Merge master and add Readme

README.md

@@ -55,6 +55,12 @@ And in the package list in the same file (e.g. `getPackages`) add:
 + new RNCameraKitPackage()
 ```
 
+Add to `proguard-rules.pro` file:
+
+```diff
++ -dontwarn com.google.zxing.qrcode.decoder.**
+```
+
 ## Running the example project
 
 - ```cd old-example```

android/src/main/java/com/wix/RNCameraKit/camera/permission/CameraPermission.java

@@ -37,9 +37,12 @@ public class CameraPermission {
     }
 
     private boolean isCameraPermission(int requestCode, String[] permissions) {
+        if (permissions.length > 0) {
             return requestCode == CAMERA_PERMISSION_REQUEST_CODE &&
                     Manifest.permission.CAMERA.equals(permissions[0]);
         }
+        return false;
+    }
 
     public int checkAuthorizationStatus(Activity activity) {
         final int statusCode = PermissionChecker.checkCallingOrSelfPermission(activity, Manifest.permission.CAMERA);