The first chapter introduces you to the concept of development for Android. The next three chapters are all about Android game programming. This is again not something that you need but it may help you in the long run as it improves your understanding of those classes and the methods they offer. For instance, you may want to know more about certain imports made in classes to get a better understanding of what they do and what you can use them for. You may want to look up certain constructs online though to get a better understanding of them. The author explains the purpose of every class, method, variable, and line of code so that it is very easy to follow. That's right, you create two games in those chapters that you can play on your system and even distribute to others. You create a framework in the first that is used by the two game that you create in the two following chapters.
The next three chapters cover game development in Java. Additional concepts are provided throughout the book when they are used. What is provided is exactly what you need to create your first game in Java. This extra knowledge or better understanding is not necessary however to follow the book. You get a good understanding of these core concepts even though you will have to seek out additional information for some topics such as polymorphism.
It covers lots of ground including data types, loops, creating your first program, objects, classes, working with the Java API before it explains advanced concepts such as interfaces, getter and setter methods or inheritance. The first three chapters walk you through Java basics. Android Game Development - Beginning Android Development.The next Level (second game, improvements).Java Game Development - Laying the Foundations (game framework).
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