迁移到Swift 3

SwiftColors.swift

@@ -52,31 +52,31 @@ extension SWColor {
 
     // Check for hash and remove the hash
     if hex.hasPrefix("#") {
-      hex = hex.substringFromIndex(hex.startIndex.advancedBy(1))
+      hex = hex.substring(from: hex.characters.index(hex.startIndex, offsetBy: 1))
     }
 
-    if let _ = hex.rangeOfString("(^[0-9A-Fa-f]{6}$)|(^[0-9A-Fa-f]{3}$)", options: .RegularExpressionSearch) {
+    if let _ = hex.range(of: "(^[0-9A-Fa-f]{6}$)|(^[0-9A-Fa-f]{3}$)", options: .regularExpression) {
 
         // Deal with 3 character Hex strings
         if hex.characters.count == 3 {
-          let redHex   = hex.substringToIndex(hex.startIndex.advancedBy(1))
-          let greenHex = hex.substringWithRange(Range<String.Index>(start: hex.startIndex.advancedBy(1), end: hex.startIndex.advancedBy(2)))
-          let blueHex  = hex.substringFromIndex(hex.startIndex.advancedBy(2))
+          let redHex   = hex.substring(to: hex.characters.index(hex.startIndex, offsetBy: 1))
+          let greenHex = hex.substring(with: (hex.characters.index(hex.startIndex, offsetBy: 1) ..< hex.characters.index(hex.startIndex, offsetBy: 2)))
+          let blueHex  = hex.substring(from: hex.characters.index(hex.startIndex, offsetBy: 2))
 
           hex = redHex + redHex + greenHex + greenHex + blueHex + blueHex
         }
 
-        let redHex = hex.substringToIndex(hex.startIndex.advancedBy(2))
-        let greenHex = hex.substringWithRange(Range<String.Index>(start: hex.startIndex.advancedBy(2), end: hex.startIndex.advancedBy(4)))
-        let blueHex = hex.substringWithRange(Range<String.Index>(start: hex.startIndex.advancedBy(4), end: hex.startIndex.advancedBy(6)))
+        let redHex = hex.substring(to: hex.characters.index(hex.startIndex, offsetBy: 2))
+        let greenHex = hex.substring(with: (hex.characters.index(hex.startIndex, offsetBy: 2) ..< hex.characters.index(hex.startIndex, offsetBy: 4)))
+        let blueHex = hex.substring(with: (hex.characters.index(hex.startIndex, offsetBy: 4) ..< hex.characters.index(hex.startIndex, offsetBy: 6)))
 
         var redInt:   CUnsignedInt = 0
         var greenInt: CUnsignedInt = 0
         var blueInt:  CUnsignedInt = 0
 
-        NSScanner(string: redHex).scanHexInt(&redInt)
-        NSScanner(string: greenHex).scanHexInt(&greenInt)
-        NSScanner(string: blueHex).scanHexInt(&blueInt)
+        Scanner(string: redHex).scanHexInt32(&redInt)
+        Scanner(string: greenHex).scanHexInt32(&greenInt)
+        Scanner(string: blueHex).scanHexInt32(&blueInt)
 
         self.init(red: CGFloat(redInt) / 255.0, green: CGFloat(greenInt) / 255.0, blue: CGFloat(blueInt) / 255.0, alpha: CGFloat(alpha))
     }

SwiftSideslipLikeQQ.xcodeproj/project.pbxproj

@@ -179,14 +179,16 @@
 			attributes = {
 				LastSwiftMigration = 0700;
 				LastSwiftUpdateCheck = 0700;
-				LastUpgradeCheck = 0700;
+				LastUpgradeCheck = 0800;
 				ORGANIZATIONNAME = com.lvwenhan;
 				TargetAttributes = {
 					465933041AD7F60700969878 = {
 						CreatedOnToolsVersion = 6.3;
+						LastSwiftMigration = 0800;
 					};
 					465933191AD7F60700969878 = {
 						CreatedOnToolsVersion = 6.3;
+						LastSwiftMigration = 0800;
 						TestTargetID = 465933041AD7F60700969878;
 					};
 				};
@@ -298,8 +300,10 @@
 				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";
@@ -343,8 +347,10 @@
 				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";
@@ -363,6 +369,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -376,6 +383,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.lvwenhan.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -388,6 +396,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.lvwenhan.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -407,6 +416,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.lvwenhan.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/SwiftSideslipLikeQQ.app/SwiftSideslipLikeQQ";
 			};
 			name = Debug;
@@ -423,6 +433,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.lvwenhan.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/SwiftSideslipLikeQQ.app/SwiftSideslipLikeQQ";
 			};
 			name = Release;

SwiftSideslipLikeQQ.xcodeproj/xcuserdata/JohnLui.xcuserdatad/xcschemes/SwiftSideslipLikeQQ.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0700"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

SwiftSideslipLikeQQ/AppDelegate.swift

@@ -14,41 +14,41 @@ 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.
 
         // 改变 StatusBar 颜色
-        application.statusBarStyle = UIStatusBarStyle.LightContent
+        application.statusBarStyle = UIStatusBarStyle.lightContent
 
         // 改变 navigation bar 的背景色及前景色
         let navigationBarAppearace = UINavigationBar.appearance()
-        navigationBarAppearace.translucent = false
+        navigationBarAppearace.isTranslucent = false
         navigationBarAppearace.barTintColor = UIColor(hex: 0x25b6ed)
-        navigationBarAppearace.tintColor = UIColor.whiteColor()
-        navigationBarAppearace.titleTextAttributes = [NSForegroundColorAttributeName:UIColor.whiteColor()]
+        navigationBarAppearace.tintColor = UIColor.white
+        navigationBarAppearace.titleTextAttributes = [NSForegroundColorAttributeName:UIColor.white]
 
         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:.
     }
 

SwiftSideslipLikeQQ/Common.swift

@@ -10,8 +10,8 @@ import UIKit
 
 struct Common {
     // Swift 中， static let 才是真正可靠好用的单例模式
-    static let screenWidth = UIScreen.mainScreen().applicationFrame.maxX
-    static let screenHeight = UIScreen.mainScreen().applicationFrame.maxY
-    static let rootViewController = UIApplication.sharedApplication().keyWindow?.rootViewController as! ViewController
-    static let contactsVC = UIStoryboard(name: "Main", bundle: nil).instantiateViewControllerWithIdentifier("Contacts") 
+    static let screenWidth = UIScreen.main.applicationFrame.maxX
+    static let screenHeight = UIScreen.main.applicationFrame.maxY
+    static let rootViewController = UIApplication.shared.keyWindow?.rootViewController as! ViewController
+    static let contactsVC = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "Contacts") 
 }

SwiftSideslipLikeQQ/HomeViewController.swift

@@ -20,8 +20,8 @@ class HomeViewController: UIViewController {
         // 设置中间 segmentView 视图
         let segmentView = UISegmentedControl(items: ["消息", "电话"])
         segmentView.selectedSegmentIndex = 0
-        segmentView.setWidth(60, forSegmentAtIndex: 0)
-        segmentView.setWidth(60, forSegmentAtIndex: 1)
+        segmentView.setWidth(60, forSegmentAt: 0)
+        segmentView.setWidth(60, forSegmentAt: 1)
         self.navigationItem.titleView = segmentView
     }
 
@@ -35,9 +35,9 @@ class HomeViewController: UIViewController {
     // MARK: - Navigation
 
     // In a storyboard-based application, you will often want to do a little preparation before navigation
-    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
         if segue.identifier == "showOtherPages" {
-            if let a = segue.destinationViewController as? OtherPageViewController {
+            if let a = segue.destination as? OtherPageViewController {
                 a.PageTitle = titleOfOtherPages
             }
         }

SwiftSideslipLikeQQ/LeftViewController.swift

@@ -26,7 +26,7 @@ class LeftViewController: UIViewController, UITableViewDelegate, UITableViewData
         settingTableView.tableFooterView = UIView()
 
         heightLayoutConstraintOfSettingTableView.constant = Common.screenHeight < 500 ? Common.screenHeight * (568 - 221) / 568 : 347
-        self.view.frame = CGRectMake(0, 0, 320 * 0.78, Common.screenHeight)
+        self.view.frame = CGRect(x: 0, y: 0, width: 320 * 0.78, height: Common.screenHeight)
     }
 
     override func didReceiveMemoryWarning() {
@@ -35,29 +35,29 @@ class LeftViewController: UIViewController, UITableViewDelegate, UITableViewData
     }
 
     // 处理点击事件
-    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         let viewController = Common.rootViewController
-        viewController.homeViewController.titleOfOtherPages = titlesDictionary[indexPath.row]
-        viewController.homeViewController.performSegueWithIdentifier("showOtherPages", sender: self)
+        viewController.homeViewController.titleOfOtherPages = titlesDictionary[(indexPath as NSIndexPath).row]
+        viewController.homeViewController.performSegue(withIdentifier: "showOtherPages", sender: self)
         Common.contactsVC.view.removeFromSuperview()
-        viewController.mainTabBarController.tabBar.hidden = true
+        viewController.mainTabBarController.tabBar.isHidden = true
         viewController.mainTabBarController.selectedIndex = 0
         viewController.showHome()
-        tableView.deselectRowAtIndexPath(indexPath, animated: false)
+        tableView.deselectRow(at: indexPath, animated: false)
     }
 
-    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         return 7
     }
-    func numberOfSectionsInTableView(tableView: UITableView) -> Int {
+    func numberOfSections(in tableView: UITableView) -> Int {
         return 1
     }
 
-    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
-        let cell = tableView.dequeueReusableCellWithIdentifier("leftViewCell", forIndexPath: indexPath) 
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "leftViewCell", for: indexPath) 
 
-        cell.backgroundColor = UIColor.clearColor()
-        cell.textLabel!.text = titlesDictionary[indexPath.row]
+        cell.backgroundColor = UIColor.clear
+        cell.textLabel!.text = titlesDictionary[(indexPath as NSIndexPath).row]
 
         return cell
     }

SwiftSideslipLikeQQ/MainTabBarController.swift

@@ -23,14 +23,14 @@ class MainTabBarController: UITabBarController {
     }
 
     // 覆写了 TabBar 的点击效果
-    override func tabBar(tabBar: UITabBar, didSelectItem item: UITabBarItem) {
+    override func tabBar(_ tabBar: UITabBar, didSelect item: UITabBarItem) {
         switch item.tag {
         case 0:
             Common.contactsVC.view.removeFromSuperview()
         case 1:
             // 这里为了省事采用了简单的 addSubView 方案，真正项目中应该采用 TabBar Controller 自带的 self.viewControllers 方案
             Common.rootViewController.mainTabBarController.view.addSubview(Common.contactsVC.view)
-            Common.rootViewController.mainTabBarController.view.bringSubviewToFront(Common.rootViewController.mainTabBarController.tabBar)
+            Common.rootViewController.mainTabBarController.view.bringSubview(toFront: Common.rootViewController.mainTabBarController.tabBar)
         case 2:
             print("Just like case 1 ↑")
         default:

SwiftSideslipLikeQQ/OtherPageViewController.swift

@@ -21,11 +21,11 @@ class OtherPageViewController: UIViewController {
         mainLabel.text = PageTitle
 
         // 自定义返回按钮
-        let backButton = UIBarButtonItem(title: "く返回", style: UIBarButtonItemStyle.Plain, target: self, action: "goBack")
+        let backButton = UIBarButtonItem(title: "く返回", style: UIBarButtonItemStyle.plain, target: self, action: #selector(OtherPageViewController.goBack))
         self.navigationItem.leftBarButtonItem = backButton
 
         // 弥补因为返回按钮被替换导致的边缘滑入手势失效的问题
-        let gesture = UIPanGestureRecognizer(target: self, action: "goBack")
+        let gesture = UIPanGestureRecognizer(target: self, action: #selector(OtherPageViewController.goBack))
         self.view.addGestureRecognizer(gesture)
     }
 
@@ -35,8 +35,8 @@ class OtherPageViewController: UIViewController {
     }
 
     func goBack() {
-        self.navigationController?.popViewControllerAnimated(true)
-        Common.rootViewController.mainTabBarController.tabBar.hidden = false
+        _ = self.navigationController?.popViewController(animated: true)
+        Common.rootViewController.mainTabBarController.tabBar.isHidden = false
     }
 
     /*