Styles and themes are a core part of the Android system. That said: they can be rather difficult to use. Setting up styles improperly can hurt more than it can help, and there have been plenty of sleepless nights caused by theming woes.
This talk will present a system for using styles and themes without going crazy.
Dan Lew has been an Android developer for seven years. He started at Mobiata (FlightTrack), went on to lead the Android team at Expedia, and is currently working at Trello. He's an Android Google Developer Expert and has been giving talks at local meetups and conferences for the last several years. He's released a couple minor open source Android libraries and several open source apps on Github. He also writes regularly about Android development at danlew.net.