adding buttons to ui navigation controller bottom bar
<p>hi i am able to unhide the navigation controller bottom bar by using the following code </p>

<p>[<code>self.navigationController setToolbarHidden:NO];</code></p>

<p>but now i want to  change the color of the bottom bar and also add buttons to that bottom bar 
can any one please help me how to do that is there any delegate methods for that ..........</p>
