title: Constructor undefined , although I imported them
body: <pre><code>@Override
      public void onCreateScene(OnCreateSceneCallback pOnCreateSceneCallback)
              throws Exception {
          // TODO Auto-generated method stub
          this.scene = new Scene();
  </code></pre>
  
  <p>The constructor Scene() is undefined</p>
  
  <pre><code>this.scene.setBackground(new Background(0, 1, 0));
  </code></pre>
  
  <p>The method setBackground(Background) is undefined for the type Scene</p>
  
  <pre><code>pOnCreateSceneCallback.onCreateSceneFinished(this.scene);
  </code></pre>
  
  <p>The method onCreateSceneFinished(Scene) in the type IGameInterface.OnCreateSceneCallback is not applicable for the arguments (Scene)</p>
  
  <pre><code> }
  
  
     @Override
     public void onPopulateScene(Scene pScene, OnPopulateSceneCallback pOnPopulateSceneCallback) 
  </code></pre>
  
  <p>The method onPopulateScene(Scene, IGameInterface.OnPopulateSceneCallback) of type MainActivity must override or implement a supertype method       </p>
  
  <pre><code> throws Exception {
  
          // TODO Auto-generated method stub
          Sprite sPlayer = new Sprite(CAMERA_WIDTH / 2, CAMERA_HEIGHT / 2,
                  playerTexureRegion, this.mEngine.getVertexBufferObjectManager());
          sPlayer.setRotation(45.0f);
  
          this.mEngine.getScene().attachChild(sPlayer);
  
          pOnPopulateSceneCallback.onPopulateSceneFinished();
  
      }
  </code></pre>