From 9377a3c9bbfafb4f1ba751849991e597ad51319f Mon Sep 17 00:00:00 2001
From: Rossen Hristov <rossen.hristov@telerik.com>
Date: Wed, 2 Sep 2015 09:09:00 +0300
Subject: [PATCH] Fixed a null reference exception.

---
 ui/tab-view/tab-view.android.ts | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/ui/tab-view/tab-view.android.ts b/ui/tab-view/tab-view.android.ts
index d80d94266..23316831b 100644
--- a/ui/tab-view/tab-view.android.ts
+++ b/ui/tab-view/tab-view.android.ts
@@ -445,13 +445,23 @@ export class TabView extends common.TabView {
         trace.write("TabView._removeTabs(" + oldItems + ");", common.traceCategory);
         super._removeTabs(oldItems);
 
+        var i = 0;
+        if (oldItems && oldItems.length) {
+            var item: TabViewItem;
+            for (; i < oldItems.length; i++) {
+                item = <TabViewItem>oldItems[i];
+                item._tab = null;
+                item._parent = null;
+            }
+        }
+
         var actionBar = this._getActionBar();
         if (!actionBar) {
             return;
         }
 
         // Remove all the existing tabs added by this instance
-        var i: number = actionBar.getTabCount() - 1;
+        i = actionBar.getTabCount() - 1;
         var tab: android.app.ActionBar.Tab;
         var index;
         for (; i >= 0; i--) {
@@ -465,15 +475,6 @@ export class TabView extends common.TabView {
             }
         }
 
-        i = 0;
-        var length = this.items.length;
-        var item: TabViewItem;
-        for (; i < length; i++) {
-            item = <TabViewItem>this.items[i];
-            item._tab = null;
-            item._parent = null;
-        }
-
         if (this._tabsAddedByMe.length > 0) {
             throw new Error("TabView did not remove all of its tabs from the ActionBar.");
         }