iosched using ActionBarSherlock
iosched is Android app for Google I/O. iosched is using action bar degign pattern. They used ActionBar compatible view for Honeycomb- devices. So I just replaced it with ActionBarSherlock.
How to build
ActionBarSherlock is an standalone library designed to facilitate the use of the action bar design pattern across all versions of Android through a single API.
See http://actionbarsherlock.com for more information.