Carmen Delessio is an experienced application developer who has worked as a developer, technical architect, and CTO in large and small organizations.

Carmen developed the award-winning “BFF Photo” Android app, which won the Sprint App Challenge contest in the Social Networking category.

Carmen began his online development career at Prodigy, where he worked on early Internet applications, shopping apps, and fantasy baseball.

He has written for Mashable and AndroidGuys and is the author of Sams Teach Yourself Google TV App Development in 24 Hours.

He is a graduate of Manhattanville College and lives in Pound Ridge, New York, with his wife, Amy, and daughter, Natalie.

Lauren Darcey is a multi-published Android author with several Pearson books to her credit, along with earlier editions of this book. Lauren is technical leader of Mamlambo, Inc., a firm specializing in mobile development and consulting with Android, iOS, Blackberry, and other mobile platforms. She has more than two decades of software development experience under her belt and is a recognized authority in enterprise architecture and commercial-grade mobile development.

Shane Conder is also a multi-published Android author with several Pearson books to his credit, along with earlier editions of this book. Shane has extensive development experience and has focused his attention on mobile and embedded development for the past two decades. He has designed and developed many commercial apps for Android, iOS, BREW, Blackberry, J2ME, Palm, and Windows Mobile, some of which have been installed on millions of phones worldwide.