From 7ec212f1185e4dd43d765b22d65485d141037ae6 Mon Sep 17 00:00:00 2001
From: Cheng Ke <chengke.info@gmail.com>
Date: Wed, 14 Mar 2012 10:58:35 +0800
Subject: [PATCH] Remove tab only if tab exists.

Prevent crash in ActionBarTabs(ApiDemos).

Change-Id: I1972fc761e8ebf245afb828fe7595bc764eaae56
---
 .../src/com/example/android/apis/app/ActionBarTabs.java       | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/samples/ApiDemos/src/com/example/android/apis/app/ActionBarTabs.java b/samples/ApiDemos/src/com/example/android/apis/app/ActionBarTabs.java
index 11c1bc279..df6752c98 100644
--- a/samples/ApiDemos/src/com/example/android/apis/app/ActionBarTabs.java
+++ b/samples/ApiDemos/src/com/example/android/apis/app/ActionBarTabs.java
@@ -52,7 +52,9 @@ public class ActionBarTabs extends Activity {
 
     public void onRemoveTab(View v) {
         final ActionBar bar = getActionBar();
-        bar.removeTabAt(bar.getTabCount() - 1);
+        if (bar.getTabCount() > 0) {
+            bar.removeTabAt(bar.getTabCount() - 1);
+        }
     }
 
     public void onToggleTabs(View v) {