In this chapter, we will describe the situations in which it makes sense to use the Android SDK for a game and those where it is best to use an external engine, explaining the pros and cons of each case.
We will create a simple project that we will be improving throughout the book, until it becomes a complete game. The particular game we are going to build is a Space Shooter.
A few top-level decisions will be made and explained, such as which orientation to use and how are we going to use activities and fragments.
We will describe the top-level architecture of a game engine, study how it is different from a typical app's, explaining why there is an
UpdateThread and how it interacts with the user input and why it ...