IOS Study Notes-UINavgationController,

IOS Study Notes-UINavgationController,
Creating Navigation Controllers

-(Instancetype) initWithRootViewController :( UIViewController *)rootViewController

Parameter: UIViewController

 

Method: initWithNavigationBarClass: toolbarClass
Initializes and returns a newly created navigation controller that uses your custom bar subclasses.

-(Instancetype) initWithNavigationBarClass :( Class)navigationBarClass
ToolbarClass :( Class)toolbarClass

Parameters: navigationBarClass and toolbarClass

 

Attribute: topViewController

The view controller at the top of the navigation stack. (read-only)

 

@ Property (nonatomic, readonly, retain) UIViewController * topViewController

 

Attribute:VisibleViewController

The view controller associated with the currently visible view in the navigation interface. (read-only)

@ Property (nonatomic, readonly, retain) UIViewController * visibleViewController

 

Property: viewControllers

The view controllers currently on the navigation stack.

@ Property (nonatomic, copy) NSArray * viewControllers

 

Method: SetViewControllers: animated:

Replaces the view controllers currently managed by the navigation controller with the specified items.

-(Void) setViewControllers :( NSArray *)viewControllers
Animated :( BOOL)animated

 

 

Pushing and Popping Stack Items

Method: PushViewController: animated:

Pushes a view controller onto the explorer's stack and updates the display.

-(Void) pushViewController :( UIViewController *)viewController
Animated :( BOOL)animated

Parameters: ViewController, animated

 

Method: PopViewControllerAnimated:

Pops the top view controller from the navigation stack and updates the display.

-(UIViewController *) popViewControllerAnimated :( BOOL)animated

Parameters: Animated

 

Method: PopToRootViewControllerAnimated:

Pops all the view controllers on the stack doesn't the root view controller and updates the display.

-(NSArray *) popToRootViewControllerAnimated :( BOOL)animated

Parameters: Animated

 

Method: PopToViewController: animated:

Pops view controllers until the specified view controller is at the top of the navigation stack.

-(NSArray *) popToViewController :( UIViewController *)viewController
Animated :( BOOL)animated

Parameters: viewController and animated

 

Attribute: Interactivepopgsturerecognizer

The gesture recognizer responsible for popping the top view controller off the navigation stack. (read-only)

@ Property (nonatomic, readonly) UIGestureRecognizer * interactivepopgsturerecognizer

 

 

Grouping Navigation Bars

Attribute:navigationBar

The navigation bar managed by the navigation controller. (read-only)

@ Property (nonatomic, readonly) UINavigationBar * navigationBar

 

 

Method:-setNavigationBarHidden: animated:

Sets whether the navigation bar is den.

-(Void) setNavigationBarHidden :( BOOL)hidden
Animated :( BOOL)animated

 

Hiding the Navigation Bar

Attribute: hidesBarsOnTop

Attribute: hidesBarsOnSwipe

Attribute: hidesBarsWhenVerticallyCompact

Attribute: hidesBarsWhenKeboardAppears

Property: navigationBarHidden

Attribute: barhideontapgesturerecognier

Attribute: barHideOnSwipeGestureRecognizer

 

 

Postscript:

Use this initialization method if you want to use custom navigation bar or toolbar subclasses with the navigation controller. if you use this method, you are responsible for adding a root view controller before presenting the navigation controller onscreen.