flutter · domesticmouse · Aug 5, 2026 · Aug 5, 2026 · Aug 5, 2026 · Aug 5, 2026
diff --git a/animated-responsive-layout/codelab_rebuild.yaml b/animated-responsive-layout/codelab_rebuild.yaml
@@ -253,23 +253,20 @@ steps:
               sender: user_2,
               recipients: [],
               subject: 'Dinner Club',
-              content:
-                  'I think it’s time for us to finally try that new noodle shop downtown that doesn’t use menus. Anyone else have other suggestions for dinner club this week? I’m so intrigued by this idea of a noodle restaurant where no one gets to order for themselves - could be fun, or terrible, or both :)\n\nSo',
+              content: 'I think it’s time for us to finally try that new noodle shop downtown that doesn’t use menus. Anyone else have other suggestions for dinner club this week? I’m so intrigued by this idea of a noodle restaurant where no one gets to order for themselves - could be fun, or terrible, or both :)\n\nSo',
             ),
             Email(
               sender: user_3,
               recipients: [],
               subject: 'This food show is made for you',
-              content:
-                  'Ping– you’d love this new food show I started watching. It’s produced by a Thai drummer who started getting recognized for the amazing vegan food she always brought to shows.',
+              content: 'Ping– you’d love this new food show I started watching. It’s produced by a Thai drummer who started getting recognized for the amazing vegan food she always brought to shows.',
               attachments: [const Attachment(url: 'assets/thumbnail_1.png')],
             ),
             Email(
               sender: user_4,
               recipients: [],
               subject: 'Volunteer EMT with me?',
-              content:
-                  'What do you think about training to be volunteer EMTs? We could do it together for moral support. Think about it??',
+              content: 'What do you think about training to be volunteer EMTs? We could do it together for moral support. Think about it??',
             ),
           ];
 
@@ -278,15 +275,13 @@ steps:
               sender: user_2,
               recipients: [user_3, user_2],
               subject: 'Dinner Club',
-              content:
-                  'I think it’s time for us to finally try that new noodle shop downtown that doesn’t use menus. Anyone else have other suggestions for dinner club this week? I’m so intrigued by this idea of a noodle restaurant where no one gets to order for themselves - could be fun, or terrible, or both :)\n\nSo',
+              content: 'I think it’s time for us to finally try that new noodle shop downtown that doesn’t use menus. Anyone else have other suggestions for dinner club this week? I’m so intrigued by this idea of a noodle restaurant where no one gets to order for themselves - could be fun, or terrible, or both :)\n\nSo',
             ),
             Email(
               sender: user_0,
               recipients: [user_3, user_2],
               subject: 'Dinner Club',
-              content:
-                  'Yes! I forgot about that place! I’m definitely up for taking a risk this week and handing control over to this mysterious noodle chef. I wonder what happens if you have allergies though? Lucky none of us have any otherwise I’d be a bit concerned.\n\nThis is going to be great. See you all at the usual time?',
+              content: 'Yes! I forgot about that place! I’m definitely up for taking a risk this week and handing control over to this mysterious noodle chef. I wonder what happens if you have allergies though? Lucky none of us have any otherwise I’d be a bit concerned.\n\nThis is going to be great. See you all at the usual time?',
             ),
           ];
       - name: mkdir lib/widgets
@@ -353,6 +348,7 @@ steps:
           // found in the LICENSE file.
 
           import 'package:flutter/material.dart';
+
           import '../models/models.dart';
           import 'star_button.dart';
 
@@ -533,9 +529,8 @@ steps:
                         if (widget.isPreview) ...[
                           Text(
                             widget.email.subject,
-                            style: const TextStyle(
-                              fontSize: 18,
-                            ).copyWith(color: _colorScheme.onSurface),
+                            style: const TextStyle(fontSize: 18)
+                                .copyWith(color: _colorScheme.onSurface),
                           ),
                         ],
                         if (widget.isThreaded) ...[
@@ -1295,6 +1290,7 @@ steps:
           // found in the LICENSE file.
 
           import 'package:flutter/material.dart';
+
           import '../animations.dart';
 
           class BottomBarTransition extends StatefulWidget {
@@ -1349,6 +1345,7 @@ steps:
           // found in the LICENSE file.
 
           import 'package:flutter/material.dart';
+
           import '../animations.dart';
 
           class NavRailTransition extends StatefulWidget {
@@ -1412,6 +1409,7 @@ steps:
           import 'dart:ui';
 
           import 'package:flutter/material.dart';
+
           import '../animations.dart';
 
           class AnimatedFloatingActionButton extends StatefulWidget {
@@ -1783,6 +1781,7 @@ steps:
           import 'dart:ui';
 
           import 'package:flutter/material.dart';
+
           import '../animations.dart';
 
           class ListDetailTransition extends StatefulWidget {

diff --git a/animated-responsive-layout/step_03/.gitignore b/animated-responsive-layout/step_03/.gitignore
@@ -43,3 +43,6 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+# Widget Preview related
+.widget_preview/
diff --git a/animated-responsive-layout/step_03/analysis_options.yaml b/animated-responsive-layout/step_03/analysis_options.yaml
@@ -1 +1,10 @@
+analyzer:
+  exclude:
+    - build/**
+    - android/**
+    - ios/**
+    - web/**
+    - windows/**
+    - macos/**
+    - linux/**
 include: ../../analysis_options.yaml
diff --git a/animated-responsive-layout/step_03/android/app/build.gradle.kts b/animated-responsive-layout/step_03/android/app/build.gradle.kts
@@ -1,6 +1,5 @@
 plugins {
     id("com.android.application")
-    id("kotlin-android")
     // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id("dev.flutter.flutter-gradle-plugin")
 }
@@ -15,17 +14,17 @@ android {
         targetCompatibility = JavaVersion.VERSION_17
     }
 
-    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_17.toString()
-    }
-
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId = "com.example.animated_responsive_layout"
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = flutter.minSdkVersion
         targetSdk = flutter.targetSdkVersion
+        // Uses the version code from pubspec.yaml. When using split APKs, 1000 * ABI_VERSION
+        // is added automatically by Flutter. (https://developer.android.com/studio/build/configure-apk-splits#configure-APK-versions)
+        // You can force using the value of versionCode by specifying the `-P force-version-code-ignoring-abi=true`
+        // flag during build.
         versionCode = flutter.versionCode
         versionName = flutter.versionName
     }
@@ -39,6 +38,12 @@ android {
     }
 }
 
+kotlin {
+    compilerOptions {
+        jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
+    }
+}
+
 flutter {
     source = "../.."
 }
diff --git a/animated-responsive-layout/step_03/android/gradle.properties b/animated-responsive-layout/step_03/android/gradle.properties
@@ -1,2 +1,6 @@
 org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
+# This newDsl flag was added by the Flutter template
+android.newDsl=false
+# This builtInKotlin flag was added by the Flutter template
+android.builtInKotlin=false
diff --git a/animated-responsive-layout/step_03/android/gradle/wrapper/gradle-wrapper.properties b/animated-responsive-layout/step_03/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-all.zip
diff --git a/animated-responsive-layout/step_03/android/settings.gradle.kts b/animated-responsive-layout/step_03/android/settings.gradle.kts
@@ -19,8 +19,8 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.11.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.2.20" apply false
+    id("com.android.application") version "9.1.0" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.0" apply false
 }
 
 include(":app")
diff --git a/animated-responsive-layout/step_03/ios/Runner.xcodeproj/project.pbxproj b/animated-responsive-layout/step_03/ios/Runner.xcodeproj/project.pbxproj
@@ -360,9 +360,10 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SUPPORTED_PLATFORMS = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
@@ -486,10 +487,11 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -537,9 +539,10 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SUPPORTED_PLATFORMS = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";

diff --git a/animated-responsive-layout/step_03/macos/Runner.xcodeproj/project.pbxproj b/animated-responsive-layout/step_03/macos/Runner.xcodeproj/project.pbxproj
@@ -471,7 +471,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -553,7 +553,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -603,7 +603,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;

diff --git a/animated-responsive-layout/step_03/pubspec.yaml b/animated-responsive-layout/step_03/pubspec.yaml
@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0+1
 
 environment:
-  sdk: ^3.12.0-0
+  sdk: ^3.13.0-0
 
 dependencies:
   flutter:

diff --git a/animated-responsive-layout/step_04/.gitignore b/animated-responsive-layout/step_04/.gitignore
@@ -43,3 +43,6 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+# Widget Preview related
+.widget_preview/
diff --git a/animated-responsive-layout/step_04/analysis_options.yaml b/animated-responsive-layout/step_04/analysis_options.yaml
@@ -1 +1,10 @@
+analyzer:
+  exclude:
+    - build/**
+    - android/**
+    - ios/**
+    - web/**
+    - windows/**
+    - macos/**
+    - linux/**
 include: ../../analysis_options.yaml
diff --git a/animated-responsive-layout/step_04/android/app/build.gradle.kts b/animated-responsive-layout/step_04/android/app/build.gradle.kts
@@ -1,6 +1,5 @@
 plugins {
     id("com.android.application")
-    id("kotlin-android")
     // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id("dev.flutter.flutter-gradle-plugin")
 }
@@ -15,17 +14,17 @@ android {
         targetCompatibility = JavaVersion.VERSION_17
     }
 
-    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_17.toString()
-    }
-
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId = "com.example.animated_responsive_layout"
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = flutter.minSdkVersion
         targetSdk = flutter.targetSdkVersion
+        // Uses the version code from pubspec.yaml. When using split APKs, 1000 * ABI_VERSION
+        // is added automatically by Flutter. (https://developer.android.com/studio/build/configure-apk-splits#configure-APK-versions)
+        // You can force using the value of versionCode by specifying the `-P force-version-code-ignoring-abi=true`
+        // flag during build.
         versionCode = flutter.versionCode
         versionName = flutter.versionName
     }
@@ -39,6 +38,12 @@ android {
     }
 }
 
+kotlin {
+    compilerOptions {
+        jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
+    }
+}
+
 flutter {
     source = "../.."
 }
diff --git a/animated-responsive-layout/step_04/android/gradle.properties b/animated-responsive-layout/step_04/android/gradle.properties
@@ -1,2 +1,6 @@
 org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
+# This newDsl flag was added by the Flutter template
+android.newDsl=false
+# This builtInKotlin flag was added by the Flutter template
+android.builtInKotlin=false
diff --git a/animated-responsive-layout/step_04/android/gradle/wrapper/gradle-wrapper.properties b/animated-responsive-layout/step_04/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-all.zip
diff --git a/animated-responsive-layout/step_04/android/settings.gradle.kts b/animated-responsive-layout/step_04/android/settings.gradle.kts
@@ -19,8 +19,8 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.11.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.2.20" apply false
+    id("com.android.application") version "9.1.0" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.0" apply false
 }
 
 include(":app")
diff --git a/animated-responsive-layout/step_04/ios/Runner.xcodeproj/project.pbxproj b/animated-responsive-layout/step_04/ios/Runner.xcodeproj/project.pbxproj
@@ -360,9 +360,10 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SUPPORTED_PLATFORMS = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
@@ -486,10 +487,11 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -537,9 +539,10 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SUPPORTED_PLATFORMS = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";