From 2a764289e50472702b961ecf8be27e4eefb3e5ec Mon Sep 17 00:00:00 2001
From: Yegor <yjbanov@google.com>
Date: Thu, 22 Aug 2019 17:35:07 -0700
Subject: [PATCH] preventDefault on touchend to show iOS keyboard
 (flutter/engine#11390)

---
 .../src/flutter/lib/web_ui/lib/src/engine/pointer_binding.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/pointer_binding.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/pointer_binding.dart
index 59b86632ce1..3e2ee972fb6 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/pointer_binding.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/pointer_binding.dart
@@ -318,6 +318,9 @@ class TouchAdapter extends BaseAdapter {
     });
 
     _addEventListener('touchend', (html.Event event) {
+      // On Safari Mobile, the keyboard does not show unless this line is
+      // added.
+      event.preventDefault();
       _updateButtonDownState(_kPrimaryMouseButton, false);
       _callback(_convertEventToPointerData(ui.PointerChange.up, event));
     });