Android is a complete set of software for mobile devices such as tablet computers, notebooks, smartphones, electronic book readers, set-top boxes, etc.It contains a Linux-based Operating System, middleware, and key mobile applications.Kotlin has developed continuously, not only as a language but as a whole ecosystem with robust tooling. Now it's seamlessly integrated in Android Studio and is actively used by many companies for developing Android applications.The book has 17 parts in total: Chapter 1: Getting Started With Android StudioChapter 2: Activity and User InterfaceChapter 3: Building a Simple UIChapter 4: Android EventsChapter 5: Basic ControlsChapter 6: Working With LayoutsChapter 7: The Constraint LayoutChapter 8: Programming The UIChapter 9: Menus - ToolbarChapter 10: Menus - Context & PopupChapter 11: ResourcesChapter 12: Bitmap GraphicsChapter 13: Life Cycle Of An ActivityChapter 14: SpinnersChapter 15: PickersChapter 16: ListViewChapter 17: Android the Kotlin Way