Samples maintenance (flutter#435)

add_to_app/flutter_module/pubspec.lock

@@ -63,7 +63,7 @@ packages:
       name: espresso
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+4"
+    version: "0.0.1+5"
   file:
     dependency: transitive
     description:
@@ -167,7 +167,7 @@ packages:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.5"
+    version: "4.1.0"
   pub_semver:
     dependency: transitive
     description:
@@ -279,5 +279,5 @@ packages:
     source: hosted
     version: "3.6.1"
 sdks:
-  dart: ">=2.6.0 <3.0.0"
-  flutter: ">=1.12.1 <2.0.0"
+  dart: ">=2.7.0 <3.0.0"
+  flutter: ">=1.17.0 <2.0.0"

add_to_app/flutter_module_using_plugin/pubspec.lock

@@ -79,6 +79,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.12"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.1+1"
   matcher:
     dependency: transitive
     description:
@@ -93,6 +100,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.8"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4"
   path:
     dependency: transitive
     description:
@@ -120,7 +134,7 @@ packages:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.2.0"
+    version: "4.1.0"
   quiver:
     dependency: transitive
     description:
@@ -188,14 +202,14 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.4.2"
+    version: "5.4.5"
   url_launcher_macos:
     dependency: transitive
     description:
       name: url_launcher_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+4"
+    version: "0.0.1+5"
   url_launcher_platform_interface:
     dependency: transitive
     description:
@@ -209,7 +223,7 @@ packages:
       name: url_launcher_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.1+1"
+    version: "0.1.1+4"
   vector_math:
     dependency: transitive
     description:
@@ -225,5 +239,5 @@ packages:
     source: hosted
     version: "3.6.1"
 sdks:
-  dart: ">=2.6.0 <3.0.0"
-  flutter: ">=1.12.8 <2.0.0"
+  dart: ">=2.7.0 <3.0.0"
+  flutter: ">=1.17.0 <2.0.0"

add_to_app/flutter_module_using_plugin/pubspec.yaml

@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  provider: ^3.1.0
+  provider: ^4.1.0
   url_launcher: ^5.2.5
 
 dev_dependencies:

animations/analysis_options.yaml

@@ -1,4 +1,4 @@
-include: package:pedantic/analysis_options.1.8.0.yaml
+include: package:pedantic/analysis_options.1.9.0.yaml
 
 analyzer:
   strong-mode:

animations/lib/main.dart

@@ -128,6 +128,7 @@ final allRoutes = <String, WidgetBuilder>{
 };
 
 class AnimationSamples extends StatelessWidget {
+  @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Animation Samples',
@@ -141,6 +142,7 @@ class AnimationSamples extends StatelessWidget {
 }
 
 class HomePage extends StatelessWidget {
+  @override
   Widget build(BuildContext context) {
     final headerStyle = Theme.of(context).textTheme.headline6;
     return Scaffold(
@@ -164,6 +166,7 @@ class DemoTile extends StatelessWidget {
 
   DemoTile(this.demo);
 
+  @override
   Widget build(BuildContext context) {
     return ListTile(
       title: Text(demo.name),

animations/lib/src/basics/01_animated_container.dart

@@ -13,6 +13,7 @@ Color generateColor() => Color(0xFFFFFFFF & Random().nextInt(0xFFFFFFFF));
 class AnimatedContainerDemo extends StatefulWidget {
   static String routeName = '/basics/01_animated_container';
 
+  @override
   _AnimatedContainerDemoState createState() => _AnimatedContainerDemoState();
 }
 
@@ -21,6 +22,7 @@ class _AnimatedContainerDemoState extends State<AnimatedContainerDemo> {
   double borderRadius;
   double margin;
 
+  @override
   void initState() {
     super.initState();
     color = Colors.deepPurple;
@@ -36,6 +38,7 @@ class _AnimatedContainerDemoState extends State<AnimatedContainerDemo> {
     });
   }
 
+  @override
   Widget build(BuildContext context) {
     // This widget is built using an AnimatedContainer, one of the easiest to use
     // animated Widgets. Whenever the AnimatedContainer's properties, such as decoration,

animations/lib/src/basics/02_page_route_builder.dart

@@ -7,6 +7,7 @@ import 'package:flutter/material.dart';
 class PageRouteBuilderDemo extends StatelessWidget {
   static const String routeName = '/basics/page_route_builder';
 
+  @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(),
@@ -38,6 +39,7 @@ Route _createRoute() {
 }
 
 class _Page2 extends StatelessWidget {
+  @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(),

animations/lib/src/basics/04_tweens.dart

@@ -7,6 +7,7 @@ import 'package:flutter/material.dart';
 class TweenDemo extends StatefulWidget {
   static const String routeName = '/basics/tweens';
 
+  @override
   _TweenDemoState createState() => _TweenDemoState();
 }
 
@@ -17,6 +18,7 @@ class _TweenDemoState extends State<TweenDemo>
   AnimationController controller;
   Animation<double> animation;
 
+  @override
   void initState() {
     super.initState();
 
@@ -28,11 +30,13 @@ class _TweenDemoState extends State<TweenDemo>
     animation = Tween(begin: 0.0, end: accountBalance).animate(controller);
   }
 
+  @override
   void dispose() {
     controller.dispose();
     super.dispose();
   }
 
+  @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(),

animations/lib/src/basics/05_animated_builder.dart

@@ -7,6 +7,7 @@ import 'package:flutter/material.dart';
 class AnimatedBuilderDemo extends StatefulWidget {
   static const String routeName = '/basics/animated_builder';
 
+  @override
   _AnimatedBuilderDemoState createState() => _AnimatedBuilderDemoState();
 }
 
@@ -18,6 +19,7 @@ class _AnimatedBuilderDemoState extends State<AnimatedBuilderDemo>
   AnimationController controller;
   Animation<Color> animation;
 
+  @override
   void initState() {
     super.initState();
 
@@ -26,11 +28,13 @@ class _AnimatedBuilderDemoState extends State<AnimatedBuilderDemo>
         ColorTween(begin: beginColor, end: endColor).animate(controller);
   }
 
+  @override
   void dispose() {
     controller.dispose();
     super.dispose();
   }
 
+  @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(),

animations/lib/src/basics/06_custom_tween.dart

@@ -8,6 +8,7 @@ class TypewriterTween extends Tween<String> {
   TypewriterTween({String begin = '', String end})
       : super(begin: begin, end: end);
 
+  @override
   String lerp(double t) {
     var cutoff = (end.length * t).round();
     return end.substring(0, cutoff);
@@ -17,6 +18,7 @@ class TypewriterTween extends Tween<String> {
 class CustomTweenDemo extends StatefulWidget {
   static const String routeName = '/basics/custom_tweens';
 
+  @override
   _CustomTweenDemoState createState() => _CustomTweenDemoState();
 }
 
@@ -27,18 +29,21 @@ class _CustomTweenDemoState extends State<CustomTweenDemo>
   AnimationController controller;
   Animation<String> animation;
 
+  @override
   void initState() {
     super.initState();
 
     controller = AnimationController(vsync: this, duration: _duration);
     animation = TypewriterTween(end: message).animate(controller);
   }
 
+  @override
   void dispose() {
     controller.dispose();
     super.dispose();
   }
 
+  @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(

animations/lib/src/basics/07_tween_sequence.dart

@@ -27,6 +27,7 @@ class _TweenSequenceDemoState extends State<TweenSequenceDemo>
     Colors.purple,
   ];
 
+  @override
   void initState() {
     super.initState();
 
@@ -49,6 +50,7 @@ class _TweenSequenceDemoState extends State<TweenSequenceDemo>
     animation = TweenSequence<Color>(sequenceItems).animate(controller);
   }
 
+  @override
   void dispose() {
     controller.dispose();
     super.dispose();

animations/lib/src/misc/animated_list.dart

@@ -8,6 +8,7 @@ import 'package:flutter/widgets.dart';
 class AnimatedListDemo extends StatefulWidget {
   static String routeName = '/misc/animated_list';
 
+  @override
   _AnimatedListDemoState createState() => _AnimatedListDemoState();
 }
 
@@ -17,9 +18,9 @@ class _AnimatedListDemoState extends State<AnimatedListDemo> {
 
   void addUser() {
     setState(() {
-      int index = listData.length;
+      var index = listData.length;
       listData.add(
-        UserModel(firstName: "New", lastName: "Person"),
+        UserModel(firstName: 'New', lastName: 'Person'),
       );
       _listKey.currentState
           .insertItem(index, duration: Duration(milliseconds: 300));
@@ -96,23 +97,23 @@ class UserModel {
 
 List<UserModel> initialListData = [
   UserModel(
-    firstName: "Govind",
-    lastName: "Dixit",
+    firstName: 'Govind',
+    lastName: 'Dixit',
   ),
   UserModel(
-    firstName: "Greta",
-    lastName: "Stoll",
+    firstName: 'Greta',
+    lastName: 'Stoll',
   ),
   UserModel(
-    firstName: "Monty",
-    lastName: "Carlo",
+    firstName: 'Monty',
+    lastName: 'Carlo',
   ),
   UserModel(
-    firstName: "Petey",
-    lastName: "Cruiser",
+    firstName: 'Petey',
+    lastName: 'Cruiser',
   ),
   UserModel(
-    firstName: "Barry",
-    lastName: "Cade",
+    firstName: 'Barry',
+    lastName: 'Cade',
   ),
 ];

animations/lib/src/misc/animated_positioned.dart

@@ -9,6 +9,7 @@ import 'package:flutter/material.dart';
 class AnimatedPositionedDemo extends StatefulWidget {
   static String routeName = '/basics/09_animated_positioned';
 
+  @override
   _AnimatedPositionedDemoState createState() => _AnimatedPositionedDemoState();
 }
 
@@ -20,6 +21,7 @@ class _AnimatedPositionedDemoState extends State<AnimatedPositionedDemo> {
 
   double generateLeftPosition(double left) => Random().nextDouble() * left;
 
+  @override
   void initState() {
     super.initState();
     topPosition = generateTopPosition(30);
@@ -33,6 +35,7 @@ class _AnimatedPositionedDemoState extends State<AnimatedPositionedDemo> {
     });
   }
 
+  @override
   Widget build(BuildContext context) {
     final size = MediaQuery.of(context).size;
     final appBar = AppBar();
@@ -60,7 +63,7 @@ class _AnimatedPositionedDemoState extends State<AnimatedPositionedDemo> {
                     width: 150,
                     height: 50,
                     child: Text(
-                      "Click Me",
+                      'Click Me',
                       style: TextStyle(
                         color:
                             Theme.of(context).buttonTheme.colorScheme.onPrimary,