gistfile1.txt

/*
 
 in the place where you init the navigationController:
 fixer = [[AENavigationControllerDelegate alloc] init];
 navigationController.delegate = fixer;
 
 */

@interface AENavigationControllerDelegate : NSObject <UINavigationControllerDelegate>

@end


@implementation AENavigationControllerDelegate

#define bgImageTag 143

- (void)navigationController:(UINavigationController *)navigationController 
       didShowViewController:(UIViewController *)viewController 
                    animated:(BOOL)animated
{
    UIImageView* imageView = (UIImageView*)[navigationController.navigationBar viewWithTag:bgImageTag];
    if(!imageView)
    {
        UIImage *image = [UIImage imageNamed:@"header-logo-bg.png"];
        imageView = [[UIImageView alloc] initWithImage:image];
        imageView.tag = bgImageTag;
    }
    
    [navigationController.navigationBar insertSubview:imageView atIndex:0];
}

@end