Update README.md

Update README.md

.swift-version

@@ -0,0 +1 @@
+4.2

GlidingCollection.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'GlidingCollection'
-  s.version      = '1.0.3'
+  s.version      = '2.1.0'
   s.summary      = 'GlidingCollection'
   s.license      = 'MIT'
   s.homepage     = 'https://github.com/Ramotion/gliding-collection'

GlidingCollection.xcodeproj/project.pbxproj

@@ -358,25 +358,26 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0820;
-				LastUpgradeCheck = 0820;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = "Ramotion Inc";
 				TargetAttributes = {
 					9D56EE9E1E6B2D5E008C3698 = {
 						CreatedOnToolsVersion = 8.2.1;
 						DevelopmentTeam = 2VFCBFYPFW;
-						LastSwiftMigration = 0820;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 					9D56EEAD1E6B2D82008C3698 = {
 						CreatedOnToolsVersion = 8.2.1;
 						DevelopmentTeam = 2VFCBFYPFW;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 					};
 				};
 			};
 			buildConfigurationList = 9D56EE991E6B2D5E008C3698 /* Build configuration list for PBXProject "GlidingCollection" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -499,20 +500,29 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -552,20 +562,29 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -612,7 +631,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -633,7 +652,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.glidingCollection;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -648,7 +667,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.glidingCollectionDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -664,7 +683,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.glidingCollectionDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;

GlidingCollection.xcodeproj/xcshareddata/xcschemes/GlidingCollection.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

GlidingCollection/Extensions/Collection.swift

@@ -10,7 +10,7 @@ import Foundation
 
 // :nodoc:
 extension Collection {
-  subscript(safe index: Index) -> Generator.Element? {
+  subscript(safe index: Index) -> Iterator.Element? {
     return index >= startIndex && index < endIndex ? self[index] : nil
   }
 }

GlidingCollection/GlidingCollection.swift

@@ -164,7 +164,7 @@ fileprivate extension GlidingCollection {
     collectionView.collectionViewLayout.invalidateLayout()
   }
   
-  fileprivate func setupVerticalStack() {
+    func setupVerticalStack() {
     guard
       let source = dataSource,
       source.numberOfItems(in: self) > 0 else {
@@ -205,7 +205,7 @@ fileprivate extension GlidingCollection {
     addGestureRecognizer(gesture)
   }
   
-  fileprivate func setShadow(to view: UIView) {
+  func setShadow(to view: UIView) {
     view.clipsToBounds = false
     let layer = view.layer
     layer.shadowOffset = config.cardShadowOffset
@@ -342,7 +342,7 @@ extension GlidingCollection {
     collectionView.collectionViewLayout.invalidateLayout()
     if collectionView.numberOfItems(inSection: 0) > 0 {
       let path = IndexPath(item: 0, section: 0)
-      collectionView.scrollToItem(at: path, at: UICollectionViewScrollPosition.centeredHorizontally, animated: false)
+      collectionView.scrollToItem(at: path, at: UICollectionView.ScrollPosition.centeredHorizontally, animated: false)
     }
     collectionView.reloadData()
     collectionView.layoutIfNeeded()
@@ -424,27 +424,27 @@ extension GlidingCollection {
     }, completion: nil)
     
     if up, let movingButton = unified[safe: index], abs(oldIndex - index) <= 1 {
-      UIView.animate(withDuration: duration, delay: duration/3, options: UIViewAnimationOptions.curveEaseInOut, animations: {
+      UIView.animate(withDuration: duration, delay: duration/3, options: UIView.AnimationOptions.curveEaseInOut, animations: {
         if up {
           let insets = self.config.sideInsets
           movingButton.frame = CGRect(x: insets.left, y: self.collectionView.frame.minY - 40, width: bounds.width - insets.left - insets.right, height: 30)
         }
       }, completion: nil)
       
-      UIView.animate(withDuration: duration, delay: duration/2, options: UIViewAnimationOptions.curveEaseInOut, animations: {
+      UIView.animate(withDuration: duration, delay: duration/2, options: UIView.AnimationOptions.curveEaseInOut, animations: {
         self.animateTopButtons()
       }, completion: nil)
     } else {
-      UIView.animate(withDuration: duration, delay: duration/4, options: UIViewAnimationOptions.curveEaseInOut, animations: {
+      UIView.animate(withDuration: duration, delay: duration/4, options: UIView.AnimationOptions.curveEaseInOut, animations: {
         up ? self.animateTopButtons() : self.animateBottomButtons()
       }, completion: nil)
     }
     
     // MARK: Animate buttons textColor
     for button in unified {
-      UIView.transition(with: button, duration: duration/2, options: UIViewAnimationOptions.transitionCrossDissolve, animations: {
+      UIView.transition(with: button, duration: duration/2, options: UIView.AnimationOptions.transitionCrossDissolve, animations: {
         let color = button === movingItem ? self.config.activeButtonColor : self.config.inactiveButtonsColor
-        button.setTitleColor(color, for: UIControlState.normal)
+        button.setTitleColor(color, for: UIControl.State.normal)
       }, completion: nil)
     }
     
@@ -511,7 +511,7 @@ extension GlidingCollection {
   // MARK: Private
   @objc fileprivate func didTapped(_ button: UIButton) {
     let unifiedButtons = topViews + bottomViews
-    guard let index = unifiedButtons.index(of: button) else { return }
+    guard let index = unifiedButtons.firstIndex(of: button) else { return }
     delegate?.glidingCollection(self, didSelectItemAt: index)
     expand(at: index)
   }
@@ -631,8 +631,8 @@ extension GlidingCollection: CAAnimationDelegate {
     }
     
     animation.isRemovedOnCompletion = false
-    animation.fillMode = kCAFillModeBackwards
-    animation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
+    animation.fillMode = CAMediaTimingFillMode.backwards
+    animation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut)
     animation.duration = duration ?? config.animationDuration
     animation.delegate = self
     animation.beginTime = CACurrentMediaTime() + delay
@@ -663,7 +663,7 @@ extension GlidingCollection: CAAnimationDelegate {
         collectionView.isUserInteractionEnabled = true
         
       case .newCell where index == expandedItemIndex && aniview.animation.beginTime == anim.beginTime:
-        let paths = collectionView.indexPathsForVisibleItems.sorted { $0.0.item < $0.1.item }
+        let paths = collectionView.indexPathsForVisibleItems.sorted { $0.item < $1.item }
         guard let path = paths.first, let cell = collectionView.cellForItem(at: path) else {
           break
         }

GlidingCollectionDemo/AppDelegate.swift

@@ -14,7 +14,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
   var window: UIWindow?
 
-  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
     setupGlidingCollection()
     return true
   }

GlidingCollectionDemo/Resources/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,113 +1,119 @@
 {
-  "images": [
+  "images" : [
     {
       "size" : "20x20",
       "idiom" : "iphone",
-      "filename": "icon-40.png",
+      "filename" : "icon-40.png",
       "scale" : "2x"
     },
     {
       "size" : "20x20",
       "idiom" : "iphone",
-      "filename": "icon-60.png",
+      "filename" : "icon-60.png",
       "scale" : "3x"
     },
     {
-      "size": "29x29",
-      "idiom": "iphone",
-      "filename": "icon-58.png",
-      "scale": "2x"
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "icon-58.png",
+      "scale" : "2x"
     },
     {
-      "size": "29x29",
-      "idiom": "iphone",
-      "filename": "icon-87.png",
-      "scale": "3x"
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "icon-87.png",
+      "scale" : "3x"
     },
     {
-      "size": "40x40",
-      "idiom": "iphone",
-      "filename": "icon-80.png",
-      "scale": "2x"
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "icon-80.png",
+      "scale" : "2x"
     },
     {
-      "size": "40x40",
-      "idiom": "iphone",
-      "filename": "icon-120.png",
-      "scale": "3x"
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "icon-120.png",
+      "scale" : "3x"
     },
     {
-      "size": "60x60",
-      "idiom": "iphone",
-      "filename": "icon-120.png",
-      "scale": "2x"
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "icon-120.png",
+      "scale" : "2x"
     },
     {
-      "size": "60x60",
-      "idiom": "iphone",
-      "filename": "icon-180.png",
-      "scale": "3x"
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "icon-180.png",
+      "scale" : "3x"
     },
     {
       "size" : "20x20",
       "idiom" : "ipad",
-      "filename": "icon-20.png",
+      "filename" : "icon-20.png",
       "scale" : "1x"
     },
     {
       "size" : "20x20",
       "idiom" : "ipad",
-      "filename": "icon-40.png",
+      "filename" : "icon-40.png",
       "scale" : "2x"
     },
     {
-      "size": "29x29",
-      "idiom": "ipad",
-      "filename": "icon-29.png",
-      "scale": "1x"
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "icon-29.png",
+      "scale" : "1x"
     },
     {
-      "size": "29x29",
-      "idiom": "ipad",
-      "filename": "icon-58.png",
-      "scale": "2x"
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "icon-58.png",
+      "scale" : "2x"
     },
     {
-      "size": "40x40",
-      "idiom": "ipad",
-      "filename": "icon-40.png",
-      "scale": "1x"
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "icon-40.png",
+      "scale" : "1x"
     },
     {
-      "size": "40x40",
-      "idiom": "ipad",
-      "filename": "icon-80.png",
-      "scale": "2x"
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "icon-80.png",
+      "scale" : "2x"
     },
     {
-      "size": "76x76",
-      "idiom": "ipad",
-      "filename": "icon-76.png",
-      "scale": "1x"
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "icon-76.png",
+      "scale" : "1x"
     },
     {
-      "size": "76x76",
-      "idiom": "ipad",
-      "filename": "icon-152.png",
-      "scale": "2x"
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "icon-152.png",
+      "scale" : "2x"
     },
     {
-      "idiom": "ipad",
-      "size": "83.5x83.5",
-      "filename": "icon-167.png",
-      "scale": "2x"
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "icon-167.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Ramotion.png",
+      "scale" : "1x"
     }
   ],
-  "info": {
-    "version": 1,
-    "author": "xcode"
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
   },
-  "properties": {
-    "pre-rendered": true
+  "properties" : {
+    "pre-rendered" : true
   }
-}
+}

Package.swift

@@ -0,0 +1,43 @@
+// swift-tools-version:5.1
+//
+//  Package.swift
+//
+//  Copyright (c) Ramotion (https://www.ramotion.com/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import PackageDescription
+
+
+let package = Package(
+    name: "GlidingCollection",
+    platforms: [
+        .iOS(.v8)
+    ],
+    products: [
+        .library(name: "GlidingCollection",
+            targets: ["GlidingCollection"]),
+    ],
+    targets: [
+        .target(name: "GlidingCollection",
+            path: "GlidingCollection")
+    ],
+    swiftLanguageVersions: [.v5]
+)

README.md

@@ -1,36 +1,43 @@
-[![header](/assets/header.png)](https://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=gliding-collection-logo)
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=gliding-collection"><img src="https://github.com/Ramotion/folding-cell/blob/master/header.png"></a>
+
+<a href="https://github.com/Ramotion/gliding-collection">
+<img align="left" src="https://github.com/Ramotion/gliding-collection/blob/master/assets/gliding-collection.gif" width="480" height="360" /></a>
+
+<p><h1 align="left">GLIDING COLLECTION</h1></p>
+
+<h4>A smooth, flowing, customizable decision for a UICollectionView Swift Controller</h4>
+
+
+___
+
+
+
+<p><h6>We specialize in the designing and coding of custom UI for Mobile Apps and Websites.</h6>
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=gliding-collection">
+<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
+</p>
+<p><h6>Stay tuned for the latest updates:</h6>
+<a href="https://goo.gl/rPFpid" >
+<img src="https://i.imgur.com/ziSqeSo.png/" width="156" height="28"></a></p>
+
+</br>
 
 [![Twitter](https://img.shields.io/badge/Twitter-@Ramotion-blue.svg?style=flat)](http://twitter.com/Ramotion)
 [![PodPlatform](https://img.shields.io/cocoapods/p/GlidingCollection.svg)](https://cocoapods.org/pods/GlidingCollection)
 [![PodVersion](https://img.shields.io/cocoapods/v/GlidingCollection.svg)](http://cocoapods.org/pods/GlidingCollection)
 [![Documentation](https://cdn.rawgit.com/Ramotion/gliding-collection/master/docs/badge.svg)](https://cdn.rawgit.com/Ramotion/gliding-collection/master/docs/index.html)
-
 [![Carthage](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Ramotion/gliding-collection)
 [![Codebeat](https://codebeat.co/badges/6a009992-5bf2-4730-aa35-f3b20ce7693d)](https://codebeat.co/projects/github-com-ramotion-gliding-collection)
-![Swift](https://img.shields.io/badge/Swift-3.1-2ecc71.svg)
-
-<br>
-
-## About
-This project is maintained by Ramotion, Inc.<br>
-We specialize in the designing and coding of custom UI for Mobile Apps and Websites.<br><br>**Looking for developers for your project?**
-
-<a href="https://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=gliding-collection-contact-us/#Get_in_Touch" > <img src="https://github.com/Ramotion/navigation-stack/raw/master/contact_our_team@2x.png" width="150" height="30"></a>
-
-[![animation](/assets/preview.gif)](https://dribbble.com/shots/3413329-iOS-Gliding-Collection-Open-Source)
-
-The [iPhone mockup](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=gliding-collection) available [here](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=gliding-collection).
-<br>
-
-## Try this UI control in action
-
-<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=gliding-collection&mt=8" > <img src="https://github.com/Ramotion/navigation-stack/raw/master/Download_on_the_App_Store_Badge_US-UK_135x40.png" width="170" height="58"></a>
+![Swift](https://img.shields.io/badge/Swift-4.2-2ecc71.svg)
+[![Donate](https://img.shields.io/badge/Donate-PayPal-blue.svg)](https://paypal.me/Ramotion)
 
 ## Requirements
 
 - iOS 8.0+
 - Xcode 8
-- Swift 3
+- Swift 3 (<= 1.0.3)
+- Swift 4 (>= 1.1.0)
+- Swift 4.2 (~> 2.0)
 
 <br>
 
@@ -69,7 +76,7 @@ class ViewController: UIViewController {
 
 • Drag a `UIView` onto the canvas. Change it's class to `GlidingCollection` and use autolayout constraints.
 
-![step-2](/assets/step-2.png)
+![step-2](./assets/step-2.png)
 
 • Connect this view to your view controller class as an `@IBOutlet`.
 
@@ -134,23 +141,30 @@ There is a [`GlidingCollectionDelegate`](/GlidingCollection/Protocols/GlidingCol
 
 If you want to achieve a parallax effect on a horizontal cards stack, you need to place your `parallax view` in a cell's `contentView` and set its `tag` to `99`.
 
-![parallax-view](/assets/parallax-view.png)
+![parallax-view](./assets/parallax-view.png)
 
 There is a `kGlidingCollectionParallaxViewTag` constant if you want to layout a cell in code.
 ```swift
 imageView.tag = kGlidingCollectionParallaxViewTag
 ```
 
-<br>
+## 📄 License
 
-## License
-
-GlidingCollection is released under the MIT license.
+Gliding Collection is released under the MIT license.
 See [LICENSE](./LICENSE) for details.
 
+This library is a part of a <a href="https://github.com/Ramotion/swift-ui-animation-components-and-libraries"><b>selection of our best UI open-source projects.</b></a>
+
+If you use the open-source library in your project, please make sure to credit and backlink to https://www.ramotion.com/
+
+## 📱 Get the Showroom App for iOS to give it a try
+Try this UI component and more like this in our iOS app. Contact us if interested.
+
+<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=gliding-collection&mt=8" >
+<img src="https://github.com/ramotion/gliding-collection/raw/master/app_store@2x.png" width="117" height="34"></a>
+
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=gliding-collection">
+<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
+<br>
 <br>
 
-## Follow us
-
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