iphone - 自定义 UIControl 在滚动时获取 touchesCancelled；如何禁用滚动？

Question

我正在编写 UISwitch 替换（带有自定义图形）。我已经覆盖了 touchesMoved 和朋友，因此您可以在 Yes 和 No 之间拖动小部件，就像 UISwitch 一样。

如果将它放在滚动视图中，如果用户将手指沿对角线而不是完全水平移动最微小的一点，则触摸将被取消，并开始滚动。我注意到 UISwitch 和 UIButton 没有表现出这种行为，并且在操作这些控件时滚动永远不会启动。

How can I tell UIKit that I want exclusive control over these touches, in effect disabling scroll in touchesBegan and enabling scroll in ended/cancelled? I'm sure there's something obvious, but I've looked through the headers and documentation for UIControl, UIResponder, UIView and UIScrollView and haven't found anything.

Note: I don't want to make a UIScrollView subclass; I can't imagine that being the right solution, the control should be completely standalone.

Answer 1

canCancelContentTouches = NO在滚动视图和exclusiveTouch = YES自定义控件中设置允许这种行为，假设您很高兴更改滚动视图上的属性。