[Webkit-unassigned] [Bug 190516] WKWebView with keyboard typing shows delay in updating UI

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Oct 14 21:42:28 PDT 2018


--- Comment #3 from nehap <neha.pansare at trymyui.com> ---
(In reply to Simon Fraser (smfr) from comment #1)
> We'll need a way to run your application to investigate this. Can you attach
> an Xcode project (public sources only).

Thanks for the reply.

I can give you details of my application. 
I am using AVAssetWriter with CADisplayLink to record the screen of my application. I am showing website using WKWebView in my application. If website needs to get input from user, it shows keyboard through website. When keyboard appears, it shows me constraint error in log on iOS 11 & 12. After that if I start click on keyboard keys, it shows the click event first and after a delay, it reflects the value in input field of website. As, I mentioned already, I am using method "drawHierarchy(in rect: CGRect, afterScreenUpdates afterUpdates: Bool) -> Bool" to take screenshots so that it can record each frame.

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