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@dependabot dependabot bot commented on behalf of github Jun 1, 2022

Bumps github/codeql-action from 2.1.11 to 2.1.12.

Commits
  • 27ea8f8 Merge pull request #1088 from github/update-v2.1.12-dbe6f211
  • 3f00a12 Update changelog for v2.1.12
  • dbe6f21 Merge pull request #1084 from github/cklin/codeql-bundle-2.9.3
  • b36688d Update default CodeQL to 2.9.3
  • 822fe5e Merge pull request #1057 from github/criemen/lua-tracing-ff
  • 255ffd4 Merge branch 'main' into criemen/lua-tracing-ff
  • 4b77568 Choose the correct version to enable the Lua tracer for.
  • f0705a6 Merge pull request #1081 from github/clarify_missing_base
  • 2faa3e1 Remove outdated guidance on missing analysis
  • aaff818 Merge pull request #1079 from github/mergeback/v2.1.11-to-main-a3a6c128
  • Additional commits viewable in compare view

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Bumps [github/codeql-action](https://github.com/github/codeql-action) from 2.1.11 to 2.1.12.
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](github/codeql-action@a3a6c12...27ea8f8)

---
updated-dependencies:
- dependency-name: github/codeql-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
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dependabot bot commented on behalf of github Jun 1, 2022

Dependabot tried to add @hixie and @godofredoc as reviewers to this PR, but received the following error from GitHub:

POST https://api.github.com/repos/RoyARG02/flutter/pulls/32/requested_reviewers: 422 - Reviews may only be requested from collaborators. One or more of the users or teams you specified is not a collaborator of the RoyARG02/flutter repository. // See: https://docs.github.com/rest/reference/pulls#request-reviewers-for-a-pull-request

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dependabot bot commented on behalf of github Jun 1, 2022

The following labels could not be found: team, team: infra, waiting for tree to go green.

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dependabot bot commented on behalf of github Jun 2, 2022

Looks like github/codeql-action is up-to-date now, so this is no longer needed.

@dependabot dependabot bot closed this Jun 2, 2022
@dependabot dependabot bot deleted the dependabot/github_actions/github/codeql-action-2.1.12 branch June 2, 2022 14:50
royarg02 pushed a commit that referenced this pull request Aug 11, 2023
This is a follow up to the following pull requests:
- flutter#124514

I was finally able to reproduce this bug and found out why it was happening. Consider this code:

```dart
GestureDetector(
  behavior: HitTestBehavior.translucent,
  // Note: Make sure onTap is not null to ensure events
  // are captured by `GestureDetector`
  onTap: () {},
  child: _shouldShowSlider
    ? Slider(value: _value, onChanged: _handleSlide)
    : const SizedBox.shrink().
)
```

Runtime exception happens when:

1. User taps and holds the Slider (drag callback captured by `GestureDetector`)
2. `_shouldShowSlider` changes to false, Slider disappears and unmounts, and unregisters `_handleSlide`. But the callback is still registered by `GestureDetector`
3. Users moves finger as if Slider were still there
4. Drag callback is invoked, `_SliderState.showValueIndicator` is called
5. Exception - Slider is already disposed

This pull request fixes it by adding a mounted check inside `_SliderState.showValueIndicator` to ensure the Slider is actually mounted at the time of invoking drag event callback. I've added a unit test that will fail without this change.

The error stack trace is:

```
The following assertion was thrown while handling a gesture:
This widget has been unmounted, so the State no longer has a context (and should be considered
defunct).
Consider canceling any active work during "dispose" or using the "mounted" getter to determine if
the State is still active.

When the exception was thrown, this was the stack:
#0      State.context.<anonymous closure> (package:flutter/src/widgets/framework.dart:950:9)
#1      State.context (package:flutter/src/widgets/framework.dart:956:6)
#2      _SliderState.showValueIndicator (package:flutter/src/material/slider.dart:968:18)
#3      _RenderSlider._startInteraction (package:flutter/src/material/slider.dart:1487:12)
#4      _RenderSlider._handleDragStart (package:flutter/src/material/slider.dart:1541:5)
#5      DragGestureRecognizer._checkStart.<anonymous closure> (package:flutter/src/gestures/monodrag.dart:531:53)
#6      GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:275:24)
#7      DragGestureRecognizer._checkStart (package:flutter/src/gestures/monodrag.dart:531:7)
#8      DragGestureRecognizer._checkDrag (package:flutter/src/gestures/monodrag.dart:498:5)
#9      DragGestureRecognizer.acceptGesture (package:flutter/src/gestures/monodrag.dart:431:7)
#10     _CombiningGestureArenaMember.acceptGesture (package:flutter/src/gestures/team.dart:45:14)
#11     GestureArenaManager._resolveInFavorOf (package:flutter/src/gestures/arena.dart:281:12)
#12     GestureArenaManager._resolve (package:flutter/src/gestures/arena.dart:239:9)
#13     GestureArenaEntry.resolve (package:flutter/src/gestures/arena.dart:53:12)
#14     _CombiningGestureArenaMember._resolve (package:flutter/src/gestures/team.dart:85:15)
#15     _CombiningGestureArenaEntry.resolve (package:flutter/src/gestures/team.dart:19:15)
#16     OneSequenceGestureRecognizer.resolve (package:flutter/src/gestures/recognizer.dart:375:13)
#17     DragGestureRecognizer.handleEvent (package:flutter/src/gestures/monodrag.dart:414:13)
#18     PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:98:12)
#19     PointerRouter._dispatchEventToRoutes.<anonymous closure> (package:flutter/src/gestures/pointer_router.dart:143:9)
#20     _LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:625:13)
#21     PointerRouter._dispatchEventToRoutes (package:flutter/src/gestures/pointer_router.dart:141:18)
#22     PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:127:7)
#23     GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:488:19)
#24     GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:468:22)
#25     RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:439:11)
#26     GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:413:7)
#27     GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:376:5)
#28     GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:323:7)
#29     GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:292:9)
#30     _invoke1 (dart:ui/hooks.dart:186:13)
#31     PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:433:7)
#32     _dispatchPointerDataPacket (dart:ui/hooks.dart:119:31)

Handler: "onStart"
Recognizer:
  HorizontalDragGestureRecognizer#a5df2
```

*List which issues are fixed by this PR. You must list at least one issue.*

Internal bug: b/273666179, b/192329942

*If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*
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