diff --git a/FilterLayer/Assets.xcassets/AppIcon.appiconset/Contents.json b/FilterLayer/Assets.xcassets/AppIcon.appiconset/Contents.json
index eeea76c..d8db8d6 100644
--- a/FilterLayer/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/FilterLayer/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -1,5 +1,15 @@
 {
   "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
     {
       "idiom" : "iphone",
       "size" : "29x29",
@@ -30,6 +40,16 @@
       "size" : "60x60",
       "scale" : "3x"
     },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
     {
       "idiom" : "ipad",
       "size" : "29x29",
@@ -64,6 +84,11 @@
       "idiom" : "ipad",
       "size" : "83.5x83.5",
       "scale" : "2x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
     }
   ],
   "info" : {
diff --git a/FilterLayer/BKFilter/BKFilterView.swift b/FilterLayer/BKFilter/BKFilterView.swift
index 5880034..b30259d 100644
--- a/FilterLayer/BKFilter/BKFilterView.swift
+++ b/FilterLayer/BKFilter/BKFilterView.swift
@@ -106,12 +106,12 @@ class BKFilterView: UIView {
     
     //MARK:- Control functions
     
-    internal func setExcludedViews(views: [UIView]?)
+    func setExcludedViews(views: [UIView]?)
     {
         presetExcludedViews = views
     }
     
-    internal func revealCircular(duration: CFTimeInterval = 0.3, completion: (() -> Void)?)
+    func revealCircular(duration: CFTimeInterval = 0.3, completion: (() -> Void)?)
     {
         self.isUserInteractionEnabled = false
         
@@ -149,7 +149,7 @@ class BKFilterView: UIView {
         CATransaction.commit()
     }
     
-    internal func hideCircular(duration: CFTimeInterval = 0.3, completion: (() -> Void)?)
+    func hideCircular(duration: CFTimeInterval = 0.3, completion: (() -> Void)?)
     {
         self.isUserInteractionEnabled = false
         
diff --git a/FilterLayer/FilterDemonstationViewController.swift b/FilterLayer/FilterDemonstationViewController.swift
index f95ef7b..f5dfd45 100644
--- a/FilterLayer/FilterDemonstationViewController.swift
+++ b/FilterLayer/FilterDemonstationViewController.swift
@@ -54,7 +54,7 @@ class FilterDemonstationViewController: UIViewController, BKFilterViewDelegate {
     
     //MARK:- Control functions
     
-    internal func setFiltertype(type: BKFilterType) {
+    func setFiltertype(type: BKFilterType) {
         
         self.title = type.rawValue
         filterType = type
@@ -67,7 +67,7 @@ class FilterDemonstationViewController: UIViewController, BKFilterViewDelegate {
         filterView.autoresizingMask = [UIView.AutoresizingMask.flexibleLeftMargin, .flexibleRightMargin, .flexibleTopMargin ,.flexibleBottomMargin]
         self.view.addSubview(filterView)
         
-        let gesture = UIPanGestureRecognizer(target: self, action: Selector(("viewDragged:")))
+        let gesture = UIPanGestureRecognizer(target: self, action: #selector((viewDragged(gesture:))))
         gesture.cancelsTouchesInView = false
         filterView.addGestureRecognizer(gesture)
         
@@ -78,12 +78,12 @@ class FilterDemonstationViewController: UIViewController, BKFilterViewDelegate {
     
     //MARK:- BKFilterViewDelegate
     
-    internal func exculdedViews() -> [UIView]?
+    func exculdedViews() -> [UIView]?
     {
         return nil
     }
     
-    internal func manipulateFilterContext( context: inout CGContext, rect: CGRect) {
+    func manipulateFilterContext( context: inout CGContext, rect: CGRect) {
         
         var filterValues = [String: AnyObject?]()
         let centerVector = CIVector(x: rect.size.width*1.5, y: rect.size.height*1.5)
@@ -109,7 +109,7 @@ class FilterDemonstationViewController: UIViewController, BKFilterViewDelegate {
     
     //MARK:- Private functions
     
-    internal func viewDragged(gesture: UIPanGestureRecognizer)
+    @objc func viewDragged(gesture: UIPanGestureRecognizer)
     {
         let filterView = gesture.view as! BKFilterView
         let translation = gesture.translation(in: filterView) as CGPoint
@@ -146,7 +146,7 @@ class FilterDemonstationViewController: UIViewController, BKFilterViewDelegate {
     
     //MARK:- Button actions
     
-    @objc internal func leftMenuButtonAction(button: UIButton)
+    @objc func leftMenuButtonAction(button: UIButton)
     {
         self.navigationController?.dismiss(animated: true, completion: { () -> Void in
         })