问题描述
我有一个带有一行按钮的水平滚动视图.除非我非常快速地滑动，否则滚动视图不会滚动.
I have a horizontal scroll view with a line of buttons. The scroll view will not scroll unless I do an extremely fast swipe.
如果我将按钮设置为 userInteractionEnabled = NO，则滚动按预期工作，但当然，按钮根本不起作用.
If I set the buttons to userInteractionEnabled = NO, then the scrolling works as expected, but of course, then the buttons don't work at all.
此应用在 iOS 7 及之前的版本中运行良好.这似乎是 iOS 8 的功能".我确实注意到我可以捕获按钮的拖动事件，但我不知道如何将其重定向回滚动视图.
This app worked fine in iOS 7 and before. It seems to be a iOS 8 "feature". I did notice that I can catch the button's drag event, but I don't know how to redirect it back to the scrollView.
我想我需要用 UIView 替换我的按钮并自己管理事件，但如果有人有其他想法或解决方案，我将不胜感激.
I'm thinking I'll need to replace my buttons with UIViews and manage the events myself but I'd be grateful if someone has other ideas or solutions.
推荐答案
我发现在 iOS 8 中，UIScrollView 的底层 UIPanGestureRecognizer 不尊重 UIScrollView 的 delaysContentTouches 属性.我认为这是一个 iOS 8 错误.这是我的解决方法:
I found that in iOS 8, the UIScrollView's underlying UIPanGestureRecognizer is not respecting the UIScrollView's delaysContentTouches property. I consider this an iOS 8 bug. Here's my workaround:
theScrollView.panGestureRecognizer.delaysTouchesBegan = theScrollView.delaysContentTouches
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