Remove tab only if tab exists.

Prevent crash in ActionBarTabs(ApiDemos). Change-Id: I1972fc761e8ebf245afb828fe7595bc764eaae56
2012-03-14 10:58:35 +08:00
parent 89b7a104d4
commit 7ec212f118
1 changed files with 3 additions and 1 deletions
--- 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) {