From dc044fcbca34fda61a4b2db32c34c4ce75a2b01e Mon Sep 17 00:00:00 2001
From: T <crazygo@users.noreply.github.com>
Date: Sat, 28 Mar 2020 16:30:21 +0800
Subject: [PATCH] Fix crash under iOS 10.x

Remove observer before webkit's deinit
---
 ios/Classes/SwiftFlutterHtmlToPdfPlugin.swift | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ios/Classes/SwiftFlutterHtmlToPdfPlugin.swift b/ios/Classes/SwiftFlutterHtmlToPdfPlugin.swift
index 299e255..b9d51d2 100644
--- a/ios/Classes/SwiftFlutterHtmlToPdfPlugin.swift
+++ b/ios/Classes/SwiftFlutterHtmlToPdfPlugin.swift
@@ -47,6 +47,7 @@ public class SwiftFlutterHtmlToPdfPlugin: NSObject, FlutterPlugin{
                 }
                 
                 // dispose WKWebView
+                self.urlObservation = nil
                 self.wkWebView = nil
                 result(convertedFilePath)
             }