设计一个“向导” iPad 上的一组屏幕
我想在 iPad 上构建一组引导式“向导”屏幕。因此，有一个主屏幕，其中包含 N 个引导的子步骤。您应该能够在这些步骤中前后移动，而且还有一个可转到基本步骤的“主页”按钮。
因此，技术挑战是：一个屏幕如何自行卸载并加载序列中的下一个屏幕？
I want to build a guided "Wizard" set of screens on the iPad. So there is one master screen with N sub-steps in it that are guided through. You should be able to go backwards and forwards through the steps, but also have a "Home" button that goes to the base step.
So the technical challenge is: how does a screen unload itself and load another screen that is the next in the sequence?
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我强烈建议您使用 UINavigationController （可能作为 ModalViewController），因为它旨在以这种方式使用，并为每个配置步骤提供一系列子视图控制器。在整个视图控制器中共享一个对象来跟踪用户进度，瞧！
您可以使用单个 UIViewController 来显示/隐藏不同的全屏视图，但我真的不明白这样做的意义：UINavigationController 也会让您的用户感到熟悉，而自定义解决方案可能不会。
I strongly suggest you use a UINavigationController (possibly as a ModalViewController) as it is intended to be used that way, with a chain of sub view controllers for each step of configuration. Share a single object throughout your viewcontrollers to keep track of the user progress and voila!
You could use a single UIViewController with different full screen views being showed/hidden but I don't really see the point of doing it that way: the UINavigationController will also feel familiar for your users, where a custom solution might not.