UITapGestureRecognizer 与 UIPinchGestureRecognizer 交互
我有一个视图控制器，它将 UITapGestureRecognizer 附加到其主 UIView，并允许用户点击屏幕以使状态、导航和工具栏重新出现/消失（就像照片应用程序一样）。我还有一个附加到主 UIView 的 UIScrollView ，它实现了缩放，因此有自己的 UIPinchGestureRecognizer 和 UIPanGestureRecognizer实现滚动和缩放。
我遇到的问题是，当要缩放/滚动 UIScrollView 时，它对拾取附加到主 UIViewUITapGestureRecognizer 非常敏感/代码>。似乎很多时候 UITapGestureRecognizer 都会在不应该触发的时候被触发。有人知道如何修复低于 5.0 的 ios 版本吗？有什么办法可以覆盖 UIScrollView 中 UIGestureRecognizerDelegate 的同步手势委托方法，并防止 UITapGestureRecognizer 在其他手势期间触发？
I have a view controller that attaches a UITapGestureRecognizer to its main UIView, and enables the user to tap the screen to make the status, navigation, and tool bars reappear / disappear (like the photos app). I also have a UIScrollView attached to the main UIView which implements zooming and thus has its own UIPinchGestureRecognizer and UIPanGestureRecognizer to implement scrolling and zooming.
The problem I'm having, is when going to zoom / scroll the UIScrollView, it's very sensitive to picking up the UITapGestureRecognizer which is attached to the main UIView. It seems a lot of the time the UITapGestureRecognizer gets triggered when it shouldn't. Anyone have any ideas on how to fix this for versions of ios below 5.0? Is there someway I can override the simultaneous gestures delegate method for the UIGestureRecognizerDelegate in the UIScrollView and prevent the UITapGestureRecognizer from firing during other gestures?
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使用 requireGestureRecognizerToFail: 方法。
此调用告诉点击识别器等待捏合识别器失败。
Use the
requireGestureRecognizerToFail:method.This call tells the tap recognizer to wait for the pinch recognizer to fail.