Convert XLPagerTabStrip to Swift 3

.travis.yml

@@ -1,7 +1,7 @@
 language: objective-c
-osx_image: xcode7.3
+osx_image: xcode8
 env:
-  - DESTINATION="OS=9.3,name=iPhone 6s" SCHEME="XLPagerTabStrip" SDK=iphonesimulator9.3
+  - DESTINATION="OS=10.0,name=iPhone 6s" SCHEME="XLPagerTabStrip" SDK=iphonesimulator10.0
 before_install:
 - brew update
 #- brew outdated carthage || brew upgrade carthage
@@ -10,7 +10,7 @@ before_install:
 - gem install xcpretty --no-rdoc --no-ri --no-document --quiet
 
 script:
-- xctool clean build -project XLPagerTabStrip.xcodeproj -scheme XLPagerTabStrip -sdk iphonesimulator9.3
-#- xctool test -project XLPagerTabStrip.xcodeproj -scheme XLPagerTabStrip -sdk iphonesimulator9.3
+- xcodebuild clean build -project XLPagerTabStrip.xcodeproj -scheme "$SCHEME" -sdk "$SDK"
+#- xcodebuild test -project XLPagerTabStrip.xcodeproj -scheme "$SCHEME" -sdk "$SDK"
 - xcodebuild -project XLPagerTabStrip.xcodeproj -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION"
   -configuration Debug ONLY_ACTIVE_ARCH=NO test | xcpretty -c

CHANGELOG.md

@@ -1,6 +1,15 @@
 # Change Log
 All notable changes to XLPagerTabStrip will be documented in this file.
 
+### [6.0.0](https://github.com/xmartlabs/XLPagerTabStrip/releases/tag/5.0.0)
+
+* Swift 3 support
+* **Breaking change**: Swiftified names of functions (you can see more details about it [here](https://github.com/xmartlabs/XLPagerTabStrip/Migration.md))
+
+### [5.1.0](https://github.com/xmartlabs/XLPagerTabStrip/releases/tag/5.0.0)
+
+* Xcode 8 support. (Swift 2.3)
+
 ### [5.0.0](https://github.com/xmartlabs/XLPagerTabStrip/releases/tag/5.0.0)
 
 * Xcode 7.3 support.

Example.xcodeproj/project.pbxproj

@@ -295,13 +295,15 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 0720;
+				LastUpgradeCheck = 0800;
 				TargetAttributes = {
 					28F828CB1C4B714D00330CF4 = {
 						CreatedOnToolsVersion = 7.2;
+						LastSwiftMigration = 0800;
 					};
 					28F828DF1C4B714D00330CF4 = {
 						CreatedOnToolsVersion = 7.2;
+						LastSwiftMigration = 0800;
 						TestTargetID = 28F828CB1C4B714D00330CF4;
 					};
 				};
@@ -441,8 +443,10 @@
 				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_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -485,8 +489,10 @@
 				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_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -505,36 +511,39 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 9.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
 		};
 		28F828EA1C4B714D00330CF4 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				EMBEDDED_CONTENT_CONTAINS_SWIFT = YES;
 				INFOPLIST_FILE = "$(SRCROOT)/Example/Example/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.xmartlabs.Example;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
 		28F828EB1C4B714D00330CF4 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				EMBEDDED_CONTENT_CONTAINS_SWIFT = YES;
 				INFOPLIST_FILE = "$(SRCROOT)/Example/Example/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.xmartlabs.Example;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -547,6 +556,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.xmartlabs.ExampleUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 3.0;
 				TEST_TARGET_NAME = Example;
 				USES_XCTRUNNER = YES;
 			};
@@ -560,6 +570,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.xmartlabs.ExampleUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 				TEST_TARGET_NAME = Example;
 				USES_XCTRUNNER = YES;
 			};

Example/Example/AppDelegate.swift

@@ -13,36 +13,36 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
 
 
-    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
 
         UITabBar.appearance().tintColor = UIColor.init(red: 0.027, green: 0.725, blue: 0.608, alpha: 1)
-        UIApplication.sharedApplication().statusBarStyle = .LightContent
+        UIApplication.shared.statusBarStyle = .lightContent
 
         let _ = YoutubeExampleViewController(nibName: nil, bundle: nil)
 
         return true
     }
 
-    func applicationWillResignActive(application: UIApplication) {
+    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) {
+    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) {
+    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) {
+    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) {
+    func applicationWillTerminate(_ application: UIApplication) {
         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
     }
 

Example/Example/BarExampleViewController.swift

@@ -35,44 +35,44 @@ class BarExampleViewController: BarPagerTabStripViewController {
     override func viewDidLoad() {
 
         // set up style before super view did load is executed
-        settings.style.selectedBarBackgroundColor = .orangeColor()
+        settings.style.selectedBarBackgroundColor = .orange
         // - 
 
         super.viewDidLoad()
     }
 
     // MARK: - PagerTabStripDataSource
 
-    override func viewControllersForPagerTabStrip(pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
+    override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
 
-        let child_1 = TableChildExampleViewController(style: .Plain, itemInfo: "Table View")
+        let child_1 = TableChildExampleViewController(style: .plain, itemInfo: "Table View")
         let child_2 = ChildExampleViewController(itemInfo: "View")
-        let child_3 = TableChildExampleViewController(style: .Grouped, itemInfo: "Table View 2")
+        let child_3 = TableChildExampleViewController(style: .grouped, itemInfo: "Table View 2")
         let child_4 = ChildExampleViewController(itemInfo: "View 2")
 
         guard isReload else {
             return [child_1, child_2, child_3, child_4]
         }
 
         var childViewControllers = [child_1, child_2, child_3, child_4]
-        for (index, _) in childViewControllers.enumerate(){
+        for (index, _) in childViewControllers.enumerated(){
             let nElements = childViewControllers.count - index
             let n = (Int(arc4random()) % nElements) + index
             if n != index{
                 swap(&childViewControllers[index], &childViewControllers[n])
             }
         }
-        let nItems = 1 + (rand() % 4)
+        let nItems = 1 + (arc4random() % 4)
         return Array(childViewControllers.prefix(Int(nItems)))
     }
 
     override func reloadPagerTabStripView() {
         isReload = true
-        if rand() % 2 == 0 {
-            pagerBehaviour = .Progressive(skipIntermediateViewControllers: rand() % 2 == 0 , elasticIndicatorLimit: rand() % 2 == 0 )
+        if arc4random() % 2 == 0 {
+            pagerBehaviour = .progressive(skipIntermediateViewControllers: arc4random() % 2 == 0, elasticIndicatorLimit: arc4random() % 2 == 0 )
         }
         else {
-            pagerBehaviour = .Common(skipIntermediateViewControllers: rand() % 2 == 0)
+            pagerBehaviour = .common(skipIntermediateViewControllers: arc4random() % 2 == 0)
         }
         super.reloadPagerTabStripView()
     }

Example/Example/ButtonBarExampleViewController.swift

@@ -32,20 +32,20 @@ class ButtonBarExampleViewController: ButtonBarPagerTabStripViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        buttonBarView.selectedBar.backgroundColor = .orangeColor()
+        buttonBarView.selectedBar.backgroundColor = .orange
         buttonBarView.backgroundColor = UIColor(red: 7/255, green: 185/255, blue: 155/255, alpha: 1)
     }
 
     // MARK: - PagerTabStripDataSource
 
-    override func viewControllersForPagerTabStrip(pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
-        let child_1 = TableChildExampleViewController(style: .Plain, itemInfo: "Table View")
+    override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
+        let child_1 = TableChildExampleViewController(style: .plain, itemInfo: "Table View")
         let child_2 = ChildExampleViewController(itemInfo: "View")
-        let child_3 = TableChildExampleViewController(style: .Grouped, itemInfo: "Table View 2")
+        let child_3 = TableChildExampleViewController(style: .grouped, itemInfo: "Table View 2")
         let child_4 = ChildExampleViewController(itemInfo: "View 2")
-        let child_5 = TableChildExampleViewController(style: .Plain, itemInfo: "Table View 3")
+        let child_5 = TableChildExampleViewController(style: .plain, itemInfo: "Table View 3")
         let child_6 = ChildExampleViewController(itemInfo: "View 3")
-        let child_7 = TableChildExampleViewController(style: .Grouped, itemInfo: "Table View 4")
+        let child_7 = TableChildExampleViewController(style: .grouped, itemInfo: "Table View 4")
         let child_8 = ChildExampleViewController(itemInfo: "View 4")
 
         guard isReload else {
@@ -54,24 +54,24 @@ class ButtonBarExampleViewController: ButtonBarPagerTabStripViewController {
 
         var childViewControllers = [child_1, child_2, child_3, child_4, child_6, child_7, child_8]
 
-        for (index, _) in childViewControllers.enumerate(){
+        for (index, _) in childViewControllers.enumerated(){
             let nElements = childViewControllers.count - index
             let n = (Int(arc4random()) % nElements) + index
             if n != index{
                 swap(&childViewControllers[index], &childViewControllers[n])
             }
         }
-        let nItems = 1 + (rand() % 8)
+        let nItems = 1 + (arc4random() % 8)
         return Array(childViewControllers.prefix(Int(nItems)))
     }
 
     override func reloadPagerTabStripView() {
         isReload = true
-        if rand() % 2 == 0 {
-            pagerBehaviour = .Progressive(skipIntermediateViewControllers: rand() % 2 == 0 , elasticIndicatorLimit: rand() % 2 == 0 )
+        if arc4random() % 2 == 0 {
+            pagerBehaviour = .progressive(skipIntermediateViewControllers: arc4random() % 2 == 0, elasticIndicatorLimit: arc4random() % 2 == 0 )
         }
         else {
-            pagerBehaviour = .Common(skipIntermediateViewControllers: rand() % 2 == 0)
+            pagerBehaviour = .common(skipIntermediateViewControllers: arc4random() % 2 == 0)
         }
         super.reloadPagerTabStripView()
     }

Example/Example/ChildControllers/ChildExampleViewController.swift

@@ -46,15 +46,15 @@ class ChildExampleViewController: UIViewController, IndicatorInfoProvider {
         label.text = "XLPagerTabStrip"
 
         view.addSubview(label)
-        view.backgroundColor = .whiteColor()
+        view.backgroundColor = .white
 
-        view.addConstraint(NSLayoutConstraint(item: label, attribute: .CenterX, relatedBy: .Equal, toItem: view, attribute: .CenterX, multiplier: 1, constant: 0))
-        view.addConstraint(NSLayoutConstraint(item: label, attribute: .CenterY, relatedBy: .Equal, toItem: view, attribute: .CenterY, multiplier: 1, constant: -50))
+        view.addConstraint(NSLayoutConstraint(item: label, attribute: .centerX, relatedBy: .equal, toItem: view, attribute: .centerX, multiplier: 1, constant: 0))
+        view.addConstraint(NSLayoutConstraint(item: label, attribute: .centerY, relatedBy: .equal, toItem: view, attribute: .centerY, multiplier: 1, constant: -50))
     }
 
     // MARK: - IndicatorInfoProvider
 
-    func indicatorInfoForPagerTabStrip(pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
+    func indicatorInfo(for pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
         return itemInfo
     }
 }

Example/Example/ChildControllers/TableChildExampleViewController.swift

@@ -42,7 +42,7 @@ class TableChildExampleViewController: UITableViewController, IndicatorInfoProvi
 
     override func viewDidLoad() {
         super.viewDidLoad()
-        tableView.registerNib(UINib(nibName: "PostCell", bundle: NSBundle.mainBundle()), forCellReuseIdentifier: cellIdentifier)
+        tableView.register(UINib(nibName: "PostCell", bundle: Bundle.main), forCellReuseIdentifier: cellIdentifier)
         tableView.estimatedRowHeight = 60.0;
         tableView.rowHeight = UITableViewAutomaticDimension
         tableView.allowsSelection = false
@@ -51,24 +51,24 @@ class TableChildExampleViewController: UITableViewController, IndicatorInfoProvi
         }
     }
 
-    override func viewWillAppear(animated: Bool) {
+    override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         tableView.reloadData()
     }
 
     // MARK: - UITableViewDataSource
 
-    override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
+    override func numberOfSections(in tableView: UITableView) -> Int {
         return 1
     }
 
-    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         return DataProvider.sharedInstance.postsData.count
     }
-    
-    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
-        let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentifier, forIndexPath: indexPath) as! PostCell
-        let data = DataProvider.sharedInstance.postsData.objectAtIndex(indexPath.row) as!
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier, for: indexPath) as! PostCell
+        let data = DataProvider.sharedInstance.postsData.object(at: indexPath.row) as!
     NSDictionary
         cell.configureWithData(data)
         if blackTheme {
@@ -79,7 +79,7 @@ class TableChildExampleViewController: UITableViewController, IndicatorInfoProvi
 
     // MARK: - IndicatorInfoProvider
 
-    func indicatorInfoForPagerTabStrip(pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
+    func indicatorInfo(for pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
         return itemInfo
     }
 }