Add FloatingActionButtonTheme #179736
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Add FloatingActionButtonTheme #179736
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This pull request introduces FloatingActionButtonTheme, an InheritedTheme that allows for theming FloatingActionButton widgets within a subtree. This is a standard pattern in Flutter and brings FloatingActionButton in line with other Material components that have their own theme widgets. The implementation correctly uses dependOnInheritedWidgetOfExactType and falls back to Theme.of(context).floatingActionButtonTheme. The documentation for FloatingActionButton and FloatingActionButtonThemeData has been updated to reflect this change. Two new tests have been added to verify the behavior of the new theme, ensuring that it overrides the app-level theme and that widget-level properties take precedence. The changes are well-implemented and follow existing conventions in the Flutter framework.
packages/flutter/test/material/floating_action_button_theme_test.dart
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Dec 17, 2025
| const FloatingActionButtonTheme({super.key, this.data, required super.child}); | ||
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| /// The properties for descendant [FloatingActionButton] widgets. | ||
| final FloatingActionButtonThemeData? data; |
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Are there any cases that data might be null? I'm thinking maybe we can just make the type be FloatingActionButtonThemeData.
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Oh very good catch!
I used MaterialBannerTheme as an inspiration when writing this PR and I just realized that it is the only theme where data is nullable. Probably by mistake.
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| await tester.pumpWidget( | ||
| MaterialApp( | ||
| theme: ThemeData().copyWith( |
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nit:
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| theme: ThemeData().copyWith( | |
| theme: ThemeData( |
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Manual roll Flutter from d81baab to 57c3f8b (38 revisions) Manual roll requested by stuartmorgan@google.com flutter/flutter@d81baab...57c3f8b 2025-12-17 bruno.leroux@gmail.com Add FloatingActionButtonTheme (flutter/flutter#179736) 2025-12-17 engine-flutter-autoroll@skia.org Roll Skia from b1569739f431 to fb576bd6827a (1 revision) (flutter/flutter#179989) 2025-12-17 bruno.leroux@gmail.com Update more comments related to theme normalization (flutter/flutter#179682) 2025-12-17 engine-flutter-autoroll@skia.org Roll Skia from cce9b86bda7d to b1569739f431 (1 revision) (flutter/flutter#179979) 2025-12-17 jobguldemeester@gmail.com Adds property passthrough for CheckboxListTile, SwitchListTile and RadioListTile (flutter/flutter#178098) 2025-12-17 engine-flutter-autoroll@skia.org Roll Dart SDK from ca949b915846 to 3793f3d2d0c4 (2 revisions) (flutter/flutter#179973) 2025-12-17 engine-flutter-autoroll@skia.org Roll Skia from 318400199beb to cce9b86bda7d (1 revision) (flutter/flutter#179976) 2025-12-17 ahmedsameha1@gmail.com Make sure that a CupertinoTextFormFieldRow doesn't crash in 0x0 envir… (flutter/flutter#179932) 2025-12-17 ahmedsameha1@gmail.com Make sure that a CupertinoTabView doesn't crash in 0x0 environment (flutter/flutter#179845) 2025-12-17 ahmedsameha1@gmail.com Make sure that a CupertinoTextField doesn't crash in 0x0 environment (flutter/flutter#179865) 2025-12-17 ahmedsameha1@gmail.com Make sure that a CupertinoSwitch doesn't crash in 0x0 environment (flutter/flutter#179748) 2025-12-17 116356835+AbdeMohlbi@users.noreply.github.com Update `BuildContext` docs to make it easier to understand (flutter/flutter#178616) 2025-12-17 41930132+hellohuanlin@users.noreply.github.com [ios][pv] quick fix to enable and re-enable web view's gesture recognizer (flutter/flutter#179908) 2025-12-17 biggs0125@gmail.com Deduplicate wasm dry run entries in analytics. (flutter/flutter#179970) 2025-12-17 engine-flutter-autoroll@skia.org Roll Skia from 99899cbb415b to 318400199beb (1 revision) (flutter/flutter#179969) 2025-12-17 engine-flutter-autoroll@skia.org Roll Skia from 2ac4a8709bc9 to 99899cbb415b (1 revision) (flutter/flutter#179968) 2025-12-17 engine-flutter-autoroll@skia.org Roll Dart SDK from 95a92bc705d3 to ca949b915846 (6 revisions) (flutter/flutter#179967) 2025-12-17 biggs0125@gmail.com Add package info to wasm dry run events. (flutter/flutter#179826) 2025-12-17 matt.boetger@gmail.com Platform View Hide/Show Integration test (flutter/flutter#179902) 2025-12-16 engine-flutter-autoroll@skia.org Roll Skia from 61162d72343f to 2ac4a8709bc9 (14 revisions) (flutter/flutter#179961) 2025-12-16 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 433KtmJvbMyaDMJvD... to fAoyBAT99XxwPE5hL... (flutter/flutter#179960) 2025-12-16 bkonyi@google.com [ Tool ] Fix update-packages not accounting for path dependencies (flutter/flutter#179951) 2025-12-16 45459898+RamonFarizel@users.noreply.github.com ListTile fix MinIntrinsicHeight calculation (flutter/flutter#179515) 2025-12-16 108678139+manu-sncf@users.noreply.github.com Fix pinned header in NestedScrollView (flutter/flutter#179210) 2025-12-16 bruno.leroux@gmail.com Update some comments related to theme normalization (flutter/flutter#179624) 2025-12-16 iliyazelenkog@gmail.com Add Cyrillic keyboard layout support for flutter_tools terminal commands (flutter/flutter#177855) 2025-12-16 lauren@selfisekai.rocks Minor fixes for libstdc++ 15 (flutter/flutter#178601) 2025-12-16 34465683+rkishan516@users.noreply.github.com Feat: Add top gap for cupertino sheet (flutter/flutter#171348) 2025-12-16 116356835+AbdeMohlbi@users.noreply.github.com Align `Build.API_LEVELS` usage in `FlutterImageDecoder.java` with existing usage (flutter/flutter#179868) 2025-12-16 41930132+hellohuanlin@users.noreply.github.com Revert "[ios][pv] accept/reject gesture based on hitTest (with new wi… (flutter/flutter#179895) 2025-12-16 codefu@google.com fix: line endings for flutter/dart/flutter-dev (flutter/flutter#179912) 2025-12-16 22373191+Hari-07@users.noreply.github.com Platform view blur clipping - Rounded Rect (iOS) (flutter/flutter#177551) 2025-12-16 engine-flutter-autoroll@skia.org Roll Dart SDK from 20d114f951db to 95a92bc705d3 (1 revision) (flutter/flutter#179909) 2025-12-16 34871572+gmackall@users.noreply.github.com [Reland] Unmodified android sdk bundle (flutter/flutter#179920) 2025-12-16 engine-flutter-autoroll@skia.org Roll Skia from 6903a4e65c3f to 61162d72343f (2 revisions) (flutter/flutter#179915) 2025-12-16 engine-flutter-autoroll@skia.org Roll Packages from 2cd921c to 57725eb (1 revision) (flutter/flutter#179942) 2025-12-16 45490440+shindonghwi@users.noreply.github.com Filter out FrameEvents/updateAcquireFence log spam from adb logcat (flutter/flutter#179884) 2025-12-16 30870216+gaaclarke@users.noreply.github.com `flutter update-packages --force-upgrade --update-hashes` (flutter/flutter#179950) 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 bmparr@google.com,stuartmorgan@google.com on the revert to ensure that a human is aware of the problem. ...
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Description
This PR adds the
FloatingActionButtonThemesubclass of InheritedTheme. Similarly to other theme classes.This missing theme class was mentioned in flutter.dev/go/material-theme-system-updates:
"FloatingActionButtonThemeData is conformant but there’s no FloatingActionButtonTheme class. "
Related Issue
Fixes Missing FloatingActionButtonTheme
Tests
Adds 2 tests.