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[material_ui] Migrate M3 buttons template to use new gen_defaults - #12744

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QuncCccccc:button_m3_defaults_migration
Sep 10, 2026
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auto-submit[bot] merged 1 commit into
flutter:mainfrom
QuncCccccc:button_m3_defaults_migration

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Work towards flutter/flutter#187899

Fixes flutter/flutter#188405

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@github-actions github-actions Bot added p: material_ui triage-design Should be looked at in design triage labels Sep 3, 2026
@QuncCccccc
QuncCccccc force-pushed the button_m3_defaults_migration branch 2 times, most recently from c982306 to c3c6211 Compare September 3, 2026 23:56
@QuncCccccc QuncCccccc changed the title [material_ui] Migrate M3 buttons template to use new gen_defaults [material_ui] Migrate M3 ElevatedButton template to use new gen_defaults Sep 4, 2026
@QuncCccccc
QuncCccccc force-pushed the button_m3_defaults_migration branch 14 times, most recently from e5653f7 to a5b9d6d Compare September 4, 2026 02:17
@QuncCccccc
QuncCccccc marked this pull request as ready for review September 4, 2026 02:17
@QuncCccccc
QuncCccccc requested a review from elliette September 4, 2026 02:18
@QuncCccccc QuncCccccc changed the title [material_ui] Migrate M3 ElevatedButton template to use new gen_defaults [material_ui] Migrate M3 buttons template to use new gen_defaults Sep 4, 2026

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Code Review

This pull request migrates Material 3 button defaults to be generated from tokens via a new ButtonTemplateM3 template, removing hardcoded default classes from the button implementation files and generating them as part files instead. The review feedback suggests modernizing the generated code by replacing deprecated MaterialStatePropertyAll references with WidgetStatePropertyAll in both the template and its associated tests.

Comment thread packages/material_ui/tool/gen_defaults/test/gen_defaults_test.dart
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All comments from gemini-code-assist are related to replace MaterialStatePropertyAll with WidgetStatePropertyAll . I resolved them all with no change because we want to keep the original code as is.

@QuncCccccc QuncCccccc added CICD Run CI/CD override: no versioning needed Override the check requiring version bumps for most changes override: no changelog needed Override the check requiring CHANGELOG updates for most changes labels Sep 9, 2026
@QuncCccccc
QuncCccccc force-pushed the button_m3_defaults_migration branch from 34a5b9d to e6470cd Compare September 9, 2026 19:26
@QuncCccccc QuncCccccc added the autosubmit Merge PR when tree becomes green via auto submit App label Sep 10, 2026
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auto-submit Bot merged commit 8a35b16 into flutter:main Sep 10, 2026
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mboetger pushed a commit to mboetger/flutter that referenced this pull request Sep 10, 2026
…er#192550)

flutter/packages@36e088a...8a35b16

2026-09-10 36861262+QuncCccccc@users.noreply.github.com [material_ui]
Migrate M3 buttons template to use new gen_defaults
(flutter/packages#12744)
2026-09-09 victorsanniay@gmail.com [cupertino_ui]Add awaitNotRequired to
Future-returning callsites without await (flutter/packages#12817)
2026-09-09 victorsanniay@gmail.com [material_ui] Add awaitNotRequired
annotation to material_ui (flutter/packages#12622)
2026-09-09 victor.orozco@cloudsufi.com [image_picker] Add native tests
for photo-library access and UIImagePicker completion
(flutter/packages#12540)
2026-09-09 hashemp206@yahoo.com [material_ui][cupertino_ui] allow page
routes to opt out of route semantics - flutter#182556 (flutter/packages#12674)
2026-09-09 victor.orozco@cloudsufi.com [image_picker] Add native tests
for pick results, camera access, and presentation
(flutter/packages#12539)
2026-09-09 laishereu@gmail.com [cupertino_ui] Fix platform view sheet
transitions (flutter/packages#12565)
2026-09-09 150371713+dhc-tech@users.noreply.github.com
[camera_android_camerax] Bump cameraxVersion to 1.6.2, remove
concurrent-futures workaround (flutter/packages#12698)
2026-09-09 116356835+AbdeMohlbi@users.noreply.github.com `[material_ui]`
replace identical checks with equality when dealing with enums
(flutter/packages#12633)
2026-09-09 engine-flutter-autoroll@skia.org Roll Flutter from
b444e78 to 63b9518 (21 revisions) (flutter/packages#12814)
2026-09-09 116356835+AbdeMohlbi@users.noreply.github.com
`[cupertino_ui]` replace identical checks with equality when dealing
with enums (flutter/packages#12632)
2026-09-09 tarrinneal@gmail.com [pigeon] add support for multiple swift
outputs (flutter/packages#12720)

If this roll has caused a breakage, revert this CL and set the roller
to dry run mode using the controls here:
https://autoroll.skia.org/r/flutter-packages-flutter-autoroll
Please CC flutter-ecosystem@google.com on the revert to ensure that a
human
is aware of the problem.

To file a bug in Flutter:
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

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button_template.dart

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