if the status bar is hidden, the UITextField will have a gap between it and the keyboard

[sspitzer]

Here's a screen shot of the bug:

http://i48.tinypic.com/d4j09.png

Here's the fix to https://github.com/samsoffes/ssmessagesviewcontroller/blob/master/Classes/SSMessagesViewController.m#L147

_inputBackgroundView.frame = CGRectMake(0.0f, [[UIApplication sharedApplication] isStatusBarHidden] ? 180.0f : 160.0f, self.view.frame.size.width, kInputHeight);