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Android Programming for Beginners

Android Programming for Beginners - Fourth Edition

By : John Horton
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Android Programming for Beginners

Android Programming for Beginners

By: John Horton

Overview of this book

Modern Android development has evolved rapidly, with Kotlin and Jetpack Compose becoming the standard tools for building powerful mobile applications. Android Programming for Beginners provides a practical introduction for readers with little or no coding experience. Rather than overwhelming you with theory, the book teaches concepts gradually through hands-on experimentation and small, focused apps that reinforce core programming fundamentals. You will begin by learning Kotlin essentials including variables, loops, functions, lambdas, collections, and object-oriented programming before moving into Android Studio and Jetpack Compose. As your skills grow, you will create interactive projects ranging from UI layouts and games to multimedia and database-driven applications. Along the way, you will explore Android development techniques such as state management, navigation, Material Design, Room databases, Canvas drawing, and responsive layouts. To help future-proof your workflow, each chapter also includes optional AI-assisted programming exercises that show how modern coding tools can support experimentation, accelerate development, and deepen understanding. By the end of the book, you will have built a portfolio of Android apps and gained the confidence to continue toward advanced mobile development projects independently.
Table of Contents (36 chapters)
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1
Part 1: Kotlin & Jetpack Compose Basics
11
Part 2: Data Structures, Kotlin Fundamentals & More Advanced UIs
20
Part 3: Object-Oriented Programming & Building More Advanced Apps
29
Part 4: Vibe Coding & Learning with AI
34
Other Books You May Enjoy
35
Index

9

@Preview and Remember

This is the final chapter in Part 1 of the book. In this chapter, we will have some fun while gaining a bit more practice and expanding our knowledge with Jetpack Compose.

We will also see examples of how to use the Design tab in Android Studio by using the @Preview annotation. We will build 2 interesting layouts to learn what you can and can't do in the Design tab. Furthermore, we will see how we unlock Compose cheat-mode and learn how we can begin to explore the Android APIs (especially Jetpack Compose) on our own.

Then we will see how Jetpack preserves state (remembers our variable's value) between calls to composables, and we will build a small app with a button that counts clicks.

In this chapter, we will:

  • Take a very brief look at what Material Design is, not so we are experts, but so we know what it is and that it exists
  • Learn and use a selection of new Jetpack-related UI layouts using @Preview functions while exploring the Design tab, specifically...
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Android Programming for Beginners
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