Exposes ListTile.shape for CheckboxListTile and SwitchListTile (flutter#67419)

Author: AyushBherwani1998

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

@@ -272,6 +272,7 @@ class CheckboxListTile extends StatelessWidget {
     this.autofocus = false,
     this.contentPadding,
     this.tristate = false,
+    this.shape,
   }) : assert(tristate != null),
        assert(tristate || value != null),
        assert(isThreeLine != null),
@@ -380,6 +381,9 @@ class CheckboxListTile extends StatelessWidget {
   /// If tristate is false (the default), [value] must not be null.
   final bool tristate;
 
+  /// {@macro flutter.material.ListTile.shape}
+  final ShapeBorder? shape;
+
   void _handleValueChange() {
     assert(onChanged != null);
     switch (value) {
@@ -433,6 +437,7 @@ class CheckboxListTile extends StatelessWidget {
           selected: selected,
           autofocus: autofocus,
           contentPadding: contentPadding,
+          shape: shape,
         ),
       ),
     );

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

@@ -96,7 +96,9 @@ class ListTileTheme extends InheritedTheme {
   /// If true then [ListTile]s will have the vertically dense layout.
   final bool dense;
 
+  /// {@template flutter.material.ListTile.shape}
   /// If specified, [shape] defines the shape of the [ListTile]'s [InkWell] border.
+  /// {@endtemplate}
   final ShapeBorder? shape;
 
   /// If specified, [style] defines the font used for [ListTile] titles.

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

@@ -273,6 +273,7 @@ class SwitchListTile extends StatelessWidget {
     this.selected = false,
     this.autofocus = false,
     this.controlAffinity = ListTileControlAffinity.platform,
+    this.shape,
   }) : _switchListTileType = _SwitchListTileType.material,
        assert(value != null),
        assert(isThreeLine != null),
@@ -308,6 +309,7 @@ class SwitchListTile extends StatelessWidget {
     this.selected = false,
     this.autofocus = false,
     this.controlAffinity = ListTileControlAffinity.platform,
+    this.shape,
   }) : _switchListTileType = _SwitchListTileType.adaptive,
        assert(value != null),
        assert(isThreeLine != null),
@@ -435,6 +437,9 @@ class SwitchListTile extends StatelessWidget {
   /// By default, the value of `controlAffinity` is [ListTileControlAffinity.platform].
   final ListTileControlAffinity controlAffinity;
 
+  /// {@macro flutter.material.ListTile.shape}
+  final ShapeBorder? shape;
+
   @override
   Widget build(BuildContext context) {
     Widget control;
@@ -497,6 +502,7 @@ class SwitchListTile extends StatelessWidget {
           onTap: onChanged != null ? () { onChanged!(!value); } : null,
           selected: selected,
           autofocus: autofocus,
+          shape: shape,
         ),
       ),
     );

packages/flutter/test/material/checkbox_list_tile_test.dart

@@ -224,4 +224,21 @@ void main() {
     await tester.pumpAndSettle();
     expect(_value, false);
   });
+
+  testWidgets('CheckboxListTile respects shape', (WidgetTester tester) async {
+    const ShapeBorder shapeBorder = RoundedRectangleBorder(
+      borderRadius: BorderRadius.horizontal(right: Radius.circular(100))
+    );
+
+    await tester.pumpWidget(wrap(
+      child: const CheckboxListTile(
+        value: false,
+        onChanged: null,
+        title: Text('Title'),
+        shape: shapeBorder,
+      ),
+    ));
+
+    expect(tester.widget<InkWell>(find.byType(InkWell)).customBorder, shapeBorder);
+  });
 }

packages/flutter/test/material/switch_list_tile_test.dart

@@ -340,4 +340,23 @@ void main() {
     expect(listTile.leading.runtimeType, Icon);
     expect(listTile.trailing.runtimeType, Switch);
   });
+
+  testWidgets('SwitchListTile respects shape', (WidgetTester tester) async {
+    const ShapeBorder shapeBorder = RoundedRectangleBorder(
+      borderRadius: BorderRadius.horizontal(right: Radius.circular(100))
+    );
+
+    await tester.pumpWidget(const MaterialApp(
+      home: Material(
+        child: SwitchListTile(
+          value: true,
+          onChanged: null,
+          title: Text('Title'),
+          shape: shapeBorder,
+        ),
+      ),
+    ));
+
+    expect(tester.widget<InkWell>(find.byType(InkWell)).customBorder, shapeBorder);
+  });
 }