Three20

Three20 is an open-source Objective-C library for iPhone developers. It was created by Joe Hewitt, the developer responsible for Facebook's iPhone application. The library's first official release dates back to January 23, 2009.Three20 stands for 320 pixels of horizontal resolution of iPhone screen.

Three20

Three20 is an open-source Objective-C library for iPhone developers. It was created by Joe Hewitt, the developer responsible for Facebook's iPhone application. The library's first official release dates back to January 23, 2009.Three20 stands for 320 pixels of horizontal resolution of iPhone screen.