compat with flutter2. fix #80

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## 2.0.1
+
+* compat with version before flutter3.
+
 ## 2.0.0
 
 * update dart sdk min version to `2.14.0`.

lib/src/overlay_entry.dart

@@ -99,7 +99,8 @@ class _OverlaySupportEntryImpl implements OverlaySupportEntry {
       } else {
         //we need show animation before remove this entry
         //so need ensure entry has been inserted into screen
-        WidgetsBinding.instance.scheduleFrameCallback((_) => animateRemove());
+        _ambiguate(WidgetsBinding.instance)
+            ?.scheduleFrameCallback((_) => animateRemove());
       }
     }
 
@@ -118,6 +119,14 @@ class _OverlaySupportEntryImpl implements OverlaySupportEntry {
   }
 }
 
+/// This allows a value of type T or T?
+/// to be treated as a value of type T?.
+///
+/// We use this so that APIs that have become
+/// non-nullable can still be used with `!` and `?`
+/// to support older versions of the API as well.
+T? _ambiguate<T>(T? value) => value;
+
 class _OverlaySupportEntryEmpty implements OverlaySupportEntry {
   @override
   void dismiss({bool animate = true}) {}

lib/src/overlay_keys.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/widgets.dart';
+import 'package:overlay_support/overlay_support.dart';
 
 /// A widget that builds its child.
 /// The same as [KeyedSubtree]
@@ -32,9 +33,7 @@ class ModalKey<T> extends ValueKey<T> {
 
   @override
   bool operator ==(other) {
-    if (other.runtimeType != runtimeType) return false;
-    final typedOther = other as ModalKey<T>;
-    return value == typedOther.value;
+    return other is ModalKey<T> && value == other.value;
   }
 
   @override
@@ -64,9 +63,7 @@ class TransientKey<T> extends ValueKey<T> {
 
   @override
   bool operator ==(other) {
-    if (other.runtimeType != runtimeType) return false;
-    final typedOther = other as TransientKey<T>;
-    return value == typedOther.value;
+    return other is TransientKey<T> && value == other.value;
   }
 
   @override

pubspec.yaml

@@ -1,6 +1,6 @@
 name: overlay_support
 description: provider support for overlay, easy to build toast and internal notification
-version: 2.0.0
+version: 2.0.1
 homepage: https://github.com/boyan01/overlay_support
 
 environment: