From 8883c6ccc5877fcc8a55910f77fa04a7742285c0 Mon Sep 17 00:00:00 2001
From: Adam Bradley <adambradley25@gmail.com>
Date: Fri, 12 Sep 2014 22:57:30 -0500
Subject: [PATCH] fix(scroll): ensure scrollView objects exist

Check if scrollView is null when switching off of tabs view. #2181
---
 js/angular/controller/scrollController.js | 6 +++---
 js/views/scrollView.js                    | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/js/angular/controller/scrollController.js b/js/angular/controller/scrollController.js
index e35649215f7..e3635029ce6 100644
--- a/js/angular/controller/scrollController.js
+++ b/js/angular/controller/scrollController.js
@@ -114,7 +114,7 @@ function($scope, scrollViewOptions, $timeout, $window, $$scrollValueCache, $loca
   });
 
   $timeout(function() {
-    scrollView.run();
+    scrollView && scrollView.run && scrollView.run();
   });
 
   this._rememberScrollId = null;
@@ -129,7 +129,7 @@ function($scope, scrollViewOptions, $timeout, $window, $$scrollValueCache, $loca
 
   this.resize = function() {
     return $timeout(resize).then(function() {
-      $element.triggerHandler('scroll.resize');
+      $element && $element.triggerHandler('scroll.resize');
     });
   };
 
@@ -204,7 +204,7 @@ function($scope, scrollViewOptions, $timeout, $window, $$scrollValueCache, $loca
     var values = $$scrollValueCache[this._rememberScrollId];
     if (values) {
       this.resize().then(function() {
-        scrollView.scrollTo(+values.left, +values.top, shouldAnimate);
+        scrollView && scrollView.scrollTo && scrollView.scrollTo(+values.left, +values.top, shouldAnimate);
       });
     }
   };
diff --git a/js/views/scrollView.js b/js/views/scrollView.js
index 8e07ffe85b2..b74d971676f 100644
--- a/js/views/scrollView.js
+++ b/js/views/scrollView.js
@@ -1114,6 +1114,8 @@ ionic.views.Scroll = ionic.views.View.inherit({
   },
 
   resize: function() {
+    if(!this.__container || !this.options) return;
+
     // Update Scroller dimensions for changed content
     // Add padding to bottom of content
     this.setDimensions(