588 Commits

Author SHA1 Message Date
Mohellebi abdessalem
4df749a00d
Refactor SnackBar behavior selection example to use RadioGroup (#178618)
<img width="951" height="141" alt="Screenshot 2025-11-16 at 22 02 12"
src="https://github.com/user-attachments/assets/3aae6cfe-b5f4-41d9-a1f5-4a658894a007"
/>

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2025-11-18 06:52:06 +00:00
Huy
4940bf1cb5
Fix deprecation warning in some API examples using RadioListTile (#178635)
- Fix https://github.com/flutter/flutter/issues/178633
- This PR is to clean API examples, improve user experience when
accessing API page

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Signed-off-by: huycozy <huy@nevercode.io>
2025-11-18 02:52:24 +00:00
Bernardo Ferrari
1814874c2d
Add a RepeatingAnimationBuilder API (#174014)
Implements / Close https://github.com/flutter/flutter/issues/174011

Probably there are 400 LOC of comments + tests, so this removes more
code than adds.

<img width="1509" height="649" alt="diff"
src="https://github.com/user-attachments/assets/cd961ddc-3b79-4ffd-8e9a-a806d5743f17"
/>
2025-11-15 05:17:26 +00:00
Mohellebi abdessalem
e3864a290c
Replace deprecated withOpacity in reorderable_list_view.reorderable_list_view_builder.0.dart‎ example (#178214)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



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2025-11-11 23:09:11 +00:00
Mohellebi abdessalem
521af4a2d1
Replace deprecated withOpacity in search_anchor.1.dart‎ example (#178215)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



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2025-11-10 20:56:37 +00:00
Mohellebi abdessalem
92aee116f6
Replace deprecated withOpacity in cupertino_navigation_bar.0.dart‎ example (#177814)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



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2025-11-10 20:56:36 +00:00
Mohellebi abdessalem
32ea58f183
Replace deprecated withOpacity in hero.1.dart example (#177810)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



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Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2025-11-10 20:46:49 +00:00
Mohellebi abdessalem
3667ffd182
Replace deprecated withOpacity in overflow_bar.0.dart‎ example (#177813)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



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2025-11-05 00:19:08 +00:00
Mohellebi abdessalem
d33f8e8426
Replace deprecated withOpacity in data_table.1.dart‎ example (#177812)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



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2025-11-05 00:17:55 +00:00
Mohellebi abdessalem
f02ae41636
Replace deprecated withOpacity in switch.1.dart example (#177811)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
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- [x] I read the [Tree Hygiene] wiki page, which explains my
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- [ ] I listed at least one issue that this PR fixes in the description
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2025-11-05 00:17:55 +00:00
Mohellebi abdessalem
a913d39131
Replace deprecated withOpacity in chip_animation_style.0.dart‎ example (#177834)
<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>
Similar PRs:

- #177374  
- #177490  
- #177540  
- #177541  
- #177542



## Pre-launch Checklist

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2025-11-04 17:05:25 +00:00
Mohellebi abdessalem
ea39ca751e
Replace deprecated withOpacity in radio.1.dart example (#177606)
Original PR that was intended to fix all examples:  
- #177205  

It was later split into smaller PRs due to a major misunderstanding and
test failures caused by color values not matching exactly.

Similar PRs:  
- #177374  
- #177490  
- #177540  
- #177541  
- #177542

<img width="859" height="148" alt="Screenshot 2025-10-27 at 20 09 35"
src="https://github.com/user-attachments/assets/daf13a7b-a157-410a-9feb-dc466128c5a1"
/>

## Pre-launch Checklist

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2025-10-29 04:25:31 +00:00
Mohellebi abdessalem
cd3ccd0bba
Replace deprecated withOpacity in focus_scope.0.dart‎ example (#177542)
Original PR that was intended to fix all examples:  
- #177205  

It was later split into smaller PRs due to a major misunderstanding and
test failures caused by color values not matching exactly.

Similar PRs:  
- #177374  
- #177490  
- #177540  
- #177541  


## Pre-launch Checklist

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2025-10-28 22:27:06 +00:00
Mohellebi abdessalem
5feacac7f7
Replace deprecated withOpacity in interactive_viewer.builder.0.dart (#177541)
Original PR that was intended to fix all examples:  
- #177205  

It was later split into smaller PRs due to a major misunderstanding and
test failures caused by color values not matching exactly.

Similar PRs:  
- #177374  
- #177490  
- #177540  
- #177541  

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
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we expect every widget to implement].
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Fixes] where supported.
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2025-10-28 22:08:59 +00:00
Mohellebi abdessalem
0c979289d8
Replace deprecated withOpacity in interactive_viewer.constrained.0.dart (#177540)
Original PR that was intended to fix all examples:  
- #177205  

It was later split into smaller PRs due to a major misunderstanding and
test failures caused by color values not matching exactly.

Similar PRs:  
- #177374  
- #177490  
- #177540  
- #177541  

## Pre-launch Checklist

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- [x] I read the [Tree Hygiene] wiki page, which explains my
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2025-10-28 22:05:13 +00:00
Mohellebi abdessalem
cb18290fa4
Remove unnecessary deprecated withOpacity in text_button.0.dart‎ in examples (#177374)
taken from #177205

## Pre-launch Checklist

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2025-10-24 17:16:25 +00:00
Mohellebi abdessalem
1eb5c19934
Fix typo in comment about screen availibility (#177168)
fix a small typo i found while #176888

## Pre-launch Checklist

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2025-10-21 22:41:18 +00:00
Mohellebi abdessalem
28a1d0b9be
Update image.error_builder.0.dart to replace the emoji with some text (#176886)
fixes #174805
after some investigation i found that `dart doc ` only understands
`utf-8 encoding` so providing an `emoji` for example breaks it(no crash
but not the intended behavior).

## Pre-launch Checklist

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---------

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2025-10-20 20:40:09 +00:00
Mohellebi abdessalem
5ca32649d3
Updates sliver_tree.1.dart‎ to use MediaQuery.widthOf(context) (#176888)
this change updates `sliver_tree.1.dart`to use
`MediaQuery.widthOf(context)` directly instead of
`MediaQuery.sizeOf(context)` then doing a `.size` .

## Pre-launch Checklist

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2025-10-15 21:26:16 +00:00
Kostia Sokolovskyi
309bde139a
Remove unnecessary nullable types in examples. (#176713)
### Description

- Removes unnecessary `bool?` usage in examples

## Pre-launch Checklist

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2025-10-10 11:16:19 +00:00
Kishan Rathore
7100df24f6
Feat: Add carousel view builder (#172837)
Add carousel view builder named constructor
Fixes: #170692 

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2025-10-08 03:29:35 +00:00
Bruno Leroux
067d793084
Fix TextFormField does not inherit local InputDecorationTheme (#176397)
## Description

This PR replaces global `ThemeData.inputDecorationTheme` usage in
`TextFormField` with `InputDecorationTheme.of ` which returns the
ambient `InputDecorationTheme`.
It is a follow up to https://github.com/flutter/flutter/pull/168981
which introduces `InputDecorationTheme.of `.

## Related Issue

Fixes [TextFormField does not inherit local
InputDecorationTheme](https://github.com/flutter/flutter/issues/176391)

## Tests

- Adds 1 test
2025-10-04 06:55:27 +00:00
Valentin Vignal
f973b2f13c
Migrate to WidgetStateOutlinedBorder (#176270)
Follow up https://github.com/flutter/flutter/pull/176164

Migrate the remaining files from `MaterialStateOutlinedBorder ` to
`WidgetStateOutlinedBorder `. This PR only focus on
`WidgetStateOutlinedBorder`.

- This minimizes conflicts and reduces the size of the PR for easier
reviews and follow up
- I'll work on the other elements of
`packages/flutter/lib/src/material/material_state.dart` into other PRs

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2025-10-01 18:54:58 +00:00
Mohellebi abdessalem
a2c1b383ce
replace onPop usage with onPopWithResult in navigation_bar.2.dart (#174841)
replace the usage of `onPop ` with `onPopWithResult ` to solve the
analyzerr warning

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2025-09-30 23:40:06 +00:00
Kishan Rathore
f9b7f8ad6a
fix: cupertino sheet broken example with programatic pop (#175709)
Add maybePop instead of direct pop to fix navigation in example

fixes: #175390 

## Pre-launch Checklist

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2025-09-24 02:00:53 +00:00
Valentin Vignal
d12d8a409a
Add CupertinoLinearActivityIndicator (#170108)
Fixes https://github.com/flutter/flutter/issues/156167

Continuation of https://github.com/flutter/flutter/pull/156287

<img width="712" alt="Screenshot 2025-06-06 at 10 00 32 AM"
src="https://github.com/user-attachments/assets/d878287f-8236-4acf-80a5-6ecb6d2a09ec"
/>

Native version:


![image](https://github.com/user-attachments/assets/bb28cd01-c7be-481b-bb22-834b65dd35f5)

---

Following team discussions, we've decided to adopt the stadium shape:

https://github.com/flutter/flutter/pull/170108#discussion_r2150889845
https://github.com/flutter/flutter/pull/170108#discussion_r2299927441



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2025-09-19 17:16:21 +00:00
Kishan Rathore
de932b3e09
Refactor: Migrate page transition builder class to widgets (#174321)
Changes
* Move PageTransitionsBuilder from
`material/page_transitions_theme.dart` to
`widget/page_transitions_builder.dart`

part of: #172929

## Pre-launch Checklist

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2025-09-17 17:50:04 +00:00
Tong Mu
e79590cff7
Allow Passing an AnimationController to CircularProgressIndicator and LinearProgressIndicator (#174605)
_This PR is based on https://github.com/flutter/flutter/pull/170380,
completing it with unit tests and docs._

Fix https://github.com/flutter/flutter/issues/165741

Adding this property to the indicators allows all indicators on a same
screen to have synchronized progress, an essential feature for progress
indicators.

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---------

Co-authored-by: Stan Persoons <stan.persoons2@gmail.com>
2025-09-16 19:15:23 +00:00
Valentin Vignal
27ed1b2261
Migrate examples and defaults to WidgetState (#174421)
Follow up of https://github.com/flutter/flutter/pull/174323

This pull request updates the usage of state sets in theme and widget
property resolution logic throughout the codebase, replacing all
instances of `MaterialState` with `WidgetState`. This change ensures
consistency with the newer `WidgetState` API and prepares the code for
future enhancements or compatibility. The update affects component
themes, button styles, property generators, and related tests.


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2025-08-27 01:35:09 +00:00
Jing Shao
cb04accbf2
[iOS][Secure Paste] Custom edit menu actions (#171825)
<!--
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This PR implements support for custom action items in the native edit
menu on iOS, with changes to both framework and engine. This PR will be
updated incrementally until the full feature is complete.

Phase 1: Add hardcoded custom menu item for iOS edit menu.
Phase 2: Add Framework API for custom iOS context menu items.
Phase 3: Add Optimization, Testing, and Documentation. 

Part of https://github.com/flutter/flutter/issues/103163 

Part of https://github.com/flutter/flutter/issues/140184

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

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2025-08-26 05:11:45 +00:00
Justin McCandless
b7e2e2a69d
NavigatorPopScope examples no longer use deprecated onPop. (#174291)
I just noticed that these example are using a deprecated member.
2025-08-25 16:56:10 +00:00
Kostia Sokolovskyi
84662834f9
Add Shift+Enter shortcut example for TextField. (#167952)
Closes https://github.com/flutter/flutter/issues/167902

This PR adds a new `TextField` example which shows how to use
`Shortcuts` and `Actions` widgets to create a custom `Shift+Enter`
keyboard shortcut for inserting a new line.

<video
src="https://github.com/user-attachments/assets/d7379db3-79d2-4029-9f9c-7439c12028b3"/>

## Pre-launch Checklist

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[Features we expect every widget to implement]:
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[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
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[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

---------

Co-authored-by: Loïc Sharma <737941+loic-sharma@users.noreply.github.com>
2025-08-19 18:26:04 +00:00
Loïc Sharma
384331e171
Migrate to list and builder Sliver convenience constructors (#173011)
In 2022, we introduced new convenience constructors like
`SliverList.builder` and `SliverList.list`. Unfortunately, LLMs like
Gemini seem to prefer the delegate pattern even when these convenience
constructors are usable. This updates Flutter's docs, code, and tests to
use these convenience constructors where possible. Hopefully this will
nudge LLMs to consider using the new APIs :)

I migrated 80% of the code by hand, and 20% using Gemini CLI. See
[go/loic-ai-log](http://goto.google.com/loic-ai-log) (Google internal)
for details.

There's a few locations that I wasn't able to migrate to the convenience
constructors due to missing APIs. I filed the following issues:

1. https://github.com/flutter/flutter/issues/173018
2. https://github.com/flutter/flutter/issues/173019

## 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].
- [ ] 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].
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Fixes] where supported.
- [ ] All existing and new tests are passing.

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**Note**: The Flutter team is currently trialing the use of [Gemini Code
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2025-08-04 22:32:22 +00:00
Loïc Sharma
443f6760b1
Add a SliverList code sample (#172986)
This adds a code sample to `SliverList`. It shows off the
`SliverList.builder` convenience constructor. Hopefully this will guide
LLMs to using this instead of manually creating a delegate.

## 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].
- [ ] 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].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
Assist for
GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code).
Comments from the `gemini-code-assist` bot should not be taken as
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[CLA]: https://cla.developers.google.com/
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-07-31 16:14:07 +00:00
Ricardo Dalarme
56d5389456
Migrate to null aware elements - Part 5 (#172418)
## 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

- https://github.com/flutter/flutter/pull/172198
- https://github.com/flutter/flutter/pull/172306
- https://github.com/flutter/flutter/pull/172307
- https://github.com/flutter/flutter/pull/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.
2025-07-30 18:40:09 +00:00
Kishan Rathore
89b7248437
Feat: Add momentary varient of CupertinoSlidingSegmentedControl (#164262)
This PR introduces a new boolean flag, `isMomentary`, to the
`CupertinoSlidingSegmentedControl` widget.

When `isMomentary` is set to `true`, the segmented control behaves like
a momentary switch. Selecting a segment triggers its associated action
(e.g., via `onValueChanged`), but the segment doesn't stay visually
selected after the interaction ends. The control visually returns to its
previous state or a default state (often no segment selected).

When `isMomentary` is `false` (the default behavior), the control
maintains the selection state visually, highlighting the last chosen
segment.

**Motivation**

Currently, `CupertinoSlidingSegmentedControl` always maintains a
selected state. There are use cases where developers might want to use
the segmented control purely for triggering actions without persisting a
visual selection state, similar to how a `UISegmentedControl` can be
configured on iOS with `isMomentary = true`. This provides more
flexibility and aligns the Flutter widget closer to its native
counterpart's capabilities.

For example, this could be useful for triggering sorting actions, view
changes, or other immediate operations where maintaining a persistent
"selected" state isn't desired or meaningful.

**Related Issues**
fixes: #164077 

**Videos**
UISegmentedControl behaviour when `isMomentary` flag is set to true.

https://github.com/user-attachments/assets/84d00312-4530-4b7a-9696-142f60ad89c0

CupertinoSlidingSegmentedControl behaviour when `isMomentary` flag is
set to true.

https://github.com/user-attachments/assets/b308b4fa-e641-417a-a518-4e0908876eed

## 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.
2025-07-21 20:59:34 +00:00
Tong Mu
1f0041eb96
Add dartpad example to RoundedSuperellipseBorder (#172185)
Now that Web supports squircles, we can finally add this dartpad example
to `RoundedSuperellipseBorder`'s doc.



https://github.com/user-attachments/assets/855be690-d9a1-45ec-a262-e0c38cf75b63


## 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 -->
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[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
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[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
2025-07-16 03:52:06 +00:00
Justin McCandless
9b93519698
Route transition duration (#171109)
We need a robust way to get the duration of a route transition in tests,
so that tests can remain independent of the type of route transition and
its duration.

With this PR, this will be the canonical way to pump until a page
transition has finished:

```dart
testWidgets('example', (WidgetTester tester) async {
  final TransitionDurationObserver observer = TransitionDurationObserver();

  await tester.pumpWidget(
    MaterialApp(
      navigatorObservers: <NavigatorObserver>[observer],
      onGenerateRoute: (RouteSettings settings) { ... },
    ),
  );

  expect(find.text('Page 1'), findsOneWidget);
  expect(find.text('Page 2'), findsNothing);

  // Pump through the whole transition.
  await tester.tap(find.text('Next'));
  await observer.pumpPastTransition(tester);

  expect(find.text('Page 1'), findsNothing);
  expect(find.text('Page 2'), findsOneWidget);

  // Or, pump through part of a transition with the duration.
  await tester.tap(find.text('Back'));
  await tester.pump(observer.transitionDuration ~/ 2);

  expect(find.text('Page 1'), findsOneWidget);
  expect(find.text('Page 2'), findsOneWidget);
});
```

This was spun out of https://github.com/flutter/flutter/pull/165832,
where updating the default route transition and its duration broke tests
in the framework, in customer tests, and in Google tests.

FYI @chrisbobbe

---------

Co-authored-by: Jing Shao <87506348+jingshao-code@users.noreply.github.com>
2025-07-14 22:49:04 +00:00
Renzo Olivares
220477fc2c
SliverSemantics (#167300)
Fixes #166785 

## 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.

---------

Co-authored-by: Renzo Olivares <roliv@google.com>
2025-07-08 16:53:24 +00:00
Kate Lovett
a04fb324be
Bump Dart to 3.8 and reformat (#171703)
Bumps the Dart version to 3.8 across the repo (excluding
engine/src/flutter/third_party) and applies formatting updates from Dart
3.8.

## 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].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] 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]:
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[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-07-07 17:58:32 +00:00
Valentin Vignal
10298edaab
Add innerRadius to Radio (#171331)
Part of https://github.com/flutter/flutter/issues/168787

Add the ability to customize the inner radius of the `Radio` button


https://github.com/user-attachments/assets/234fffda-f42f-463f-bc97-284c160c86ef

<img width="274" alt="Screenshot 2025-06-28 at 6 23 11 PM"
src="https://github.com/user-attachments/assets/45a0525d-ff94-4fb3-85d3-0d2353b39e98"
/>

## 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
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<!-- Links -->
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[CLA]: https://cla.developers.google.com/
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[breaking change policy]:
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[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-07-02 18:38:06 +00:00
Valentin Vignal
f83d842347
Add side to Radio (#171217)
Part of https://github.com/flutter/flutter/issues/168787

This PR adds `side` parameter to `Radio` to be able to control its color
and width.

This allows me to implement something like:


https://github.com/user-attachments/assets/8065df9b-4cea-48b6-ba34-21379a831a2e

In order to make it non breaking, when absent, it uses the `fillColor`


## 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 -->
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[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
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[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-06-27 17:48:00 +00:00
davidhicks980
86767f6663
[widgets/raw_menu_anchor.3.dart] Replace arrow character with Icon in RawMenuAnchor submenu example (#171218)
Replaces the arrow character with an icon on the RawMenuAnchor animated
submenu example. Currently, submenu arrows render as gibberish.
Apologies to chunhtai since this is the second time I've done this.

<img width="500" alt="image"
src="https://github.com/user-attachments/assets/866220e3-3d09-4502-9aee-211dc333822d"
/>

## 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 -->
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[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-06-27 07:29:28 +00:00
davidhicks980
dfadc91433
Add RawMenuAnchor animation callbacks (#167806)
Alternative to https://github.com/flutter/flutter/pull/163481,
https://github.com/flutter/flutter/pull/167537,
https://github.com/flutter/flutter/pull/163481 that uses callbacks.

@dkwingsmt - you inspired me to simplify the menu behavior. I didn't end
up using Actions, mainly because nested behavior was unwieldy and
capturing BuildContext has drawbacks. This uses a basic callback
mechanism to animate the menu open and closed. Check out the examples.

<hr />

### The problem
RawMenuAnchor synchronously shows or hides an overlay menu in response
to `MenuController.open()` and `MenuController.close`, respectively.
Because animations cannot be run on a hidden overlay, there currently is
no way for developers to add animations to RawMenuAnchor and its
subclasses (MenuAnchor, DropdownMenuButton, etc).

### The solution
This PR:
- Adds two callbacks -- `onOpenRequested` and `onCloseRequested` -- to
RawMenuAnchor.
- onOpenRequested is called with a position and a showOverlay callback,
which opens the menu when called.
- onCloseRequested is called with a hideOverlay callback, which hides
the menu when called.

When `MenuController.open()` and `MenuController.close()` are called,
onOpenRequested and onCloseRequested are invoked, respectively.

Precursor for https://github.com/flutter/flutter/pull/143416,
https://github.com/flutter/flutter/issues/135025,
https://github.com/flutter/flutter/pull/143712

## Demo


https://github.com/user-attachments/assets/bb14abca-af26-45fe-8d45-289b5d07dab2

```dart
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// ignore_for_file: public_member_api_docs

import 'dart:ui' as ui;

import 'package:flutter/material.dart' hide MenuController, RawMenuAnchor, RawMenuOverlayInfo;

import 'raw_menu_anchor.dart';

/// Flutter code sample for a [RawMenuAnchor] that animates a simple menu using
/// [RawMenuAnchor.onOpenRequested] and [RawMenuAnchor.onCloseRequested].
void main() {
  runApp(const App());
}

class Menu extends StatefulWidget {
  const Menu({super.key});

  @override
  State<Menu> createState() => _MenuState();
}

class _MenuState extends State<Menu> with SingleTickerProviderStateMixin {
  late final AnimationController animationController;
  final MenuController menuController = MenuController();

  @override
  void initState() {
    super.initState();
    animationController = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 300),
    );
  }

  @override
  void dispose() {
    animationController.dispose();
    super.dispose();
  }

  void _handleMenuOpenRequest(Offset? position, void Function({Offset? position}) showOverlay) {
    // Mount or reposition the menu before animating the menu open.
    showOverlay(position: position);

    if (animationController.isForwardOrCompleted) {
      // If the menu is already open or opening, the animation is already
      // running forward.
      return;
    }

    // Animate the menu into view. This will cancel the closing animation.
    animationController.forward();
  }

  void _handleMenuCloseRequest(VoidCallback hideOverlay) {
    if (!animationController.isForwardOrCompleted) {
      // If the menu is already closed or closing, do nothing.
      return;
    }

    // Animate the menu out of view.
    //
    // Be sure to use `whenComplete` so that the closing animation
    // can be interrupted by an opening animation.
    animationController.reverse().whenComplete(() {
      if (mounted) {
        // Hide the menu after the menu has closed
        hideOverlay();
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return RawMenuAnchor(
      controller: menuController,
      onOpenRequested: _handleMenuOpenRequest,
      onCloseRequested: _handleMenuCloseRequest,
      overlayBuilder: (BuildContext context, RawMenuOverlayInfo info) {
        final ui.Offset position = info.anchorRect.bottomLeft;
        return Positioned(
          top: position.dy + 5,
          left: position.dx,
          child: TapRegion(
            groupId: info.tapRegionGroupId,
            child: Material(
              color: ColorScheme.of(context).primaryContainer,
              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
              elevation: 3,
              child: SizeTransition(
                sizeFactor: animationController,
                child: const SizedBox(
                  height: 200,
                  width: 150,
                  child: Center(child: Text('Howdy', textAlign: TextAlign.center)),
                ),
              ),
            ),
          ),
        );
      },
      builder: (BuildContext context, MenuController menuController, Widget? child) {
        return FilledButton(
          onPressed: () {
            if (animationController.isForwardOrCompleted) {
              menuController.close();
            } else {
              menuController.open();
            }
          },
          child: const Text('Toggle Menu'),
        );
      },
    );
  }
}

class App extends StatelessWidget {
  const App({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue)),
      home: const Scaffold(body: Center(child: Menu())),
    );
  }
}

```

## 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 -->
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---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2025-06-24 17:46:50 +00:00
Bruno Leroux
0adb0337e0
Deprecate DropdownButtonFormField "value" parameter in favor of "initialValue" (#170805)
## Description

This PR renames the DropdownButtonFormField constuctor parameter 'value'
to 'initialValue'.
See
https://github.com/flutter/flutter/pull/170050#issuecomment-2965486000
and
https://github.com/flutter/flutter/pull/170050#issuecomment-2971920009
for some context.

## Related Issue

Fixes [DropdownButtonFormField retains selected value even after setting
value to null](https://github.com/flutter/flutter/issues/169983#top)

## Tests

Adds 2 tests (one to validate the deprecated parameter can still be
used, one for the dart fix).
Updates many (renaming the confusing parameter).
2025-06-24 07:08:21 +00:00
Bruno Leroux
de3f804590
Normalize input decoration theme (#168981)
This PR is to make `InputDecorationTheme` conform to Flutter Material's
conventions for component themes:

- Added a `InputDecorationThemeData` class which defines overrides for
the defaults for `InputDecorator` properties.
- Added `InputDecorationTheme` constructor parameters:
`InputDecorationThemeData? data` and `Widget? child`. This is now the
preferred way to configure a `InputDecorationTheme`:

```dart
InputDecorationTheme(
	data: InputDecorationThemeData(
	    filled: true,
	    fillColor: Colors.amber,
	    ...
	  ),
  	child: const TextField()
)
```
These two properties are made nullable to not break existing apps which
has customized `ThemeData.inputDecorationTheme`.

- Update `InputDecorationTheme` to be an `InheritedTheme` subclass.
- Changed the type of component theme defaults from
`InputDecorationTheme` to `InputDecorationThemeData`.
- Changed the `InputDecorationTheme bottomAppBarTheme` property to
`Object? bottomAppBarTheme` in `ThemeData` and `ThemeData.copyWith()`
(Object? is used for the moment to minimize Google tests failure. A
follow-up PR will replace `Object?` with `InputDecorationThemeData`.
- Addresses the "theme normalization" sub-project within #91772.

A migration guide will be created on website repo.
2025-06-21 23:02:13 +00:00
Dipali Thakare
74ff8767a7
Add example for CupertinoExpansionTile transition modes (#170335)
This PR adds a combined example for the CupertinoExpansionTile widget,
demonstrating its usage with both available transition modes: fade and
scroll.

**A demo app showing two CupertinoExpansionTile widgets:**

- One using the default fade transition mode

- One using the scroll transition mode

A corresponding widget test verifying expand/collapse behavior for both
tiles

### Issue
Closes: #167317

## Tests

- Added widget tests to validate the expand and collapse behavior for
both transition modes




## Pre-launch Checklist

- [x] I read the [Contributor
Guide](https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview)
and followed the process outlined there for submitting PRs.
- [x] I read the [Tree
Hygiene](https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md)
wiki page, which explains my responsibilities.
- [x] I read and followed the [Flutter Style
Guide](https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md),
including [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).
- [x] I signed the [CLA](https://cla.developers.google.com/).
- [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](https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests).
- [x] I followed the [breaking change
policy](https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes)
and added [Data Driven
Fixes](https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md)
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](https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md).
2025-06-18 06:52:21 +00:00
chunhtai
d0058ec361
Adds radio group widget r2 (#168161)
<!--
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previous https://github.com/flutter/flutter/pull/167363

I have to factor out abstract class for RadioGroupRegistry and
RadioClient which are subclassed by RadioGroupState and RawRadio
respectively.

I have to do this because the RadioListTile that has 2 focusnode one for
listTile and one for the radio it builds. The issue is that RadioGroup's
keyboard shortcut has to tightly couples with the focus node of each
radio, but the radioListtile has to mute the radio's focusnode so it can
act as one control under keyboard shortcut

d582b35809/packages/flutter/lib/src/material/radio_list_tile.dart (L484)

Therefore i abstract the out the logic of RadioGroup so that another
widget can participate by implementing the interface.

fixes https://github.com/flutter/flutter/issues/113562

migration guide: https://github.com/flutter/website/pull/12080/files

## 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
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2025-06-02 19:03:51 +00:00
LongCatIsLooong
30fe6e7857
Wire up the system text scaler from PlatformDispatcher (#159999)
The equality of 2 `SystemTextScaler` is determined by the platform's
`textScaleFactor` scalar, because the `scale` method is always
monotonically increasing wrt `textScaleFactor`.
On Android the scalar reflects the user configuration in system
preference it seems:
https://developer.android.com/reference/android/content/res/Configuration#fontScale

## 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
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<!-- Links -->
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2025-05-13 23:52:05 +00:00
Qun Cheng
826d065919
Revert "Wire up MenuAnchor, MenuBar, MenuItem-related widgets to aria roles (#165596)" (#168339)
This reverts commit 417f47fda55e5ef0505a84ca9ce558ac287a5d25.

Fixes https://github.com/flutter/flutter/issues/168185

## Pre-launch Checklist

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we expect every widget to implement].
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- [ ] I listed at least one issue that this PR fixes in the description
above.
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2025-05-05 23:57:33 +00:00