Compatible with swift 4.2

Example/IOStickyHeader.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>

Example/IOStickyHeader.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,10 @@
+<?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>BuildSystemType</key>
+	<string>Original</string>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

Example/IOStickyHeader/AppDelegate.swift

@@ -14,34 +14,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
 
-
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
-        // Override point for customization after application launch.
+    func application(_ application: UIApplication,
+                     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         return true
     }
-
-    func applicationWillResignActive(_ application: UIApplication) {
-        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
-        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
-    }
-
-    func applicationDidEnterBackground(_ application: UIApplication) {
-        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
-        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
-    }
-
-    func applicationWillEnterForeground(_ application: UIApplication) {
-        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
-    }
-
-    func applicationDidBecomeActive(_ application: UIApplication) {
-        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
-    }
-
-    func applicationWillTerminate(_ application: UIApplication) {
-        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
-    }
-
-
 }
-

Example/IOStickyHeader/IOGrowVC.swift

@@ -65,7 +65,7 @@ class IOGrowVC: UIViewController, UICollectionViewDataSource, UICollectionViewDe
             self.collectionView.collectionViewLayout = layout
         }
 
-        self.collectionView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 0, 0, 0)
+        self.collectionView.scrollIndicatorInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
 
         self.collectionView.register(self.headerNib, forSupplementaryViewOfKind: IOStickyHeaderParallaxHeader, withReuseIdentifier: "header")
     }

Example/IOStickyHeader/IOParallaxVC.swift

@@ -62,7 +62,7 @@ class IOParallaxVC: UIViewController, UICollectionViewDataSource, UICollectionVi
             self.collectionView.collectionViewLayout = layout
         }
 
-        self.collectionView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 0, 0, 0)
+        self.collectionView.scrollIndicatorInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
 
         self.collectionView.register(self.headerNib, forSupplementaryViewOfKind: IOStickyHeaderParallaxHeader, withReuseIdentifier: "header")
     }
@@ -93,7 +93,7 @@ class IOParallaxVC: UIViewController, UICollectionViewDataSource, UICollectionVi
 
     func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {
         switch kind {
-        case UICollectionElementKindSectionHeader:
+        case UICollectionView.elementKindSectionHeader:
             let cell = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "sectionHeader", for: indexPath) as! IOSectionHeader
             return cell
         case IOStickyHeaderParallaxHeader:

Example/IOStickyHeader/Info.plist

@@ -15,10 +15,16 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
-	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<string>1.0.0</string>
+	<key>LSApplicationCategoryType</key>
+	<string></string>
 	<key>NSPrincipalClass</key>
 	<string></string>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
 </dict>
 </plist>

Example/Podfile

@@ -7,6 +7,4 @@ end
 
 target 'IOStickyHeader_Tests' do
   pod "IOStickyHeader", :path => "../"
-
-
 end

Example/Podfile.lock

@@ -1,16 +1,16 @@
 PODS:
-  - IOStickyHeader (1.0.0)
+  - IOStickyHeader (1.0.2)
 
 DEPENDENCIES:
   - IOStickyHeader (from `../`)
 
 EXTERNAL SOURCES:
   IOStickyHeader:
-    :path: ../
+    :path: "../"
 
 SPEC CHECKSUMS:
-  IOStickyHeader: 9aef3014a0fc1ed4cbe702d7a0b574e64516f576
+  IOStickyHeader: 9371261daf8a55591207834261f946322aee6148
 
-PODFILE CHECKSUM: 98c07bf9f34f0cf1d9ecb9d7de1472459ceca4e2
+PODFILE CHECKSUM: b88f7f649d7e9eb6526411bc22b15d354f8dcad1
 
-COCOAPODS: 1.1.0.rc.2
+COCOAPODS: 1.7.1

IOStickyHeader.podspec

@@ -9,25 +9,21 @@
 
 Pod::Spec.new do |s|
   s.name             = "IOStickyHeader"
-  s.version          = "1.0.1"
+  s.version          = "1.0.4"
   s.summary          = "Parallax and Sticky header done right using UICollectionViewLayout"
   s.description      = <<-DESC
                        UICollectionView are flexible and you can use supplementary views to
                        anything you wanted.
                        DESC
   s.homepage         = "https://github.com/BenjaminPrieur/IOStickyHeader.git"
-  # s.screenshots     = "www.example.com/screenshots_1", "www.example.com/screenshots_2"
   s.license          = 'MIT'
   s.author           = { "Benjamin Prieur" => "benjamin@prieur.org" }
   s.source           = { :git => "https://github.com/BenjaminPrieur/IOStickyHeader.git", :tag => s.version.to_s }
-  # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
 
-  s.pod_target_xcconfig = {
-    'SWIFT_VERSION' => '3.0'
-  }
+  s.swift_version           = '4.2'
 
-  s.platform     = :ios, '9.0'
+  s.ios.deployment_target   = '9.0'
   s.requires_arc = true
 
-  s.source_files = 'Sources/**/*'
+  s.source_files = 'Sources/**/*.{swift}'
 end

README.md

@@ -50,8 +50,7 @@ func collectionView(collectionView: UICollectionView, viewForSupplementaryElemen
 
 ## Requirements
 
-- Xcode 8
-- Swift 3.0
+- Swift 4.2
 - iOS 9
 
 ## Installation

Sources/IOStickyHeaderFlowLayout.swift

@@ -69,7 +69,7 @@ open class IOStickyHeaderFlowLayout: UICollectionViewFlowLayout {
       attributes.frame = frame
 
       let indexPath = attributes.indexPath
-      if attributes.representedElementKind == UICollectionElementKindSectionHeader {
+        if attributes.representedElementKind == UICollectionView.elementKindSectionHeader {
         headers.setObject(attributes, forKey: (indexPath as NSIndexPath).section as NSCopying)
       } else {
         let currentAttribute = lastCells.object(forKey: (indexPath as IndexPath).section)
@@ -131,7 +131,7 @@ open class IOStickyHeaderFlowLayout: UICollectionViewFlowLayout {
 
           var header = headers[indexPAthKey]
           if header == nil {
-            header = self.layoutAttributesForSupplementaryView(ofKind: UICollectionElementKindSectionHeader, at: IndexPath(item: 0, section: (indexPath as NSIndexPath).section))
+            header = self.layoutAttributesForSupplementaryView(ofKind: UICollectionView.elementKindSectionHeader, at: IndexPath(item: 0, section: (indexPath as NSIndexPath).section))
             if let header:UICollectionViewLayoutAttributes = header as? UICollectionViewLayoutAttributes {
               allItems.append(header)
             }