Android 9 Development Cookbook（Third Edition）

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About the reviewers

Emil Atanasov is an IT consultant who has extensive experience with mobile technologies. He runs his own contracting and consulting company, serving clients from around the world: Appose Studio Inc. He is an MSc graduate of RWTH Aachen University, Germany, and Sofia University "St. Kliment Ohridski", Bulgaria. He has been a contractor for several large companies in the U.S. and U.K., serving variously as team leader, project manager, iOS developer, and Android developer. He teaches courses at Sofia University in Swift and iOS development. He is the author of Learn Swift by Building Applications and has served as technical reviewer and contributor on the following Packt titles: Objective C Memory Management and Android High-Performance Programming.

"I want to thank my wife, Elena, and my daughter, Sophia, and the rest of my family and friends for being very supportive, really patient, and super cool. Thank you for keeping me motivated through the endless working days. I know that, in your eyes, I'm a bizarre geeky person who is spending most of the time in the digital world. I appreciate your understanding. Thank you, guys!"

Jason Morris is a multi-discipline software developer and technical author. He has been developing software for as long as he can remember. He's written software for desktop, servers, feature phones, smartphones, the web, and even microcontrollers. Jason programs in a range of programming languages, and delights in knowing how software works. When he's not writing code, spending time with his family, or playing synthesizers, he's probably dreaming up a new code challenge. In 2010 through 2011, he wrote Android User Interface Development: A Beginner's Guide, and in 2017, he wrote Hands-On Android UI Development. On the internet, Jason is often known as "lemnik."

Thanks again to my wife and daughter for always being there.