Fix

Author: EyreFree

Example/Podfile.lock

@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  WRNavigationBar_swift: ec68cfa6759f2f2a3815412ddca899ec2c7b17b5
+  WRNavigationBar_swift: 2aa357390ecb7e3cc50dffb0b82c338e1dffad63
 
 PODFILE CHECKSUM: b9c9e56e2153483fea864e416272c298196d42b7
 

Example/Pods/Local Podspecs/WRNavigationBar_swift.podspec.json

@@ -287,10 +287,12 @@
 				TargetAttributes = {
 					607FACCF1AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
+						DevelopmentTeam = P3X2725LYY;
 						LastSwiftMigration = 0900;
 					};
 					607FACE41AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
+						DevelopmentTeam = P3X2725LYY;
 						LastSwiftMigration = 0900;
 						TestTargetID = 607FACCF1AFB9204008FA782;
 					};
@@ -565,7 +567,7 @@
 			baseConfigurationReference = 3C739D7B7E47049E273E27D6 /* Pods-WRNavigationBar_swift_Example.debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = P3X2725LYY;
 				INFOPLIST_FILE = WRNavigationBar_swift/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
@@ -581,7 +583,7 @@
 			baseConfigurationReference = 1CE6177B91612B092B9820D6 /* Pods-WRNavigationBar_swift_Example.release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = P3X2725LYY;
 				INFOPLIST_FILE = WRNavigationBar_swift/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
@@ -596,7 +598,7 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 95AD45F4B1519FF22CE4A582 /* Pods-WRNavigationBar_swift_Tests.debug.xcconfig */;
 			buildSettings = {
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = P3X2725LYY;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(SDKROOT)/Developer/Library/Frameworks",
 					"$(inherited)",
@@ -619,7 +621,7 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 8A798F447A512F554761A078 /* Pods-WRNavigationBar_swift_Tests.release.xcconfig */;
 			buildSettings = {
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = P3X2725LYY;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(SDKROOT)/Developer/Library/Frameworks",
 					"$(inherited)",

Example/Pods/Manifest.lock

@@ -10,10 +10,11 @@ WRNavigationBar which allows you to change NavigationBar's appearance dynamicall
   s.homepage         = 'https://github.com/wangrui460/WRNavigationBar_swift'
   # s.screenshots     = 'www.example.com/screenshots_1', 'www.example.com/screenshots_2'
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
-  s.author           = { 'EyreFree' => 'eyrefree@eyrefree.org' }
+  s.author           = { 'wangrui460' => 'wangruidev@gmail.com' }
   s.source           = { :git => 'https://github.com/wangrui460/WRNavigationBar_swift.git', :tag => s.version.to_s }
   # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
 
+  s.swift_version = "4.2"
   s.ios.deployment_target = '8.0'
 
   s.source_files = 'WRNavigationBar_swift/Classes/**/*'

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -46,20 +46,15 @@ public extension UIViewController
         }
     }
 
-    class func wr_currentViewController(from fromVC:UIViewController) -> UIViewController
+    class func wr_currentViewController(from fromVC: UIViewController) -> UIViewController
     {
-        if fromVC.isKind(of: UINavigationController.self) {
-            let navigationController = fromVC as! UINavigationController
-            return wr_currentViewController(from: navigationController.viewControllers.last!)
-        }
-        else if fromVC.isKind(of: UITabBarController.self) {
-            let tabBarController = fromVC as! UITabBarController
-            return wr_currentViewController(from: tabBarController.selectedViewController!)
-        }
-        else if fromVC.presentedViewController != nil {
-            return wr_currentViewController(from:fromVC.presentingViewController!)
-        }
-        else {
+        if let navigationController = fromVC as? UINavigationController, let subViewController = navigationController.viewControllers.last {
+            return wr_currentViewController(from: subViewController)
+        } else if let tabBarController = fromVC as? UITabBarController, let subViewController = tabBarController.selectedViewController {
+            return wr_currentViewController(from: subViewController)
+        } else if let presentedViewController = fromVC.presentedViewController {
+            return wr_currentViewController(from: presentedViewController)
+        } else {
             return fromVC
         }
     }