https://msdn.microsoft.com/en-us/library/ms173156.aspx An interface contains definitions for a group of related functionalities that a class or a struct can implement. By using interfaces, you can, for example, include behavior from multiple sources…

https://msdn.microsoft.com/en-us/library/kwtft8ak(v=vs.140).aspx It is often useful to define interfaces either for generic collection classes, or for the generic classes that represent items in the collection. The preference偏爱,优先权 for generic classe…

https://msdn.microsoft.com/en-us/library/ms173152.aspx Polymorphism is often referred to as the third pillar of object-oriented programming, after encapsulation and inheritance.  面向对象编程的三个特性:封装,继承,多态 Polymorphism is a Greek word that means "many-shap…

原文:View Programming Guide for iOS View and Window Architecture 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 a…

原文:View Programming Guide for iOS 1 Introduction 先熟悉一下基本概念. Window Windows do not have any visible content themselves but provide a basic container for your application's views. Every application has at least one window that displays the application'…

View Controller Basics 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 must there…

About View Controllers View controllers are a vital link between an app’s data and its visual appearance. Whenever an iOS app displays a user interface, the displayed content is managed by a view controller or a group of view controllers coordinating…

  Animations Animations provide fluid visual transitions between different states of your user interface. In iOS, animations are used extensively to reposition views, change their size, remove them from view hierarchies, and hide them. You might use…

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…