From 0dfbfe9a3543a5c5dc9536a51aff0e211ca94827 Mon Sep 17 00:00:00 2001
From: Matthew Lloyd <github@matthewlloyd.net>
Date: Fri, 26 Apr 2019 18:02:30 -0400
Subject: [PATCH] iOS: Call setNeedsLayout() in scrollViewDidScroll()

Otherwise, the web view scrolls in blank white space which
doesn't get painted until the scroll gesture is finished,
because the WKWebView hasn't rendered that part of the
viewport to its offscreen buffer.
---
 ios/Classes/InAppWebView.swift | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ios/Classes/InAppWebView.swift b/ios/Classes/InAppWebView.swift
index 31b1a5bf6..95aba56ed 100644
--- a/ios/Classes/InAppWebView.swift
+++ b/ios/Classes/InAppWebView.swift
@@ -622,6 +622,7 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
             let y = Int(scrollView.contentOffset.y / scrollView.contentScaleFactor)
             onScrollChanged(x: x, y: y)
         }
+        setNeedsLayout()
     }
     
     public func onLoadStart(url: String) {