如何在自定义相机叠加层上显示状态栏？

I have this critical issue with showing top statusbar on the custom camera overlay which seems impossible for me at the moment. I posted the same question to Apple dev forum but did not get any response for some time now. In my application, I have a custom overlay view set as the overlay to the UIImagePickerController. At the bottom of the custom overlay view (this is a UIViewController), I have put a toolbar that enables user to click on toolbar items. Since the top statusbar is not shown when the camera opens up, the whole screen get pushed upwards and makes a narrow white color gap between the bottom of the screen and the bottom tool bar. I have this critical issue with showing top sta