ported to swift 3

ButtonBackgroundColor-iOS/UIButton+ButtonBackgroundColor.swift

@@ -27,16 +27,17 @@ public extension UIButton
      - parameter highlighted: the color for a highlighted state.
      */
     @objc(bbc_backgroundColorNormal:backgroundColorHighlighted:)
-    public func backgroundColorForStates(normal normal: UIColor, highlighted: UIColor)
+    public func backgroundColorForStates(normal: UIColor, highlighted: UIColor)
     {
         //set normal background color
         backgroundColor = normal
 
         //handle states
-        addTarget(self, action:#selector(UIButton.buttonTouchUpInside(_:)), forControlEvents:.TouchUpInside)
-        addTarget(self, action:#selector(UIButton.buttonTouchUpOutside(_:)), forControlEvents:.TouchUpOutside)
-        addTarget(self, action:#selector(UIButton.buttonTouchDown(_:)), forControlEvents:.TouchDown)
-        addTarget(self, action:#selector(UIButton.buttonTouchCancel(_:)), forControlEvents:.TouchCancel)
+
+        addTarget(self, action:#selector(UIButton.buttonTouchUpInside), for:.touchUpInside)
+        addTarget(self, action:#selector(UIButton.buttonTouchUpOutside), for:.touchUpOutside)
+        addTarget(self, action:#selector(UIButton.buttonTouchDown), for:.touchDown)
+        addTarget(self, action:#selector(UIButton.buttonTouchCancel), for:.touchCancel)
 
         //store colors
         objc_setAssociatedObject(self, &BackgroundColorNormal, normal, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
@@ -72,7 +73,7 @@ public extension UIButton
 
      - parameter sender: the button.
      */
-    func buttonTouchUpInside(sender: UIButton)
+    public func buttonTouchUpInside(sender: UIButton)
     {
         sender.backgroundColor = normalBackgroundColor()
     }
@@ -82,7 +83,7 @@ public extension UIButton
 
      - parameter sender: the button.
      */
-    func buttonTouchUpOutside(sender: UIButton)
+    public func buttonTouchUpOutside(sender: UIButton)
     {
         sender.backgroundColor = normalBackgroundColor()
     }
@@ -92,7 +93,7 @@ public extension UIButton
 
      - parameter sender: the button.
      */
-    func buttonTouchDown(sender: UIButton)
+    public func buttonTouchDown(sender: UIButton)
     {
         sender.backgroundColor = highlightedBackgroundColor()
     }
@@ -102,8 +103,8 @@ public extension UIButton
 
      - parameter sender: the button.
      */
-    func buttonTouchCancel(sender: UIButton)
+    public func buttonTouchCancel(sender: UIButton)
     {
         sender.backgroundColor = normalBackgroundColor()
     }
-}
+}

ButtonBackgroundColor.xcodeproj/project.pbxproj

@@ -160,14 +160,17 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 0720;
+				LastUpgradeCheck = 0800;
 				ORGANIZATIONNAME = GabrielMassana;
 				TargetAttributes = {
 					C0D132EB1CBD36B200CF0C2B = {
 						CreatedOnToolsVersion = 7.2;
+						DevelopmentTeam = A6GQ5E3LKE;
+						LastSwiftMigration = 0800;
 					};
 					C0D1330C1CBD555700CF0C2B = {
 						CreatedOnToolsVersion = 7.2;
+						LastSwiftMigration = 0800;
 						TestTargetID = C0D132EB1CBD36B200CF0C2B;
 					};
 				};
@@ -273,8 +276,10 @@
 				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";
@@ -317,8 +322,10 @@
 				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";
@@ -337,6 +344,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 9.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -345,21 +353,25 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = A6GQ5E3LKE;
 				INFOPLIST_FILE = ButtonBackgroundColor/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "Gabriel-Massana.ButtonBackgroundColor";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
 		C0D133001CBD36B200CF0C2B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = A6GQ5E3LKE;
 				INFOPLIST_FILE = ButtonBackgroundColor/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "Gabriel-Massana.ButtonBackgroundColor";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -371,6 +383,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "Gabriel-Massana.ButtonBackgroundColorTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ButtonBackgroundColor.app/ButtonBackgroundColor";
 			};
 			name = Debug;
@@ -383,6 +396,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "Gabriel-Massana.ButtonBackgroundColorTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 3.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ButtonBackgroundColor.app/ButtonBackgroundColor";
 			};
 			name = Release;
@@ -415,6 +429,7 @@
 				C0D133161CBD555700CF0C2B /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};

ButtonBackgroundColor.xcodeproj/xcshareddata/xcschemes/ButtonBackgroundColor.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0720"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

ButtonBackgroundColor.xcodeproj/xcshareddata/xcschemes/ButtonBackgroundColorTests.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0720"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

ButtonBackgroundColor/Example/AppDelegate.swift

@@ -14,30 +14,31 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
 
 
-    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
-        // Override point for customization after application launch.
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool {
+
+    // Override point for customization after application launch.
         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:.
     }
 

ButtonBackgroundColor/Example/ViewController.swift

@@ -14,17 +14,20 @@ class ViewController: UIViewController
     {
         super.viewDidLoad()
 
-        let button: UIButton = UIButton(type: .Custom)
+        let button: UIButton = UIButton(type: .custom)
 
-        button.frame = CGRectMake(0.0, 100.0, CGRectGetWidth(UIScreen.mainScreen().bounds), 80.0)
-        button.backgroundColorForStates(normal: UIColor.redColor(), highlighted: UIColor.blueColor())
+        let mainscreenWidth = UIScreen.main.bounds.width
+
+        button.frame = CGRect(x: 0.0, y: 100.0, width: mainscreenWidth, height: 80.0)
+
+        button.backgroundColorForStates(normal: UIColor.red, highlighted: UIColor.blue)
 
         view.addSubview(button)
 
-        let buttonWithout: UIButton = UIButton(type: .Custom)
+        let buttonWithout: UIButton = UIButton(type: .custom)
 
-        buttonWithout.frame = CGRectMake(0.0, 200.0, CGRectGetWidth(UIScreen.mainScreen().bounds), 80.0)
-        buttonWithout.backgroundColor = UIColor.greenColor()
+        buttonWithout.frame = CGRect(x: 0.0, y: 200.0, width: mainscreenWidth, height: 80.0)
+        buttonWithout.backgroundColor = UIColor.green
 
         view.addSubview(buttonWithout)
     }

ButtonBackgroundColorTests/ButtonBackgroundColorTests.swift

@@ -26,14 +26,14 @@ class ButtonBackgroundColorTests: XCTestCase {
     {
         super.setUp()
 
-        normalColor = UIColor.redColor()
-        highlightedColor = UIColor.orangeColor()
+        normalColor = UIColor.red
+        highlightedColor = UIColor.orange
 
-        button = UIButton(type: .Custom)
+        button = UIButton(type: .custom)
 
         button!.backgroundColorForStates(normal: normalColor!, highlighted: highlightedColor!)
 
-        buttonWithoutExtension = UIButton(type: .Custom)
+        buttonWithoutExtension = UIButton(type: .custom)
 
         buttonWithoutExtension!.backgroundColor = normalColor
     }
@@ -87,28 +87,28 @@ class ButtonBackgroundColorTests: XCTestCase {
 
     func test_bbc_controlEventTouchDown()
     {
-        button!.sendActionsForControlEvents(.TouchDown)
+        button!.sendActions(for: .touchDown)
 
         XCTAssertEqual(button!.backgroundColor, highlightedColor,  "fail_test_bbc_controlEventTouchDown");
     }
 
     func test_bbc_controlEventTouchUpInside()
     {
-        button!.sendActionsForControlEvents(.TouchUpInside)
+        button!.sendActions(for: .touchUpInside)
 
         XCTAssertEqual(button!.backgroundColor, normalColor,  "test_bbc_controlEventTouchUpInside");
     }
 
     func test_bbc_controlEventTouchUpOutside()
     {
-        button!.sendActionsForControlEvents(.TouchUpOutside)
+        button!.sendActions(for: .touchUpOutside)
 
         XCTAssertEqual(button!.backgroundColor, normalColor,  "test_bbc_controlEventTouchUpOutside");
     }
 
     func test_bbc_controlEventTouchCancel()
     {
-        button!.sendActionsForControlEvents(.TouchCancel)
+        button!.sendActions(for: .touchCancel)
 
         XCTAssertEqual(button!.backgroundColor, normalColor,  "test_bbc_controlEventTouchCancel");
     }
@@ -117,28 +117,28 @@ class ButtonBackgroundColorTests: XCTestCase {
 
     func test_bbc_controlEventTouchDown_withoutExtension()
     {
-        buttonWithoutExtension!.sendActionsForControlEvents(.TouchDown)
+        buttonWithoutExtension!.sendActions(for: .touchDown)
 
         XCTAssertEqual(button!.backgroundColor, normalColor,  "test_bbc_controlEventTouchDown_withoutExtension");
     }
 
     func test_bbc_controlEventTouchUpInside_withoutExtension()
     {
-        buttonWithoutExtension!.sendActionsForControlEvents(.TouchUpInside)
+        buttonWithoutExtension!.sendActions(for: .touchUpInside)
 
         XCTAssertEqual(button!.backgroundColor, normalColor,  "test_bbc_controlEventTouchUpInside_withoutExtension");
     }
 
     func test_bbc_controlEventTouchUpOutside_withoutExtension()
     {
-        buttonWithoutExtension!.sendActionsForControlEvents(.TouchUpOutside)
+        buttonWithoutExtension!.sendActions(for: .touchUpOutside)
 
         XCTAssertEqual(button!.backgroundColor, normalColor,  "test_bbc_controlEventTouchUpOutside_withoutExtension");
     }
 
     func test_bbc_controlEventTouchCancel_withoutExtension()
     {
-        buttonWithoutExtension!.sendActionsForControlEvents(.TouchCancel)
+        buttonWithoutExtension!.sendActions(for: .touchCancel)
 
         XCTAssertEqual(button!.backgroundColor, normalColor,  "test_bbc_controlEventTouchCancel_withoutExtension");
     }