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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

FAQ

Q) What is a property in a class?

A) A property is a variable that belongs to a class and represents part of the object's data. Unlike local variables, properties can have visibility modifiers, custom access rules, and automatically generated getters and setters.

Q) Do I need to write getters and setters myself?

A) Kotlin automatically generates getters for val properties and getters plus setters for var properties. You only write them yourself when you need custom behavior.

Q) What is a backing field?

A) A backing field is the hidden storage that actually holds a property's value when that property needs to store data in memory. It lets getters and setters read and write the stored value without causing infinite recursion.

Q) When does Kotlin create a backing field?

A) Kotlin creates a backing field only if it is really needed, for example, when a property uses at least one default getter/setter or when a custom getter or setter refers to the special field identifier. If...

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Android Programming for Beginners
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