It is clear that UIPopoverController was not designed to be customized very much. However, is there an obvious way to mimic the UIPopoverController that is presented in mobile Safari (to add a bookmark, for example), that is, a popover with only buttons, no visible inner shadow, and an even background?
The reason for my question is because quite a few applications use a similarly styled popover, such as Reeder and Instapaper. Are these subclasses of UIPopoverController or custom UIViewControllers that mimic a UIPopoverController?
I believe you are looking for
UIActionSheet. Here: http://developer.apple.com/library/ios/#documentation/uikit/reference/UIActionSheet_Class/Reference/Reference.html