Migrate to null aware elements - Part 1 #172198
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It looks like this pull request may not have tests. Please make sure to add tests or get an explicit test exemption before merging. If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix? Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing.If you believe this PR qualifies for a test exemption, contact "@test-exemption-reviewer" in the #hackers channel in Discord (don't just cc them here, they won't see it!). The test exemption team is a small volunteer group, so all reviewers should feel empowered to ask for tests, without delegating that responsibility entirely to the test exemption group. |
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| if (hasToggledState != null) SemanticsFlag.hasToggledState: hasToggledState, | ||
| if (isToggled != null) SemanticsFlag.isToggled: isToggled, | ||
| if (hasImplicitScrolling != null) SemanticsFlag.hasImplicitScrolling: hasImplicitScrolling, | ||
| if (isSlider != null) SemanticsFlag.isSlider: isSlider, |
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This was removed because it's duplicated in line 2464
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@jamilsaadeh97 Can you request a test exception as explained by the bot above? |
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test-exempt: code refactor with no semantic change |
victorsanni
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LGTM! Thanks for the PR.
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LGTM, thank you for the clean up!
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flutter/flutter@afba7d7...20788c0 2025-07-24 [email protected] Roll Packages from 9c85e5e to 963550c (4 revisions) (flutter/flutter#172696) 2025-07-24 [email protected] Add missing deprecations to CupertinoDynamicColor. (flutter/flutter#171160) 2025-07-24 [email protected] Roll Dart SDK from a181fe571dc8 to 26dece893751 (2 revisions) (flutter/flutter#172683) 2025-07-24 [email protected] Migrate to null aware elements - Part 1 (flutter/flutter#172198) 2025-07-24 [email protected] licenses_cpp: implements extracting regions from matched text (flutter/flutter#172655) 2025-07-24 [email protected] Roll pub packages (flutter/flutter#172677) 2025-07-24 [email protected] Marks Mac_ios keyboard_hot_restart_ios to be unflaky (flutter/flutter#168053) 2025-07-24 [email protected] Roll Abseil and remove a workaround for a Fuchsia target that was unable to build Abseil (flutter/flutter#172665) 2025-07-24 [email protected] Add `automaticallyImplyActions` property to AppBar (flutter/flutter#171113) 2025-07-24 [email protected] fix: TabBar fontFamily inheritance with custom label styles (flutter/flutter#171699) 2025-07-23 [email protected] Marks Linux_mokey new_gallery__crane_perf to be unflaky (flutter/flutter#167633) 2025-07-23 [email protected] [android] Fix broken `--android-skip-build-dependency-validation` flag (flutter/flutter#172581) 2025-07-23 [email protected] Fix: Ensure Text widget locale is included in semantics language tag (flutter/flutter#172034) 2025-07-23 [email protected] [Web][a11y] Update selected chips semantics (flutter/flutter#172660) 2025-07-23 [email protected] Roll Skia from eea1c33fbe84 to 094ac350125f (29 revisions) (flutter/flutter#172664) 2025-07-23 [email protected] Marks Mac_arm64_ios imitation_game_flutter to be unflaky (flutter/flutter#168052) 2025-07-23 [email protected] Roll Dart SDK from a31774a3d049 to a181fe571dc8 (2 revisions) (flutter/flutter#172667) 2025-07-23 [email protected] Adapt xcresult parser for Xcode 16 changes (flutter/flutter#172596) 2025-07-23 [email protected] Update excluded_files to match the current output of the old license checker (flutter/flutter#172670) 2025-07-23 [email protected] Manual Roll of Dart SDK from da9e0299c120 to a31774a3d049 (flutter/flutter#172616) 2025-07-23 [email protected] [FGP] Small restructuring of Android Studio native flutter dependency support (flutter/flutter#172651) 2025-07-23 [email protected] revert: Replaces legacy licenses check with licenses_cpp (flutter/flutter#172568) 2025-07-23 [email protected] fix: size-exp naming (flutter/flutter#172647) 2025-07-23 [email protected] Roll Fuchsia Test Scripts from MnFlN7VWM_7h7EmBV... to BWj3yYC74ud58QhN0... (flutter/flutter#172646) 2025-07-23 [email protected] [DisplayList] implement shadow bounds without relying on Skia utilities (flutter/flutter#172572) 2025-07-23 [email protected] Update `dev/bots/post_process_docs.dart` to use `flutter.version.json` (flutter/flutter#172601) 2025-07-23 [email protected] Emit a warning on `--[no-]disable-dds`, preferring `--no-dds` (flutter/flutter#172595) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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<!-- Thanks for filing a pull request! Reviewers are typically assigned within a week of filing a request. To learn more about code review, see our documentation on Tree Hygiene: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md --> Replace null checks with null aware elements Part of flutter#172188 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] 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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…r#9670) flutter/flutter@afba7d7...20788c0 2025-07-24 [email protected] Roll Packages from 9c85e5e to 963550c (4 revisions) (flutter/flutter#172696) 2025-07-24 [email protected] Add missing deprecations to CupertinoDynamicColor. (flutter/flutter#171160) 2025-07-24 [email protected] Roll Dart SDK from a181fe571dc8 to 26dece893751 (2 revisions) (flutter/flutter#172683) 2025-07-24 [email protected] Migrate to null aware elements - Part 1 (flutter/flutter#172198) 2025-07-24 [email protected] licenses_cpp: implements extracting regions from matched text (flutter/flutter#172655) 2025-07-24 [email protected] Roll pub packages (flutter/flutter#172677) 2025-07-24 [email protected] Marks Mac_ios keyboard_hot_restart_ios to be unflaky (flutter/flutter#168053) 2025-07-24 [email protected] Roll Abseil and remove a workaround for a Fuchsia target that was unable to build Abseil (flutter/flutter#172665) 2025-07-24 [email protected] Add `automaticallyImplyActions` property to AppBar (flutter/flutter#171113) 2025-07-24 [email protected] fix: TabBar fontFamily inheritance with custom label styles (flutter/flutter#171699) 2025-07-23 [email protected] Marks Linux_mokey new_gallery__crane_perf to be unflaky (flutter/flutter#167633) 2025-07-23 [email protected] [android] Fix broken `--android-skip-build-dependency-validation` flag (flutter/flutter#172581) 2025-07-23 [email protected] Fix: Ensure Text widget locale is included in semantics language tag (flutter/flutter#172034) 2025-07-23 [email protected] [Web][a11y] Update selected chips semantics (flutter/flutter#172660) 2025-07-23 [email protected] Roll Skia from eea1c33fbe84 to 094ac350125f (29 revisions) (flutter/flutter#172664) 2025-07-23 [email protected] Marks Mac_arm64_ios imitation_game_flutter to be unflaky (flutter/flutter#168052) 2025-07-23 [email protected] Roll Dart SDK from a31774a3d049 to a181fe571dc8 (2 revisions) (flutter/flutter#172667) 2025-07-23 [email protected] Adapt xcresult parser for Xcode 16 changes (flutter/flutter#172596) 2025-07-23 [email protected] Update excluded_files to match the current output of the old license checker (flutter/flutter#172670) 2025-07-23 [email protected] Manual Roll of Dart SDK from da9e0299c120 to a31774a3d049 (flutter/flutter#172616) 2025-07-23 [email protected] [FGP] Small restructuring of Android Studio native flutter dependency support (flutter/flutter#172651) 2025-07-23 [email protected] revert: Replaces legacy licenses check with licenses_cpp (flutter/flutter#172568) 2025-07-23 [email protected] fix: size-exp naming (flutter/flutter#172647) 2025-07-23 [email protected] Roll Fuchsia Test Scripts from MnFlN7VWM_7h7EmBV... to BWj3yYC74ud58QhN0... (flutter/flutter#172646) 2025-07-23 [email protected] [DisplayList] implement shadow bounds without relying on Skia utilities (flutter/flutter#172572) 2025-07-23 [email protected] Update `dev/bots/post_process_docs.dart` to use `flutter.version.json` (flutter/flutter#172601) 2025-07-23 [email protected] Emit a warning on `--[no-]disable-dds`, preferring `--no-dds` (flutter/flutter#172595) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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## Description Continuing the work from @jamilsaadeh97 to replace verbose null checks with modern [null_aware_elements](https://dart.dev/tools/linter-rules/use_null_aware_elements) syntax. This PR cleans up the remaining files not covered in the previous parts, making the code more concise. ## Related PRs - #172198 - #172306 - #172307 - #172322 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing.
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<!-- Thanks for filing a pull request! Reviewers are typically assigned within a week of filing a request. To learn more about code review, see our documentation on Tree Hygiene: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md --> Replace null checks with null aware elements Part of flutter#172188 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] 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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## Description Continuing the work from @jamilsaadeh97 to replace verbose null checks with modern [null_aware_elements](https://dart.dev/tools/linter-rules/use_null_aware_elements) syntax. This PR cleans up the remaining files not covered in the previous parts, making the code more concise. ## Related PRs - flutter#172198 - flutter#172306 - flutter#172307 - flutter#172322 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing.
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<!-- Thanks for filing a pull request! Reviewers are typically assigned within a week of filing a request. To learn more about code review, see our documentation on Tree Hygiene: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md --> Replace null checks with null aware elements Part of flutter#172188 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] 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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## Description Continuing the work from @jamilsaadeh97 to replace verbose null checks with modern [null_aware_elements](https://dart.dev/tools/linter-rules/use_null_aware_elements) syntax. This PR cleans up the remaining files not covered in the previous parts, making the code more concise. ## Related PRs - flutter#172198 - flutter#172306 - flutter#172307 - flutter#172322 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing.
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<!-- Thanks for filing a pull request! Reviewers are typically assigned within a week of filing a request. To learn more about code review, see our documentation on Tree Hygiene: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md --> Replace null checks with null aware elements Part of flutter#172188 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] 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
korca0220
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Sep 22, 2025
## Description Continuing the work from @jamilsaadeh97 to replace verbose null checks with modern [null_aware_elements](https://dart.dev/tools/linter-rules/use_null_aware_elements) syntax. This PR cleans up the remaining files not covered in the previous parts, making the code more concise. ## Related PRs - flutter#172198 - flutter#172306 - flutter#172307 - flutter#172322 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing.
engine-flutter-autoroll
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Nov 12, 2025
lucaantonelli
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Nov 21, 2025
<!-- Thanks for filing a pull request! Reviewers are typically assigned within a week of filing a request. To learn more about code review, see our documentation on Tree Hygiene: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md --> Replace null checks with null aware elements Part of flutter#172188 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] 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
lucaantonelli
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Nov 21, 2025
## Description Continuing the work from @jamilsaadeh97 to replace verbose null checks with modern [null_aware_elements](https://dart.dev/tools/linter-rules/use_null_aware_elements) syntax. This PR cleans up the remaining files not covered in the previous parts, making the code more concise. ## Related PRs - flutter#172198 - flutter#172306 - flutter#172307 - flutter#172322 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing.
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Replace null checks with null aware elements
Part of #172188
Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.