gistfile1.txt

 [super viewDidLoad];
    [self.navigationController.navigationBar setBackgroundImage:[UIImage alloc] forBarMetrics:UIBarMetricsDefault];
    [self.navigationController.navigationBar setShadowImage:[UIImage alloc]];
    
    self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
    self.navigationController.navigationBar.titleTextAttributes = @{NSFontAttributeName:[UIFont fontWithName:APP_FONT_MARK_OT_BOLD size:15], NSForegroundColorAttributeName:[UIColor whiteColor]};
    
    // this is kinda a hack...
    UIBarButtonItem *backButton = [[UIBarButtonItem alloc]
                                   initWithTitle: @""
                                   style: UIBarButtonItemStyleBordered
                                   target: nil action: nil];
    
    [self.navigationItem setBackBarButtonItem: backButton];