OpenGLES-rotate
...............\OpenGLES20Basic
...............\...............\AndroidManifest.xml
...............\...............\res
...............\...............\...\drawable
...............\...............\...\........\ic_launcher.png
...............\...............\...\layout
...............\...............\...\......\main.xml
...............\...............\...\values
...............\...............\...\......\strings.xml
...............\...............\src
...............\...............\...\com
...............\...............\...\...\example
...............\...............\...\...\.......\android
...............\...............\...\...\.......\.......\opengl
...............\...............\...\...\.......\.......\......\MyGLRenderer.java
...............\...............\...\...\.......\.......\......\OpenGLES20Basic.java
...............\OpenGLES20Complete
...............\..................\AndroidManifest.xml
...............\..................\res
...............\..................\...\drawable
...............\..................\...\........\ic_launcher.png
...............\..................\...\layout
...............\..................\...\......\main.xml
...............\..................\...\values
...............\..................\...\......\strings.xml
...............\..................\src
...............\..................\...\com
...............\..................\...\...\example
...............\..................\...\...\.......\android
...............\..................\...\...\.......\.......\opengl
...............\..................\...\...\.......\.......\......\MyGLRenderer.java
...............\..................\...\...\.......\.......\......\OpenGLES20Complete.java