In this lesson, you will learn how to customize the default editor layout in a Detail View. For this purpose, the Contact Detail View will be used. 在本课中,您将学习如何在详细视图中自定义默认编辑器布局.为此,将使用"联系人详细信息"视图. Note 注意 Before proceeding, take a moment to review…
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…
Creating Custom Layouts 创建自定义布局 Before you start building custom layouts, consider whether doing so is really necessary. The UICollectionViewFlowLayout class provides a significant amount of behavior that has already been optimized for efficiency and…
Incorporating Gesture Support 结合手势支持 You can add greater interactivity to your collection views through the use of gesture recognizers. Like any view, you can add a gesture recognizer to a collection view and use it to trigger actions when those ge…
Using the Flow Layout使用流布局 The UICollectionViewFlowLayout class is a concrete layout object that you can use to arrange items in your collection views. The flow layout implements a line-based breaking layout, which means that the layout object plac…