OpenGL手势控制立方体旋转（代码详解）

之前传过一个手势控制立方体旋转的工程，那个跟网上大多的教程不打一样，现在分享一个按步骤实现的工程，照样代码中有详细的注释

/* AUTO-GENERATED FILE.  DO NOT MODIFY.
 *
 * This class was automatically generated by the
 * aapt tool from the resource data it found.  It
 * should not be modified by hand.
 */

package com.macrocheng.cubeopengl;

public final class R {
    public static final class attr {
    }
    public static final class drawable {
        public static final int icon=0x7f020000;
        public static final int icon1=0x7f020001;
        public static final int icon2=0x7f020002;
        public static final int icon3=0x7f020003;
        public static final int icon4=0x7f020004;
        public static final int icon5=0x7f020005;
        public static final int icon6=0x7f020006;
    }
    public static final class layout {
        public static final int main=0x7f030000;
    }
    public static final class string {
        public static final int app_name=0x7f040001;
        public static final int hello=0x7f040000;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-11-15 01:56  Cube_OpneGL\
     目录           0  2011-12-19 02:45  Cube_OpneGL\bin\
     目录           0  2010-11-15 02:06  Cube_OpneGL\res\
     目录           0  2010-11-15 01:56  Cube_OpneGL\assets\
     目录           0  2010-11-15 01:56  Cube_OpneGL\src\
     目录           0  2011-12-16 01:45  Cube_OpneGL\gen\
     目录           0  2011-12-19 02:45  Cube_OpneGL\bin\com\
     目录           0  2010-11-15 01:56  Cube_OpneGL\res\drawable-hdpi\
     目录           0  2010-11-15 01:56  Cube_OpneGL\res\drawable-mdpi\
     目录           0  2010-11-15 01:56  Cube_OpneGL\res\drawable-ldpi\
     目录           0  2010-11-15 01:56  Cube_OpneGL\res\layout\
     目录           0  2010-11-15 01:56  Cube_OpneGL\res\values\
     目录           0  2011-12-15 08:30  Cube_OpneGL\res\drawable\
     目录           0  2010-11-15 01:56  Cube_OpneGL\src\com\
     目录           0  2011-12-16 01:45  Cube_OpneGL\gen\com\
     目录           0  2011-12-19 02:45  Cube_OpneGL\bin\com\macrocheng\
     目录           0  2010-11-15 01:56  Cube_OpneGL\src\com\macrocheng\
     目录           0  2011-12-16 01:45  Cube_OpneGL\gen\com\macrocheng\
     目录           0  2011-12-19 02:45  Cube_OpneGL\bin\com\macrocheng\cubeopengl\
     目录           0  2010-11-15 02:05  Cube_OpneGL\src\com\macrocheng\cubeopengl\
     目录           0  2011-12-16 01:45  Cube_OpneGL\gen\com\macrocheng\cubeopengl\
     文件         814  2010-11-15 01:56  Cube_OpneGL\.project
     文件         273  2010-11-15 01:56  Cube_OpneGL\.classpath
     文件         692  2010-11-15 01:56  Cube_OpneGL\AndroidManifest.xml
     文件         364  2010-11-15 01:56  Cube_OpneGL\default.properties
     文件      377125  2011-12-19 02:45  Cube_OpneGL\bin\Cube_OpneGL.apk
     文件       12468  2011-12-19 02:45  Cube_OpneGL\bin\classes.dex
     文件      368898  2011-12-19 02:45  Cube_OpneGL\bin\resources.ap_
     文件        4147  2010-11-15 01:56  Cube_OpneGL\res\drawable-hdpi\icon.png
     文件        2574  2010-11-15 01:56  Cube_OpneGL\res\drawable-mdpi\icon.png
     文件        1723  2010-11-15 01:56  Cube_OpneGL\res\drawable-ldpi\icon.png
............此处省略22个文件信息