This book is currently under development. New chapters are added regularly so please check back for updates.

1. Introduction
   
   
2. Setting Up and Android Studio Development Environment
   
   
3. A guided Tour of the Android Studio User Interface
   
   
4. Creating an Android Virtual Device (AVD) in Android Studio
   
   
5. Using and Configuring the Android Studio AVD Emulator
   
   
6. Testing Android Studio Apps on a Physical Android Device
   
   
7. The Basics of the Android Studio Code Editor
   
   
8. An Overview of the Android Architecture
   
   
9. The Anatomy of a Kotlin Android Application
   
   
10. Creating an Example Kotlin Android App in Android Studio
    
    
11. An Introduction to Kotlin
    
    
12. Kotlin Data Types, Variables and Nullability
    
    
13. Kotlin Operators and Expressions
    
    
14. Kotlin Flow Control
    
    
15. An Overview of Kotlin Functions and Lambdas
    
    
16. The Basics of Object Oriented Programming in Kotlin
    
    
17. An Introduction to Kotlin Inheritance and Subclassing
    
    
18. Understanding Android Application and Activity Lifecycles
    
    
19. Handling Android Activity State Changes
    
    
20. Android Activity State Changes by Example
    
    
21. Saving and Restoring the State of an Android Activity
    
    
22. Understanding Android Views, View Groups and Layouts
    
    
23. A Guide to the Android Studio Layout Editor Tool
    
    
24. A Guide to the Android ConstraintLayout
    
    
25. A Guide to using ConstraintLayout in Android Studio
    
    
26. Working with ConstraintLayout Chains and Ratios in Android Studio