From 98de8eb153e944e4fd83d5b93f5ee7273e7a77d3 Mon Sep 17 00:00:00 2001
From: Pascal Welsch <pascal@welsch.dev>
Date: Mon, 18 Sep 2023 17:32:51 +0200
Subject: [PATCH] Be backwards compatible with Flutter 3.13

---
 lib/src/utils/changenotifier2.dart | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/src/utils/changenotifier2.dart b/lib/src/utils/changenotifier2.dart
index 03b189d0..660d7932 100644
--- a/lib/src/utils/changenotifier2.dart
+++ b/lib/src/utils/changenotifier2.dart
@@ -21,7 +21,7 @@ class ChangeNotifier2 implements ChangeNotifier {
   final List<void Function()> listeners = [];
 
   ChangeNotifier2() {
-    if (kFlutterMemoryAllocationsEnabled) {
+    if (_kFlutterMemoryAllocationsEnabled) {
       maybeDispatchObjectCreation();
     }
   }
@@ -32,7 +32,7 @@ class ChangeNotifier2 implements ChangeNotifier {
       throw "$instanceName is already disposed.";
     }
 
-    if (kFlutterMemoryAllocationsEnabled) {
+    if (_kFlutterMemoryAllocationsEnabled) {
       maybeDispatchObjectCreation();
     }
     listeners.add(listener);
@@ -79,10 +79,11 @@ class ChangeNotifier2 implements ChangeNotifier {
   }
 
   @override
+  // ignore: override_on_non_overriding_member
   void maybeDispatchObjectCreation() {
     // Tree shaker does not include this method and the class MemoryAllocations
     // if kFlutterMemoryAllocationsEnabled is false.
-    if (kFlutterMemoryAllocationsEnabled && !_creationDispatched) {
+    if (_kFlutterMemoryAllocationsEnabled && !_creationDispatched) {
       MemoryAllocations.instance.dispatchObjectCreated(
         library: 'package:wiredash/src/utils/changenotifier2.dart',
         className: '$ChangeNotifier2',
@@ -92,3 +93,11 @@ class ChangeNotifier2 implements ChangeNotifier {
     }
   }
 }
+
+const bool _kMemoryAllocations =
+    bool.fromEnvironment('flutter.memory_allocations');
+
+/// Copy of [kFlutterMemoryAllocationsEnabled] to be backwards compatible with
+/// Flutter 3.13 and earlier
+const bool _kFlutterMemoryAllocationsEnabled =
+    _kMemoryAllocations || kDebugMode;