详解IOS11新特性之larget title的实现

//必须要设置navigationBar的prefersLargeTitles属性为YES才能够显示出大标题self.navigationController.navigationBar.prefersLargeTitles = YES;//样式是navigationItem的枚举 有三种typedef NS_ENUM(NSInteger, UINavigationItemLargeTitleDisplayMode) { /// 自动模式依赖上一个 item 的特性UINavigationItemLargeTitleDisplayModeAutomatic,/// 针对当前 item 总是启用大标题特性UINavigationItemLargeTitleDisplayModeAlways,/// Never UINavigationItemLargeTitleDisplayModeNever,}self.navigationController.navigationItem.largeTitleDisplayMode = UINavigationItemLargeTitleDisplayModeAlways; //为大标题添加富文本属性 [self.navigationController.navigationBar setLargeTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor redColor],NSForegroundColorAttributeName,[UIFont systemFontOfSize:20.f],NSFontAttributeName,nil]];