Changing the View from a button within a Popover

I orignally had a tab bar to change views within my app. However now I've gotten rid of the tab bar and have a toolbar with a menu butto开发者_开发百科n. When this button is pushed, a popover comes up with buttons that will hopefully change my screen.

When you create a UIPopoverController you set a UIViewController which can have a class where you define a protocol for the controller that creates the UIPopoverController notified of any action...