Added the option to disable the volume buttons for capturing photos

Author: AlexLittlejohn

ALCameraViewController/ViewController/CameraViewController.swift

@@ -48,6 +48,7 @@ open class CameraViewController: UIViewController {
     var didUpdateViews = false
     var allowCropping = false
     var animationRunning = false
+    let allowVolumeButtonCapture: Bool
 
     var lastInterfaceOrientation : UIInterfaceOrientation?
     open var onCompletion: CameraViewCompletion?
@@ -158,8 +159,9 @@ open class CameraViewController: UIViewController {
 
 	private let allowsLibraryAccess: Bool
 
-	public init(croppingEnabled: Bool, allowsLibraryAccess: Bool = true, allowsSwapCameraOrientation: Bool = true, completion: @escaping CameraViewCompletion) {
+    public init(croppingEnabled: Bool, allowsLibraryAccess: Bool = true, allowsSwapCameraOrientation: Bool = true, allowVolumeButtonCapture: Bool = true, completion: @escaping CameraViewCompletion) {
 		self.allowsLibraryAccess = allowsLibraryAccess
+        self.allowVolumeButtonCapture = allowVolumeButtonCapture
         super.init(nibName: nil, bundle: nil)
         onCompletion = completion
         allowCropping = croppingEnabled
@@ -277,7 +279,10 @@ open class CameraViewController: UIViewController {
         cameraView.startSession()
         addCameraObserver()
         addRotateObserver()
-        setupVolumeControl()
+
+        if allowVolumeButtonCapture {
+            setupVolumeControl()
+        }
     }
 
     /**