How to modify core applications
<p>I want to modify the core applications like Settings.apk and install on my own android phone.I dont want to publish it on market.I have following doubts</p>

<p>1)Where can i get source code for core applications</p>

<p>2)What are the things i need  to do this</p>

<p>3)Please tell me steps to do this</p>

<p>Thanks and Regards</p>

<p>P.Ramkumar.</p>
