How can i make my iPhone application universal (iPhone - iPad) application?
<p>I have my iPhone appliction, using same application i want to make it universal (iPhone / iPad). Is there any way to get success for the above mentioned task?</p>

<p>I want to do only using the previous MainWindow.XIB file &amp; Custom ccode if neccessary.</p>

<p>I am totally unknown to this concept, this is totally new to me.</p>

<p>If possible then please suggest me the code / link to make the universal application.</p>
