UINavigationController_1.png UINavigationController_2.png

UINavigationController

常用方法

- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated; 

- (nullable UIViewController *)popViewControllerAnimated:(BOOL)animated; 

- (nullable NSArray<__kindof UIViewController *> *)popToViewController:(UIViewController *)viewController animated:(BOOL)animated; 

- (nullable NSArray<__kindof UIViewController *> *)popToRootViewControllerAnimated:(BOOL)animated; 

常用属性

@property(nullable, nonatomic,readonly,strong) UIViewController *topViewController; 

@property(nullable, nonatomic,readonly,strong) UIViewController *visibleViewController;

@property(nonatomic,copy) NSArray<__kindof UIViewController *> *viewControllers; 

@property(nonatomic,readonly) UINavigationBar *navigationBar; 

@property(nonatomic,getter=isToolbarHidden) BOOL toolbarHidden NS_AVAILABLE_IOS(3_0) __TVOS_PROHIBITED; 

UINavigationBar

常用属性

@property(nullable, nonatomic,strong) UIColor *barTintColor NS_AVAILABLE_IOS(7_0) UI_APPEARANCE_SELECTOR; 

//    NSString *const UITextAttributeFont;                       value: UIFont
//    NSString *const UITextAttributeTextColor;                  value: UIColor
//    NSString *const UITextAttributeTextShadowColor;            value: UIColor
//    NSString *const UITextAttributeTextShadowOffset;           value: NSValue wrapping a UIOffset struct.
@property(nullable,nonatomic,copy) NSDictionary<NSString *,id> *titleTextAttributes NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;

UIViewController (UINavigationControllerItem)

常用属性

@property(nonatomic,readonly,strong) UINavigationItem *navigationItem; 

@property(nonatomic) BOOL hidesBottomBarWhenPushed __TVOS_PROHIBITED;

@property(nullable, nonatomic,readonly,strong) UINavigationController *navigationController; 

简介

navigationItem是UIViewController的一个属性，这个属性是为UINavigationController服务的。

“The navigation item used to represent the view controller in a parent’s navigation bar. (read-only)”，

即navigationItem在navigation Bar代表一个viewController.

UINavigationItem

常用属性

@property(nullable, nonatomic,copy)   NSString        *title;            

@property(nullable, nonatomic,strong) UIView          *titleView;         

@property(nullable,nonatomic,copy)   NSString *prompt __TVOS_PROHIBITED;     

@property(nullable,nonatomic,strong) UIBarButtonItem *backBarButtonItem __TVOS_PROHIBITED; 

@property(nonatomic,assign) BOOL hidesBackButton __TVOS_PROHIBITED; 

@property(nullable,nonatomic,copy) NSArray<UIBarButtonItem *> *leftBarButtonItems NS_AVAILABLE_IOS(5_0);

@property(nullable,nonatomic,copy) NSArray<UIBarButtonItem *> *rightBarButtonItems NS_AVAILABLE_IOS(5_0);