InkWell.overlayColor is now resolved against MaterialState.pressed (#96435)

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

@@ -483,11 +483,12 @@ class InkResponse extends StatelessWidget {
   /// Defines the ink response focus, hover, and splash colors.
   ///
   /// This default null property can be used as an alternative to
-  /// [focusColor], [hoverColor], and [splashColor]. If non-null,
-  /// it is resolved against one of [MaterialState.focused],
-  /// [MaterialState.hovered], and [MaterialState.pressed]. It's
-  /// convenient to use when the parent widget can pass along its own
-  /// MaterialStateProperty value for the overlay color.
+  /// [focusColor], [hoverColor], [highlightColor], and
+  /// [splashColor]. If non-null, it is resolved against one of
+  /// [MaterialState.focused], [MaterialState.hovered], and
+  /// [MaterialState.pressed]. It's convenient to use when the parent
+  /// widget can pass along its own MaterialStateProperty value for
+  /// the overlay color.
   ///
   /// [MaterialState.pressed] triggers a ripple (an ink splash), per
   /// the current Material Design spec. The [overlayColor] doesn't map
@@ -799,19 +800,21 @@ class _InkResponseState extends State<_InkResponseStateWidget>
   bool get wantKeepAlive => highlightsExist || (_splashes != null && _splashes!.isNotEmpty);
 
   Color getHighlightColorForType(_HighlightType type) {
+    const Set<MaterialState> pressed = <MaterialState>{MaterialState.pressed};
     const Set<MaterialState> focused = <MaterialState>{MaterialState.focused};
     const Set<MaterialState> hovered = <MaterialState>{MaterialState.hovered};
 
+    final ThemeData theme = Theme.of(context);
     switch (type) {
       // The pressed state triggers a ripple (ink splash), per the current
       // Material Design spec. A separate highlight is no longer used.
       // See https://material.io/design/interaction/states.html#pressed
       case _HighlightType.pressed:
-        return widget.highlightColor ?? Theme.of(context).highlightColor;
+        return widget.overlayColor?.resolve(pressed) ?? widget.highlightColor ?? theme.highlightColor;
       case _HighlightType.focus:
-        return widget.overlayColor?.resolve(focused) ?? widget.focusColor ?? Theme.of(context).focusColor;
+        return widget.overlayColor?.resolve(focused) ?? widget.focusColor ?? theme.focusColor;
       case _HighlightType.hover:
-        return widget.overlayColor?.resolve(hovered) ?? widget.hoverColor ?? Theme.of(context).hoverColor;
+        return widget.overlayColor?.resolve(hovered) ?? widget.hoverColor ?? theme.hoverColor;
     }
   }
 

packages/flutter/test/material/ink_well_test.dart

@@ -292,6 +292,40 @@ void main() {
     );
   });
 
+  testWidgets('ink well changes color on pressed with overlayColor', (WidgetTester tester) async {
+    const Color pressedColor = Color(0xffdd00ff);
+
+    await tester.pumpWidget(Material(
+      child: Directionality(
+        textDirection: TextDirection.ltr,
+        child: Container(
+          alignment: Alignment.topLeft,
+          child: SizedBox(
+            width: 100,
+            height: 100,
+            child: InkWell(
+              splashFactory: NoSplash.splashFactory,
+              overlayColor: MaterialStateProperty.resolveWith<Color>((Set<MaterialState> states) {
+                if (states.contains(MaterialState.pressed)) {
+                  return pressedColor;
+                }
+                return const Color(0xffbadbad); // Shouldn't happen.
+              }),
+              onTap: () { },
+            ),
+          ),
+        ),
+      ),
+    ));
+    await tester.pumpAndSettle();
+    final TestGesture gesture = await tester.startGesture(tester.getRect(find.byType(InkWell)).center);
+    final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures');
+    expect(inkFeatures, paints..rect(rect: const Rect.fromLTRB(0, 0, 100, 100), color: pressedColor.withAlpha(0)));
+    await tester.pumpAndSettle(); // Let the press highlight animation finish.
+    expect(inkFeatures, paints..rect(rect: const Rect.fromLTRB(0, 0, 100, 100), color: pressedColor));
+    await gesture.up();
+  });
+
   testWidgets('ink response splashColor matches splashColor parameter', (WidgetTester tester) async {
     FocusManager.instance.highlightStrategy = FocusHighlightStrategy.alwaysTouch;
     final FocusNode focusNode = FocusNode(debugLabel: 'Ink Focus');