一.UIViewController 做iOS开发的经常会和UIViewController打交道,从类名可知UIViewController属于MVC模型中的C(Controller),说的更具体点它是一个视图控制器,管理着一个视图(view). UIViewController的view是lazy loading的,当你访问其view属性的时候,view会从xib文件载入或者通过代码创建(覆盖loadView方法,自定义其view hierarchy),并返回,如果要判断一个View Con…

iOS 容器控制器 (Container View Controller) 一个控制器包含其他一个或多个控制器,前者为容器控制器 (Container View Controller),后者为子控制器 (Child View Controller).UINavigationController.UITabBarController 是常用的容器控制器.本文介绍自定义容器控制器的方法. 自定义容器控制器 添加子控制器 - (void)displayContentController:(UIView…

容器视图控制器 容器视图控制器管理和展示它的子视图集合--或者子控制器集合--以一种自己定义的方式. 系统定义的容器视图控制器的样例有标签栏视图控制器.导航栏视图控制器和分栏视图控制器(查看Tab Bar.Navigation Bar和Split View Controller来学习很多其它关于这些元素的内容). API NOTE 查看UIViewController Class Reference学习关于在你的代码中定义自己定义的容器视图控制器的内容. 容器视图控制器没有提前定义的外观和行为.…

有时候,我们的Controler中包含有另一个controler view的view时,可以使用这种方式. https://developer.apple.com/library/ios/featuredarticles/ViewControllerPGforiPhoneOS/ImplementingaContainerViewController.html 把一个controller view 加入到 controler中 [self addChildViewController:conten…

View Controller Basics   视图控制器基础 Apps running on iOS–based devices have a limited amount of screen space for displaying content and therefore must be creative in how they present information to the user. Apps that have lots of information to display…

View controller是iOS中顶层的视图载体和控制器,它需要对view负责,管理view的生命周期,相关处室话以及交互事件,除此以外还需要为view提供合适的数据,以供view使用. View controller与view之间的绑定是十分密切的,它也一样参与事件的响应,并管理事件.对于这点,我们可以观察UIViewController的继承结构: NSObject->UIResponder->UIViewController 从中我们可以看出view controller是一个UI…

Resizing the View Controller’s Views A view controller owns its own view and manages the view’s contents. In the process, the view controller also manages the view’s subviews. But in most cases, the view’s frame is not set directly by the view contro…

Responding to Display-Related Notifications 响应跟显示相关的通知 When the visibility of a view controller’s view changes, the view controller calls some built-in methods to notify subclasses of the changes. You can override these methods to override how your s…

Creating Custom Content View Controllers 创建自定义内容视图控制器 Custom content view controllers are the heart of your app. You use them to present your app’s unique content. All apps need at least one custom content view controller. Complex apps divide the wor…

Using View Controllers in Your App Whether you are working with view controllers provided by iOS, or with custom controllers you’ve created to show your app’s content, you use a similar set of techniques to actually work with the view controllers. 不管…