如何更改相机Overlayview方向横向左右iPhone？

In my iPhone application i have a UIImagePickerController for take photos. I have hide all default camera controls and added UIView with Two button as a CameraOverLayView in UIImagePickerController. My application is always run in Landscape mode only. The Camera is also launching Landscape mode only. Now, the CameraOverlayView is only in Landscape Left side not change to Landscape to Right. How can i change the CameraOverlayView LandscapeMode Left and Right when the device orientation will changing? Please help me to fix it. It is major problem in my app. This code hold the Overlayview in Landscape mode Left In my iPhone application i have a UIImagePicker