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Migrate to null aware elements - Part 3 #172307
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These LGTM! Thanks for the clean up :)
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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 3 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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Roll Flutter from 20788c0 to cfbaa18 (43 revisions) flutter/flutter@20788c0...cfbaa18 2025-07-28 git@reki.re Remove shortner (flutter/flutter#172844) 2025-07-28 matanlurey@users.noreply.github.com Update `flutter pub get` to use `flutter.version.json` (instead of `version`) (flutter/flutter#172798) 2025-07-27 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from i7RS-4iBtdndwa3Jy... to tK_PAaLeo0pUxi8hv... (flutter/flutter#172827) 2025-07-26 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 4IewCwqcEm7r4QsXd... to i7RS-4iBtdndwa3Jy... (flutter/flutter#172808) 2025-07-26 98614782+auto-submit[bot]@users.noreply.github.com Reverts "fix: get content hash for master on local engine branches (#172792)" (flutter/flutter#172805) 2025-07-26 codefu@google.com fix: build size_exp artifacts in post (flutter/flutter#172802) 2025-07-26 codefu@google.com fix: get content hash for master on local engine branches (flutter/flutter#172792) 2025-07-25 matanlurey@users.noreply.github.com Update `main`/`master` repoExceptions analysis set (flutter/flutter#172796) 2025-07-25 matanlurey@users.noreply.github.com Remove deprecated `--[no-]-disable-dds` (flutter/flutter#172791) 2025-07-25 matanlurey@users.noreply.github.com `last_engine_commit.ps1`: Use `$flutterRoot` instead of `$gitTopLevel` (flutter/flutter#172786) 2025-07-25 matanlurey@users.noreply.github.com Check file contents, remove tests that are now invalid (`: 'none'`) (flutter/flutter#172788) 2025-07-25 loic.peron@inetum.com windows: allow pwsh.bat wrapper (flutter/flutter#171778) 2025-07-25 bdero@google.com [Impeller] Log glCheckFrameBufferStatus output when it fails in blit pass. (flutter/flutter#172592) 2025-07-25 matanlurey@users.noreply.github.com Remove deprecated `AssetManifest.json` file (flutter/flutter#172594) 2025-07-25 matanlurey@users.noreply.github.com Refactor `verifyVersion` into typed `Version` object, use it (flutter/flutter#172780) 2025-07-25 jmccandless@google.com Bump the customer tests to pick up an update to Zulip's tests, for th… (flutter/flutter#172733) 2025-07-25 matanlurey@users.noreply.github.com Rename `AppRunLogger`, stop writing status messages that break JSON (flutter/flutter#172591) 2025-07-25 matanlurey@users.noreply.github.com Add `--dart-define`, `-D` to `assemble`, deprecate `--define`, `-d`. (flutter/flutter#172510) 2025-07-25 rmolivares@renzo-olivares.dev Fix previous text input connection interrupts enter/space (flutter/flutter#171973) 2025-07-25 1063596+reidbaker@users.noreply.github.com Update CHANGELOG.md for 3.32.8 (flutter/flutter#172779) 2025-07-25 matanlurey@users.noreply.github.com Fix an `omit-type` lint that is breaking the tree (flutter/flutter#172776) 2025-07-25 reynaldots@gmail.com feat(tool): Respect user-data-dir flag from web-browser-flag (flutter/flutter#169445) 2025-07-25 mdebbar@google.com [web] Fix empty first frame in multiview mode (flutter/flutter#172493) 2025-07-25 jssaadeh@outlook.com Migrate to null aware elements - Part 3 (flutter/flutter#172307) 2025-07-25 mdebbar@google.com Update few links in docs (flutter/flutter#172166) 2025-07-25 engine-flutter-autoroll@skia.org Roll Skia from 768ace3fd144 to 409e1c7ba09b (1 revision) (flutter/flutter#172745) 2025-07-25 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from a_55b5hqpRnigzuNC... to 4IewCwqcEm7r4QsXd... (flutter/flutter#172742) 2025-07-25 engine-flutter-autoroll@skia.org Roll Skia from 094ac350125f to 768ace3fd144 (18 revisions) (flutter/flutter#172735) 2025-07-25 matanlurey@users.noreply.github.com Remove 2023 deprecated `'platforms'` key from daemon output (flutter/flutter#172593) 2025-07-24 a-siva@users.noreply.github.com Manual roll of Dart from 26dece893751 to 5ede85aff798 (flutter/flutter#172731) 2025-07-24 ievdokdm@gmail.com 169108 ci debug (flutter/flutter#172589) 2025-07-24 31685655+SalehTZ@users.noreply.github.com Improve assertion message in `_MixedBorderRadius.resolve()` (flutter/flutter#172100) 2025-07-24 ahmedsameha1@gmail.com Make sure that a BottomAppBar doesn't crash in 0x0 environment (flutter/flutter#172097) 2025-07-24 ahmedsameha1@gmail.com Handle#6537 bottom navigation bar (flutter/flutter#172404) 2025-07-24 ahmedsameha1@gmail.com Make sure that a MaterialBanner doesn't crash in 0x0 environment (flutter/flutter#172074) 2025-07-24 matanlurey@users.noreply.github.com Remove support for `pluginClass: none` (on `master`; `> 3.35.0`) (flutter/flutter#172579) 2025-07-24 ahmedsameha1@gmail.com Make sure that a Card doesn't crash in 0x0 environment (flutter/flutter#172373) 2025-07-24 ahmedsameha1@gmail.com Make sure that an AboutDialog doesn't crash in 0x0 environment (flutter/flutter#172444) 2025-07-24 ahmedsameha1@gmail.com Make sure that an ActionChip doesn't crash in 0x0 environment (flutter/flutter#172684) 2025-07-24 matanlurey@users.noreply.github.com Delete (unused) `dev/checks_tool` directory (flutter/flutter#172715) 2025-07-24 34871572+gmackall@users.noreply.github.com [Android] Add missing ci configuration for `Linux android_java17_tool_integration_tests` (flutter/flutter#172702) 2025-07-24 srawlins@google.com Flutter-Cherrypick-Process.md - Spell cherry-pick consistently (flutter/flutter#172697) 2025-07-24 matanlurey@users.noreply.github.com Bringup `linux_web_engine_tests`; failing 4+ times in a row (flutter/flutter#172714) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: ...
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Roll Flutter from 20788c0 to cfbaa18 (43 revisions) flutter/flutter@20788c0...cfbaa18 2025-07-28 git@reki.re Remove shortner (flutter/flutter#172844) 2025-07-28 matanlurey@users.noreply.github.com Update `flutter pub get` to use `flutter.version.json` (instead of `version`) (flutter/flutter#172798) 2025-07-27 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from i7RS-4iBtdndwa3Jy... to tK_PAaLeo0pUxi8hv... (flutter/flutter#172827) 2025-07-26 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 4IewCwqcEm7r4QsXd... to i7RS-4iBtdndwa3Jy... (flutter/flutter#172808) 2025-07-26 98614782+auto-submit[bot]@users.noreply.github.com Reverts "fix: get content hash for master on local engine branches (#172792)" (flutter/flutter#172805) 2025-07-26 codefu@google.com fix: build size_exp artifacts in post (flutter/flutter#172802) 2025-07-26 codefu@google.com fix: get content hash for master on local engine branches (flutter/flutter#172792) 2025-07-25 matanlurey@users.noreply.github.com Update `main`/`master` repoExceptions analysis set (flutter/flutter#172796) 2025-07-25 matanlurey@users.noreply.github.com Remove deprecated `--[no-]-disable-dds` (flutter/flutter#172791) 2025-07-25 matanlurey@users.noreply.github.com `last_engine_commit.ps1`: Use `$flutterRoot` instead of `$gitTopLevel` (flutter/flutter#172786) 2025-07-25 matanlurey@users.noreply.github.com Check file contents, remove tests that are now invalid (`: 'none'`) (flutter/flutter#172788) 2025-07-25 loic.peron@inetum.com windows: allow pwsh.bat wrapper (flutter/flutter#171778) 2025-07-25 bdero@google.com [Impeller] Log glCheckFrameBufferStatus output when it fails in blit pass. (flutter/flutter#172592) 2025-07-25 matanlurey@users.noreply.github.com Remove deprecated `AssetManifest.json` file (flutter/flutter#172594) 2025-07-25 matanlurey@users.noreply.github.com Refactor `verifyVersion` into typed `Version` object, use it (flutter/flutter#172780) 2025-07-25 jmccandless@google.com Bump the customer tests to pick up an update to Zulip's tests, for th… (flutter/flutter#172733) 2025-07-25 matanlurey@users.noreply.github.com Rename `AppRunLogger`, stop writing status messages that break JSON (flutter/flutter#172591) 2025-07-25 matanlurey@users.noreply.github.com Add `--dart-define`, `-D` to `assemble`, deprecate `--define`, `-d`. (flutter/flutter#172510) 2025-07-25 rmolivares@renzo-olivares.dev Fix previous text input connection interrupts enter/space (flutter/flutter#171973) 2025-07-25 1063596+reidbaker@users.noreply.github.com Update CHANGELOG.md for 3.32.8 (flutter/flutter#172779) 2025-07-25 matanlurey@users.noreply.github.com Fix an `omit-type` lint that is breaking the tree (flutter/flutter#172776) 2025-07-25 reynaldots@gmail.com feat(tool): Respect user-data-dir flag from web-browser-flag (flutter/flutter#169445) 2025-07-25 mdebbar@google.com [web] Fix empty first frame in multiview mode (flutter/flutter#172493) 2025-07-25 jssaadeh@outlook.com Migrate to null aware elements - Part 3 (flutter/flutter#172307) 2025-07-25 mdebbar@google.com Update few links in docs (flutter/flutter#172166) 2025-07-25 engine-flutter-autoroll@skia.org Roll Skia from 768ace3fd144 to 409e1c7ba09b (1 revision) (flutter/flutter#172745) 2025-07-25 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from a_55b5hqpRnigzuNC... to 4IewCwqcEm7r4QsXd... (flutter/flutter#172742) 2025-07-25 engine-flutter-autoroll@skia.org Roll Skia from 094ac350125f to 768ace3fd144 (18 revisions) (flutter/flutter#172735) 2025-07-25 matanlurey@users.noreply.github.com Remove 2023 deprecated `'platforms'` key from daemon output (flutter/flutter#172593) 2025-07-24 a-siva@users.noreply.github.com Manual roll of Dart from 26dece893751 to 5ede85aff798 (flutter/flutter#172731) 2025-07-24 ievdokdm@gmail.com 169108 ci debug (flutter/flutter#172589) 2025-07-24 31685655+SalehTZ@users.noreply.github.com Improve assertion message in `_MixedBorderRadius.resolve()` (flutter/flutter#172100) 2025-07-24 ahmedsameha1@gmail.com Make sure that a BottomAppBar doesn't crash in 0x0 environment (flutter/flutter#172097) 2025-07-24 ahmedsameha1@gmail.com Handle#6537 bottom navigation bar (flutter/flutter#172404) 2025-07-24 ahmedsameha1@gmail.com Make sure that a MaterialBanner doesn't crash in 0x0 environment (flutter/flutter#172074) 2025-07-24 matanlurey@users.noreply.github.com Remove support for `pluginClass: none` (on `master`; `> 3.35.0`) (flutter/flutter#172579) 2025-07-24 ahmedsameha1@gmail.com Make sure that a Card doesn't crash in 0x0 environment (flutter/flutter#172373) 2025-07-24 ahmedsameha1@gmail.com Make sure that an AboutDialog doesn't crash in 0x0 environment (flutter/flutter#172444) 2025-07-24 ahmedsameha1@gmail.com Make sure that an ActionChip doesn't crash in 0x0 environment (flutter/flutter#172684) 2025-07-24 matanlurey@users.noreply.github.com Delete (unused) `dev/checks_tool` directory (flutter/flutter#172715) 2025-07-24 34871572+gmackall@users.noreply.github.com [Android] Add missing ci configuration for `Linux android_java17_tool_integration_tests` (flutter/flutter#172702) 2025-07-24 srawlins@google.com Flutter-Cherrypick-Process.md - Spell cherry-pick consistently (flutter/flutter#172697) 2025-07-24 matanlurey@users.noreply.github.com Bringup `linux_web_engine_tests`; failing 4+ times in a row (flutter/flutter#172714) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: ...
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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 3 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 3 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 3 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 3 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 3
Part of #172188
Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.