From 77f3ee0f3993908d17cf3c65a05ee2cfba5c6083 Mon Sep 17 00:00:00 2001
From: Jesse Wilson <jwilson@squareup.com>
Date: Tue, 31 Oct 2023 22:07:09 -0400
Subject: [PATCH] Don't get stuck in programmatic scrolling (#1662)

---
 .../app/cash/redwood/lazylayout/uiview/UIViewLazyList.kt | 9 ++++++++-
 samples/emoji-search/ios-uikit/EmojiSearchApp/Info.plist | 2 ++
 test-app/ios-uikit/TestApp/Info.plist                    | 2 ++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/redwood-lazylayout-uiview/src/commonMain/kotlin/app/cash/redwood/lazylayout/uiview/UIViewLazyList.kt b/redwood-lazylayout-uiview/src/commonMain/kotlin/app/cash/redwood/lazylayout/uiview/UIViewLazyList.kt
index 6233bdfc9b..a48f162202 100644
--- a/redwood-lazylayout-uiview/src/commonMain/kotlin/app/cash/redwood/lazylayout/uiview/UIViewLazyList.kt
+++ b/redwood-lazylayout-uiview/src/commonMain/kotlin/app/cash/redwood/lazylayout/uiview/UIViewLazyList.kt
@@ -160,6 +160,14 @@ internal open class UIViewLazyList(
         scrollProcessor.onUserScroll(firstIndex, lastIndex)
       }
 
+      /**
+       * If the user begins a drag while we’re programmatically scrolling, well then we're not
+       * programmatically scrolling anymore.
+       */
+      override fun scrollViewWillBeginDragging(scrollView: UIScrollView) {
+        isDoingProgrammaticScroll = false
+      }
+
       override fun scrollViewDidEndScrollingAnimation(scrollView: UIScrollView) {
         isDoingProgrammaticScroll = false
       }
@@ -169,7 +177,6 @@ internal open class UIViewLazyList(
     tableView.apply {
       dataSource = this@UIViewLazyList.dataSource
       delegate = tableViewDelegate
-      prefetchingEnabled = true
       rowHeight = UITableViewAutomaticDimension
       separatorStyle = UITableViewCellSeparatorStyleNone
 
diff --git a/samples/emoji-search/ios-uikit/EmojiSearchApp/Info.plist b/samples/emoji-search/ios-uikit/EmojiSearchApp/Info.plist
index 7b1dc55785..103186ca11 100644
--- a/samples/emoji-search/ios-uikit/EmojiSearchApp/Info.plist
+++ b/samples/emoji-search/ios-uikit/EmojiSearchApp/Info.plist
@@ -4,6 +4,8 @@
 <dict>
 	<key>NSAppTransportSecurity</key>
 	<dict>
+		<key>NSAllowsArbitraryLoads</key>
+		<true/>
 		<key>NSExceptionDomains</key>
 		<dict>
 			<key>localhost</key>
diff --git a/test-app/ios-uikit/TestApp/Info.plist b/test-app/ios-uikit/TestApp/Info.plist
index 7b1dc55785..103186ca11 100644
--- a/test-app/ios-uikit/TestApp/Info.plist
+++ b/test-app/ios-uikit/TestApp/Info.plist
@@ -4,6 +4,8 @@
 <dict>
 	<key>NSAppTransportSecurity</key>
 	<dict>
+		<key>NSAllowsArbitraryLoads</key>
+		<true/>
 		<key>NSExceptionDomains</key>
 		<dict>
 			<key>localhost</key>