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Fix curved animation memory leak for scrollbar (#146670)

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Valentin Vignal 2024-04-13 00:24:13 +08:00 committed by GitHub
parent 699749e43f
commit e2c812155c
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GPG Key ID: B5690EEEBB952194
2 changed files with 7 additions and 2 deletions
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3
packages/flutter/lib/src/widgets/scrollbar.dart
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@ -1320,7 +1320,7 @@ class RawScrollbarState<T extends RawScrollbar> extends State<T> with TickerProv
ScrollController? _cachedController;
Timer? _fadeoutTimer;
late AnimationController _fadeoutAnimationController;
late Animation<double> _fadeoutOpacityAnimation;
late CurvedAnimation _fadeoutOpacityAnimation;
final GlobalKey _scrollbarPainterKey = GlobalKey();
bool _hoverIsActive = false;
bool _thumbDragging = false;
@ -2006,6 +2006,7 @@ class RawScrollbarState<T extends RawScrollbar> extends State<T> with TickerProv
_fadeoutAnimationController.dispose();
_fadeoutTimer?.cancel();
scrollbarPainter.dispose();
_fadeoutOpacityAnimation.dispose();
super.dispose();
}

6
packages/flutter/test/rendering/viewport_test.dart
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@ -14,6 +14,7 @@ import 'package:flutter/foundation.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
class _TestSliverPersistentHeaderDelegate extends SliverPersistentHeaderDelegate {
_TestSliverPersistentHeaderDelegate({
@ -2054,7 +2055,10 @@ void main() {
expect(tester.getTopLeft(find.text('Item 9')).dy, 226.0);
});
testWidgets('allows overscrolling on default platforms - vertical', (WidgetTester tester) async {
testWidgets('allows overscrolling on default platforms - vertical',
// TODO(polina-c): remove when fixed https://github.com/flutter/flutter/issues/145600 [leak-tracking-opt-in]
experimentalLeakTesting: LeakTesting.settings.withTracked(classes: const <String>['CurvedAnimation']),
(WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/10949
// Scrollables should overscroll by default on iOS and macOS
final ScrollController controller = ScrollController();