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Remove deprecated androidOverscrollIndicator from ScrollBehaviors (#133181)

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Kate Lovett 2023-08-25 15:13:42 -05:00 committed by GitHub
parent 40af7db6bb
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7 changed files with 32 additions and 218 deletions
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44
packages/flutter/lib/src/material/app.dart
View file

@ -785,35 +785,26 @@ class MaterialApp extends StatefulWidget {
/// discoverable, so consider adding a Scrollbar in these cases, either directly
/// or through the [buildScrollbar] method.
///
/// [MaterialScrollBehavior.androidOverscrollIndicator] specifies the
/// overscroll indicator that is used on [TargetPlatform.android]. When null,
/// [ThemeData.androidOverscrollIndicator] is used. If also null, the default
/// overscroll indicator is the [GlowingOverscrollIndicator]. These properties
/// are deprecated. In order to use the [StretchingOverscrollIndicator], use
/// the [ThemeData.useMaterial3] flag, or override
/// [ScrollBehavior.buildOverscrollIndicator].
/// [ThemeData.useMaterial3] specifies the
/// overscroll indicator that is used on [TargetPlatform.android], which
/// defaults to true, resulting in a [StretchingOverscrollIndicator]. Setting
/// [ThemeData.useMaterial3] to false will instead use a
/// [GlowingOverscrollIndicator].
///
/// See also:
///
/// * [ScrollBehavior], the default scrolling behavior extended by this class.
class MaterialScrollBehavior extends ScrollBehavior {
/// Creates a MaterialScrollBehavior that decorates [Scrollable]s with
/// [GlowingOverscrollIndicator]s and [Scrollbar]s based on the current
/// [StretchingOverscrollIndicator]s and [Scrollbar]s based on the current
/// platform and provided [ScrollableDetails].
///
/// [MaterialScrollBehavior.androidOverscrollIndicator] specifies the
/// overscroll indicator that is used on [TargetPlatform.android]. When null,
/// [ThemeData.androidOverscrollIndicator] is used. If also null, the default
/// overscroll indicator is the [GlowingOverscrollIndicator].
const MaterialScrollBehavior({
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
super.androidOverscrollIndicator,
}) : _androidOverscrollIndicator = androidOverscrollIndicator;
final AndroidOverscrollIndicator? _androidOverscrollIndicator;
/// [ThemeData.useMaterial3] specifies the
/// overscroll indicator that is used on [TargetPlatform.android], which
/// defaults to true, resulting in a [StretchingOverscrollIndicator]. Setting
/// [ThemeData.useMaterial3] to false will instead use a
/// [GlowingOverscrollIndicator].
const MaterialScrollBehavior();
@override
TargetPlatform getPlatform(BuildContext context) => Theme.of(context).platform;
@ -847,14 +838,9 @@ class MaterialScrollBehavior extends ScrollBehavior {
Widget buildOverscrollIndicator(BuildContext context, Widget child, ScrollableDetails details) {
// When modifying this function, consider modifying the implementation in
// the base class ScrollBehavior as well.
late final AndroidOverscrollIndicator indicator;
if (Theme.of(context).useMaterial3) {
indicator = AndroidOverscrollIndicator.stretch;
} else {
indicator = _androidOverscrollIndicator
?? Theme.of(context).androidOverscrollIndicator
?? androidOverscrollIndicator;
}
final AndroidOverscrollIndicator indicator = Theme.of(context).useMaterial3
? AndroidOverscrollIndicator.stretch
: AndroidOverscrollIndicator.glow;
switch (getPlatform(context)) {
case TargetPlatform.iOS:
case TargetPlatform.linux:

42
packages/flutter/lib/src/material/theme_data.dart
View file

@ -335,11 +335,6 @@ class ThemeData with Diagnosticable {
ToggleButtonsThemeData? toggleButtonsTheme,
TooltipThemeData? tooltipTheme,
// DEPRECATED (newest deprecations at the bottom)
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
AndroidOverscrollIndicator? androidOverscrollIndicator,
@Deprecated(
'No longer used by the framework, please remove any reference to it. '
'For more information, consult the migration guide at '
@ -636,7 +631,6 @@ class ThemeData with Diagnosticable {
toggleButtonsTheme: toggleButtonsTheme,
tooltipTheme: tooltipTheme,
// DEPRECATED (newest deprecations at the bottom)
androidOverscrollIndicator: androidOverscrollIndicator,
toggleableActiveColor: toggleableActiveColor,
selectedRowColor: selectedRowColor,
errorColor: errorColor,
@ -747,11 +741,6 @@ class ThemeData with Diagnosticable {
required this.toggleButtonsTheme,
required this.tooltipTheme,
// DEPRECATED (newest deprecations at the bottom)
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
this.androidOverscrollIndicator,
@Deprecated(
'No longer used by the framework, please remove any reference to it. '
'For more information, consult the migration guide at '
@ -1449,27 +1438,6 @@ class ThemeData with Diagnosticable {
// DEPRECATED (newest deprecations at the bottom)
/// Specifies which overscroll indicator to use on [TargetPlatform.android].
///
/// When null, the default value of
/// [MaterialScrollBehavior.androidOverscrollIndicator] is
/// [AndroidOverscrollIndicator.glow].
///
/// This property is deprecated. Use the [useMaterial3] flag instead, or
/// override [ScrollBehavior.buildOverscrollIndicator].
///
/// See also:
///
/// * [StretchingOverscrollIndicator], a Material Design edge effect
/// that transforms the contents of a scrollable when overscrolled.
/// * [GlowingOverscrollIndicator], an edge effect that paints a glow
/// over the contents of a scrollable when overscrolled.
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
final AndroidOverscrollIndicator? androidOverscrollIndicator;
/// Obsolete property that was used for input validation errors, e.g. in
/// [TextField] fields. Use [ColorScheme.error] instead.
@Deprecated(
@ -1604,11 +1572,6 @@ class ThemeData with Diagnosticable {
ToggleButtonsThemeData? toggleButtonsTheme,
TooltipThemeData? tooltipTheme,
// DEPRECATED (newest deprecations at the bottom)
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
AndroidOverscrollIndicator? androidOverscrollIndicator,
@Deprecated(
'No longer used by the framework, please remove any reference to it. '
'For more information, consult the migration guide at '
@ -1738,7 +1701,6 @@ class ThemeData with Diagnosticable {
toggleButtonsTheme: toggleButtonsTheme ?? this.toggleButtonsTheme,
tooltipTheme: tooltipTheme ?? this.tooltipTheme,
// DEPRECATED (newest deprecations at the bottom)
androidOverscrollIndicator: androidOverscrollIndicator ?? this.androidOverscrollIndicator,
toggleableActiveColor: toggleableActiveColor ?? _toggleableActiveColor,
selectedRowColor: selectedRowColor ?? _selectedRowColor,
errorColor: errorColor ?? _errorColor,
@ -1932,7 +1894,6 @@ class ThemeData with Diagnosticable {
toggleButtonsTheme: ToggleButtonsThemeData.lerp(a.toggleButtonsTheme, b.toggleButtonsTheme, t)!,
tooltipTheme: TooltipThemeData.lerp(a.tooltipTheme, b.tooltipTheme, t)!,
// DEPRECATED (newest deprecations at the bottom)
androidOverscrollIndicator:t < 0.5 ? a.androidOverscrollIndicator : b.androidOverscrollIndicator,
toggleableActiveColor: Color.lerp(a.toggleableActiveColor, b.toggleableActiveColor, t),
selectedRowColor: Color.lerp(a.selectedRowColor, b.selectedRowColor, t),
errorColor: Color.lerp(a.errorColor, b.errorColor, t),
@ -2038,7 +1999,6 @@ class ThemeData with Diagnosticable {
other.toggleButtonsTheme == toggleButtonsTheme &&
other.tooltipTheme == tooltipTheme &&
// DEPRECATED (newest deprecations at the bottom)
other.androidOverscrollIndicator == androidOverscrollIndicator &&
other.toggleableActiveColor == toggleableActiveColor &&
other.selectedRowColor == selectedRowColor &&
other.errorColor == errorColor &&
@ -2141,7 +2101,6 @@ class ThemeData with Diagnosticable {
toggleButtonsTheme,
tooltipTheme,
// DEPRECATED (newest deprecations at the bottom)
androidOverscrollIndicator,
toggleableActiveColor,
selectedRowColor,
errorColor,
@ -2246,7 +2205,6 @@ class ThemeData with Diagnosticable {
properties.add(DiagnosticsProperty<ToggleButtonsThemeData>('toggleButtonsTheme', toggleButtonsTheme, level: DiagnosticLevel.debug));
properties.add(DiagnosticsProperty<TooltipThemeData>('tooltipTheme', tooltipTheme, level: DiagnosticLevel.debug));
// DEPRECATED (newest deprecations at the bottom)
properties.add(EnumProperty<AndroidOverscrollIndicator>('androidOverscrollIndicator', androidOverscrollIndicator, defaultValue: null, level: DiagnosticLevel.debug));
properties.add(ColorProperty('toggleableActiveColor', toggleableActiveColor, defaultValue: defaultData.toggleableActiveColor, level: DiagnosticLevel.debug));
properties.add(ColorProperty('selectedRowColor', selectedRowColor, defaultValue: defaultData.selectedRowColor, level: DiagnosticLevel.debug));
properties.add(ColorProperty('errorColor', errorColor, defaultValue: defaultData.errorColor, level: DiagnosticLevel.debug));

22
packages/flutter/lib/src/widgets/overscroll_indicator.dart
View file

@ -613,19 +613,15 @@ enum _StretchDirection {
/// To prevent the indicator from showing the indication, call
/// [OverscrollIndicatorNotification.disallowIndicator] on the notification.
///
/// Created by [ScrollBehavior.buildOverscrollIndicator] on platforms
/// Created by [MaterialScrollBehavior.buildOverscrollIndicator] on platforms
/// (e.g., Android) that commonly use this type of overscroll indication when
/// [ScrollBehavior.androidOverscrollIndicator] is
/// [AndroidOverscrollIndicator.stretch]. Otherwise, the default
/// [GlowingOverscrollIndicator] is applied.
/// [ScrollBehavior.androidOverscrollIndicator] is deprecated, use
/// [ThemeData.useMaterial3], or override
/// [ScrollBehavior.buildOverscrollIndicator] to choose the desired indicator.
/// [ThemeData.useMaterial3] is true. Otherwise, when [ThemeData.useMaterial3]
/// is false, a [GlowingOverscrollIndicator] is used instead.=
///
/// See also:
///
/// * [OverscrollIndicatorNotification], which can be used to prevent the stretch
/// effect from being applied at all.
/// * [OverscrollIndicatorNotification], which can be used to prevent the
/// stretch effect from being applied at all.
/// * [NotificationListener], to listen for the
/// [OverscrollIndicatorNotification].
/// * [GlowingOverscrollIndicator], the default overscroll indicator for
@ -666,14 +662,6 @@ class StretchingOverscrollIndicator extends StatefulWidget {
/// The overscroll indicator will apply a stretch effect to this child. This
/// child (and its subtree) should include a source of [ScrollNotification]
/// notifications.
///
/// Typically a [StretchingOverscrollIndicator] is created by a
/// [ScrollBehavior.buildOverscrollIndicator] method when opted-in using the
/// [ScrollBehavior.androidOverscrollIndicator] flag. In this case
/// the child is usually the one provided as an argument to that method.
/// [ScrollBehavior.androidOverscrollIndicator] is deprecated, use
/// [ThemeData.useMaterial3], or override
/// [ScrollBehavior.buildOverscrollIndicator] to choose the desired indicator.
final Widget? child;
@override

64
packages/flutter/lib/src/widgets/scroll_configuration.dart
View file

@ -27,10 +27,6 @@ const Set<PointerDeviceKind> _kTouchLikeDeviceTypes = <PointerDeviceKind>{
PointerDeviceKind.unknown,
};
/// The default overscroll indicator applied on [TargetPlatform.android].
// TODO(Piinks): Complete migration to stretch by default.
const AndroidOverscrollIndicator _kDefaultAndroidOverscrollIndicator = AndroidOverscrollIndicator.glow;
/// Types of overscroll indicators supported by [TargetPlatform.android].
enum AndroidOverscrollIndicator {
/// Utilizes a [StretchingOverscrollIndicator], which transforms the contents
@ -67,28 +63,7 @@ enum AndroidOverscrollIndicator {
@immutable
class ScrollBehavior {
/// Creates a description of how [Scrollable] widgets should behave.
const ScrollBehavior({
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
AndroidOverscrollIndicator? androidOverscrollIndicator,
}): _androidOverscrollIndicator = androidOverscrollIndicator;
/// Specifies which overscroll indicator to use on [TargetPlatform.android].
///
/// Cannot be null. Defaults to [AndroidOverscrollIndicator.glow].
///
/// See also:
///
/// * [MaterialScrollBehavior], which supports setting this property
/// using [ThemeData].
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
AndroidOverscrollIndicator get androidOverscrollIndicator => _androidOverscrollIndicator ?? _kDefaultAndroidOverscrollIndicator;
final AndroidOverscrollIndicator? _androidOverscrollIndicator;
const ScrollBehavior();
/// Creates a copy of this ScrollBehavior, making it possible to
/// easily toggle `scrollbar` and `overscrollIndicator` effects.
@ -105,11 +80,6 @@ class ScrollBehavior {
Set<LogicalKeyboardKey>? pointerAxisModifiers,
ScrollPhysics? physics,
TargetPlatform? platform,
@Deprecated(
'Use ThemeData.useMaterial3 or override ScrollBehavior.buildOverscrollIndicator. '
'This feature was deprecated after v2.13.0-0.0.pre.'
)
AndroidOverscrollIndicator? androidOverscrollIndicator,
}) {
return _WrappedScrollBehavior(
delegate: this,
@ -119,7 +89,6 @@ class ScrollBehavior {
pointerAxisModifiers: pointerAxisModifiers,
physics: physics,
platform: platform,
androidOverscrollIndicator: androidOverscrollIndicator
);
}
@ -187,23 +156,13 @@ class ScrollBehavior {
case TargetPlatform.windows:
return child;
case TargetPlatform.android:
switch (androidOverscrollIndicator) {
case AndroidOverscrollIndicator.stretch:
return StretchingOverscrollIndicator(
axisDirection: details.direction,
child: child,
);
case AndroidOverscrollIndicator.glow:
break;
}
case TargetPlatform.fuchsia:
break;
return GlowingOverscrollIndicator(
axisDirection: details.direction,
color: _kDefaultGlowColor,
child: child,
);
}
return GlowingOverscrollIndicator(
axisDirection: details.direction,
color: _kDefaultGlowColor,
child: child,
);
}
/// Specifies the type of velocity tracker to use in the descendant
@ -289,9 +248,7 @@ class _WrappedScrollBehavior implements ScrollBehavior {
Set<LogicalKeyboardKey>? pointerAxisModifiers,
this.physics,
this.platform,
AndroidOverscrollIndicator? androidOverscrollIndicator,
}) : _androidOverscrollIndicator = androidOverscrollIndicator,
_dragDevices = dragDevices,
}) : _dragDevices = dragDevices,
_pointerAxisModifiers = pointerAxisModifiers;
final ScrollBehavior delegate;
@ -301,8 +258,6 @@ class _WrappedScrollBehavior implements ScrollBehavior {
final TargetPlatform? platform;
final Set<PointerDeviceKind>? _dragDevices;
final Set<LogicalKeyboardKey>? _pointerAxisModifiers;
@override
final AndroidOverscrollIndicator? _androidOverscrollIndicator;
@override
Set<PointerDeviceKind> get dragDevices => _dragDevices ?? delegate.dragDevices;
@ -310,9 +265,6 @@ class _WrappedScrollBehavior implements ScrollBehavior {
@override
Set<LogicalKeyboardKey> get pointerAxisModifiers => _pointerAxisModifiers ?? delegate.pointerAxisModifiers;
@override
AndroidOverscrollIndicator get androidOverscrollIndicator => _androidOverscrollIndicator ?? delegate.androidOverscrollIndicator;
@override
Widget buildOverscrollIndicator(BuildContext context, Widget child, ScrollableDetails details) {
if (overscroll) {
@ -337,7 +289,6 @@ class _WrappedScrollBehavior implements ScrollBehavior {
Set<LogicalKeyboardKey>? pointerAxisModifiers,
ScrollPhysics? physics,
TargetPlatform? platform,
AndroidOverscrollIndicator? androidOverscrollIndicator
}) {
return delegate.copyWith(
scrollbars: scrollbars ?? this.scrollbars,
@ -346,7 +297,6 @@ class _WrappedScrollBehavior implements ScrollBehavior {
pointerAxisModifiers: pointerAxisModifiers ?? this.pointerAxisModifiers,
physics: physics ?? this.physics,
platform: platform ?? this.platform,
androidOverscrollIndicator: androidOverscrollIndicator ?? this.androidOverscrollIndicator,
);
}

31
packages/flutter/test/material/app_test.dart
View file

@ -1299,9 +1299,8 @@ void main() {
expect(find.byType(GlowingOverscrollIndicator), findsNothing);
}, variant: TargetPlatformVariant.only(TargetPlatform.android));
testWidgetsWithLeakTracking('ScrollBehavior stretch android overscroll indicator', (WidgetTester tester) async {
testWidgetsWithLeakTracking('MaterialScrollBehavior default stretch android overscroll indicator', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
scrollBehavior: const MaterialScrollBehavior(androidOverscrollIndicator: AndroidOverscrollIndicator.stretch),
home: ListView(
children: const <Widget>[
SizedBox(
@ -1319,8 +1318,8 @@ void main() {
testWidgetsWithLeakTracking('Overscroll indicator can be set by theme', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
// The current default is glowing, setting via the theme should override.
theme: ThemeData().copyWith(androidOverscrollIndicator: AndroidOverscrollIndicator.stretch),
// The current default is M3 and stretch overscroll, setting via the theme should override.
theme: ThemeData().copyWith(useMaterial3: false),
home: ListView(
children: const <Widget>[
SizedBox(
@ -1332,28 +1331,8 @@ void main() {
),
));
expect(find.byType(StretchingOverscrollIndicator), findsOneWidget);
expect(find.byType(GlowingOverscrollIndicator), findsNothing);
}, variant: TargetPlatformVariant.only(TargetPlatform.android));
testWidgetsWithLeakTracking('Overscroll indicator in MaterialScrollBehavior takes precedence over theme', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
// MaterialScrollBehavior.androidOverscrollIndicator takes precedence over theme.
scrollBehavior: const MaterialScrollBehavior(androidOverscrollIndicator: AndroidOverscrollIndicator.stretch),
theme: ThemeData().copyWith(androidOverscrollIndicator: AndroidOverscrollIndicator.glow),
home: ListView(
children: const <Widget>[
SizedBox(
height: 1000.0,
width: 1000.0,
child: Text('Test'),
),
],
),
));
expect(find.byType(StretchingOverscrollIndicator), findsOneWidget);
expect(find.byType(GlowingOverscrollIndicator), findsNothing);
expect(find.byType(GlowingOverscrollIndicator), findsOneWidget);
expect(find.byType(StretchingOverscrollIndicator), findsNothing);
}, variant: TargetPlatformVariant.only(TargetPlatform.android));
testWidgetsWithLeakTracking('Material3 - ListView clip behavior updates overscroll indicator clip behavior', (WidgetTester tester) async {

5
packages/flutter/test/material/theme_data_test.dart
View file

@ -809,7 +809,6 @@ void main() {
toggleButtonsTheme: const ToggleButtonsThemeData(textStyle: TextStyle(color: Colors.black)),
tooltipTheme: const TooltipThemeData(height: 100),
// DEPRECATED (newest deprecations at the bottom)
androidOverscrollIndicator: AndroidOverscrollIndicator.glow,
toggleableActiveColor: Colors.black,
selectedRowColor: Colors.black,
errorColor: Colors.black,
@ -928,7 +927,6 @@ void main() {
tooltipTheme: const TooltipThemeData(height: 100),
// DEPRECATED (newest deprecations at the bottom)
androidOverscrollIndicator: AndroidOverscrollIndicator.stretch,
toggleableActiveColor: Colors.white,
selectedRowColor: Colors.white,
errorColor: Colors.white,
@ -1030,7 +1028,6 @@ void main() {
tooltipTheme: otherTheme.tooltipTheme,
// DEPRECATED (newest deprecations at the bottom)
androidOverscrollIndicator: otherTheme.androidOverscrollIndicator,
toggleableActiveColor: otherTheme.toggleableActiveColor,
selectedRowColor: otherTheme.selectedRowColor,
errorColor: otherTheme.errorColor,
@ -1133,7 +1130,6 @@ void main() {
expect(themeDataCopy.tooltipTheme, equals(otherTheme.tooltipTheme));
// DEPRECATED (newest deprecations at the bottom)
expect(themeDataCopy.androidOverscrollIndicator, equals(otherTheme.androidOverscrollIndicator));
expect(themeDataCopy.toggleableActiveColor, equals(otherTheme.toggleableActiveColor));
expect(themeDataCopy.selectedRowColor, equals(otherTheme.selectedRowColor));
expect(themeDataCopy.errorColor, equals(otherTheme.errorColor));
@ -1267,7 +1263,6 @@ void main() {
'toggleButtonsTheme',
'tooltipTheme',
// DEPRECATED (newest deprecations at the bottom)
'androidOverscrollIndicator',
'toggleableActiveColor',
'selectedRowColor',
'errorColor',

42
packages/flutter/test/widgets/scroll_behavior_test.dart
View file

@ -154,32 +154,6 @@ void main() {
expect(find.byType(GlowingOverscrollIndicator), findsOneWidget);
}, variant: TargetPlatformVariant.only(TargetPlatform.android));
testWidgets('ScrollBehavior stretch android overscroll indicator', (WidgetTester tester) async {
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: MediaQuery(
data: const MediaQueryData(size: Size(800, 600)),
child: ScrollConfiguration(
behavior: const ScrollBehavior(androidOverscrollIndicator: AndroidOverscrollIndicator.stretch),
child: ListView(
children: const <Widget>[
SizedBox(
height: 1000.0,
width: 1000.0,
child: Text('Test'),
),
],
),
),
),
),
);
expect(find.byType(StretchingOverscrollIndicator), findsOneWidget);
expect(find.byType(GlowingOverscrollIndicator), findsNothing);
}, variant: TargetPlatformVariant.only(TargetPlatform.android));
group('ScrollBehavior configuration is maintained over multiple copies', () {
testWidgets('dragDevices', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/91673
@ -203,22 +177,6 @@ void main() {
expect(twiceCopiedBehavior.dragDevices, PointerDeviceKind.values.toSet());
});
testWidgets('androidOverscrollIndicator', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/91673
const ScrollBehavior defaultBehavior = ScrollBehavior();
expect(defaultBehavior.androidOverscrollIndicator, AndroidOverscrollIndicator.glow);
// Use copyWith to modify androidOverscrollIndicator
final ScrollBehavior onceCopiedBehavior = defaultBehavior.copyWith(
androidOverscrollIndicator: AndroidOverscrollIndicator.stretch,
);
expect(onceCopiedBehavior.androidOverscrollIndicator, AndroidOverscrollIndicator.stretch);
// Copy again. The previously modified value should carry over.
final ScrollBehavior twiceCopiedBehavior = onceCopiedBehavior.copyWith();
expect(twiceCopiedBehavior.androidOverscrollIndicator, AndroidOverscrollIndicator.stretch);
});
testWidgets('physics', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/91673
late ScrollPhysics defaultPhysics;