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Android Programming for Beginners

Android Programming for Beginners

By : John Horton
3.8 (13)
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Android Programming for Beginners

Android Programming for Beginners

3.8 (13)
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 (33 chapters)
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32
Index

Implementing the game loop with a thread

Now that we have learned about the game loop and threads, we can put it all together to implement our game loop in the Living Drawing project.

We will add the entire code for the game loop, including writing two methods in the LiveDrawingActivity class, to start and stop the thread that will control the loop.

Tip

Can you guess how the Activity-based class will start and stop the thread in the LiveDrawingView class?

Implementing Runnable and providing the run method

Update the class declaration by implementing Runnable, just like we discussed previously, and as shown in the following highlighted code:

class LiveDrawingView extends SurfaceView implements Runnable{

Notice that we have a new error in the code. Hover the mouse pointer over the word Runnable and you will see a message informing you that we need to implement the run method, again, just as we discussed during the discussion on interfaces and threads in the previous section. Add the empty run method...

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