see the blog post <a
href="http://android-developers.blogspot.com/2010/07/multithreading-for-
performance.html">Multithreading For Performance</a>.</p>


<p>In the following snippet, the <code>myClickHandler()</code> method invokes <code>new
DownloadWebpageTask().execute(stringUrl)</code>. The
<code>DownloadWebpageTask</code> class is a subclass of <code><a href="../../../reference/android/os/AsyncTask.html">AsyncTask</a></code>. <code>DownloadWebpageTask</code> implements the following
<code><a href="../..