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1page.title=Device Monitor
2@jd:body
3
4  <div id="qv-wrapper">
5    <div id="qv">
6      <h2>See also</h2>
7
8      <ol>
9        <li><a href="{@docRoot}tools/debugging/debugging-memory.html"
10          >Investigating Your RAM Usage</a></li>
11      </ol>
12    </div>
13  </div>
14
15
16<p>Android Device Monitor is a stand-alone tool that provides a graphical user interface for
17several Android application debugging and analysis tools. The Monitor tool does not
18require installation of an integrated development environment, such as Eclipse, and encapsulates the
19following tools:</p>
20
21<ul>
22  <li><a href="{@docRoot}tools/debugging/ddms.html">DDMS</a></li>
23  <li><a href="gltracer.html">Tracer for OpenGL ES</a></li>
24  <li><a href="hierarchy-viewer.html">Hierarchy Viewer</a></li>
25  <li><a href="systrace.html">Systrace</a></li>
26  <li><a href="traceview.html">Traceview</a></li>
27  <li>Pixel Perfect magnification viewer</li>
28</ul>
29
30
31<h2 id="usage">Usage</h2>
32
33<p>To start Device Monitor, enter the following command from the SDK <code>tools/</code>
34directory:</p>
35  <pre>monitor</pre>
36
37<p>Start an Android emulator or connect an Android device via USB cable, and connect Device
38Monitor to the device by selecting it in the <strong>Devices</strong> window.</p>
39
40<p class="note"><strong>Note:</strong> Only one debugger can be connected to your device at a time.
41If you're using ADT, you may need to close the debugging tool before launching the Device Monitor
42in order for the device to be fully debuggable.</p>
43