComponentName name, IBinder service) {
    HSinterface = (HSInterface) service;
    int i = 2;
    while (i > 0) {
        i--;
        int ret = HSinterface.init();
        if (ret == 1) {
            i = 0;
            WritableMap result = new WritableNativeMap();
            String sam = HSinterface.GetSAM();
            result.putString("code", "1");
            result.putString("sam", sam);
            mPromise.resolve(result);
            return;
        } else {
            try {
                Thread.sleep(200);
            } catch (InterruptedException e) {
                e.printStackTrace();
                mPromise.reject("0", "connect failed");
            }
            continue;
        }
    }
    mPromise.reject("0", "connect failed");
}

@Override
public void onProgress(String key, long bytesRead, long expectedLength) {
    List<ImageViewWithUrl> viewsForKey = VIEWS_FOR_URLS.get(key);
    if (viewsForKey != null) {
        for (ImageViewWithUrl view: viewsForKey) {
            WritableMap event = new WritableNativeMap();
            event.putInt("loaded", (int) bytesRead);
            event.putInt("total", (int) expectedLength);
            ThemedReactContext context = (ThemedReactContext) view.getContext();
            RCTEventEmitter eventEmitter = context.getJSModule(RCTEventEmitter.class);
            int viewId = view.getId();
            eventEmitter.receiveEvent(viewId, REACT_ON_PROGRESS_EVENT, event);
        }
    }
}

@Override
public void onEventCallback(final String name, final ReadableMap info, final MSREventBridgeReceiverCallback callback) {
    Log.d(ReactConstants.TAG, this.getClass().getName() + ": Received event with callback: ".concat(name));

    final String activityClassName = this.getClass().getSimpleName();

    // Example how to load some async data
    if (name.equals(LoadDataEventName)) {
        final int count = info.getInt("count");

        // Simulate some data loading delay
        final Handler handler = new Handler();
        handler.postDelayed(new Runnable() {
            @Override
            public void run() {
                WritableArray array = new WritableNativeArray();
                for (int i = 0; i < count; i++) {
                    array.pushString("Row " + i + " - " + activityClassName);
                }
                callback.onSuccess(array);
            }
        }, 2000);

        return;
    }

    // Emit callback
    WritableMap map = new WritableNativeMap();
    map.putString("key", "value");
    callback.onSuccess(map);
}

@ReactMethod
public void getMonitoredRegions(Callback callback) {
    WritableArray array = new WritableNativeArray();
    for (Region region: mBeaconManager.getMonitoredRegions()) {
        WritableMap map = new WritableNativeMap();
        map.putString("identifier", region.getUniqueId());
        map.putString("uuid", region.getId1().toString());
        map.putInt("major", region.getId2() != null ? region.getId2().toInt() : 0);
        map.putInt("minor", region.getId3() != null ? region.getId3().toInt() : 0);
        array.pushMap(map);
    }
    callback.invoke(array);
}

@ReactMethod
public void getRangedRegions(Callback callback) {
    WritableArray array = new WritableNativeArray();
    for (Region region: mBeaconManager.getRangedRegions()) {
        WritableMap map = new WritableNativeMap();
        map.putString("region", region.getUniqueId());
        map.putString("uuid", region.getId1().toString());
        array.pushMap(map);
    }
    callback.invoke(array);
}

private WritableMap createMonitoringResponse(Region region) {
    WritableMap map = new WritableNativeMap();
    map.putString("identifier", region.getUniqueId());
    map.putString("uuid", region.getId1().toString());
    map.putInt("major", region.getId2() != null ? region.getId2().toInt() : 0);
    map.putInt("minor", region.getId3() != null ? region.getId3().toInt() : 0);
    return map;
}

@Override
public void onReceive(Context context, Intent intent) {
  final boolean locationEnabled = intent.getAction() != null
          && intent.getAction().matches(LocationManager.PROVIDERS_CHANGED_ACTION)
          && checkLocation();

  final WritableMap eventMap = new WritableNativeMap();
  eventMap.putString(EVENT_TYPE, "location");
  eventMap.putBoolean(EVENT_STATUS, locationEnabled);
  getReactApplicationContext().getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class).emit(RN_CONNECTIVITY_STATUS_TOPIC, eventMap);
}

@Override
public void onTimeSet(TimePicker view, int hour, int minute) {
  if (!mPromiseResolved && getReactApplicationContext().hasActiveCatalystInstance()) {
    WritableMap result = new WritableNativeMap();
    result.putString("action", ACTION_TIME_SET);
    result.putInt("hour", hour);
    result.putInt("minute", minute);
    mPromise.resolve(result);
    mPromiseResolved = true;
  }
}

@Override
public void onDismiss(DialogInterface dialog) {
  if (!mPromiseResolved && getReactApplicationContext().hasActiveCatalystInstance()) {
    WritableMap result = new WritableNativeMap();
    result.putString("action", ACTION_DISMISSED);
    mPromise.resolve(result);
    mPromiseResolved = true;
  }
}

private static void putPageInfo(Cursor photos, WritableMap response, int limit) {
  WritableMap pageInfo = new WritableNativeMap();
  pageInfo.putBoolean("has_next_page", limit < photos.getCount());
  if (limit < photos.getCount()) {
    photos.moveToPosition(limit - 1);
    pageInfo.putString(
        "end_cursor",
        photos.getString(photos.getColumnIndex(Images.Media.DATE_TAKEN)));
  }
  response.putMap("page_info", pageInfo);
}

private static void putEdges(
    ContentResolver resolver,
    Cursor photos,
    WritableMap response,
    int limit) {
  WritableArray edges = new WritableNativeArray();
  photos.moveToFirst();
  int idIndex = photos.getColumnIndex(Images.Media._ID);
  int mimeTypeIndex = photos.getColumnIndex(Images.Media.MIME_TYPE);
  int groupNameIndex = photos.getColumnIndex(Images.Media.BUCKET_DISPLAY_NAME);
  int dateTakenIndex = photos.getColumnIndex(Images.Media.DATE_TAKEN);
  int widthIndex = IS_JELLY_BEAN_OR_LATER ? photos.getColumnIndex(Images.Media.WIDTH) : -1;
  int heightIndex = IS_JELLY_BEAN_OR_LATER ? photos.getColumnIndex(Images.Media.HEIGHT) : -1;
  int longitudeIndex = photos.getColumnIndex(Images.Media.LONGITUDE);
  int latitudeIndex = photos.getColumnIndex(Images.Media.LATITUDE);

  for (int i = 0; i < limit && !photos.isAfterLast(); i++) {
    WritableMap edge = new WritableNativeMap();
    WritableMap node = new WritableNativeMap();
    boolean imageInfoSuccess =
        putImageInfo(resolver, photos, node, idIndex, widthIndex, heightIndex);
    if (imageInfoSuccess) {
      putBasicNodeInfo(photos, node, mimeTypeIndex, groupNameIndex, dateTakenIndex);
      putLocationInfo(photos, node, longitudeIndex, latitudeIndex);

      edge.putMap("node", node);
      edges.pushMap(edge);
    } else {
      // we skipped an image because we couldn't get its details (e.g. width/height), so we
      // decrement i in order to correctly reach the limit, if the cursor has enough rows
      i--;
    }
    photos.moveToNext();
  }
  response.putArray("edges", edges);
}