Makes it easier to use custom UIButtons for the crappy UIBarButtonItems in a bar.

UIBarButtonItem+CustomButton.h

//
//  UIBarButtonItem+CustomButton.h
//
//  Created by Ross Penman on 11/05/2013.
//  Copyright (c) 2013 Ross Penman. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface UIBarButtonItem (CustomButton)

- (void)setCustomButton:(UIButton *)button;
- (UIButton *)customButton;

@end

UIBarButtonItem+CustomButton.m

//
//  UIBarButtonItem+CustomButton.m
//
//  Created by Ross Penman on 11/05/2013.
//  Copyright (c) 2013 Ross Penman. All rights reserved.
//

#import "UIBarButtonItem+CustomButton.h"

@implementation UIBarButtonItem (CustomButton)

- (void)setCustomButton:(UIButton *)button
{
    self.customView = button;
    [button addTarget:self.target action:self.action forControlEvents:UIControlEventTouchUpInside];
}

- (UIButton *)customButton
{
    return (UIButton *)[self customView];
}

@end