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domesticmousedomesticmouse
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withOpacity => withAlpha (#2239)
## Pre-launch Checklist - [x] I read the [Effective Dart: Style] _recently_, and have followed its advice. - [x] I signed the [CLA]. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-devrel channel on [Discord]. <!-- Links --> [Effective Dart: Style]: https://dart.dev/guides/language/effective-dart/style [CLA]: https://cla.developers.google.com/ [Discord]: https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md
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‎animated-responsive-layout/codelab_rebuild.yaml‎

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Original file line numberDiff line numberDiff line change
@@ -377,7 +377,7 @@ steps:
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class _EmailWidgetState extends State<EmailWidget> {
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late final ColorScheme _colorScheme = Theme.of(context).colorScheme;
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late Color unselectedColor = Color.alphaBlend(
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_colorScheme.primary.withOpacity(0.08),
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_colorScheme.primary.withAlpha(20),
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_colorScheme.surface,
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);
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@@ -587,7 +587,7 @@ steps:
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return Container(
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height: 84,
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color: Color.alphaBlend(
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_colorScheme.primary.withOpacity(0.05),
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_colorScheme.primary.withAlpha(12),
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_colorScheme.surface,
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),
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child: Padding(
@@ -858,7 +858,7 @@ steps:
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class _FeedState extends State<Feed> {
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late final _colorScheme = Theme.of(context).colorScheme;
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late final _backgroundColor = Color.alphaBlend(
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_colorScheme.primary.withOpacity(0.14), _colorScheme.surface);
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_colorScheme.primary.withAlpha(36), _colorScheme.surface);
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@override
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Widget build(BuildContext context) {
@@ -925,7 +925,7 @@ steps:
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import 'widgets/email_list_view.dart';
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@@ -41,12 +42,20 @@ class _FeedState extends State<Feed> {
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late final _backgroundColor = Color.alphaBlend(
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_colorScheme.primary.withOpacity(0.14), _colorScheme.surface);
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_colorScheme.primary.withAlpha(36), _colorScheme.surface);
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+ int selectedIndex = 0;
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+
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void main() {
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@@ -43,44 +44,65 @@ class _FeedState extends State<Feed> {
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_colorScheme.primary.withOpacity(0.14), _colorScheme.surface);
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_colorScheme.primary.withAlpha(36), _colorScheme.surface);
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int selectedIndex = 0;
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+ bool wideScreen = false;
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+class _FeedState extends State<Feed> with SingleTickerProviderStateMixin {
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late final _colorScheme = Theme.of(context).colorScheme;
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late final _backgroundColor = Color.alphaBlend(
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_colorScheme.primary.withOpacity(0.14), _colorScheme.surface);
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_colorScheme.primary.withAlpha(36), _colorScheme.surface);
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+ late final _controller = AnimationController(
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+ duration: const Duration(milliseconds: 1000),
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+ reverseDuration: const Duration(milliseconds: 1250),

‎animated-responsive-layout/step_03/.gitignore‎

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*.swp
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.DS_Store
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.atom/
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.build/
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.buildlog/
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.history
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.svn/
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.swiftpm/
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migrate_working_dir/
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# IntelliJ related

‎animated-responsive-layout/step_03/android/gradle/wrapper/gradle-wrapper.properties‎

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@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.3-all.zip
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distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-all.zip

‎animated-responsive-layout/step_03/android/settings.gradle‎

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@@ -18,8 +18,8 @@ pluginManagement {
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plugins {
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id "dev.flutter.flutter-plugin-loader" version "1.0.0"
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id "com.android.application" version "7.3.0" apply false
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id "org.jetbrains.kotlin.android" version "1.7.10" apply false
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id "com.android.application" version "8.1.0" apply false
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id "org.jetbrains.kotlin.android" version "1.8.22" apply false
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}
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include ":app"

‎animated-responsive-layout/step_03/macos/Runner/AppDelegate.swift‎

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@@ -6,4 +6,8 @@ class AppDelegate: FlutterAppDelegate {
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override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
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return true
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}
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override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
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return true
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}
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}

‎animated-responsive-layout/step_04/.gitignore‎

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*.swp
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.DS_Store
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.atom/
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.build/
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.buildlog/
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.history
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.svn/
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.swiftpm/
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migrate_working_dir/
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# IntelliJ related

‎animated-responsive-layout/step_04/android/gradle/wrapper/gradle-wrapper.properties‎

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distributionPath=wrapper/dists
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.3-all.zip
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distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-all.zip

‎animated-responsive-layout/step_04/android/settings.gradle‎

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plugins {
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id "dev.flutter.flutter-plugin-loader" version "1.0.0"
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id "com.android.application" version "7.3.0" apply false
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id "org.jetbrains.kotlin.android" version "1.7.10" apply false
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id "com.android.application" version "8.1.0" apply false
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id "org.jetbrains.kotlin.android" version "1.8.22" apply false
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}
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include ":app"

‎animated-responsive-layout/step_04/lib/main.dart‎

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Original file line numberDiff line numberDiff line change
@@ -39,7 +39,7 @@ class Feed extends StatefulWidget {
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class _FeedState extends State<Feed> {
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late final _colorScheme = Theme.of(context).colorScheme;
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late final _backgroundColor = Color.alphaBlend(
42-
_colorScheme.primary.withOpacity(0.14), _colorScheme.surface);
42+
_colorScheme.primary.withAlpha(36), _colorScheme.surface);
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@override
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Widget build(BuildContext context) {

‎animated-responsive-layout/step_04/lib/widgets/email_widget.dart‎

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Original file line numberDiff line numberDiff line change
@@ -37,7 +37,7 @@ class EmailWidget extends StatefulWidget {
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class _EmailWidgetState extends State<EmailWidget> {
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late final ColorScheme _colorScheme = Theme.of(context).colorScheme;
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late Color unselectedColor = Color.alphaBlend(
40-
_colorScheme.primary.withOpacity(0.08),
40+
_colorScheme.primary.withAlpha(20),
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_colorScheme.surface,
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);
4343

@@ -247,7 +247,7 @@ class _EmailHeadlineState extends State<EmailHeadline> {
247247
return Container(
248248
height: 84,
249249
color: Color.alphaBlend(
250-
_colorScheme.primary.withOpacity(0.05),
250+
_colorScheme.primary.withAlpha(12),
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_colorScheme.surface,
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),
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child: Padding(

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