From 5c6abf1dbbd481e5e09192a36e2dfa2ce71c75ee Mon Sep 17 00:00:00 2001
From: Chris Bracken <chris@bracken.jp>
Date: Thu, 2 Nov 2017 15:16:06 -0700
Subject: [PATCH] Correct behaviour for rangeForCharacterAtIndex
 (flutter/engine#4319)

Previously it always fell through to a zero-length character range at
the specified position.
---
 .../darwin/ios/framework/Source/FlutterTextInputPlugin.mm       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/engine/src/flutter/shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm b/engine/src/flutter/shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm
index f4eb210454a..f5e7de3067c 100644
--- a/engine/src/flutter/shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm
+++ b/engine/src/flutter/shell/platform/darwin/ios/framework/Source/FlutterTextInputPlugin.mm
@@ -338,7 +338,7 @@ static UITextAutocapitalizationType ToUITextAutocapitalizationType(NSString* inp
  * text. */
 - (NSRange)rangeForCharacterAtIndex:(NSUInteger)index {
   if (index < self.text.length)
-    [self.text rangeOfComposedCharacterSequenceAtIndex:index];
+    return [self.text rangeOfComposedCharacterSequenceAtIndex:index];
   return NSMakeRange(index, 0);
 }