Add enabled property to CheckboxlistTile (#102314)

Author: maheshj01

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

@@ -127,6 +127,7 @@ class CheckboxListTile extends StatelessWidget {
     required this.onChanged,
     this.activeColor,
     this.checkColor,
+    this.enabled,
     this.tileColor,
     this.title,
     this.subtitle,
@@ -295,6 +296,13 @@ class CheckboxListTile extends StatelessWidget {
   ///  * [Feedback] for providing platform-specific feedback to certain actions.
   final bool? enableFeedback;
 
+  /// Whether the CheckboxListTile is interactive.
+  ///
+  /// If false, this list tile is styled with the disabled color from the
+  /// current [Theme] and the [ListTile.onTap] callback is
+  /// inoperative.
+  final bool? enabled;
+
   void _handleValueChange() {
     assert(onChanged != null);
     switch (value) {
@@ -314,7 +322,7 @@ class CheckboxListTile extends StatelessWidget {
   Widget build(BuildContext context) {
     final Widget control = Checkbox(
       value: value,
-      onChanged: onChanged,
+      onChanged: enabled ?? true ? onChanged : null ,
       activeColor: activeColor,
       checkColor: checkColor,
       materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
@@ -345,7 +353,7 @@ class CheckboxListTile extends StatelessWidget {
           trailing: trailing,
           isThreeLine: isThreeLine,
           dense: dense,
-          enabled: onChanged != null,
+          enabled: enabled ?? onChanged != null,
           onTap: onChanged != null ? _handleValueChange : null,
           selected: selected,
           autofocus: autofocus,

packages/flutter/test/material/checkbox_list_tile_test.dart

@@ -421,6 +421,47 @@ void main() {
     expect(tileNode.hasPrimaryFocus, isTrue);
   });
 
+    testWidgets('CheckboxListTile can be disabled', (WidgetTester tester) async {
+      bool? value = false;
+      bool enabled = true;
+
+      await tester.pumpWidget(
+        Material(
+          child: StatefulBuilder(
+            builder: (BuildContext context, StateSetter setState) {
+              return wrap(
+                child: CheckboxListTile(
+                  title: const Text('Title'),
+                  enabled: enabled,
+                  value: value,
+                  onChanged: (bool? v) {
+                    setState(() {
+                      value = v;
+                      enabled = !enabled;
+                    });
+                  },
+                ),
+              );
+            },
+          ),
+        ),
+      );
+
+      final Finder checkbox = find.byType(Checkbox);
+      // verify initial values
+      expect(tester.widget<Checkbox>(checkbox).value, false);
+      expect(enabled, true);
+
+      // Tap the checkbox to disable CheckboxListTile
+      await tester.tap(checkbox);
+      await tester.pumpAndSettle();
+      expect(tester.widget<Checkbox>(checkbox).value, true);
+      expect(enabled, false);
+      await tester.tap(checkbox);
+      await tester.pumpAndSettle();
+      expect(tester.widget<Checkbox>(checkbox).value, true);
+    });
+
   group('feedback', () {
     late FeedbackTester feedback;