class AppDelegate
  include CDQ

  def application(application, didFinishLaunchingWithOptions:launchOptions)
    cdq.setup
    window.makeKeyAndVisible
    window.rootViewController = navigationController
  end

  def window
    @window ||= \
      UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds)
  end

  def timersController
    @timersController ||= \
      TimersController.alloc.initWithNibName(nil, bundle: nil)
  end

  def navigationController
    @navigationController ||= \
      UINavigationController.alloc.initWithRootViewController(timersController)
  end
end

class AppDelegate
  include CDQ

  def application(application, didFinishLaunchingWithOptions:launchOptions)
    cdq.setup
    window.makeKeyAndVisible
    window.rootViewController = navigation_controller
  end

  def window
    @window ||= \
      UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds)
  end

  def timers_controller
    @timers_controller ||= \
      TimersController.alloc.initWithNibName(nil, bundle: nil)
  end

  def navigation_controller
    @navigation_controller ||= \
      UINavigationController.alloc.initWithRootViewController(timers_controller)
  end
end

--- 
+++ 
@@ -4,7 +4,7 @@
   def application(application, didFinishLaunchingWithOptions:launchOptions)
     cdq.setup
     window.makeKeyAndVisible
-    window.rootViewController = navigation_controller
+    window.rootViewController = navigationController
   end
 
   def window
@@ -12,13 +12,13 @@
       UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds)
   end
 
-  def timers_controller
-    @timers_controller ||= \
+  def timersController
+    @timersController ||= \
       TimersController.alloc.initWithNibName(nil, bundle: nil)
   end
 
-  def navigation_controller
-    @navigation_controller ||= \
-      UINavigationController.alloc.initWithRootViewController(timers_controller)
+  def navigationController
+    @navigationController ||= \
+      UINavigationController.alloc.initWithRootViewController(timersController)
   end
 end
Rename controllers per iOS naming conventions.

https://developer.apple.com/library/ios/documentation/Cocoa/Conceptual/P
rogrammingWithObjectiveC/Conventions/Conventions.html
