title: getheight() px or dpi?
body: <p>Help.I found the height of ListView and I do not know px or dpi? I need dpi</p>
  
  <pre><code>final ListView actualListView = mPullRefreshListView.getRefreshableView();
  
  actualListView.getViewTreeObserver().addOnGlobalLayoutListener(
                  new ViewTreeObserver.OnGlobalLayoutListener() {
                      public void onGlobalLayout() {
                          height = actualListView.getHeight();  
  
                      }
                  });
  </code></pre>