Get list of File object of Internal memory
<p>I want to write something like file manager, but don't understand how get begin directory(not SD card), namely all besides sd card. I try like this:</p>

<pre><code>File myDir=new File("/");
File myDir=Environment.getDataDirectory();
File myDir=Environment.getRootDirectory();
</code></pre>

<p>.. I try to use <code>myDir.getParent()</code>, I don't know what to do, please help me.</p>
