Awesome
Letter-Section-List
Overview
The Letter-Section-List Library allows developers to easily include a letter section heading in alpha numeric sorted list views. Since this feature comes out of the box in ios clients this library is valuable in providing consistency across ios and android applications.
ScreenShot
<img src="https://raw2.github.com/tallan/Letter-Section-List/master/screenshot.png" width="260" height="473" />Tutorial
Please visit my blog for a usage tutorial