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showOnScreen does not crash if target node doesn't exist anymore #121575

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Merged
merged 1 commit into from
Feb 28, 2023

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Fixes #100358.

A platform may not have processed a semantics update yet that removes a node from the tree. The platform may therefore send semantics actions for nodes that don't exist anymore. For all actions but showOnScreen we were just ignoring those action requests. This change extends that curtesy to the showOnScreen action as well instead of crashing.

@goderbauer goderbauer requested a review from chunhtai February 28, 2023 01:13
@flutter-dashboard flutter-dashboard bot added a: accessibility Accessibility, e.g. VoiceOver or TalkBack. (aka a11y) framework flutter/packages/flutter repository. See also f: labels. labels Feb 28, 2023
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cc @apwilson

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LGTM

@goderbauer goderbauer added the autosubmit Merge PR when tree becomes green via auto submit App label Feb 28, 2023
@auto-submit auto-submit bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Feb 28, 2023
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auto-submit bot commented Feb 28, 2023

auto label is removed for flutter/flutter, pr: 121575, due to - The status or check suite Windows build_tests_3_3 has failed. Please fix the issues identified (or deflake) before re-applying this label.

@goderbauer goderbauer added the autosubmit Merge PR when tree becomes green via auto submit App label Feb 28, 2023
@auto-submit auto-submit bot merged commit df66fec into flutter:master Feb 28, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Feb 28, 2023
@goderbauer goderbauer deleted the semanticsCrash branch February 28, 2023 17:08
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 10, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request May 10, 2023
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Successfully merging this pull request may close these issues.

_CastError in SemanticsOwner.performAction
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