Updated README requirements.

in swift 4, swift subclasses of objective-c classes don't export members by default, see https://help.apple.com/xcode/mac/current/#/deve838b19a1

Pod/Classes/SideMenuManager.swift

@@ -16,6 +16,7 @@
      SideMenuManager.menuAddScreenEdgePanGesturesToPresent(toView: self.navigationController!.view)
 */
 
+@objcMembers
 open class SideMenuManager : NSObject {
     
     @objc public enum MenuPushStyle : Int {
@@ -132,6 +133,14 @@ open class SideMenuManager : NSObject {
     
     /// Default instance of SideMenuManager.
     open static let `default` = SideMenuManager()
+    
+    /// Default instance of SideMenuManager (objective-C).
+    open class var defaultManager: SideMenuManager {
+        get {
+            return SideMenuManager.default
+        }
+    }
+    
     internal var transition: SideMenuTransition!
     
     public override init() {

Pod/Classes/UISideMenuNavigationController.swift

@@ -7,21 +7,14 @@
 
 import UIKit
 
-@objc public protocol UISideMenuNavigationControllerDelegate: class {
-    func sideMenuWillAppear(menu: UISideMenuNavigationController, animated: Bool)
-    func sideMenuDidAppear(menu: UISideMenuNavigationController, animated: Bool)
-    func sideMenuWillDisappear(menu: UISideMenuNavigationController, animated: Bool)
-    func sideMenuDidDisappear(menu: UISideMenuNavigationController, animated: Bool)
-}
-
-// This makes adherance to the protocol optional:
-extension UIViewController {
-    func sideMenuWillAppear(menu: UISideMenuNavigationController, animated: Bool) {}
-    func sideMenuDidAppear(menu: UISideMenuNavigationController, animated: Bool) {}
-    func sideMenuWillDisappear(menu: UISideMenuNavigationController, animated: Bool) {}
-    func sideMenuDidDisappear(menu: UISideMenuNavigationController, animated: Bool) {}
+@objc public protocol UISideMenuNavigationControllerDelegate {
+    @objc optional func sideMenuWillAppear(menu: UISideMenuNavigationController, animated: Bool)
+    @objc optional func sideMenuDidAppear(menu: UISideMenuNavigationController, animated: Bool)
+    @objc optional func sideMenuWillDisappear(menu: UISideMenuNavigationController, animated: Bool)
+    @objc optional func sideMenuDidDisappear(menu: UISideMenuNavigationController, animated: Bool)
 }
 
+@objcMembers
 open class UISideMenuNavigationController: UINavigationController {
     
     fileprivate weak var foundDelegate: UISideMenuNavigationControllerDelegate?
@@ -58,7 +51,7 @@ open class UISideMenuNavigationController: UINavigationController {
     }
     
     /// Delegate for receiving appear and disappear related events. If `nil` the visible view controller that displays a `UISideMenuNavigationController` automatically receives these events.
-    weak var sideMenuDelegate: UISideMenuNavigationControllerDelegate?
+    open weak var sideMenuDelegate: UISideMenuNavigationControllerDelegate?
     
     /// SideMenuManager instance associated with this menu. Default is `SideMenuManager.default`. This property cannot be changed after the menu has loaded.
     open weak var sideMenuManager: SideMenuManager! = SideMenuManager.default {
@@ -109,6 +102,10 @@ open class UISideMenuNavigationController: UINavigationController {
     public override init(rootViewController: UIViewController) {
         super.init(rootViewController: rootViewController)
     }
+
+    public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
+        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
+    }
     
     public required init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
@@ -140,7 +137,7 @@ open class UISideMenuNavigationController: UINavigationController {
         presentingViewController?.view.endEditing(true)
         
         foundDelegate = nil
-        activeDelegate?.sideMenuWillAppear(menu: self, animated: animated)
+        activeDelegate?.sideMenuWillAppear?(menu: self, animated: animated)
     }
     
     override open func viewDidAppear(_ animated: Bool) {
@@ -156,7 +153,7 @@ open class UISideMenuNavigationController: UINavigationController {
             return
         }
         
-        activeDelegate?.sideMenuDidAppear(menu: self, animated: animated)
+        activeDelegate?.sideMenuDidAppear?(menu: self, animated: animated)
         
         #if !STFU_SIDEMENU
         if topViewController == nil {
@@ -196,16 +193,16 @@ open class UISideMenuNavigationController: UINavigationController {
                            options: sideMenuManager.menuAnimationOptions,
                            animations: {
                             self.transition.hideMenuStart()
-                            self.activeDelegate?.sideMenuWillDisappear(menu: self, animated: animated)
+                            self.activeDelegate?.sideMenuWillDisappear?(menu: self, animated: animated)
             }) { (finished) -> Void in
-                self.activeDelegate?.sideMenuDidDisappear(menu: self, animated: animated)
+                self.activeDelegate?.sideMenuDidDisappear?(menu: self, animated: animated)
                 self.view.isHidden = true
             }
             
             return
         }
         
-        activeDelegate?.sideMenuWillDisappear(menu: self, animated: animated)
+        activeDelegate?.sideMenuWillDisappear?(menu: self, animated: animated)
     }
     
     override open func viewDidDisappear(_ animated: Bool) {
@@ -219,7 +216,7 @@ open class UISideMenuNavigationController: UINavigationController {
             transition.hideMenuStart().hideMenuComplete()
         }
         
-        activeDelegate?.sideMenuDidDisappear(menu: self, animated: animated)
+        activeDelegate?.sideMenuDidDisappear?(menu: self, animated: animated)
         
         // Clear selecton on UITableViewControllers when reappearing using custom transitions
         guard let tableViewController = topViewController as? UITableViewController,
@@ -276,7 +273,7 @@ open class UISideMenuNavigationController: UINavigationController {
             let animated = animated || sideMenuManager.menuAlwaysAnimate
             
             CATransaction.setCompletionBlock( { () -> Void in
-                activeDelegate?.sideMenuDidDisappear(menu: self, animated: animated)
+                activeDelegate?.sideMenuDidDisappear?(menu: self, animated: animated)
                 if !animated {
                     self.transition.hideMenuStart().hideMenuComplete()
                 }
@@ -292,7 +289,7 @@ open class UISideMenuNavigationController: UINavigationController {
                                initialSpringVelocity: sideMenuManager.menuAnimationInitialSpringVelocity,
                                options: sideMenuManager.menuAnimationOptions,
                                animations: {
-                                activeDelegate?.sideMenuWillDisappear(menu: self, animated: animated)
+                                activeDelegate?.sideMenuWillDisappear?(menu: self, animated: animated)
                                 self.transition.hideMenuStart()
                 })
                 UIView.setAnimationsEnabled(areAnimationsEnabled)

README.md

@@ -31,6 +31,8 @@ Check out the example project to see it in action!
 | ![](etc/SlideOut.gif) | ![](etc/SlideIn.gif) | ![](etc/Dissolve.gif) | ![](etc/InOut.gif) |
 
 ## Requirements
+- [x] Xcode 9.
+- [x] Swift 4.
 - [x] iOS 8 or higher.
 
 ## Installation
@@ -126,7 +128,7 @@ dismiss(animated: true, completion: nil)
 That's it.
 ### Customization
 #### SideMenuManager
-Just type ` SideMenuManager.default.menu...` and code completion will show you everything you can customize (defaults are shown below for reference):
+Just type ` SideMenuManager.default.menu...` and code completion will show you everything you can customize (for Objective-C, use `SideMenuManager.defaultManager.menu...`). Defaults values are shown below for reference:
 ``` swift
 /**
 The push style of the menu.

SideMenu.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "SideMenu"
-  s.version          = "3.1.3"
+  s.version          = "3.1.5"
   s.summary          = "Simple side menu control for iOS in Swift inspired by Facebook. Right and Left sides. No coding required."
 
 # This description is used to generate tags and improve search results.