Cocoa touch（七）：UINavigationViewController

Creating Navigation Controllers

• – initWithRootViewController:
• – initWithNavigationBarClass:toolbarClass:

Accessing Items on the Navigation Stack

•    topViewController  property
•    visibleViewController  property
•    viewControllers  property
• – setViewControllers:animated:

Pushing and Popping Stack Items

• – pushViewController:animated:
• – popViewControllerAnimated:
• – popToRootViewControllerAnimated:
• – popToViewController:animated:

Configuring Navigation Bars

•    navigationBar  property
•    navigationBarHidden  property
• – setNavigationBarHidden:animated:

Accessing the Delegate

•    delegate  property

Configuring Custom Toolbars

•    toolbar  property
• – setToolbarHidden:animated:
•    toolbarHidden  property