介绍 class GesturesConflictScrollView:, UIScrollView {
override 才能;func gestureRecognizerShouldBegin (UIGestureRecognizer _ 手势识别器:),→,Bool {
,,,回来(:,手势识别器)
,,}
private 才能;final func 回(UIGestureRecognizer by 手势识别器:),→,Bool {
,,,,
,,,guard gestureRecognizer ==, panGestureRecognizer else {, return true }
,,,//,point.x & lt;, 0,代表左滑即手指从屏幕右向左移动,反之一样
,,,let 观点:,CGPoint =, panGestureRecognizer.translation(:,自我)
,,,let 状态:,UIGestureRecognizer.State =gestureRecognizer.state
,,,let locDistance:, CGFloat =UIScreen.main.bounds.size.width
,,,,
,,,if state ==, .began | |, state ==, .possible {
,,,,,let locationPoint =, gestureRecognizer.location(:,自我)
,,,,,if point.x 祝辞,0,,,,locationPoint.x & lt;, locDistance ,,, contentOffset.x & lt;=, 0, {
,,,,,,,return 错误的
,,,,,}
,,,,,let pageCount =, contentSize.width /UIScreen.main.bounds.size.width
,,,,,let criticalPoint =, pageCount & lt;, 2, ?, locDistance :, locDistance *, (pageCount 安康;1)
,,,,,if point.x & lt;, 0,,,, contentOffset.x ==, criticalPoint {
,,,,,,,return 错误的
,,,,,}
,,,}
,,,return 真实的
,,}
}
小编给大家分享一下iOS UIScrollView和控制器返回手势冲突怎么办,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获、下面让我们一起去了解一下吧!
开发中,有部分UI,会将UIScrollView横向铺在底层,上面放tableView或一些视图左右滚动切换,底层的滚动视图会和Nav ViewController原有的返回手势冲突,
解决办法,重写UIScrollView的gestureRecognizerShouldBegin,在滚动视图滚动到头的时候,屏蔽滚动视图的手势
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