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  • Book Overview & Buying Android Programming for Beginners
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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

do-while loops

The do-while loop works in the same way as the ordinary while loop, except that the presence of a do block guarantees that the code will execute at least once, even when the condition of the while expression does not evaluate to true. Look at this code.

var y = 10

do {
    y++
    Log.d("Loops","In the do block and y= $y")
}
while(y < 10)

If you copy and paste this code into one of your apps' onCreate functions and then run it, the output might not be what you expect. We will build an app that practices all our loops shortly, but as a quick heads-up, here is the output:

In the do block and y= 11

This is a less-used but sometimes-perfect solution to a problem. Even though the condition of the while loop is false, the do block executes its code, incrementing the y variable to 11 and printing a message to the logcat. The condition of the while loop is y < 10, so the code in the do block is not executed again. If the expression in the while condition...

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Programming languages
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Android Programming for Beginners
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