Deprecate the accentIconTheme ThemeData constructor parameter (#85144)

packages/flutter/lib/src/material/theme_data.dart

@@ -226,11 +226,15 @@ class ThemeData with Diagnosticable {
     Color? primaryColorDark,
     @Deprecated(
       'Use colorScheme.secondary instead. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
       'This feature was deprecated after v2.3.0-0.1.pre.',
     )
     Color? accentColor,
     @Deprecated(
       'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
       'This feature was deprecated after v2.3.0-0.1.pre.',
     )
     Brightness? accentColorBrightness,
@@ -282,12 +286,20 @@ class ThemeData with Diagnosticable {
     TextTheme? primaryTextTheme,
     @Deprecated(
       'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
       'This feature was deprecated after v2.3.0-0.1.pre.',
     )
     TextTheme? accentTextTheme,
     InputDecorationTheme? inputDecorationTheme,
     IconThemeData? iconTheme,
     IconThemeData? primaryIconTheme,
+    @Deprecated(
+      'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
+      'This feature was deprecated after v2.3.0-0.1.pre.',
+    )
     IconThemeData? accentIconTheme,
     SliderThemeData? sliderTheme,
     TabBarTheme? tabBarTheme,
@@ -568,11 +580,15 @@ class ThemeData with Diagnosticable {
     required this.shadowColor,
     @Deprecated(
       'Use colorScheme.secondary instead. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
       'This feature was deprecated after v2.3.0-0.1.pre.',
     )
     required this.accentColor,
     @Deprecated(
       'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
       'This feature was deprecated after v2.3.0-0.1.pre.',
     )
     required this.accentColorBrightness,
@@ -621,6 +637,8 @@ class ThemeData with Diagnosticable {
     required this.primaryTextTheme,
     @Deprecated(
       'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
       'This feature was deprecated after v2.3.0-0.1.pre.',
     )
     required this.accentTextTheme,
@@ -629,6 +647,8 @@ class ThemeData with Diagnosticable {
     required this.primaryIconTheme,
     @Deprecated(
       'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
       'This feature was deprecated after v2.3.0-0.1.pre.',
     )
     required this.accentIconTheme,
@@ -918,6 +938,8 @@ class ThemeData with Diagnosticable {
   /// can be used.
   @Deprecated(
     'Use colorScheme.secondary instead. '
+    'For more information, consult the migration guide at '
+    'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
     'This feature was deprecated after v2.3.0-0.1.pre.',
   )
   final Color accentColor;
@@ -932,6 +954,8 @@ class ThemeData with Diagnosticable {
   /// of any color can be found with [ThemeData.estimateBrightnessForColor].
   @Deprecated(
     'No longer used by the framework, please remove any reference to it. '
+    'For more information, consult the migration guide at '
+    'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
     'This feature was deprecated after v2.3.0-0.1.pre.',
   )
   final Brightness accentColorBrightness;
@@ -1076,6 +1100,8 @@ class ThemeData with Diagnosticable {
   /// ```
   @Deprecated(
     'No longer used by the framework, please remove any reference to it. '
+    'For more information, consult the migration guide at '
+    'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
     'This feature was deprecated after v2.3.0-0.1.pre.',
   )
   final TextTheme accentTextTheme;
@@ -1100,6 +1126,8 @@ class ThemeData with Diagnosticable {
   /// the theme's [colorScheme] [ColorScheme.secondary].
   @Deprecated(
     'No longer used by the framework, please remove any reference to it. '
+    'For more information, consult the migration guide at '
+    'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
     'This feature was deprecated after v2.3.0-0.1.pre.',
   )
   final IconThemeData accentIconTheme;
@@ -1330,7 +1358,19 @@ class ThemeData with Diagnosticable {
     Brightness? primaryColorBrightness,
     Color? primaryColorLight,
     Color? primaryColorDark,
+    @Deprecated(
+      'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
+      'This feature was deprecated after v2.3.0-0.1.pre.',
+    )
     Color? accentColor,
+    @Deprecated(
+      'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
+      'This feature was deprecated after v2.3.0-0.1.pre.',
+    )
     Brightness? accentColorBrightness,
     Color? canvasColor,
     Color? shadowColor,
@@ -1377,10 +1417,22 @@ class ThemeData with Diagnosticable {
     Color? toggleableActiveColor,
     TextTheme? textTheme,
     TextTheme? primaryTextTheme,
+    @Deprecated(
+      'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
+      'This feature was deprecated after v2.3.0-0.1.pre.',
+    )
     TextTheme? accentTextTheme,
     InputDecorationTheme? inputDecorationTheme,
     IconThemeData? iconTheme,
     IconThemeData? primaryIconTheme,
+    @Deprecated(
+      'No longer used by the framework, please remove any reference to it. '
+      'For more information, consult the migration guide at '
+      'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
+      'This feature was deprecated after v2.3.0-0.1.pre.',
+    )
     IconThemeData? accentIconTheme,
     SliderThemeData? sliderTheme,
     TabBarTheme? tabBarTheme,

packages/flutter/test/material/theme_data_test.dart

@@ -105,7 +105,6 @@ void main() {
 
     expect(themeData.textTheme.bodyText1!.fontFamily, equals('Ahem'));
     expect(themeData.primaryTextTheme.headline3!.fontFamily, equals('Ahem'));
-    expect(themeData.accentTextTheme.headline1!.fontFamily, equals('Ahem'));
 
     // Shouldn't override the specified style's family
     expect(themeData.textTheme.headline6!.fontFamily, equals('Roboto'));
@@ -405,8 +404,6 @@ void main() {
       primaryColorBrightness: otherTheme.primaryColorBrightness,
       primaryColorLight: otherTheme.primaryColorLight,
       primaryColorDark: otherTheme.primaryColorDark,
-      accentColor: otherTheme.accentColor,
-      accentColorBrightness: otherTheme.accentColorBrightness,
       canvasColor: otherTheme.canvasColor,
       shadowColor: otherTheme.shadowColor,
       scaffoldBackgroundColor: otherTheme.scaffoldBackgroundColor,
@@ -436,11 +433,9 @@ void main() {
       toggleableActiveColor: otherTheme.toggleableActiveColor,
       textTheme: otherTheme.textTheme,
       primaryTextTheme: otherTheme.primaryTextTheme,
-      accentTextTheme: otherTheme.accentTextTheme,
       inputDecorationTheme: otherTheme.inputDecorationTheme,
       iconTheme: otherTheme.iconTheme,
       primaryIconTheme: otherTheme.primaryIconTheme,
-      accentIconTheme: otherTheme.accentIconTheme,
       sliderTheme: otherTheme.sliderTheme,
       tabBarTheme: otherTheme.tabBarTheme,
       tooltipTheme: otherTheme.tooltipTheme,
@@ -478,8 +473,6 @@ void main() {
     expect(themeDataCopy.primaryColorBrightness, equals(otherTheme.primaryColorBrightness));
     expect(themeDataCopy.primaryColorLight, equals(otherTheme.primaryColorLight));
     expect(themeDataCopy.primaryColorDark, equals(otherTheme.primaryColorDark));
-    expect(themeDataCopy.accentColor, equals(otherTheme.accentColor));
-    expect(themeDataCopy.accentColorBrightness, equals(otherTheme.accentColorBrightness));
     expect(themeDataCopy.canvasColor, equals(otherTheme.canvasColor));
     expect(themeDataCopy.shadowColor, equals(otherTheme.shadowColor));
     expect(themeDataCopy.scaffoldBackgroundColor, equals(otherTheme.scaffoldBackgroundColor));
@@ -509,10 +502,8 @@ void main() {
     expect(themeDataCopy.indicatorColor, equals(otherTheme.indicatorColor));
     expect(themeDataCopy.hintColor, equals(otherTheme.hintColor));
     expect(themeDataCopy.errorColor, equals(otherTheme.errorColor));
-    expect(themeDataCopy.toggleableActiveColor, equals(otherTheme.accentColor));
     expect(themeDataCopy.textTheme, equals(otherTheme.textTheme));
     expect(themeDataCopy.primaryTextTheme, equals(otherTheme.primaryTextTheme));
-    expect(themeDataCopy.accentTextTheme, equals(otherTheme.accentTextTheme));
     expect(themeDataCopy.sliderTheme, equals(otherTheme.sliderTheme));
     expect(themeDataCopy.tabBarTheme, equals(otherTheme.tabBarTheme));
     expect(themeDataCopy.tooltipTheme, equals(otherTheme.tooltipTheme));