IOS using Wkwebview cannot intercept up and down gestures for problem solving

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With regard to gestures, there is time to expand here, the focus of this article is to illustrate a key point, that is, when an event is being responded to by multiple gestures simultaneously, how each is handled, on Wkwebview, there is a proxy method:

-Gesturerecognizer:shouldrecognizesimultaneouslywithgesturerecognizer:

The return of YES in the protocol method means that the previous gesture will continue to be processed after the last gesture is processed, so that we can receive the event information in the target method of the swipe gesture up and down.

Nowadays, many components of Apple, from the original open, began to become tightly controlled, gestures may be used many times, this method can be in an elegant way, so that you can cut into the component event.

IOS using Wkwebview cannot intercept up and down gestures for problem solving