unresponsive TabBar in universal app

I have an application developed on the iphone. I have recently started making it universal, but when i run it on the ipad simulator the TabBar on my ipad simulator is c开发者_运维技巧ompletely unresponsive. How do i fix this? I read a similar question, but the answer did not give any solutions.

ok i found the check box. It was located under "window" in my inspector.