Create a new class named CoordinateConversionExample in the package org.anddev.andengine.examples of the AndEngineDemo project, here is the code of this class:
package org.anddev.andengine.examples;import static org.anddev.andengine.util.constants.Constants.VERTEX_INDEX_X;import static org.anddev.andengine.util.constants.Constants.VERTEX_INDEX_Y;import javax.microedition.khronos.opengles.GL10;import org.anddev.andengine.engine.Engine;import org.anddev.andengine.engine.camera.Camera;import org.anddev.andengine.engine.camera.hud.controls.AnalogOnScreenControl;