Update README.md

.swift-version

@@ -1 +1 @@
-4.0
+4.2

Package.swift

@@ -0,0 +1,43 @@
+// swift-tools-version:5.1
+//
+//  Package.swift
+//
+//  Copyright (c) Ramotion Inc. (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: "PreviewTransition",
+    platforms: [
+        .iOS(.v9)
+    ],
+    products: [
+        .library(name: "PreviewTransition",
+            targets: ["PreviewTransition"]),
+    ],
+    targets: [
+        .target(name: "PreviewTransition",
+            path: "PreviewTransition")
+    ],
+    swiftLanguageVersions: [.v5]
+)

PreviewTransition.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'PreviewTransition'
-  s.version      = '3.0.1'
+  s.version      = '4.1.0'
   s.summary      = 'Transition animation'
   s.license      = 'MIT'
   s.homepage     = 'https://github.com/Ramotion/preview-transition'

PreviewTransition/DetailViewController/PTDetailViewController.swift

@@ -85,7 +85,7 @@ extension PTDetailViewController {
         imageView.image = image
         imageView.frame = view.bounds
         imageView.autoresizingMask = [.flexibleHeight, .flexibleWidth]
-        imageView.contentMode = UIViewContentMode.scaleAspectFill
+        imageView.contentMode = UIView.ContentMode.scaleAspectFill
         view.insertSubview(imageView, at: 0)
 
         return imageView
@@ -97,7 +97,7 @@ extension PTDetailViewController {
         navBar.translatesAutoresizingMaskIntoConstraints = false
         view.addSubview(navBar)
 
-        for attributes: NSLayoutAttribute in [.left, .right, .top] {
+        for attributes: NSLayoutConstraint.Attribute in [.left, .right, .top] {
             (view, navBar) >>>- {
                 $0.attribute = attributes
                 return

PreviewTransition/TableViewController/Cell/ParallaxCell.swift

@@ -98,7 +98,7 @@ open class ParallaxCell: UITableViewCell {
 
      - returns: an initialized UITableViewCell object or nil if the object could not be created.
      */
-    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
+    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
         super.init(style: style, reuseIdentifier: reuseIdentifier)
         commonInit()
     }
@@ -118,7 +118,7 @@ extension ParallaxCell {
 
         // add constraints
         if let bgSuperView = backgroundImageView.superview {
-            for attribute: NSLayoutAttribute in [.leading, .trailing] {
+            for attribute: NSLayoutConstraint.Attribute in [.leading, .trailing] {
                 (bgSuperView, backgroundImageView) >>>- {
                     $0.attribute = attribute
                     return
@@ -141,7 +141,7 @@ extension ParallaxCell {
 
         // create title label
         let titleLabel = createTitleLable()
-        for attribute: NSLayoutAttribute in [.left, .right] {
+        for attribute: NSLayoutConstraint.Attribute in [.left, .right] {
             (contentView, titleLabel) >>>- {
                 $0.attribute = attribute
                 return
@@ -179,7 +179,7 @@ public extension ParallaxCell {
      - parameter image: The image object which set to the backgroundImageView
      - parameter title: The text to be displayed in the Cell
      */
-    public func setImage(_ image: UIImage, title: String) {
+    func setImage(_ image: UIImage, title: String) {
         bgImage?.image = image
         parallaxTitle?.text = title
     }
@@ -219,7 +219,7 @@ extension ParallaxCell {
         let cellY = frame.origin.y - offsetY + frame.size.height / 2.0 + offsetY - tableView.frame.size.height / 2.0
         let cellFrame = CGRect(x: 0, y: cellY, width: tableView.frame.size.width, height: tableView.frame.size.height)
         frame = cellFrame
-        superview.sendSubview(toBack: self)
+        superview.sendSubviewToBack(self)
 
         // animation
         bgImageHeight.constant = cellFrame.height
@@ -231,7 +231,7 @@ extension ParallaxCell {
     func closeCell(_ duration: Double, tableView _: UITableView, completion: @escaping () -> Void) {
         bgImageY?.constant = closedBgImageYConstant
         bgImageHeight?.constant = closedHeight
-        UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: damping, initialSpringVelocity: 0, options: UIViewAnimationOptions(), animations: { [weak self] () in
+        UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: damping, initialSpringVelocity: 0, options: UIView.AnimationOptions(), animations: { [weak self] () in
             guard let `self` = self else { return }
             self.bgImage?.superview?.layoutIfNeeded()
             self.center = CGPoint(x: self.center.x, y: self.closedYPosition)
@@ -261,8 +261,8 @@ extension ParallaxCell {
             center.y = closedYPosition - dy
         }
 
-        superview?.bringSubview(toFront: self)
-        UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: damping, initialSpringVelocity: 0, options: UIViewAnimationOptions(), animations: { () -> Void in
+        superview?.bringSubviewToFront(self)
+        UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: damping, initialSpringVelocity: 0, options: UIView.AnimationOptions(), animations: { () -> Void in
             self.center.y = self.center.y + dy
         }, completion: nil)
     }
@@ -278,7 +278,7 @@ extension ParallaxCell {
 
     fileprivate func moveToCenter(_ duration: Double, offset: CGFloat) {
         bgImageY?.constant = 0
-        UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: 0.78, initialSpringVelocity: 0, options: UIViewAnimationOptions(), animations: { () -> Void in
+        UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: 0.78, initialSpringVelocity: 0, options: UIView.AnimationOptions(), animations: { () -> Void in
             self.frame.origin.y = offset
             self.bgImage?.superview?.layoutIfNeeded()
         }, completion: nil)
@@ -320,7 +320,7 @@ extension ParallaxCell {
                        delay: 0,
                        usingSpringWithDamping: damping * 2.0,
                        initialSpringVelocity: 0,
-                       options: UIViewAnimationOptions(),
+                       options: UIView.AnimationOptions(),
                        animations: { () -> Void in
                            foregroundView.superview?.layoutIfNeeded()
         }, completion: nil)
@@ -338,7 +338,7 @@ extension ParallaxCell {
         container.backgroundColor = .clear
         container.clipsToBounds = true
         contentView.addSubview(container)
-        for attribute: NSLayoutAttribute in [.left, .right, .top, .bottom] {
+        for attribute: NSLayoutConstraint.Attribute in [.left, .right, .top, .bottom] {
             (contentView, container) >>>- {
                 $0.attribute = attribute
                 return
@@ -358,11 +358,11 @@ extension ParallaxCell {
         label.backgroundColor = .clear
         label.translatesAutoresizingMaskIntoConstraints = false
         label.textAlignment = .center
-        if case let font as UIFont = UINavigationBar.appearance().titleTextAttributes?[NSAttributedStringKey.font] {
+        if case let font as UIFont = UINavigationBar.appearance().titleTextAttributes?[NSAttributedString.Key.font] {
             label.font = font
         }
 
-        if case let textColor as UIColor = UINavigationBar.appearance().titleTextAttributes?[NSAttributedStringKey.foregroundColor] {
+        if case let textColor as UIColor = UINavigationBar.appearance().titleTextAttributes?[NSAttributedString.Key.foregroundColor] {
             label.textColor = textColor
         }
         contentView.addSubview(label)
@@ -387,7 +387,7 @@ extension ParallaxCell {
         contentView.insertSubview(foregroundView, aboveSubview: bgImage)
 
         // add constraints
-        for attribute: NSLayoutAttribute in [.left, .right, .top] {
+        for attribute: NSLayoutConstraint.Attribute in [.left, .right, .top] {
             (contentView, foregroundView) >>>- {
                 $0.attribute = attribute
                 return
@@ -403,13 +403,13 @@ extension ParallaxCell {
     }
 
     // return bottom constraint
-    fileprivate func createSeparator(_ color: UIColor, height: CGFloat, verticalAttribure: NSLayoutAttribute, verticalConstant: CGFloat) -> UIView {
+    fileprivate func createSeparator(_ color: UIColor, height: CGFloat, verticalAttribure: NSLayoutConstraint.Attribute, verticalConstant: CGFloat) -> UIView {
         let separator = UIView(frame: CGRect.zero)
         separator.backgroundColor = color
         separator.translatesAutoresizingMaskIntoConstraints = false
         contentView.addSubview(separator)
 
-        for attribute: NSLayoutAttribute in [.leading, .trailing] {
+        for attribute: NSLayoutConstraint.Attribute in [.leading, .trailing] {
             (contentView, separator) >>>- {
                 $0.attribute = attribute
                 return

PreviewTransition/TableViewController/Halpers/ConstraintsHalper.swift

@@ -9,11 +9,11 @@
 import UIKit
 
 struct ConstraintInfo {
-    var attribute: NSLayoutAttribute = .left
-    var secondAttribute: NSLayoutAttribute = .notAnAttribute
+    var attribute: NSLayoutConstraint.Attribute = .left
+    var secondAttribute: NSLayoutConstraint.Attribute = .notAnAttribute
     var constant: CGFloat = 0
     var identifier: String?
-    var relation: NSLayoutRelation = .equal
+    var relation: NSLayoutConstraint.Relation = .equal
 }
 
 precedencegroup constOp {

PreviewTransition/TableViewController/MovingLabel/MovingViews.swift

@@ -42,7 +42,7 @@ extension Moving where Self: UIView {
                        delay: 0,
                        usingSpringWithDamping: 0.78,
                        initialSpringVelocity: 0,
-                       options: UIViewAnimationOptions(),
+                       options: UIView.AnimationOptions(),
                        animations: { [weak self] () -> Void in
                            guard let `self` = self else { return }
                            var toYPosition = self.defaultYPosition
@@ -78,7 +78,7 @@ internal class MovingView: UIView {
                        delay: 0,
                        usingSpringWithDamping: 0.78,
                        initialSpringVelocity: 0,
-                       options: UIViewAnimationOptions(),
+                       options: UIView.AnimationOptions(),
                        animations: { () -> Void in
                            self.frame.origin.y = yPosition
         }, completion: completion)

PreviewTransition/TableViewController/PTTableViewController.swift

@@ -51,7 +51,7 @@ public extension PTTableViewController {
 
      - parameter viewController: The view controller to push onto the stack.
      */
-    public func pushViewController(_ viewController: PTDetailViewController) {
+    func pushViewController(_ viewController: PTDetailViewController) {
 
         guard let currentCell = currentCell,
             let navigationController = self.navigationController else {
@@ -62,7 +62,7 @@ public extension PTTableViewController {
             let nextIndex = IndexPath(row: (currentIndex as NSIndexPath).row + 1, section: (currentIndex as NSIndexPath).section)
             if case let nextCell as ParallaxCell = tableView.cellForRow(at: nextIndex) {
                 nextCell.showTopSeparator()
-                nextCell.superview?.bringSubview(toFront: nextCell)
+                nextCell.superview?.bringSubviewToFront(nextCell)
             }
         }
 
@@ -94,7 +94,7 @@ extension PTTableViewController {
         if #available(iOS 11.0, *) {
             tableView.contentInsetAdjustmentBehavior = .never
         } else {
-            tableView.contentInset = UIEdgeInsetsMake(-64, 0, 0, 0)
+            tableView.contentInset = UIEdgeInsets.init(top: -64, left: 0, bottom: 0, right: 0)
         }
     }
 

PreviewTransitionDemo/AnimationHelpers/LayerAnimationHelper.swift

@@ -15,11 +15,11 @@ extension UIView {
         animation.duration = duration
         animation.toValue = to
         animation.fromValue = from
-        animation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseOut)
+        animation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeOut)
         animation.beginTime = CACurrentMediaTime() + delay
         if remove == false {
             animation.isRemovedOnCompletion = remove
-            animation.fillMode = kCAFillModeForwards
+            animation.fillMode = CAMediaTimingFillMode.forwards
         }
         return animation
     }

PreviewTransitionDemo/PreviewTransitionDemo.xcodeproj/project.pbxproj

@@ -280,7 +280,6 @@
 				84204DF51CB2869E001FC263 /* Sources */,
 				84204DF61CB2869E001FC263 /* Frameworks */,
 				84204DF71CB2869E001FC263 /* Resources */,
-				8485264F1CD39C880052BEAD /* image enum gen */,
 				8499D8C31D006020004B5B37 /* Embed Frameworks */,
 			);
 			buildRules = (
@@ -318,24 +317,24 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 0900;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = "Alex K.";
 				TargetAttributes = {
 					84204DF81CB2869E001FC263 = {
 						CreatedOnToolsVersion = 7.3;
 						DevelopmentTeam = 34MUF9YXTA;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1020;
 					};
 					8499D8B61D006020004B5B37 = {
 						CreatedOnToolsVersion = 7.3.1;
 						DevelopmentTeam = LEAZS7L33U;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1020;
 					};
 				};
 			};
 			buildConfigurationList = 84204DF41CB2869E001FC263 /* Build configuration list for PBXProject "PreviewTransitionDemo" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -372,23 +371,6 @@
 		};
 /* End PBXResourcesBuildPhase section */
 
-/* Begin PBXShellScriptBuildPhase section */
-		8485264F1CD39C880052BEAD /* image enum gen */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "image enum gen";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "if which swiftgen >/dev/null; then\nswiftgen images \"$PROJECT_DIR/PreviewTransitionDemo/Assets.xcassets\" --output \"$PROJECT_DIR/Constants/Images.swift\"\nelse\necho \"warning: SwiftGen not installed, download it from https://github.com/AliSoftware/SwiftGen\"\nfi";
-		};
-/* End PBXShellScriptBuildPhase section */
-
 /* Begin PBXSourcesBuildPhase section */
 		84204DF51CB2869E001FC263 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
@@ -457,6 +439,7 @@
 			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++";
@@ -466,12 +449,14 @@
 				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_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;
@@ -498,7 +483,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -510,6 +495,7 @@
 			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++";
@@ -519,12 +505,14 @@
 				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_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;
@@ -545,7 +533,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -567,8 +555,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.dev;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -586,8 +573,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.dev;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE = "";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -608,8 +594,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.PreivewTransition;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = NO;
-				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -633,8 +618,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.PreivewTransition;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = NO;
-				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";

PreviewTransitionDemo/PreviewTransitionDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

PreviewTransitionDemo/PreviewTransitionDemo.xcodeproj/xcshareddata/xcschemes/PreviewTransition.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0900"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,7 +26,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
@@ -37,7 +36,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

PreviewTransitionDemo/PreviewTransitionDemo/AppDelegate.swift

@@ -28,8 +28,8 @@ extension AppDelegate {
 
         if let font = UIFont(name: "Avenir-medium", size: 18) {
             UINavigationBar.appearance().titleTextAttributes = [
-                NSAttributedStringKey.foregroundColor: UIColor.white,
-                NSAttributedStringKey.font: font,
+                NSAttributedString.Key.foregroundColor: UIColor.white,
+                NSAttributedString.Key.font: font,
             ]
         }
     }

README.md

@@ -1,12 +1,34 @@
-[![header](./header.png)](https://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=preview-transition-logo)
-![Animation](./preview.gif)
-# Preview-transition
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=preview-transition"><img src="https://github.com/Ramotion/folding-cell/blob/master/header.png"></a>
+
+<a href="https://github.com/Ramotion/fpreview-transition">
+<img align="left" src="https://github.com/Ramotion/preview-transition/blob/master/preview-transition.gif" width="480" height="360" /></a>
+
+<p><h1 align="left">PREVIEW TRANSITION</h1></p>
+
+<h4>Preview Transition is a simple preview gallery UI controller with animated tranisitions</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=preview-transition">
+<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)
 [![Travis](https://img.shields.io/travis/Ramotion/preview-transition.svg)](https://travis-ci.org/Ramotion/preview-transition.svg?branch=master)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Ramotion/preview-transition)
 [![CocoaPods](https://img.shields.io/cocoapods/p/PreviewTransition.svg)](https://cocoapods.org/pods/PreviewTransition)
 [![CocoaPods](https://img.shields.io/cocoapods/v/PreviewTransition.svg)](http://cocoapods.org/pods/PreviewTransition)
 [![codebeat badge](https://codebeat.co/badges/b99f71fe-b7e7-4a08-94bd-d98307d176ea)](https://codebeat.co/projects/github-com-ramotion-preview-transition)
+[![Donate](https://img.shields.io/badge/Donate-PayPal-blue.svg)](https://paypal.me/Ramotion)
 
 
 ## About
@@ -16,11 +38,9 @@ We specialize in the designing and coding of custom UI for Mobile Apps and Websi
 **Looking for developers for your project?**<br>
 This project is maintained by Ramotion, Inc. We specialize in the designing and coding of custom UI for Mobile Apps and Websites.
 
-<a href="https://ramotion.com/?utm_source=gthb&utm_medium=special&utm_campaign=preview-transition-contact-us/#Get_in_Touch">
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=preview-transition">
 <img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a> <br>
 
-The [iPhone mockup](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=preview-transition) available [here](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=preview-transition).
-
 ## Requirements
 
 - iOS 9.0+
@@ -138,16 +158,23 @@ if let font = UIFont(name: <Font name> , size: 18) {
       ]
 }
 ```
-# Get the Showroom App for iOS to give it a try
+
+## 📄 License
+
+Preview Transition 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=preview-transition&mt=8" >
 <img src="https://github.com/ramotion/gliding-collection/raw/master/app_store@2x.png" width="117" height="34"></a>
-<a href="https://ramotion.com/?utm_source=gthb&utm_medium=special&utm_campaign=preview-transition-contact-us/#Get_in_Touch">
+
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=preview-transition">
 <img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
 <br>
 <br>
-
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