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…

Audio Queue Services 的苹果官方文档: https://developer.apple.com/library/ios/documentation/MusicAudio/Conceptual/AudioQueueProgrammingGuide/Introduction/Introduction.html#//apple_ref/doc/uid/TP40005343-CH1-SW1 网友对上面的苹果官方文档的部分翻译: 音频队列服务编程指南(Audio Queue Servi…

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…

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…

Next About iOS Collection Views 关于iOS Collection Views A collection view is a way to present an ordered set of data items using a flexible and changeable layout. The most common use for collection views is to present items in a grid-like arrangement,…

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'…

Custom Layouts: A Worked Example Creating a custom collection view layout is simple with straightforward requirements, but the implementation details of the process may vary. Your layout must produce layout attributes objects for every view your coll…

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…

Next About Windows and Views 关于窗口和视图 In iOS, you use windows and views to present your application’s content on the screen. Windows do not have any visible content themselves but provide a basic container for your application’s views. Views define a…

  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…