UIViewController学习笔记

About View Controllers

        在iOS程序里,view controllers在程序的数据和可视化界面之间提供了一个必不可少的链接.理解when和how去使用view controllers在 iOS程序设计中是非常重要的. 在MVC程序设计中,view controllers是传统的对象控制器,但是view controllers所发挥的作用要更大. 在iOS程序中,view controllers提供了许多管理基础应用行为所需的逻辑. 比如, view controllers管理在屏幕上显示和移除显示内容,管理views的再定位 响应设备中再定位的改变.

概括

Tasks

Creating a View Controller Using Nib Files

• – initWithNibName:bundle:
•   nibName  property
•   nibBundle  property

Managing the View

•   view  property
• – loadView
• – viewDidLoad
• – viewDidUnload
• – isViewLoaded
•   title  property
•   contentSizeForViewInPopover  property
•   modalInPopover  property

Responding to View Events

• – viewWillAppear:
• – viewDidAppear:
• – viewWillDisappear:
• – viewDidDisappear:

Configuring the View’s Layout Behavior

•   wantsFullScreenLayout  property

Configuring the View Rotation Settings

•   interfaceOrientation  property
• – shouldAutorotateToInterfaceOrientation:
• – rotatingHeaderView
• – rotatingFooterView

Responding to View Rotation Events

• – willRotateToInterfaceOrientation:duration:
• – willAnimateRotationToInterfaceOrientation:duration:
• – didRotateFromInterfaceOrientation:
• – willAnimateFirstHalfOfRotationToInterfaceOrientation:duration:
• – didAnimateFirstHalfOfRotationToInterfaceOrientation:
• – willAnimateSecondHalfOfRotationFromInterfaceOrientation:duration:

Handling Memory Warnings

• – didReceiveMemoryWarning

Getting Other Related View Controllers

•   parentViewController  property
•   searchDisplayController  property
•   splitViewController  property
•   modalViewController  property
•   navigationController  property
•   tabBarController  property

Presenting Modal Views

• – presentModalViewController:animated:
• – dismissModalViewControllerAnimated:
•   modalTransitionStyle  property
•   modalPresentationStyle  property
• – disablesAutomaticKeyboardDismissal

Configuring a Navigation Interface

•   navigationItem  property
•   editing  property
• – setEditing:animated:
• – editButtonItem
•   hidesBottomBarWhenPushed  property

Configuring the Navigation Controller’s Toolbar

• – setToolbarItems:animated:
•   toolbarItems  property

Configuring Tab Bar Items

•   tabBarItem  property