Adding sound to the Pong game

Copy the assets folder and all its contents from the Chapter 11 folder on the GitHub repo. Now use your operating system's file explorer to navigate to the Pong/app/src/main folder of your project. Paste the assets folder and its contents.

Obviously, feel free to replace all the sound effects in the assets folder with your own. If you decide to replace all the sound effects, make sure you name them exactly the same or that you make appropriate edits in the code that follows.

Notice that if you look in the project explorer window in Android Studio, you can view the assets folder and can see that the sound effects have been added to the project:

Figure 11.10 – Viewing the assets folder

Let's write the code.

Adding the sound variables

At the end of the member variable declarations, before the PongGame constructor, add the following code:

// All these are for playing sounds
private SoundPool mSP;
private...