Update samples for Dart 3.0.0 (#1803)

platform_design/.metadata

@@ -4,8 +4,8 @@
 # This file should be version controlled.
 
 version:
-  revision: f732038a8cf4562ce38a1d7debb30209ae3da896
-  channel: beta
+  revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+  channel: stable
 
 project_type: app
 
@@ -13,17 +13,17 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
-      base_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: android
-      create_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
-      base_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: ios
-      create_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
-      base_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: web
-      create_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
-      base_revision: f732038a8cf4562ce38a1d7debb30209ae3da896
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
 
   # User provided section
 

platform_design/android/app/build.gradle

@@ -26,6 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
+    namespace "dev.flutter.platform_design"
     compileSdkVersion flutter.compileSdkVersion
     ndkVersion flutter.ndkVersion
 

platform_design/android/app/src/debug/AndroidManifest.xml

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="dev.flutter.platform_design">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.

platform_design/android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="dev.flutter.platform_design">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <application
         android:label="platform_design"
         android:name="${applicationName}"

platform_design/android/app/src/profile/AndroidManifest.xml

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="dev.flutter.platform_design">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.

platform_design/android/build.gradle

@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

platform_design/pubspec.yaml

@@ -3,7 +3,7 @@ description: A project showcasing a Flutter app following different platform IA
 version: 1.0.0+1
 
 environment:
-  sdk: ^3.0.0-0
+  sdk: ^3.0.0
 
 dependencies:
   english_words: ^4.0.0