Migrated to Null Safety

.fvm/flutter_sdk

@@ -0,0 +1 @@
+/Users/marcos/Documents/SDKs/fvm/versions/2.0.0

.fvm/fvm_config.json

@@ -0,0 +1,3 @@
+{
+  "flutterSdkVersion": "2.0.0"
+}

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "dart.flutterSdkPath": "/Users/marcos/Documents/Proyectos/flutter/libs/awesomeDialogs/.fvm/flutter_sdk"
+}

example/lib/main.dart

@@ -19,7 +19,7 @@ class MyApp extends StatelessWidget {
 
 class HomePage extends StatefulWidget {
   const HomePage({
-    Key key,
+    Key? key,
   }) : super(key: key);
 
   @override
@@ -252,7 +252,7 @@ class _HomePageState extends State<HomePage> {
                   text: 'Body with Input',
                   color: Colors.blueGrey,
                   pressEvent: () {
-                    AwesomeDialog dialog;
+                    late AwesomeDialog dialog;
                     dialog = AwesomeDialog(
                       context: context,
                       animType: AnimType.SCALE,

example/lib/test_page.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
 class TestPage extends StatelessWidget {
-  const TestPage({Key key}) : super(key: key);
+  const TestPage({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/pubspec.lock

@@ -7,49 +7,49 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0-nullsafety.1"
+    version: "2.5.0"
   awesome_dialog:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "1.3.2"
+    version: "2.0.0-nullsafety.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0-nullsafety.3"
+    version: "1.15.0"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -63,21 +63,14 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
-  flare_dart:
-    dependency: transitive
-    description:
-      name: flare_dart
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.3.4"
+    version: "1.2.0"
   flare_flutter:
     dependency: transitive
     description:
       name: flare_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.6"
+    version: "3.0.0-nullsafety.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -94,42 +87,35 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10-nullsafety.1"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.1"
+    version: "1.8.0"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.2"
-  sa_v1_migration:
-    dependency: transitive
-    description:
-      name: sa_v1_migration
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.2"
+    version: "1.11.0"
   simple_animations:
     dependency: transitive
     description:
       name: simple_animations
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.1"
+    version: "3.0.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -141,69 +127,69 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.2"
+    version: "1.8.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.0-nullsafety.1"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.1"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.1.0"
   supercharged:
     dependency: transitive
     description:
       name: supercharged
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.12.0"
+    version: "2.0.0"
   supercharged_dart:
     dependency: transitive
     description:
       name: supercharged_dart
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.0"
+    version: "2.0.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19-nullsafety.2"
+    version: "0.2.19"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0"
 sdks:
-  dart: ">=2.10.0-110 <2.11.0"
+  dart: ">=2.12.0 <3.0.0"

example/pubspec.yaml

@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
   flutter: