Landing beta changes in master for the new stable release (#747)

infinite_list/lib/main.dart

@@ -32,7 +32,7 @@ class MyHomePage extends StatelessWidget {
       appBar: AppBar(
         title: Text('Infinite List Sample'),
       ),
-      body: Selector<Catalog, int>(
+      body: Selector<Catalog, int?>(
         // Selector is a widget from package:provider. It allows us to listen
         // to only one aspect of a provided value. In this case, we are only
         // listening to the catalog's `itemCount`, because that's all we need

infinite_list/lib/src/api/item.dart

@@ -12,9 +12,9 @@ class Item {
   final String name;
 
   Item({
-    @required this.color,
-    @required this.name,
-    @required this.price,
+    required this.color,
+    required this.name,
+    required this.price,
   });
 
   Item.loading() : this(color: Colors.grey, name: '...', price: 0);

infinite_list/lib/src/api/page.dart

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/material.dart';
-import 'package:meta/meta.dart';
-
 import 'item.dart';
 
 const int itemsPerPage = 20;
@@ -17,8 +14,8 @@ class ItemPage {
   final bool hasNext;
 
   ItemPage({
-    @required this.items,
-    @required this.startingIndex,
-    @required this.hasNext,
+    required this.items,
+    required this.startingIndex,
+    required this.hasNext,
   });
 }

infinite_list/lib/src/catalog.dart

@@ -32,7 +32,7 @@ class Catalog extends ChangeNotifier {
 
   /// The size of the catalog. This is `null` at first, and only when the user
   /// reaches the end of the catalog, it will hold the actual number.
-  int itemCount;
+  int? itemCount;
 
   /// After the catalog is disposed, we don't allow it to call
   /// [notifyListeners].
@@ -62,7 +62,7 @@ class Catalog extends ChangeNotifier {
 
     // If the corresponding page is already in memory, return immediately.
     if (_pages.containsKey(startingIndex)) {
-      var item = _pages[startingIndex].items[index - startingIndex];
+      var item = _pages[startingIndex]!.items[index - startingIndex];
       return item;
     }
 

infinite_list/lib/src/item_tile.dart

@@ -11,7 +11,7 @@ import 'api/item.dart';
 class ItemTile extends StatelessWidget {
   final Item item;
 
-  ItemTile({@required this.item, Key key}) : super(key: key);
+  ItemTile({required this.item, Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -34,7 +34,7 @@ class ItemTile extends StatelessWidget {
 /// This is the widget responsible for building the "still loading" item
 /// in the list (represented with "..." and a crossed square).
 class LoadingItemTile extends StatelessWidget {
-  const LoadingItemTile({Key key}) : super(key: key);
+  const LoadingItemTile({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

infinite_list/pubspec.lock

@@ -7,56 +7,56 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0-nullsafety.1"
+    version: "2.5.0"
   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:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.2"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.2.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -73,42 +73,42 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10-nullsafety.1"
+    version: "0.12.10"
   meta:
     dependency: "direct main"
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.3"
+    version: "1.3.0"
   nested:
     dependency: transitive
     description:
       name: nested
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4"
+    version: "0.0.5-nullsafety.1"
   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: "direct dev"
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.2"
+    version: "1.10.0"
   provider:
     dependency: "direct main"
     description:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.3.2+3"
+    version: "5.0.0-nullsafety.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -120,56 +120,56 @@ 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"
   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 <2.11.0"
+  dart: ">=2.12.0-0.0 <3.0.0"
   flutter: ">=1.16.0"

infinite_list/pubspec.yaml

@@ -5,21 +5,21 @@ description: >
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.10.0 <3.0.0"
+  sdk: '>=2.12.0-0 <3.0.0'
 
 dependencies:
   flutter:
     sdk: flutter
 
-  cupertino_icons: ^1.0.0
-  meta: ^1.1.8
-  provider: ^4.0.0
+  cupertino_icons: ^1.0.2
+  meta: ^1.3.0
+  provider: ^5.0.0-nullsafety.3
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  pedantic: ^1.9.0
+  pedantic: ^1.10.0
 
 flutter:
   uses-material-design: true