title: Cannot change current tile
body: <pre><code>for(int i=0;i&lt;7;i++) {
  
      shell.setCurrentTileIndex(i);
  
      try {
          Thread.sleep(1000);
      } catch (InterruptedException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
      }
  }
  </code></pre>
  
  <p>I just want to change each tile within a for loop but what happen is the only last value are change after 7 seconds. Please help me.</p>