Fix for rare crash when app is backgrounded.

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - SideMenu (1.0.0)
+  - SideMenu (1.0.2)
 
 DEPENDENCIES:
   - SideMenu (from `../`)
@@ -9,6 +9,6 @@ EXTERNAL SOURCES:
     :path: ../
 
 SPEC CHECKSUMS:
-  SideMenu: 97ed15625c7b86c4090c2e931a3e5ee89f050afa
+  SideMenu: 190288fb750f9a2ca53bdd017374e520843f612f
 
 COCOAPODS: 0.39.0

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

@@ -1,6 +1,6 @@
 {
   "name": "SideMenu",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "summary": "Simple side menu control in Swift inspired by Facebook. Right and Left sides. No coding required.",
   "description": "SideMenu is a simple and versatile side menu control. It's highly customizable, but can also be implemented in storyboard without a single line of code. The are three standard animation styles to choose from along with several other options for further customization if desired. Just type SideMenuManager.menu... and code completion will show you everything you can customize.",
   "homepage": "https://github.com/jonkykong/SideMenu",
@@ -11,7 +11,7 @@
   },
   "source": {
     "git": "https://github.com/jonkykong/SideMenu.git",
-    "tag": "1.0.0"
+    "tag": "1.0.2"
   },
   "platforms": {
     "ios": "8.0"

Example/Pods/Manifest.lock

@@ -1,5 +1,5 @@
 PODS:
-  - SideMenu (1.0.0)
+  - SideMenu (1.0.2)
 
 DEPENDENCIES:
   - SideMenu (from `../`)
@@ -9,6 +9,6 @@ EXTERNAL SOURCES:
     :path: ../
 
 SPEC CHECKSUMS:
-  SideMenu: 97ed15625c7b86c4090c2e931a3e5ee89f050afa
+  SideMenu: 190288fb750f9a2ca53bdd017374e520843f612f
 
 COCOAPODS: 0.39.0

Example/Pods/Target Support Files/SideMenu/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.0</string>
+	<string>1.0.2</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Pod/Classes/SideMenuTransition.swift

@@ -135,6 +135,8 @@ internal class SideMenuTransition: UIPercentDrivenInteractiveTransition, UIViewC
     }
     
     internal class func hideMenuStart() {
+        NSNotificationCenter.defaultCenter().removeObserver(SideMenuTransition.singleton)
+        
         let mainViewController = SideMenuTransition.viewControllerForPresentedMenu!
         let menuView = SideMenuTransition.presentDirection == .Left ? SideMenuManager.menuLeftNavigationController!.view : SideMenuManager.menuRightNavigationController!.view
         menuView.transform = CGAffineTransformIdentity
@@ -174,7 +176,6 @@ internal class SideMenuTransition: UIPercentDrivenInteractiveTransition, UIViewC
         mainViewController.view.motionEffects.removeAll()
         mainViewController.view.layer.shadowOpacity = 0
         menuView.layer.shadowOpacity = 0
-        NSNotificationCenter.defaultCenter().removeObserver(self)
         if let topNavigationController = mainViewController as? UINavigationController {
             topNavigationController.interactivePopGestureRecognizer!.enabled = true
         }
@@ -217,6 +218,8 @@ internal class SideMenuTransition: UIPercentDrivenInteractiveTransition, UIViewC
     }
     
     internal class func presentMenuComplete() {
+        NSNotificationCenter.defaultCenter().addObserver(SideMenuTransition.singleton, selector:"applicationDidEnterBackgroundNotification", name: UIApplicationDidEnterBackgroundNotification, object: nil)
+        
         let mainViewController = SideMenuTransition.viewControllerForPresentedMenu!
         switch SideMenuManager.menuPresentMode {
         case .MenuSlideIn, .MenuDissolveIn:
@@ -303,9 +306,6 @@ internal class SideMenuTransition: UIPercentDrivenInteractiveTransition, UIViewC
             }
             
             SideMenuTransition.hideMenuStart() // offstage for interactive
-            
-            NSNotificationCenter.defaultCenter().removeObserver(self)
-            NSNotificationCenter.defaultCenter().addObserver(SideMenuTransition.singleton, selector:"applicationDidEnterBackgroundNotification", name: UIApplicationDidEnterBackgroundNotification, object: nil)
         }
         
         // perform the animation!
@@ -326,6 +326,8 @@ internal class SideMenuTransition: UIPercentDrivenInteractiveTransition, UIViewC
                 if transitionContext.transitionWasCancelled() {
                     if self.presenting {
                         SideMenuTransition.hideMenuComplete()
+                    } else {
+                        SideMenuTransition.presentMenuComplete()
                     }
                     transitionContext.completeTransition(false)
                 } else {

SideMenu.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "SideMenu"
-  s.version          = "1.0.1"
+  s.version          = "1.0.2"
   s.summary          = "Simple side menu control in Swift inspired by Facebook. Right and Left sides. No coding required."
 
 # This description is used to generate tags and improve search results.