摘要： Using View Controllers in Your AppWhether 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.不管你是使用iOS提供的视图控制器，或是使用你创建的用来显示应用程序内容的自定义控制器，使用视图控制器的技术 阅读全文