From ba0a041e86747f23f6e12bafaa932e39bb0c2135 Mon Sep 17 00:00:00 2001
From: Adam Bradley <adambradley25@gmail.com>
Date: Thu, 21 Jan 2016 16:32:59 -0600
Subject: [PATCH] fix(NavController): check if view has already been destroyed

---
 ionic/components/nav/nav-controller.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ionic/components/nav/nav-controller.ts b/ionic/components/nav/nav-controller.ts
index 2ca22392ab..efd0f5e980 100644
--- a/ionic/components/nav/nav-controller.ts
+++ b/ionic/components/nav/nav-controller.ts
@@ -1187,7 +1187,7 @@ export class NavController extends Ion {
 
         // remove the page from its container
         let index = viewContainer.indexOf(hostViewRef);
-        if (index !== -1) {
+        if (!hostViewRef.destroyed && index !== -1) {
           viewContainer.remove(index);
         }
       });
@@ -1205,11 +1205,11 @@ export class NavController extends Ion {
 
       let navbarTemplateRef = view.getNavbarTemplateRef();
       if (navbarContainerRef && navbarTemplateRef) {
-        let navbarView = navbarContainerRef.createEmbeddedView(navbarTemplateRef);
+        let navbarViewRef = navbarContainerRef.createEmbeddedView(navbarTemplateRef);
 
         view.addDestroy(() => {
-          let index = navbarContainerRef.indexOf(navbarView);
-          if (index > -1) {
+          let index = navbarContainerRef.indexOf(navbarViewRef);
+          if (!navbarViewRef.destroyed && index > -1) {
             navbarContainerRef.remove(index);
           }
         });