MaterialStateProperty Docs (#96532)

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

@@ -161,6 +161,25 @@ class Checkbox extends StatefulWidget {
   ///  * [MaterialState.hovered].
   ///  * [MaterialState.focused].
   ///  * [MaterialState.disabled].
+  ///
+  /// {@tool snippet}
+  /// This example resolves the [fillColor] based on the current [MaterialState]
+  /// of the [Checkbox], providing a different [Color] when it is
+  /// [MaterialState.disabled].
+  ///
+  /// ```dart
+  /// Checkbox(
+  ///   value: true,
+  ///   onChanged: (_){},
+  ///   fillColor: MaterialStateProperty.resolveWith<Color>((states) {
+  ///     if (states.contains(MaterialState.disabled)) {
+  ///       return Colors.orange.withOpacity(.32);
+  ///     }
+  ///     return Colors.orange;
+  ///   })
+  /// )
+  /// ```
+  /// {@end-tool}
   /// {@endtemplate}
   ///
   /// If null, then the value of [activeColor] is used in the selected

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

@@ -189,6 +189,26 @@ class Radio<T> extends StatefulWidget {
   ///  * [MaterialState.hovered].
   ///  * [MaterialState.focused].
   ///  * [MaterialState.disabled].
+  ///
+  /// {@tool snippet}
+  /// This example resolves the [fillColor] based on the current [MaterialState]
+  /// of the [Radio], providing a different [Color] when it is
+  /// [MaterialState.disabled].
+  ///
+  /// ```dart
+  /// Radio<int>(
+  ///   value: 1,
+  ///   groupValue: 1,
+  ///   onChanged: (_){},
+  ///   fillColor: MaterialStateProperty.resolveWith<Color>((states) {
+  ///     if (states.contains(MaterialState.disabled)) {
+  ///       return Colors.orange.withOpacity(.32);
+  ///     }
+  ///     return Colors.orange;
+  ///   })
+  /// )
+  /// ```
+  /// {@end-tool}
   /// {@endtemplate}
   ///
   /// If null, then the value of [activeColor] is used in the selected state. If

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

@@ -229,6 +229,25 @@ class Switch extends StatelessWidget {
   ///  * [MaterialState.hovered].
   ///  * [MaterialState.focused].
   ///  * [MaterialState.disabled].
+  ///
+  /// {@tool snippet}
+  /// This example resolves the [thumbColor] based on the current
+  /// [MaterialState] of the [Switch], providing a different [Color] when it is
+  /// [MaterialState.disabled].
+  ///
+  /// ```dart
+  /// Switch(
+  ///   value: true,
+  ///   onChanged: (_) => true,
+  ///   thumbColor: MaterialStateProperty.resolveWith<Color>((states) {
+  ///     if (states.contains(MaterialState.disabled)) {
+  ///       return Colors.orange.withOpacity(.48);
+  ///     }
+  ///     return Colors.orange;
+  ///   }),
+  /// )
+  /// ```
+  /// {@end-tool}
   /// {@endtemplate}
   ///
   /// If null, then the value of [activeColor] is used in the selected
@@ -251,6 +270,25 @@ class Switch extends StatelessWidget {
   ///  * [MaterialState.hovered].
   ///  * [MaterialState.focused].
   ///  * [MaterialState.disabled].
+  ///
+  /// {@tool snippet}
+  /// This example resolves the [trackColor] based on the current
+  /// [MaterialState] of the [Switch], providing a different [Color] when it is
+  /// [MaterialState.disabled].
+  ///
+  /// ```dart
+  /// Switch(
+  ///   value: true,
+  ///   onChanged: (_) => true,
+  ///   thumbColor: MaterialStateProperty.resolveWith<Color>((states) {
+  ///     if (states.contains(MaterialState.disabled)) {
+  ///       return Colors.orange.withOpacity(.48);
+  ///     }
+  ///     return Colors.orange;
+  ///   }),
+  /// )
+  /// ```
+  /// {@end-tool}
   /// {@endtemplate}
   ///
   /// If null, then the value of [activeTrackColor] is used in the selected