UIView 类中 addSubview 和 insertSubview 的区别

Difference between addSubview and insertSubview in UIView class(UIView 类中 addSubview 和 insertSubview 的区别)

问题描述

以编程方式添加视图时，addSubview 和 insertSubView 方法有什么区别?

What is the difference between addSubview and insertSubView methods when a view is added programmatically?

推荐答案

唯一的区别在于添加视图的位置:是最前面的视图(addSubview:)，还是之前第 5 个子视图 (insertSubview:atIndex:) 或者如果它紧随另一个子视图 (insertSubview:aboveSubview:).

The only difference is in where the view is added: whether it is the frontmost view (addSubview:), or it is before the 5th subview, (insertSubview:atIndex:) or if it is immediately behind another subview (insertSubview:aboveSubview:).

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