iPhone: Where can I find those arrow icons used on the toolbar of the Photo Library (Camera Roll)

Question

I am looking for those arrow icons (a left white arrow and a white right arrow) that are used on the lower toolbar of the Photo Library (or Camera Roll). I also have seen them on the Facebook app and some other custom apps. I am surprised that they are not built in "UIBarButtonSystemItem" icons. Can anybody point me to these icons?

Answer 1

They are built-in UIBarButtonSystemItem — private ones. Specifically, values of 107 and 108.

Other custom apps create their own arrows, and this is what you should do for AppStore apps.