Custom UIBarButtonItem

Custom UIBarButtonItem.m

#import <QuartzCore/QuartzCore.h>

- (UIBarButtonItem*)barButtonWithTitle:(NSString*)title target:(id)target action:(SEL)action 
{
    // Start with a UIButton, because a UIBarButton can't be modified.
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    
    // Modify layer
    [button.layer setCornerRadius:5.0f];
    [button.layer setMasksToBounds:YES];
    [button.layer setBorderWidth:1.0f];
    [button.layer setBorderColor: [[UIColor colorWithWhite:0.4 alpha:1.0] CGColor]];
    button.frame=CGRectMake(0.0, 0.0, 70.0, 30.0);
    
    // Set background
    [button setBackgroundImage:[UIImage imageNamed:@"ButtonBG.png"] forState:UIControlStateNormal];
    
    // Set title
    [button setTitle:title forState:UIControlStateNormal];
    [button setTitleColor:[UIColor colorWithWhite:0.2 alpha:1.0] forState:UIControlStateNormal];
    [button setTitleColor:[UIColor colorWithWhite:1.0 alpha:1.0] forState:UIControlStateHighlighted];
    button.titleLabel.font = [UIFont fontWithName:@"Helvetica-Bold" size:12.0f];

    // Add action
    [button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];
    
    // Build UIBarButtonItem with custom view
    return [[UIBarButtonItem alloc] initWithCustomView:button];
}

Simple method for custom UIBarButtonItem.