page.title=Hierarchy Viewer
parent.title=Tools
parent.link=index.html
@jd:body

<p>Hierarchy Viewer allows you to debug and optimize your user 
interface. It provides a visual representation of the layout's View hierarchy 
(the Layout View) and a magnified inspector of the display (the Pixel Perfect View). 
</p>

<p>To start Hierarchy Viewer, enter the following command from the SDK <code>tools/</code> directory:</p>
  <pre>hierarchyviewer</pre>
</ol>

<p>For more information on how to use Hierarchy Viewer, see 
<a href="{@docRoot}tools/debugging/debugging-ui.html">Debugging and Profiling UIs</a>
</p>

