From 48954205b00af63ff69345643910865b1ba38a12 Mon Sep 17 00:00:00 2001
From: zhongwuzw <zhongwuzw@qq.com>
Date: Wed, 27 Oct 2021 16:26:49 +0800
Subject: [PATCH] [iOS] Fixes press key message leaks

---
 .../darwin/ios/framework/Source/FlutterChannelKeyResponder.mm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/shell/platform/darwin/ios/framework/Source/FlutterChannelKeyResponder.mm b/shell/platform/darwin/ios/framework/Source/FlutterChannelKeyResponder.mm
index e1579024a715c..4e9131711bc31 100644
--- a/shell/platform/darwin/ios/framework/Source/FlutterChannelKeyResponder.mm
+++ b/shell/platform/darwin/ios/framework/Source/FlutterChannelKeyResponder.mm
@@ -132,7 +132,7 @@ - (void)handlePress:(nonnull FlutterUIPressProxy*)press
   NSString* characters = getEventCharacters(press.key.characters, press.key.keyCode);
   NSString* charactersIgnoringModifiers =
       getEventCharacters(press.key.charactersIgnoringModifiers, press.key.keyCode);
-  NSMutableDictionary* keyMessage = [@{
+  NSMutableDictionary* keyMessage = [[@{
     @"keymap" : @"ios",
     @"type" : type,
     @"keyCode" : @(press.key.keyCode),
@@ -141,7 +141,7 @@ - (void)handlePress:(nonnull FlutterUIPressProxy*)press
     @"charactersIgnoringModifiers" : charactersIgnoringModifiers == nil
         ? @""
         : charactersIgnoringModifiers,
-  } mutableCopy];
+  } mutableCopy] autorelease];
   [self.channel sendMessage:keyMessage
                       reply:^(id reply) {
                         bool handled = reply ? [[reply valueForKey:@"handled"] boolValue] : true;