Beginning Android 4 Games Development

GLGame: Implementing the Game Interface

In the previous chapter, we implemented the AndroidGame class, which ties together all the submodules for audio, file I/O, graphics, and user input handling. We want to reuse most of this for our upcoming 2D OpenGL ES game, so let's implement a new class called GLGame that implements the Game interface we defined earlier.

The first thing you will notice is that you can't possibly implement the Graphics interface with your current knowledge of OpenGL ES. Here's a surprise: you won't implement it. OpenGL does not lend itself well to the programming model of your Graphics interface; instead, we'll implement a new class, GLGraphics, which will keep track of the GL10 instance we get from the GLSurfaceView. ...