How could I get all applications that were installed by user?
<p>How could I get all applications that were installed by user?</p>

<p>I want to develop an app that can present all applications that were installed by user, but</p>

<p>I don't understand how to get them.</p>

<p>use <code>getExternalStorageDirectory()</code>?</p>

<p>or is there have other method? </p>
