diff --git a/LandscapeController_Swift/LandscapeController_Swift.xcodeproj/project.pbxproj b/LandscapeController_Swift/LandscapeController_Swift.xcodeproj/project.pbxproj
index 7599245..1279755 100644
--- a/LandscapeController_Swift/LandscapeController_Swift.xcodeproj/project.pbxproj
+++ b/LandscapeController_Swift/LandscapeController_Swift.xcodeproj/project.pbxproj
@@ -94,7 +94,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 0730;
+				LastUpgradeCheck = 0920;
 				ORGANIZATIONNAME = "Olga Dalton";
 				TargetAttributes = {
 					B28BDDD41D1866E100F071FB = {
@@ -175,13 +175,21 @@
 				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;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -220,13 +228,21 @@
 				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;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -245,6 +261,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -257,6 +274,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.olxios.landscape.LandscapeController-Swift";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -268,6 +286,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.olxios.landscape.LandscapeController-Swift";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
diff --git a/LandscapeController_Swift/LandscapeController_Swift/AppDelegate.swift b/LandscapeController_Swift/LandscapeController_Swift/AppDelegate.swift
index d530e95..08f8ce9 100644
--- a/LandscapeController_Swift/LandscapeController_Swift/AppDelegate.swift
+++ b/LandscapeController_Swift/LandscapeController_Swift/AppDelegate.swift
@@ -15,36 +15,36 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     // MARK: Application State
 
-    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
+    private func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
         // Override point for customization after application launch.
         return true
     }
 
-    func applicationWillResignActive(application: UIApplication) {}
+    func applicationWillResignActive(_ application: UIApplication) {}
 
-    func applicationDidEnterBackground(application: UIApplication) {}
+    func applicationDidEnterBackground(_ application: UIApplication) {}
 
-    func applicationWillEnterForeground(application: UIApplication) {}
+    func applicationWillEnterForeground(_ application: UIApplication) {}
 
-    func applicationDidBecomeActive(application: UIApplication) {}
+    func applicationDidBecomeActive(_ application: UIApplication) {}
 
-    func applicationWillTerminate(application: UIApplication) {}
+    func applicationWillTerminate(_ application: UIApplication) {}
     
     // MARK: Orientation
 
-    func application(application: UIApplication, supportedInterfaceOrientationsForWindow window: UIWindow?) -> UIInterfaceOrientationMask {
+    func application(_ application: UIApplication, supportedInterfaceOrientationsFor window: UIWindow?) -> UIInterfaceOrientationMask {
         
         if self.window?.rootViewController?.presentedViewController is SecondViewController {
             
             let secondController = self.window!.rootViewController!.presentedViewController as! SecondViewController
             
             if secondController.isPresented {
-                return UIInterfaceOrientationMask.All;
+                return UIInterfaceOrientationMask.all;
             } else {
-                return UIInterfaceOrientationMask.Portrait;
+                return UIInterfaceOrientationMask.portrait;
             }
         } else {
-            return UIInterfaceOrientationMask.Portrait;
+            return UIInterfaceOrientationMask.portrait;
         }
         
     }
diff --git a/LandscapeController_Swift/LandscapeController_Swift/Assets.xcassets/AppIcon.appiconset/Contents.json b/LandscapeController_Swift/LandscapeController_Swift/Assets.xcassets/AppIcon.appiconset/Contents.json
index 118c98f..19882d5 100644
--- a/LandscapeController_Swift/LandscapeController_Swift/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/LandscapeController_Swift/LandscapeController_Swift/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -1,5 +1,15 @@
 {
   "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
     {
       "idiom" : "iphone",
       "size" : "29x29",
@@ -29,6 +39,11 @@
       "idiom" : "iphone",
       "size" : "60x60",
       "scale" : "3x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
     }
   ],
   "info" : {
diff --git a/LandscapeController_Swift/LandscapeController_Swift/SecondViewController.swift b/LandscapeController_Swift/LandscapeController_Swift/SecondViewController.swift
index 68fd8c3..3ab3763 100644
--- a/LandscapeController_Swift/LandscapeController_Swift/SecondViewController.swift
+++ b/LandscapeController_Swift/LandscapeController_Swift/SecondViewController.swift
@@ -16,7 +16,7 @@ class SecondViewController: UIViewController {
     func dismiss() {
         
         isPresented = false
-        self.presentingViewController!.dismissViewControllerAnimated(true, completion: nil);
+        self.presentingViewController!.dismiss(animated: true, completion: nil);
     }
 
 }