fixed constraint ambiguity

.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

RoundCode.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'RoundCode'
-  s.version          = '1.0.0'
+  s.version          = '1.0.1'
   s.summary          = 'Facebook messenger style custom barcode.'
   s.description      = <<-DESC
                      Encode and decode data into custom stylish barcode.

Sources/Public/RCCameraViewController.swift

@@ -42,8 +42,9 @@ public final class RCCameraViewController: UIViewController, UIImagePickerContro
   private var circleLayer = CAShapeLayer()
   private lazy var cameraView: UIView = {
     let cameraView = UIView()
-    cameraView.backgroundColor = .black
+    cameraView.backgroundColor = .clear
     self.view.addSubview(cameraView)
+    cameraView.translatesAutoresizingMaskIntoConstraints = false
     cameraView.leadingAnchor.constraint(equalTo: self.view.leadingAnchor, constant: 0).isActive = true
     cameraView.trailingAnchor.constraint(equalTo: self.view.trailingAnchor, constant: 0).isActive = true
     cameraView.topAnchor.constraint(equalTo: self.view.topAnchor, constant: 0).isActive = true