From b398f2758698c9b3b79375c652c76ffb25ef6487 Mon Sep 17 00:00:00 2001
From: Vladimir Enchev <vladimir.enchev@gmail.com>
Date: Fri, 14 Oct 2016 10:02:35 +0300
Subject: [PATCH] code fixed to work in viewDidLoad

---
 tns-core-modules/application/application.ios.ts | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/tns-core-modules/application/application.ios.ts b/tns-core-modules/application/application.ios.ts
index c8da2cf4c..0d18f497e 100644
--- a/tns-core-modules/application/application.ios.ts
+++ b/tns-core-modules/application/application.ios.ts
@@ -283,9 +283,14 @@ typedExports.start = function (entry?: NavigationEntry) {
             let rootView = createRootView();
             if(rootView) {
                 // Attach to the existing iOS app
-                let rootController = iosApp.nativeApp.keyWindow.rootViewController;
-                rootController.presentViewControllerAnimatedCompletion(rootView.ios.controller, utils.ios.MajorVersion >= 7, null);
-                uiUtils.ios._layoutRootView(rootView, utils.ios.getter(UIScreen, UIScreen.mainScreen).bounds);
+                var window = iosApp.nativeApp.keyWindow || (iosApp.nativeApp.windows.count > 0 && iosApp.nativeApp.windows[0]);
+                if(window) {
+                    var rootController = window.rootViewController;
+                    if(rootController) {
+                        rootController.presentViewControllerAnimatedCompletion(rootView.ios.controller, utils.ios.MajorVersion >= 7, null);
+                        uiUtils.ios._layoutRootView(rootView, utils.ios.getter(UIScreen, UIScreen.mainScreen).bounds);
+                    }
+                }
             }
         }