Vasic Milos. Mastering Android Development with Kotlin (Code)

Packt Publishing, 2017. — 501 p. — ISBN: 9781788473699.
Kotlin is a programming language intended to be a better Java, and it's designed to be usable and readable across large teams with different levels of knowledge. Kotlin is a language that helps developers build amazing Android applications in an easy and effective way.
The book will begin by giving you strong grasp of the Kotlin features in context of Android development and its APIs to further taking steps towards building stunning applications for Android. It will show you the environment setup and the difficulty level will grow steadily with the coming applications covered in the upcoming chapters. The book will also introduce you to using the Android Studio IDE which plays an integral role in Android Development.
We will use Kotlin's basic programming concepts such as functions, lambdas, properties, object oriented code, safety aspects and type parameterization, testing, concurrency which will guide you to write Kotlin's code to production. We will also show how we can integrate Kotlin in any existing Android project.