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  有关SurfaceView我们将通过三个系统自带的例子来深入掌握Android绘图必会的SurfaceView，今天我们以SDK中的Sample游戏lunarlander中的LunarView具体实现，Android123建议大家导入该游戏工程到你的Eclipse然后自己编译先玩一下这个游戏，然后再看代码比较好理解。 class LunarView extends SurfaceView implements SurfaceHolder.Callback {    class LunarThread extends Thread {        /*         * Difficulty setting constants         */        public static final int DIFFICULTY_EASY = 0;        public static final int DIFFICULTY_HARD = 1;        public static final int DIFFICULTY_MEDIUM = 2;        /*         * Physics constants         */        public static final int PHYS_DOWN_ACCEL_SEC = 35;        public static […]