class DemoRenderer implements GLSurfaceView.Renderer { 
 
  public void onSurfaceCreated(GL10 gl, EGLConfig config) 
  { 
    Log.d("SystemInfo", "GL_RENDERER = " +gl.glGetString(GL10.GL_RENDERER));  
    Log.d("SystemInfo", "GL_VENDOR = " + gl.glGetString(GL10.GL_VENDOR));  
    Log.d("SystemInfo", "GL_VERSION = " + gl.glGetString(GL10.GL_VERSION));  
    Log.i("SystemInfo", "GL_EXTENSIONS = " + gl.glGetString(GL10.GL_EXTENSIONS));  
  } 
 
 
  @Override 
  public void onDrawFrame(GL10 arg0) { 
    // TODO Auto-generated method stub 
 
  } 
 
 
  @Override 
  public void onSurfaceChanged(GL10 arg0, int arg1, int arg2) { 
    // TODO Auto-generated method stub 
 
  } 
 
} 

class DemoGLSurfaceView extends GLSurfaceView { 
 
  DemoRenderer mRenderer; 
  public DemoGLSurfaceView(Context context) { 
    super(context); 
    setEGLConfigChooser(8, 8, 8, 8, 0, 0); 
    mRenderer = new DemoRenderer(); 
    setRenderer(mRenderer); 
  } 
} 

public class Demo extends Activity { 
  @Override 
  public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    GLSurfaceView glView = new DemoGLSurfaceView(this); 
    this.setContentView(glView); 
  } 
}