@@ -5,6 +5,7 @@ libs
 node_modules
 package
 platforms
+!tns-core-modules/platforms
 reports
 tags
 
 
@@ -131,16 +131,26 @@ class IOSApplication implements IOSApplicationDefinition {
         // TODO: Expose Window module so that it can we styled from XML & CSS
         this._window.backgroundColor = utils.ios.getter(UIColor, UIColor.whiteColor);
 
+        this.notifyAppStarted(notification);
+
+    }
+
+    public notifyAppStarted(notification?: NSNotification) {
         const args: LaunchEventData = {
             eventName: launchEvent,
             object: this,
-            ios: notification.userInfo && notification.userInfo.objectForKey("UIApplicationLaunchOptionsLocalNotificationKey") || null
+            ios: notification && notification.userInfo && notification.userInfo.objectForKey("UIApplicationLaunchOptionsLocalNotificationKey") || null
         };
 
         notify(args);
         notify(<LoadAppCSSEventData>{ eventName: "loadAppCss", object: <any>this, cssFile: getCssFileName() });
 
-        this.setWindowContent(args.root);
+        // this._window will be undefined when NS app is embedded in a native one
+        if (this._window) {
+            this.setWindowContent(args.root);
+        } else {
+            this._window = UIApplication.sharedApplication.delegate.window;
+        }   
     }
 
     @profile
@@ -235,6 +245,7 @@ class IOSApplication implements IOSApplicationDefinition {
             this._window.makeKeyAndVisible();
         }
     }
+
 }
 
 const iosApp = new IOSApplication();
@@ -296,7 +307,14 @@ export function start(entry?: string | NavigationEntry) {
                 if (rootController) {
                     const controller = getViewController(rootView);
                     rootView._setupAsRootView({});
-                    rootController.presentViewControllerAnimatedCompletion(controller, true, null);
+                    let embedderDelegate = NativeScriptEmbedder.sharedInstance().delegate;
+                    if (embedderDelegate) {
+                        embedderDelegate.performSelectorWithObject("presentNativeScriptApp:", controller);
+                    } else {
+                        let visibleVC = utils.ios.getVisibleViewController(rootController);
+                        visibleVC.presentViewControllerAnimatedCompletion(controller, true, null);
+                    }
+                    iosApp.notifyAppStarted();
                 }
             }
         }
 
@@ -0,0 +1 @@
+## Platform specific native code
@@ -0,0 +1,26 @@
+//
+//  NativeScriptEmbedder.h
+//  NativeScript
+//
+//  Created by Teodor Dermendzhiev on 6/19/18.
+//
+#include <UIKit/UIKit.h>
+
+// When embedding NativeScript application embedder needs to conform to this protocol
+// in order to have control over the NativeScript UIViewController
+// otherwise NativeScript application is presented over the topmost UIViewController.
+@protocol NativeScriptEmbedderDelegate
+- (id)presentNativeScriptApp:(UIViewController*)vc;
+@end
+
+@interface NativeScriptEmbedder : NSObject
+
+@property(nonatomic, retain, readonly) id<NativeScriptEmbedderDelegate> delegate;
+
++ (NativeScriptEmbedder *)sharedInstance;
+
+- (void)setDelegate:(id <NativeScriptEmbedderDelegate>)aDelegate;
+
+
+@end
+
@@ -0,0 +1,19 @@
+#import "NativeScriptEmbedder.h"
+
+@implementation NativeScriptEmbedder
+
++ (NativeScriptEmbedder *)sharedInstance {
+    static NativeScriptEmbedder *sharedInstance = nil;
+    static dispatch_once_t onceToken; 
+    dispatch_once(&onceToken, ^{
+        sharedInstance = [[NativeScriptEmbedder alloc] init];
+    });
+
+     return sharedInstance;
+}
+
+- (void)setDelegate:(id <NativeScriptEmbedderDelegate>)aDelegate {
+    _delegate = aDelegate;
+}
+
+@end
@@ -0,0 +1,4 @@
+module NativeScriptEmbedder {
+    header "NativeScriptEmbedder.h"
+    export *
+}
@@ -160,3 +160,14 @@ interface Array<T> {
 //Dialogs
 declare function alert(message?: any): void;
 declare function confirm(message?: string): boolean;
+
+// Embedding
+declare interface NativeScriptEmbedderDelegate /* NSObject */ {
+    presentNativeScriptApp(any/* UIViewController*/): any;
+    performSelectorWithObject(string, any): any;
+}
+
+declare class NativeScriptEmbedder {
+    public static sharedInstance(): NativeScriptEmbedder;
+    public delegate: NativeScriptEmbedderDelegate;
+}
@@ -247,6 +247,13 @@ export module ios {
      * iOS - this folder is read-only and contains the app and all its resources.
      */
     export function getCurrentAppPath(): string;
+
+    /**
+     * Gets the currently visible(topmost) UIViewController.
+     * @param rootViewController The root UIViewController instance to start searching from (normally window.rootViewController).
+     * Returns the visible UIViewController.
+     */
+    export function getVisibleViewController(rootViewController: any/* UIViewController*/ ): any/* UIViewController*/;
 }
 
 /**
 
@@ -116,6 +116,25 @@ export module ios {
 
         return NSString.stringWithString(NSString.pathWithComponents(<any>paths)).stringByStandardizingPath;
     }
+
+    export function getVisibleViewController(rootViewController: UIViewController): UIViewController {
+        if (rootViewController.presentedViewController) {
+            return getVisibleViewController(rootViewController.presentedViewController);
+        }
+
+        if (rootViewController.isKindOfClass(UINavigationController.class())) {
+            return getVisibleViewController((<UINavigationController>rootViewController).visibleViewController);
+        }
+
+        if (rootViewController.isKindOfClass(UITabBarController.class())) {
+            let selectedTab = (<UITabBarController>rootViewController).selectedViewController;
+            return getVisibleViewController(<UITabBarController>rootViewController);
+        }
+
+        return rootViewController;
+
+    }
+
 }
 
 export function GC() {