From dff4b8d990a40216bfbd9d0ba3ded84cbe47468c Mon Sep 17 00:00:00 2001
From: hn <hajimen19860627@gmail.com>
Date: Fri, 4 Mar 2022 13:14:53 +0900
Subject: [PATCH] fix screen freeze bug  when keyboard is shown and textfield
 doesn't move

---
 ios/Classes/InAppWebView/InAppWebView.swift | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/ios/Classes/InAppWebView/InAppWebView.swift b/ios/Classes/InAppWebView/InAppWebView.swift
index f49fcef7d..e50a241a1 100755
--- a/ios/Classes/InAppWebView/InAppWebView.swift
+++ b/ios/Classes/InAppWebView/InAppWebView.swift
@@ -136,6 +136,12 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
         return result as? UILongPressGestureRecognizer
     }
     
+    @objc private func keyboardDidAppear(_ notification: Notification) {
+        guard let keyboardFrame = (notification.userInfo?["UIKeyboardFrameEndUserInfoKey"] as? NSValue)?.cgRectValue else { return }
+        scrollView.contentInset.bottom = keyboardFrame.height
+    }
+    
+    
     @objc func longPressGestureDetected(_ sender: UIGestureRecognizer) {
         if sender.state == .cancelled {
             return
@@ -300,6 +306,12 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
             options: [.new, .old],
             context: nil)
         
+        NotificationCenter.default.addObserver(
+                        self,
+                        selector: #selector(keyboardDidAppear(_:)),
+                        name: UIResponder.keyboardDidShowNotification,
+                        object: nil)
+        
         NotificationCenter.default.addObserver(
                         self,
                         selector: #selector(onCreateContextMenu),