iOS中修改头部tabBarButton 默认按钮的颜色和默认字体颜色

+(void)initialize

{

//初始化设置主题

UINavigationBar *navBar = [UINavigationBar appearance];

[navBar setBackgroundImage:[UIImage imageNamed:@"NavBar64"] forBarMetrics:UIBarMetricsDefault];

//设置文字颜色

NSMutableDictionary *dict = [NSMutableDictionary dictionary];

navBar.tintColor = [UIColor whiteColor];

dict[NSForegroundColorAttributeName] = [UIColor whiteColor];

dict[NSFontAttributeName] = [UIFont systemFontOfSize:18];

[navBar setTitleTextAttributes:dict];

UIBarButtonItem *barButton = [UIBarButtonItem appearance];

[barButton setTitleTextAttributes:dict forState:UIControlStateNormal];

}