[RadioListTile] Adds shape, tileColor and selectedTileColor to RadioListTile (#69399)

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

@@ -320,7 +320,9 @@ class RadioListTile<T> extends StatelessWidget {
     this.controlAffinity = ListTileControlAffinity.platform,
     this.autofocus = false,
     this.contentPadding,
-
+    this.shape,
+    this.tileColor,
+    this.selectedTileColor,
   }) : assert(toggleable != null),
        assert(isThreeLine != null),
        assert(!isThreeLine || subtitle != null),
@@ -483,6 +485,16 @@ class RadioListTile<T> extends StatelessWidget {
   /// To control this value, set [value] and [groupValue] appropriately.
   bool get checked => value == groupValue;
 
+  /// If specified, [shape] defines the shape of the [RadioListTile]'s [InkWell] border.
+  final ShapeBorder? shape;
+
+  /// If specified, defines the background color for `RadioListTile` when
+  /// [RadioListTile.selected] is false.
+  final Color? tileColor;
+
+  /// If non-null, defines the background color when [RadioListTile.selected] is true.
+  final Color? selectedTileColor;
+
   @override
   Widget build(BuildContext context) {
     final Widget control = Radio<T>(
@@ -517,6 +529,9 @@ class RadioListTile<T> extends StatelessWidget {
           isThreeLine: isThreeLine,
           dense: dense,
           enabled: onChanged != null,
+          shape: shape,
+          tileColor: tileColor,
+          selectedTileColor: selectedTileColor,
           onTap: onChanged != null ? () {
             if (toggleable && checked) {
               onChanged!(null);

packages/flutter/test/material/radio_list_tile_test.dart

@@ -646,4 +646,67 @@ void main() {
     expect(paddingRect.left, radioRect.left - 8); //left padding
     expect(paddingRect.right, titleRect.right + 15); //right padding
   });
+
+  testWidgets('RadioListTile respects shape', (WidgetTester tester) async {
+    const ShapeBorder shapeBorder = RoundedRectangleBorder(
+      borderRadius: BorderRadius.horizontal(right: Radius.circular(100)),
+    );
+
+    await tester.pumpWidget(const MaterialApp(
+      home: Material(
+        child: RadioListTile<bool>(
+          value: true,
+          groupValue: true,
+          onChanged: null,
+          title: Text('Title'),
+          shape: shapeBorder,
+        ),
+      ),
+    ));
+
+    expect(tester.widget<InkWell>(find.byType(InkWell)).customBorder, shapeBorder);
+  });
+
+  testWidgets('RadioListTile respects tileColor', (WidgetTester tester) async {
+    const Color tileColor = Colors.red;
+
+    await tester.pumpWidget(
+      wrap(
+        child: const Center(
+          child: RadioListTile<bool>(
+            value: false,
+            groupValue: true,
+            onChanged: null,
+            title: Text('Title'),
+            tileColor: tileColor,
+          ),
+        ),
+      ),
+    );
+
+    final ColoredBox coloredBox = tester.firstWidget(find.byType(ColoredBox));
+    expect(coloredBox.color, tileColor);
+  });
+
+  testWidgets('RadioListTile respects selectedTileColor', (WidgetTester tester) async {
+    const Color selectedTileColor = Colors.black;
+
+    await tester.pumpWidget(
+      wrap(
+        child: const Center(
+          child: RadioListTile<bool>(
+            value: false,
+            groupValue: true,
+            onChanged: null,
+            title: Text('Title'),
+            selected: true,
+            selectedTileColor: selectedTileColor,
+          ),
+        ),
+      ),
+    );
+
+    final ColoredBox coloredBox = tester.firstWidget(find.byType(ColoredBox));
+    expect(coloredBox.color, equals(selectedTileColor));
+  });
 }