From 1e5225dcf108c66c7ad7e83cf78981bcd7e3320e Mon Sep 17 00:00:00 2001
From: chonghorizons <36284839+chonghorizons@users.noreply.github.com>
Date: Thu, 9 Apr 2020 09:31:01 -0400
Subject: [PATCH] Set the type of the callback passed to AddLIstener

Fix for issue #38
https://github.com/efortuna/memechat/issues/38
---
 lib/main.dart | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/lib/main.dart b/lib/main.dart
index 962d262..077f552 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -115,11 +115,18 @@ class ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
     });
     if (imageUrl != null) {
       NetworkImage image = NetworkImage(imageUrl);
-      image
-          .resolve(createLocalImageConfiguration(context))
-          .addListener((_, __) {
+      ImageStreamListener isl = ImageStreamListener((_, __) {
         animationController?.forward();
       });
+      image
+          .resolve(createLocalImageConfiguration(context))
+          .addListener(isl);
+// OLD CODE WITH typeCheck error "Null(dynamic, dynamic)      
+//       image
+//           .resolve(createLocalImageConfiguration(context))
+//           .addListener((_, __) {
+//         animationController?.forward();
+//       });
     } else {
       animationController?.forward();
     }