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Fix -[FlutterView focusItemsInRect:] crash - #165454
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auto-submit[bot] merged 2 commits intoMar 26, 2025
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-[FlutterView focusItemsInRect:] crash-[FlutterView focusItemsInRect:] crash
cbracken
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March 19, 2025 03:04
LongCatIsLooong
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March 19, 2025 17:51
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/cc @chunhtai I wonder if this is a known issue, or expected behavior, that when an app hot restarts the |
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This sounds like a bug, the a11y bridge should reset the accessibilityelements of flutterview when it delloc, do you know the exact delloc call stack that causes this? |
LongCatIsLooong
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March 19, 2025 21:14
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|
So it looks like this is intended: void PlatformViewIOS::OnPreEngineRestart() const {
if (accessibility_bridge_) {
accessibility_bridge_.get()->clearState();
}
if (!owner_controller_) {
return;
}
[owner_controller_.platformViewsController reset];
[owner_controller_.restorationPlugin reset];
} |
LongCatIsLooong
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March 19, 2025 21:38
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or maybe |
Contributor
yeah it seems like we are missing this part. there is no reason to delloc the semantics object and leave an empty shell in the flutterview.accessibilityElement |
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hi @cbracken would you like to take a look before I put the autosubmit tag on? |
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autosubmit label was removed for flutter/flutter/165454, because - The status or check suite Google testing has failed. Please fix the issues identified (or deflake) before re-applying this label. |
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Fixes flutter#163999 The backing semanticsObject of the semantics container (which the container holds a weak ref to) is deallocated after hot restart so `[rootAccessibilityElement accessibilityElementAtIndex:0]` is returning `nil`. ## Pre-launch Checklist - [ ] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [ ] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [ ] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [ ] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [ ] I updated/added relevant documentation (doc comments with `///`). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [ ] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [ ] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
romanejaquez
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Aug 14, 2025
Fixes flutter#163999 The backing semanticsObject of the semantics container (which the container holds a weak ref to) is deallocated after hot restart so `[rootAccessibilityElement accessibilityElementAtIndex:0]` is returning `nil`. ## Pre-launch Checklist - [ ] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [ ] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [ ] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [ ] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [ ] I updated/added relevant documentation (doc comments with `///`). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [ ] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [ ] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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Fixes #163999
The backing semanticsObject of the semantics container (which the container holds a weak ref to) is deallocated after hot restart so
[rootAccessibilityElement accessibilityElementAtIndex:0]is returningnil.Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.