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About the Reviewers

Ravindra Kumar is an Android developer and computer polyglot from Bengaluru, India. He is an Android and web speaker, startup geek, and open source junkie.

He works as an Android developer at Fueled. Previously, he worked with Cleartrip, as the lead developer of Cleartrip.com's Android app. He likes open source projects and is a huge fan of the fancy Android libraries out there. He contributes to bug reporting, fixing, and feedback, and has given talks at DroidCon, TiConf, and JSFOO.

He started as a web engineer who used to write lots of JavaScript, but after some time, looking for his real passion, he started his journey in mobile app development through Titanium. Later, he discovered the Android world. After getting some experience on such an awesome platform, he started a new adventure at a mobile company, where he led several projects for important Indian companies.

He has a strong interest in code quality, testing, and automation, and preferably all three together. Combining technical with soft skills, he also ventures into the realms of mentoring and article writing. He hates doing things manually, and hates to see src/test/java directories with empty example classes. He believes that by working with legacy code and improving it, he can make the world a better place. To his disappointment, the world does not seem to care all that much about his efforts.

He is a pretty normal person--a husband, father of one, and lover of cricket. You can follow @ravidsrk on Twitter or email him at ravidsrk@gmail.com.

I'm thankful to my wife, Abhilasha, and my son, Hemanth, for understanding that I couldn't be there at times while I was helping review this book.

Natarajan Raman has over 13 years of experience in software design and development with a good understanding and experience of the complete SDLC life cycle. Natarajan Raman is a Google/Udacity certified Nano degree holder on Android development. He was invited as a guest by Google to the I/O 2017, which was held in May in San Francisco, California.

Natarajan works for the Patterns design school and is also the managing trustee of Dream India, dreamindia.org, an NGO started by youngsters inspired by Dr. Kalam.

I would like to thank my employer, my colleagues, my family, and the children of Vasantham-- www.vasantham.org--for being a source of inspiration and support forever.