diff --git a/Camera.js b/Camera.js
index 29c4f82..57fd060 100644
--- a/Camera.js
+++ b/Camera.js
@@ -12,7 +12,7 @@ import {
 const CameraManager = NativeModules.CameraManager || NativeModules.CameraModule;
 const CAMERA_REF = 'camera';
 
-function convertStringProps(props) {
+function convertNativeProps(props) {
   const newProps = { ...props };
   if (typeof props.aspect === 'string') {
     newProps.aspect = Camera.constants.Aspect[props.aspect];
@@ -42,6 +42,11 @@ function convertStringProps(props) {
     newProps.captureMode = Camera.constants.CaptureMode[props.captureMode];
   }
 
+  // do not register barCodeTypes if no barcode listener
+  if (typeof props.onBarCodeRead !== 'function') {
+    newProps.barCodeTypes = [];
+  }
+
   return newProps;
 }
 
@@ -117,7 +122,7 @@ export default class Camera extends Component {
     playSoundOnCapture: true,
     torchMode: CameraManager.TorchMode.off,
     mirrorImage: false,
-    barCodeTypes: [],
+    barCodeTypes: Object.keys(CameraManager.BarCodeType),
   };
 
   static checkDeviceAuthorizationStatus = CameraManager.checkDeviceAuthorizationStatus;
@@ -159,15 +164,16 @@ export default class Camera extends Component {
 
   render() {
     const style = [styles.base, this.props.style];
-    const nativeProps = convertStringProps(this.props);
+    const nativeProps = convertNativeProps(this.props);
 
     return <RCTCamera ref={CAMERA_REF} {...nativeProps} />;
   }
 
   capture(options) {
-    const props = convertStringProps(this.props);
+    const props = convertNativeProps(this.props);
     options = {
       audio: props.captureAudio,
+      barCodeTypes: props.barCodeTypes,
       mode: props.captureMode,
       playSoundOnCapture: props.playSoundOnCapture,
       target: props.captureTarget,
diff --git a/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java b/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java
index 0dde182..bdd033b 100644
--- a/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java
+++ b/android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraModule.java
@@ -70,6 +70,7 @@ public class RCTCameraModule extends ReactContextBaseJavaModule {
         return Collections.unmodifiableMap(new HashMap<String, Object>() {
             {
                 put("Aspect", getAspectConstants());
+                put("BarCodeType", getBarCodeConstants());
                 put("Type", getTypeConstants());
                 put("CaptureQuality", getCaptureQualityConstants());
                 put("CaptureMode", getCaptureModeConstants());
@@ -89,6 +90,14 @@ public class RCTCameraModule extends ReactContextBaseJavaModule {
                 });
             }
 
+            private Map<String, Object> getBarCodeConstants() {
+                return Collections.unmodifiableMap(new HashMap<String, Object>() {
+                    {
+                        // @TODO add barcode types
+                    }
+                });
+            }
+
             private Map<String, Object> getTypeConstants() {
                 return Collections.unmodifiableMap(new HashMap<String, Object>() {
                     {
@@ -174,7 +183,7 @@ public class RCTCameraModule extends ReactContextBaseJavaModule {
             MediaActionSound sound = new MediaActionSound();
             sound.play(MediaActionSound.SHUTTER_CLICK);
         }
-        
+
         RCTCamera.getInstance().setCaptureQuality(options.getInt("type"), options.getString("quality"));
         camera.takePicture(null, null, new Camera.PictureCallback() {
             @Override
diff --git a/ios/RCTCameraManager.m b/ios/RCTCameraManager.m
index 624ca36..2c64f1a 100644
--- a/ios/RCTCameraManager.m
+++ b/ios/RCTCameraManager.m
@@ -48,26 +48,26 @@ RCT_EXPORT_VIEW_PROPERTY(barCodeTypes, NSStringArray);
                @"fill": @(RCTCameraAspectFill)
                },
            @"BarCodeType": @{
-                   @"upce": AVMetadataObjectTypeUPCECode,
-                   @"code39": AVMetadataObjectTypeCode39Code,
-                   @"code39mod43": AVMetadataObjectTypeCode39Mod43Code,
-                   @"ean13": AVMetadataObjectTypeEAN13Code,
-                   @"ean8":  AVMetadataObjectTypeEAN8Code,
-                   @"code93": AVMetadataObjectTypeCode93Code,
-                   @"code138": AVMetadataObjectTypeCode128Code,
-                   @"pdf417": AVMetadataObjectTypePDF417Code,
-                   @"qr": AVMetadataObjectTypeQRCode,
-                   @"aztec": AVMetadataObjectTypeAztecCode
-                   #ifdef AVMetadataObjectTypeInterleaved2of5Code
-                   ,@"interleaved2of5": AVMetadataObjectTypeInterleaved2of5Code
-                   # endif
-                   #ifdef AVMetadataObjectTypeITF14Code
-                   ,@"itf14": AVMetadataObjectTypeITF14Code
-                   # endif
-                   #ifdef AVMetadataObjectTypeDataMatrixCode
-                   ,@"datamatrix": AVMetadataObjectTypeDataMatrixCode
-                   # endif
-                   },
+               @"upce": AVMetadataObjectTypeUPCECode,
+               @"code39": AVMetadataObjectTypeCode39Code,
+               @"code39mod43": AVMetadataObjectTypeCode39Mod43Code,
+               @"ean13": AVMetadataObjectTypeEAN13Code,
+               @"ean8":  AVMetadataObjectTypeEAN8Code,
+               @"code93": AVMetadataObjectTypeCode93Code,
+               @"code138": AVMetadataObjectTypeCode128Code,
+               @"pdf417": AVMetadataObjectTypePDF417Code,
+               @"qr": AVMetadataObjectTypeQRCode,
+               @"aztec": AVMetadataObjectTypeAztecCode
+               #ifdef AVMetadataObjectTypeInterleaved2of5Code
+               ,@"interleaved2of5": AVMetadataObjectTypeInterleaved2of5Code
+               # endif
+               #ifdef AVMetadataObjectTypeITF14Code
+               ,@"itf14": AVMetadataObjectTypeITF14Code
+               # endif
+               #ifdef AVMetadataObjectTypeDataMatrixCode
+               ,@"datamatrix": AVMetadataObjectTypeDataMatrixCode
+               # endif
+               },
            @"Type": @{
                @"front": @(RCTCameraTypeFront),
                @"back": @(RCTCameraTypeBack)
@@ -157,7 +157,7 @@ RCT_EXPORT_METHOD(checkDeviceAuthorizationStatus:(RCTPromiseResolveBlock)resolve
 RCT_EXPORT_METHOD(checkVideoAuthorizationStatus:(RCTPromiseResolveBlock)resolve
                   reject:(__unused RCTPromiseRejectBlock)reject) {
     __block NSString *mediaType = AVMediaTypeVideo;
-    
+
     [AVCaptureDevice requestAccessForMediaType:mediaType completionHandler:^(BOOL granted) {
         resolve(@(granted));
     }];
@@ -669,7 +669,7 @@ didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL
   AVAssetTrack* videoTrack = [[videoAsAsset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0];
   float videoWidth;
   float videoHeight;
-  
+
   CGSize videoSize = [videoTrack naturalSize];
   CGAffineTransform txf = [videoTrack preferredTransform];
 
@@ -682,14 +682,14 @@ didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL
     videoWidth = videoSize.height;
     videoHeight = videoSize.width;
   }
-  
+
   NSMutableDictionary *videoInfo = [NSMutableDictionary dictionaryWithDictionary:@{
      @"duration":[NSNumber numberWithFloat:CMTimeGetSeconds(videoAsAsset.duration)],
      @"width":[NSNumber numberWithFloat:videoWidth],
      @"height":[NSNumber numberWithFloat:videoHeight],
      @"size":[NSNumber numberWithLongLong:captureOutput.recordedFileSize],
   }];
-    
+
   if (self.videoTarget == RCTCameraCaptureTargetCameraRoll) {
     ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
     if ([library videoAtPathIsCompatibleWithSavedPhotosAlbum:outputFileURL]) {