Fix leak memory in Tooltip and account detail (#146833)

Author: ValentinVignal

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

@@ -455,6 +455,13 @@ class TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
       vsync: this,
     )..addStatusListener(_handleStatusChanged);
   }
+  CurvedAnimation? _backingOverlayAnimation;
+  CurvedAnimation get _overlayAnimation {
+    return _backingOverlayAnimation ??= CurvedAnimation(
+      parent: _controller,
+      curve: Curves.fastOutSlowIn,
+    );
+  }
 
   LongPressGestureRecognizer? _longPressRecognizer;
   TapGestureRecognizer? _tapRecognizer;
@@ -796,7 +803,7 @@ class TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
       decoration: widget.decoration ?? tooltipTheme.decoration ?? defaultDecoration,
       textStyle: widget.textStyle ?? tooltipTheme.textStyle ?? defaultTextStyle,
       textAlign: widget.textAlign ?? tooltipTheme.textAlign ?? _defaultTextAlign,
-      animation: CurvedAnimation(parent: _controller, curve: Curves.fastOutSlowIn),
+      animation:_overlayAnimation,
       target: target,
       verticalOffset: widget.verticalOffset ?? tooltipTheme.verticalOffset ?? _defaultVerticalOffset,
       preferBelow: widget.preferBelow ?? tooltipTheme.preferBelow ?? _defaultPreferBelow,
@@ -821,6 +828,7 @@ class TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
     _tapRecognizer?.dispose();
     _timer?.cancel();
     _backingController?.dispose();
+    _backingOverlayAnimation?.dispose();
     super.dispose();
   }
 

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

@@ -87,8 +87,8 @@ class _AccountDetails extends StatefulWidget {
 }
 
 class _AccountDetailsState extends State<_AccountDetails> with SingleTickerProviderStateMixin {
-  late Animation<double> _animation;
-  late AnimationController _controller;
+  late final CurvedAnimation _animation;
+  late final AnimationController _controller;
   @override
   void initState () {
     super.initState();
@@ -110,6 +110,7 @@ class _AccountDetailsState extends State<_AccountDetails> with SingleTickerProvi
   @override
   void dispose() {
     _controller.dispose();
+    _animation.dispose();
     super.dispose();
   }
 

packages/flutter/test/material/filter_chip_test.dart

@@ -11,6 +11,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'feedback_tester.dart';
 
@@ -956,7 +957,10 @@ void main() {
     expect(getIconData(tester).color, theme.iconTheme.color?.withAlpha(0xde));
   });
 
-  testWidgets('Customize FilterChip delete button', (WidgetTester tester) async {
+  testWidgets('Customize FilterChip delete button',
+  // 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 {
     Widget buildChip({
       Widget? deleteIcon,
       Color? deleteIconColor,

packages/flutter/test/material/input_chip_test.dart

@@ -10,6 +10,7 @@ library;
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 /// Adds the basic requirements for a Chip.
 Widget wrapForChip({
@@ -456,7 +457,10 @@ void main() {
     await expectLater(find.byType(RawChip), matchesGoldenFile('input_chip.disabled.delete_button.png'));
   });
 
-  testWidgets('Delete button tooltip is not shown on disabled InputChip', (WidgetTester tester) async {
+  testWidgets('Delete button tooltip is not shown on disabled InputChip',
+  // 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 {
     Widget buildChip({ bool enabled = true }) {
       return wrapForChip(
         child: InputChip(

packages/flutter/test/material/user_accounts_drawer_header_test.dart

@@ -5,6 +5,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 import '../widgets/semantics_tester.dart';
 
 const Key avatarA = Key('A');
@@ -261,7 +262,10 @@ void main() {
     expect(transformWidget.transform.getRotation()[4], 1.0);
   });
 
-  testWidgets('UserAccountsDrawerHeader icon color changes', (WidgetTester tester) async {
+  testWidgets('UserAccountsDrawerHeader icon color changes',
+  // 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 {
     await tester.pumpWidget(MaterialApp(
       home: Material(
         child: UserAccountsDrawerHeader(