Views Because view objects are the main way your application interacts with the user, they have many responsibilities. Here are just a few: 因为视图对象是应用程序跟用户交互的主要方式,所以它们有很多责任.以下是其中一小部分: Layout and subview management 布局和子视图管理 A view defines its own defau…
Windows Every iOS application needs at least one window—an instance of the UIWindow class—and some may include more than one window. A window object has several responsibilities: 每个iOS应用程序需要至少一个窗口---UIWindow类的一个实例---有些可能有不止一个窗口.窗口对象的任务是: It contains…
View and Window Architecture 视图和窗口架构 Views and windows present your application’s user interface and handle the interactions with that interface. UIKit and other system frameworks provide a number of views that you can use as-is with little or no mod…
参考:http://www.cnblogs.com/patientAndPersist/p/3279645.html 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 o…