I give up. UIImagePickerController has utterly defeated my attempts to customize it, its collectionview of cells, or its navigation bar to add on a button that would switch from photo library to camera view or vice versa. I will use two separate buttons. I hope this will not confuse users, but will have to ask beta testers (Brian, chuhan?) for this.

Damn you apple and your incredibly bad customization and your horrendous objective c/cocoa touch code.