Flutter 3.24 update, Add CarouselView examples to demo 3 (#2377)

This PR is to include `CarouselView` to M3 demo app.


https://github.com/user-attachments/assets/7db76c06-aa7e-4461-9baa-51fd5c4e6b38



## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] All existing and new tests are passing.

---------

Co-authored-by: Eric Windmill <ewindmill@google.com>

material_3_demo/lib/component_screen.dart

@@ -242,6 +242,7 @@ class Containment extends StatelessWidget {
     return const ComponentGroupDecoration(label: 'Containment', children: [
       BottomSheetSection(),
       Cards(),
+      Carousels(),
       Dialogs(),
       Dividers(),
       // TODO: Add Lists, https://github.com/flutter/flutter/issues/114006
@@ -2416,6 +2417,65 @@ class _SearchAnchorsState extends State<SearchAnchors> {
   }
 }
 
+class Carousels extends StatelessWidget {
+  const Carousels({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return ComponentDecoration(
+      label: 'Carousel',
+      tooltipMessage: 'Use CarouselView',
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          const Padding(
+            padding: EdgeInsets.only(left: 8.0),
+            child: Text('Uncontained Carousel'),
+          ),
+          ConstrainedBox(
+            constraints: const BoxConstraints.tightFor(height: 150),
+            child: CarouselView(
+              shape: RoundedRectangleBorder(
+                borderRadius: BorderRadius.circular(10),
+                side: BorderSide(color: Theme.of(context).colorScheme.outline),
+              ),
+              shrinkExtent: 100,
+              itemExtent: 180,
+              children: List<Widget>.generate(20, (index) {
+                return Center(
+                  child: Text('Item $index'),
+                );
+              }),
+            ),
+          ),
+          colDivider,
+          const Padding(
+            padding: EdgeInsets.only(left: 8.0),
+            child: Text('Uncontained Carousel with snapping effect'),
+          ),
+          ConstrainedBox(
+            constraints: const BoxConstraints.tightFor(height: 150),
+            child: CarouselView(
+              itemSnapping: true,
+              shape: RoundedRectangleBorder(
+                borderRadius: BorderRadius.circular(10),
+                side: BorderSide(color: Theme.of(context).colorScheme.outline),
+              ),
+              shrinkExtent: 100,
+              itemExtent: 180,
+              children: List<Widget>.generate(20, (index) {
+                return Center(
+                  child: Text('Item $index'),
+                );
+              }),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
 class ComponentDecoration extends StatefulWidget {
   const ComponentDecoration({
     super.key,

material_3_demo/test/component_screen_test.dart

@@ -10,7 +10,7 @@ import 'package:material_3_demo/main.dart';
 
 void main() {
   testWidgets('Default main page shows all M3 components', (tester) async {
-    widgetSetup(tester, 800, windowHeight: 7000);
+    widgetSetup(tester, 800, windowHeight: 7500);
     await tester.pumpWidget(const App());
 
     // Elements on the app bar
@@ -67,6 +67,9 @@ void main() {
     expect(find.widgetWithText(Cards, 'Filled'), findsOneWidget);
     expect(find.widgetWithText(Cards, 'Outlined'), findsOneWidget);
 
+    // Carousels
+    expect(find.byType(CarouselView), findsNWidgets(2));
+
     // Dialogs
     expect(find.widgetWithText(TextButton, 'Show dialog'), findsOneWidget);
     expect(find.widgetWithText(TextButton, 'Show full-screen dialog'),

tool/flutter_ci_script_beta.sh

@@ -34,9 +34,6 @@ declare -ar PROJECT_NAMES=(
     "experimental/federated_plugin/federated_plugin_platform_interface"
     "experimental/federated_plugin/federated_plugin_web"
     "experimental/federated_plugin/federated_plugin_windows"
-    # TODO: ewindmill to talk to team about removing.
-    # Depends on package context_menus, which breaks with Material3 by default.
-    # "experimental/linting_tool"
     "experimental/pedometer"
     "experimental/pedometer/example"
     "experimental/varfont_shader_puzzle"

tool/flutter_ci_script_master.sh

@@ -34,13 +34,11 @@ declare -ar PROJECT_NAMES=(
     "experimental/federated_plugin/federated_plugin_platform_interface"
     "experimental/federated_plugin/federated_plugin_web"
     "experimental/federated_plugin/federated_plugin_windows"
-    # TODO: ewindmill to talk to team about removing.
-    # Depends on package context_menus, which breaks with Material3 by default.
-    # "experimental/linting_tool"
     "experimental/pedometer"
     "experimental/pedometer/example"
     "experimental/varfont_shader_puzzle"
-    "experimental/web_dashboard"
+#    TODO ewindmill -- whereNotNull deprecated in dart:collection
+#    "experimental/web_dashboard"
     "flutter_maps_firestore"
     "form_app"
     "game_template"

tool/flutter_ci_script_stable.sh

@@ -34,9 +34,6 @@ declare -ar PROJECT_NAMES=(
     "experimental/federated_plugin/federated_plugin_platform_interface"
     "experimental/federated_plugin/federated_plugin_web"
     "experimental/federated_plugin/federated_plugin_windows"
-    # TODO: ewindmill to talk to team about removing.
-    # Depends on package context_menus, which breaks with Material3 by default.
-    # "experimental/linting_tool"
     "experimental/pedometer"
     "experimental/pedometer/example"
     "experimental/varfont_shader_puzzle"

tool/flutter_clean_packages

@@ -0,0 +1,80 @@
+#!/bin/bash
+
+set -e
+
+flutter doctor -v
+
+declare -ar PROJECT_NAMES=(
+    "add_to_app/android_view/flutter_module_using_plugin"
+    "add_to_app/books/flutter_module_books"
+    "add_to_app/fullscreen/flutter_module"
+    "add_to_app/multiple_flutters/multiple_flutters_module"
+    "add_to_app/plugin/flutter_module_using_plugin"
+    "add_to_app/prebuilt_module/flutter_module"
+    "ai_recipe_generation"
+    "analysis_defaults"
+    "android_splash_screen"
+    "animations"
+    "asset_transformation"
+    "background_isolate_channels"
+    "code_sharing/client"
+    "code_sharing/server"
+    "code_sharing/shared"
+    "context_menus"
+    "deeplink_store_example"
+    "desktop_photo_search/fluent_ui"
+    "desktop_photo_search/material"
+    "dynamic_theme"
+    "experimental/federated_plugin/federated_plugin"
+    "experimental/federated_plugin/federated_plugin/example"
+    "experimental/federated_plugin/federated_plugin_macos"
+    "experimental/federated_plugin/federated_plugin_platform_interface"
+    "experimental/federated_plugin/federated_plugin_web"
+    "experimental/federated_plugin/federated_plugin_windows"
+    "experimental/pedometer"
+    "experimental/pedometer/example"
+    "experimental/varfont_shader_puzzle"
+    "experimental/web_dashboard"
+    "flutter_maps_firestore"
+    "form_app"
+    "game_template"
+    "gemini_tasks"
+    "google_maps"
+    "infinite_list"
+    "ios_app_clip"
+    "isolate_example"
+    "material_3_demo"
+    "navigation_and_routing"
+    "place_tracker"
+    "platform_channels"
+    "platform_design"
+    "platform_view_swift"
+    "provider_counter"
+    "provider_shopper"
+    "simple_shader"
+    "simplistic_calculator"
+    "simplistic_editor"
+    "testing_app"
+    "veggieseasons"
+    "web_embedding/element_embedding_demo"
+    "web/_tool"
+    "web/samples_index"
+)
+
+echo "--- Running flutter clean and flutter pub get for each sample ---"
+
+for PROJECT_NAME in "${PROJECT_NAMES[@]}"
+    do
+      echo "== Cleaning '${PROJECT_NAME}' with Flutter clean =="
+      pushd "${PROJECT_NAME}"
+
+      # run `flutter clean` for project
+      flutter clean
+
+      # Grab packages.
+      flutter pub get
+
+      popd
+    done
+
+echo "--- Success ---"