It is waiting for the player to tap on the screen. Next, everything is drawn to the screen: the grid-lines and the text ( heads-up display or HUD), including the debugging text (if enabled).The score is set to zero if this is not the first play of the game. The sub' is placed in a random location by generating random horizontal and vertical numbers.The game is launched by tapping on its icon in the app drawer (or running it in Android Studio).The flowchart shows the steps the game will take, as follows: Toward the end, you’ll build games such as Sub Hunter, Retro Pong, Bullet Hell, Classic Snake, and Scrolling Shooter.īy the end of this Java book, you'll not only have a solid understanding of Java and Android basics but will also have developed five cool games for the Android platform.įigure 2.5 – Planning the game using a flowchart At each stage, you'll be able to test your understanding by implementing the concepts that you’ve learned to develop a game. Once you've got to grips with the fundamentals, the difficulty level increases steadily as you explore key Java topics, such as variables, loops, methods, object-oriented programming (OOP), and design patterns while working with up-to-date code and supporting examples.

This new, improved, and updated third edition of Learning Java by Building Android Games helps you to build Android games from scratch.

Unlike most other Android books, this book doesn’t assume that you have any prior knowledge of Java programming, instead helps you get started with building Android games as a beginner. It uses the most popular programming language, Java, as one of the primary languages for building apps of all types. Android is one of the most popular mobile operating systems today.

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