Fix unrecognised selector crash on iOS 9

sammy-SC · facebook-github-bot · commit 4c4948b6e832 · 2019-10-28T00:07:19.000-07:00
Summary: Refresh control is only available in iOS 10+ > https://developer.apple.com/documentation/uikit/uiscrollview/2127691-refreshcontrol?language=objc changelog: Fix crash in `RCTPullToRefreshViewComponentView` on iOS 10 Reviewed By: cpojer Differential Revision: D18161020 fbshipit-source-id: c789433f132e68fc71c875e1da79bfe4fd799a44
diff --git a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTPullToRefreshViewComponentView.mm b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTPullToRefreshViewComponentView.mm
@@ -125,7 +125,9 @@ - (void)_attach
     return;
   }
 
-  _scrollViewComponentView.scrollView.refreshControl = _refreshControl;
+  if (@available(iOS 10.0, macOS 13.0, *)) {
+    _scrollViewComponentView.scrollView.refreshControl = _refreshControl;
+  }
 }
 
 - (void)_detach

Original file line number	Diff line number	Diff line change
`@@ -125,7 +125,9 @@ - (void)_attach`
`125`	`125`	`return;`
`126`	`126`	`}`
`127`	`127`
`128`		`- _scrollViewComponentView.scrollView.refreshControl = _refreshControl;`
	`128`	`+ if (@available(iOS 10.0, macOS 13.0, *)) {`
	`129`	`+ _scrollViewComponentView.scrollView.refreshControl = _refreshControl;`
	`130`	`+ }`
`129`	`131`	`}`
`130`	`132`
`131`	`133`	`- (void)_detach`