title: Cocos2dxGLSurfaceView cannot be resolved to a type
body: <p>i am getting below error while i tried to run cocos2dx proj in eclipse:</p>
  
  <pre><code>Cocos2dxActivity cannot be resolved to a type   ApplicationDemo.java    
  Cocos2dxEditText cannot be resolved to a type   ApplicationDemo.java    
  Cocos2dxGLSurfaceView cannot be resolved to a type  ApplicationDemo.java
  </code></pre>
  
  <p>am i missing any lib?</p>