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Android Programming with Kotlin for Beginners

You're reading from   Android Programming with Kotlin for Beginners Build Android apps starting from zero programming experience with the new Kotlin programming language

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789615401
Length 698 pages
Edition 1st Edition
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Author (1):
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John Horton John Horton
Author Profile Icon John Horton
John Horton
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Table of Contents (31) Chapters Close

Preface 1. Getting Started with Android and Kotlin FREE CHAPTER 2. Kotlin, XML, and the UI Designer 3. Exploring Android Studio and the Project Structure 4. Getting Started with Layouts and Material Design 5. Beautiful Layouts with CardView and ScrollView 6. The Android Lifecycle 7. Kotlin Variables, Operators, and Expressions 8. Kotlin Decisions and Loops 9. Kotlin Functions 10. Object-Oriented Programming 11. Inheritance in Kotlin 12. Connecting Our Kotlin to the UI and Nullability 13. Bringing Android Widgets to Life 14. Android Dialog Windows 15. Handling Data and Generating Random Numbers 16. Adapters and Recyclers 17. Data Persistence and Sharing 18. Localization 19. Animations and Interpolations 20. Drawing Graphics 21. Threads and Starting the Live Drawing App 22. Particle Systems and Handling Screen Touches 23. Android Sound Effects and the Spinner Widget 24. Design Patterns, Multiple Layouts, and Fragments 25. Advanced UI with Paging and Swiping 26. Advanced UI with Navigation Drawer and Fragment 27. Android Databases 28. A Quick Chat Before You Go A. Other Book You May Enjoy Index

Chapter 7. Kotlin Variables, Operators, and Expressions

In this chapter and the next, we are going to learn and practice the core fundamentals of Kotlin. In fact, we will explore the main principles of programming in general. In this chapter, we will focus on the creation and understanding of data itself, and in the next chapter, we will explore how to manipulate and respond to it.

This chapter will focus on the simplest type of data in Kotlin – variables. We will revisit more complex and powerful types of data in Chapter 15, Handling Data and Generating Random Numbers.

The core Kotlin fundamentals that we'll learn about apply when working within classes that we inherit from (such as Activity and AppCompatActivity) and the classes that we write ourselves (as we will start to do in Chapter 10, Object-Oriented Programming).

As it is more logical to learn the basics before we write our own classes, we will learn the basics and then use the extended Activity class, AppCompatActivity...

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