Add support for Swift 4 and Xcode 9

Author: BalestraPatrick

Example/ParticlesLoadingView.xcodeproj/project.pbxproj

@@ -161,12 +161,12 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 0810;
+				LastUpgradeCheck = 0900;
 				ORGANIZATIONNAME = CocoaPods;
 				TargetAttributes = {
 					607FACCF1AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 				};
 			};
@@ -291,14 +291,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = 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_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -338,14 +344,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = 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_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -392,7 +404,8 @@
 				PODS_FRAMEWORK_BUILD_PATH = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)/Pods-ParticlesLoadingView_Example";
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = ParticlesLoadingView_Example;
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -420,7 +433,8 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = ParticlesLoadingView_Example;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 3.0;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};

Example/ParticlesLoadingView.xcodeproj/xcshareddata/xcschemes/ParticlesLoadingView-Example.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0810"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -82,17 +82,17 @@ public class ParticlesLoadingView: UIView {
     }
 
     /// Start the particles emission and the animation around the border of the view.
-    public override func startAnimating() {
+    @objc public override func startAnimating() {
         scene.startAnimating()
     }
 
     /// Stop the particles emission.
-    public override func stopAnimating() {
+    @objc public override func stopAnimating() {
         scene.stopAnimating()
     }
 
     /// Returns true if the view is emmitting particles, otherwise false.
-    public override func isEmitting() -> Bool {
+    @objc public override func isEmitting() -> Bool {
         return scene.isEmitting()
     }
 

Pod/Classes/ParticlesLoadingView.swift

@@ -42,7 +42,7 @@ public extension UIView {
     }
 
     /// Start animating the emitter node.
-    public func startAnimating() {
+    @objc public func startAnimating() {
         for case let spriteKitView as SKView in subviews {
             if let scene = spriteKitView.scene, let particlesScene = scene as? ParticlesScene {
                 particlesScene.startAnimating()
@@ -51,7 +51,7 @@ public extension UIView {
     }
 
     /// Stop animating the emitter node.
-    public func stopAnimating() {
+    @objc public func stopAnimating() {
         for case let spriteKitView as SKView in subviews {
             if let scene = spriteKitView.scene, let particlesScene = scene as? ParticlesScene {
                 particlesScene.stopAnimating()
@@ -60,7 +60,7 @@ public extension UIView {
     }
 
     /// Returns true if the animation is ongoing, otherwise false.
-    public func isEmitting() -> Bool {
+    @objc public func isEmitting() -> Bool {
         for case let spriteKitView as SKView in subviews {
             if let scene = spriteKitView.scene, let particlesScene = scene as? ParticlesScene {
                 return particlesScene.isEmitting()