Book Image

Android Programming for Beginners - Second Edition

By : John Horton
Book Image

Android Programming for Beginners - Second Edition

By: John Horton

Overview of this book

Are you trying to start a career in programming, but haven't found the right way in? Do you have a great idea for an app, but don't know how to make it a reality? Or maybe you're just frustrated that in order to learn Android, you must know Java. If so, then this book is for you. This new and expanded second edition of Android Programming for Beginners will be your companion to create Android Pie applications from scratch. We will introduce you to all the fundamental concepts of programming in an Android context, from the basics of Java to working with the Android API. All examples use the up-to-date API classes, and are created from within Android Studio, the official Android development environment that helps supercharge your application development process. After this crash course, we'll dive deeper into Android programming and you'll learn how to create applications with a professional-standard UI through fragments and store your user's data with SQLite. In addition, you'll see how to make your apps multilingual, draw to the screen with a finger, and work with graphics, sound, and animations too. By the end of this book, you'll be ready to start building your own custom applications in Android and Java.
Table of Contents (35 chapters)
Android Programming for Beginners - Second Edition
Contributors
Preface
Other Books You May Enjoy
Index

Chapter 21. Threads, and Starting the Live Drawing App

In this chapter, we will get started on our next app. This app will be a kid's drawing app where the user can draw on the screen using their finger. This drawing app will be slightly different, however. The lines that the user draws will be comprised of particle systems that explode into thousands of pieces. We will call the project Live Drawing.

To achieve this, we will do the following.

  • Get started with the Live Drawing app

  • Learn about real-time interaction, sometimes referred to as a game loop

  • Learn about threads

  • Code a real-time system that will be ready for us to draw in (in the next chapter)

So, let's get started!