Add internal prop determining if barcode scanner is wanted.

android/src/main/java/com/lwansbrough/RCTCamera/RCTCamera.java

@@ -17,6 +17,7 @@ public class RCTCamera {
     private final HashMap<Integer, CameraInfoWrapper> _cameraInfos;
     private final HashMap<Integer, Integer> _cameraTypeToIndex;
     private final Map<Number, Camera> _cameras;
+    private boolean _barcodeScannerEnabled = false;
     private int _orientation = -1;
     private int _actualDeviceOrientation = 0;
     private int _adjustedDeviceOrientation = 0;
@@ -134,6 +135,14 @@ public class RCTCamera {
         adjustPreviewLayout(RCTCameraModule.RCT_CAMERA_TYPE_BACK);
     }
 
+    public boolean isBarcodeScannerEnabled() {
+      return _barcodeScannerEnabled;
+    }
+
+    public void setBarcodeScannerEnabled(boolean barcodeScannerEnabled) {
+        _barcodeScannerEnabled = barcodeScannerEnabled;
+    }
+
     public int getActualDeviceOrientation() {
         return _actualDeviceOrientation;
     }

android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraView.java

@@ -105,6 +105,10 @@ public class RCTCameraView extends ViewGroup {
         }
     }
 
+    public void setBarcodeScannerEnabled(boolean barcodeScannerEnabled) {
+        RCTCamera.getInstance().setBarcodeScannerEnabled(barcodeScannerEnabled);
+    }
+
     private boolean setActualDeviceOrientation(Context context) {
         int actualDeviceOrientation = getDeviceOrientation(context);
         if (_actualDeviceOrientation != actualDeviceOrientation) {

android/src/main/java/com/lwansbrough/RCTCamera/RCTCameraViewManager.java

@@ -61,4 +61,9 @@ public class RCTCameraViewManager extends ViewGroupManager<RCTCameraView> {
     public void setCaptureAudio(RCTCameraView view, boolean captureAudio) {
         // TODO - implement video mode
     }
+
+    @ReactProp(name = "barcodeScannerEnabled")
+    public void setBarcodeScannerEnabled(RCTCameraView view, boolean barcodeScannerEnabled) {
+      view.setBarcodeScannerEnabled(barcodeScannerEnabled);
+    }
 }