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

<p>The 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 the Hierarchy Viewer, do one of the following: </p>

<ul>
<li> From Android Studio, choose <strong>Tools &gt; Android Device Monitor</strong> or click the
Android Device Monitor icon
<img src="{@docRoot}images/tools/hierarchicalviewer-icon.png" alt=""/>. Click the Open Perspectives
icon <img src="{@docRoot}images/tools/studio-DDMS-open-perspective-icon.png" alt=""/> and select
<strong>Hierarchy View</strong>. </li>
<li>From the SDK <code>tools/</code> directory, enter:
  <pre>monitor</pre> </li>
</ul>

<p>For more information on how to use the Hierarchy Viewer, see
<a href="{@docRoot}tools/debugging/debugging-ui.html">Optimizing Your UI</a>.
</p>

<p class="note"><strong>Note:</strong> The command line version of Hierarchy Viewer has been
deprecated. </p>