9549 Commits

Author SHA1 Message Date
nmarci89
f8aaee5694
Fix P3-to-sRGB color conversion to operate in linear light (#181720)
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### Problem
The P3-to-sRGB color conversion applies an affine matrix directly to
gamma-encoded values in both the C++ engine (`dl_color.cc`) and Dart
(`painting.dart`). This is mathematically incorrect — color space
conversion matrices must operate in linear light. The result is P3
colors that appear nearly identical to sRGB instead of showing the full
gamut difference.
For example, P3 `#1ECAD3` (30/255, 202/255, 211/255) converts to:
- **Old (wrong):** extendedSRGB (-0.12, 0.86, 0.87)
- **New (correct):** extendedSRGB (-0.38, 0.81, 0.84)
The red channel error of 0.26 is clearly visible — colors appear washed
out instead of vivid.

### Fix
Replace the single affine matrix multiply with the correct 3-step
pipeline:
1. **Linearize** — decode gamma via sRGB EOTF
2. **Transform** — apply 3x3 P3-to-sRGB matrix in linear space
3. **Encode** — re-apply gamma via sRGB OETF
Extended range (negative values from out-of-gamut colors) is handled by
mirroring the transfer function.
**C++ (`dl_color.cc`):** Replace affine matrix with `p3ToExtendedSrgb()`
using `double` precision.
**Dart (`painting.dart`):** Replace `_MatrixColorTransform` with
`_P3ToSrgbTransform` and `_SrgbToP3Transform` classes. Also fixes the
sRGB-to-P3 direction.

### Performance
Negligible. The C++ conversion runs once per paint setup in `ReadColor`,
not per frame or per pixel. The Dart conversion runs once per
`Color.withValues()` call.

### Tests
- **C++:** Added `ColorSpaceP3ToExtendedSRGBLinearLight` test in
`dl_color_unittests.cc`
- **Dart:** Added 3 tests in `colors_test.dart`: mid-range
P3→extendedSRGB, P3 green→extendedSRGB, sRGB→P3 round-trip
All new tests fail with the old code and pass with the fix. Existing
tests continue to pass.

## Issue:
https://github.com/flutter/flutter/issues/181717

## Pre-launch Checklist

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- [ ] All existing and new tests are passing. **New tests pass, can't
run golden tests!**

---------

Co-authored-by: gaaclarke <30870216+gaaclarke@users.noreply.github.com>
2026-01-30 20:53:45 +00:00
Kazbek Sultanov
32aef9f3e2
Enhance error handling of WidgetsBindingObserver callbacks (#181174)
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Wraps all 16 WidgetsBindingObserver callback invocations in try-catch
blocks to prevent silent failures and ensure all observers are notified
even when one throws an exception.

Previously, exceptions in observer callbacks would either:
- Be silently discarded (method channel handlers)
- Prevent subsequent observers from being notified

Now, exceptions are properly reported via FlutterError.reportError and
all observers continue to receive notifications.

Fixes flutter/flutter#180434
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---------

Co-authored-by: Mohellebi Abdessalem <116356835+AbdeMohlbi@users.noreply.github.com>
2026-01-30 10:46:26 +00:00
Anish Tiwari
1b5b0d787c
180162 fix radio list tile and switch list tile accept widget states controller (#180367)
fixes #180162  
RadioListTile, CheckboxListTile, and SwitchListTile accepts a
WidgetStatesController for their backing ListTile

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
Co-authored-by: Qun Cheng <36861262+QuncCccccc@users.noreply.github.com>
2026-01-29 20:35:57 +00:00
Kishan Rathore
130808cb68
Add TestWidgetsApp utility and refactor widget tests to use WidgetsApp (#180456)
This PR introduces a TestWidgetsApp utility class that provides a
minimal WidgetsApp wrapper for widget tests, replacing direct usage of
Directionality widgets.

part of: #177415 

## Changes
- test_widgets_app.dart - A reusable TestWidgetsApp widget that wraps
WidgetsApp with a builder pattern, providing Directionality, MediaQuery,
and other app-level widgets that WidgetsApp provides.
- gesture_detector_test.dart - Replaced 9 Directionality usages
- mouse_region_test.dart - Replaced 13 Directionality usages
- opacity_test.dart - Replaced 2 Directionality usages
- slivers_evil_test.dart - Replaced 3 Directionality usages and removed
redundant MediaQuery wrappers

## Note
- This PR updates golden test baselines for opacity_test.dart.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
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2026-01-29 17:29:01 +00:00
Renzo Olivares
478367652c
Add TestTextField and migrate tests (#180494)
This PR introduces the convenience widget `TestTextField` in the
framework widget tests. This new widget should be used in place of
convenient `TextField` or `CupertinoTextField` usages in the widgets
library tests.

part of: #177415

## Pre-launch Checklist

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[test-exempt].
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---------

Co-authored-by: Renzo Olivares <roliv@google.com>
2026-01-29 17:21:52 +00:00
Navaron Bracke
3e6c207166
Deprecate onReorder callback (#178242)
This pull request deprecates the old `onReorder` callback of
`ReorderableList` / `SliverReorderableList` / `ReorderableListView`, in
favor of a new callback, `onReorderItem`, that does the index correction
as mentioned in the docs at
https://api.flutter.dev/flutter/widgets/ReorderCallback.html

I added tests to ensure that the old callback is preferred when both are
provided and tests that assert that the new callback does the index
correction correctly. I also noticed that some tests used empty
callbacks for `onReorder`, those have been updated to use wildcards in a
consistent manner.

I did not opt into making a design doc, since the change itself is very
small, that will also be apparent in the migration guide that I am going
to write.

Fixes https://github.com/flutter/flutter/issues/127901
Fixes https://github.com/flutter/flutter/issues/169878

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

TODO: add a migration guide on the website

## Pre-launch Checklist

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---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-29 16:19:26 +00:00
Dmytro Turskyi
056c01581b
Add isDark, isLight, and isSystem getters to ThemeMode (#181475)
Adds boolean convenience getters (`isDark`, `isLight`, `isSystem`) to
`ThemeMode`.

This change improves readability and ergonomics when branching on
`ThemeMode` values by
providing named, self-documenting getters instead of repeated equality
checks
(e.g. `themeMode == ThemeMode.dark`). The addition is non-breaking and
does not
change any existing behavior.

Example:

Before:
if (themeMode == ThemeMode.dark) {
  ...
}

After:
if (themeMode.isDark) {
  ...
}

No tests were added as this change introduces simple enum getters with
no logic
beyond value comparison and does not alter runtime behavior.
2026-01-29 16:14:09 +00:00
davidhicks980
e1e029d26d
[material/menu_anchor.dart] Add animations to MenuAnchor. (#176494)
* Adds MD3 animations to MenuAnchor. 
* Adds a "hoverOpenDelay" parameter on `SubmenuButton`
* Moves the layout algorithm from SingleChildLayoutDelegate to a custom
render object. <s>This was done because I needed to access the dry
layout of the menu panel for the best effect. I'll demonstrate
below.</s> Turns out using dry layout significantly limits what children
you can use with a widget. As a result, I'm calculating the final height
using the inverse height factor.

Fixes https://github.com/flutter/flutter/issues/135025

I don't have access to the internal Google documentation, so I did my
best to deduce the spec from
https://github.com/material-components/material-web/blob/main/menu/internal/menu.ts.

This change is currently opt-in via an `animated` parameter on
`MenuAnchor` and `SubmenuButton`. As a result, this is not a breaking
change. Because the PR is already quite large, I chose to not add
animation customization to this PR. I also didn't change any theming
files or `DropdownMenu`.

The only other API addition is a `hoverOpenDelay` parameter on
`SubmenuButton`. This parameter delays the start of a submenu opening by
the specified duration. It is independent of the `animated` parameter.

When `animated == false`, the menu runs its forward and reverse
animations with a duration of 0. I originally disposed of all animation
assets when `animated` was false, but found that the code/testing
complexity to be unwieldy.

<s>Blocked by https://github.com/flutter/flutter/pull/176503</s>

## Examples

* Basic example adapted from material-web


https://github.com/user-attachments/assets/e6d02fab-e11c-4dce-ab82-2fb39c1111e0

* Example showing scrollbar 


https://github.com/user-attachments/assets/847054ba-7218-4e73-9835-019bfa7b5521

* MenuBar usage


https://github.com/user-attachments/assets/8231b1cd-c40c-4f18-af87-1b77b43ecb7b

Thanks to @QuncCccccc and @dkwingsmt for [their work on this
issue.](https://github.com/flutter/flutter/pull/143416) Sorry for
throwing a wrench into the original PR by introducing `RawMenuAnchor`...

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2026-01-29 00:56:42 +00:00
LongCatIsLooong
f4c83de1bf
Send statusBarTouch events via dedicated messages (#179643)
Instead of using fake touch events. 

Before this patch `FlutterViewController` sends two fake touch events
(down and up), at `(0, 0)` to the framework to signal that the status
bar is tapped on iOS. The scaffold widget and the cupertino page
scaffold widget set up gesture detectors to listen for these fake taps,
and scroll the "primary" scrollable container to the top in response.

This messaging mechanism is sometimes ambiguous, as the framework may
interpret that as a pair of regular pointer tap events (for instance in
#177992 the modal barrier claims the tap gesture and as a result the
modal barrier is dismissed by the fake touch events). This PR changes
that to communicate the status bar tap event via a new system channel,
and dispatch the events via `WidgetsBindingObserver`s in the framework.

See also
https://github.com/flutter/flutter/issues/177992#issuecomment-3499913265

Fixes #177992, fixes #175606

It appears that UIKit also has access to the coordinates of the touch
events to determine which scrollable view(s?) to dispatch the scroll to
top event to.
```objc
  * frame #0: 0x00000001032f6520 UIPlayground.debug.dylib`MyScrollViewController.scrollViewShouldScrollToTop(scrollView=0x0000000106014800) at UIScrollView.swift:13:3
    frame #2: 0x00000001867c9300 UIKitCore`-[UIScrollView _scrollToTopIfPossible:] + 316
    frame #3: 0x00000001867c9604 UIKitCore`-[UIScrollView _scrollToTopFromTouchAtScreenLocation:resultHandler:] + 40
    frame #4: 0x0000000186299bbc UIKitCore`__71-[UIWindow _scrollToTopViewsUnderScreenPointIfNecessary:resultHandler:]_block_invoke.358 + 168
    frame #5: 0x000000018629981c UIKitCore`-[UIWindow _scrollToTopViewsUnderScreenPointIfNecessary:resultHandler:] + 1212
    frame #6: 0x000000018581ed8c UIKitCore`-[UIStatusBarManager _handleScrollToTopAtXPosition:] + 192
    frame #7: 0x000000018581eb60 UIKitCore`-[UIStatusBarManager handleTapAction:] + 60
```
Unfortunately that information is not available to user application. The
iOS accessibility bridge currently does create dummy UIScrollViews for
each scrollable in the accessibility tree so may be we can take
advantage of that in the future.

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2026-01-28 21:35:18 +00:00
August
047c0bd568
test: Improve DropdownMenuFormField tests (#181369)
Resolves
https://github.com/flutter/flutter/pull/181367#discussion_r2719670803

The test was still valid as `DropdownMenuFormField` includes
`DropdownMenu` and therefore could select the desired MenuItemButton.

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2026-01-28 21:04:17 +00:00
Huy
8268427c5e
Fix todayBorder todayBorder color is incorrectly overridden by todayForegroundColor in CalendarDatePicker (#178792)
- Fix https://github.com/flutter/flutter/issues/177911
- In this PR:
- Avoid auto-overriding border side color with `dayForegroundColor` when
users specify an explicit border color
    - Improve `todayBorder` documentation to clarify cases can happen.
- Add an opacity check: this is because if we don't respect/specify an
explicit border color, we still need to keep enabled/disabled states
(state-aware) that `dayForegroundColor` always does:


de3f804590/packages/flutter/lib/src/material/date_picker_theme.dart (L1174)

So we need a fallback compatibility here:

```dart
final bool hasCustomBorderColor =
        datePickerTheme.todayBorder != null && datePickerTheme.todayBorder?.color.opacity != 0.0;
    final BorderSide todayBorderSide = hasCustomBorderColor
        ? datePickerTheme.todayBorder!
        : (datePickerTheme.todayBorder ?? defaults.todayBorder!).copyWith(
            color: dayForegroundColor,
          );
```

- Added 3 tests in `calendar_date_picker_test.dart‎`.
- Update test data in `date_picker_theme_test.dart`: Updated todayBorder
from `BorderSide(width: 3)` to `BorderSide(width: 3, color:
Color(0x00000000))` to maintain backward compatible behavior in tests:
after changing color to transparent, it should fall back to
`todayForegroundColor`. This is because the test's real purpose was to
verify theme properties work, and it was expecting foreground color
(which is the bug reported).

<details open>
<summary>Demo</summary>

| Before | After |
| --------------- | --------------- |
<img width="400"
src="https://github.com/user-attachments/assets/59c70071-d278-46f8-a566-40589cf01f9a">
| <img width="400"
src="https://github.com/user-attachments/assets/a4309fb0-7360-4c11-a9c1-dd1f1ebf9190">
</details>

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---------

Signed-off-by: huycozy <huy@nevercode.io>
Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-28 08:27:34 +00:00
Kishan Rathore
e4925ec393
feat: add RoundedSuperellipseInputBorder (#177220)
# Whats new

* Add RoundedSuperellipseInputBorder

fixes: #176987 

## Pre-launch Checklist

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2026-01-28 06:53:58 +00:00
Kishan Rathore
3b449c84d3
feat: add onEnd to AnimatedCrossFade (#181455)
feat: add onEnd to AnimatedCrossFade
fixes: #180682 

## Pre-launch Checklist

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2026-01-28 02:26:24 +00:00
Luan Nico
cda9a5f9d5
test: Clarify failure messages on gestures/debug_test.dart (#181109)
Clarify failure messages on `gestures/debug_test.dart`.

Extracted from https://github.com/flutter/flutter/pull/176968 in an
attempt to keep it simpler.
This just adds a custom error message to all asserts on the `Gesture
details debugFillProperties` test, making it clear _which_ event broke
the test. While we don't expect tests to break, while developing, this
can save several minutes of guesswork.

## Pre-launch Checklist

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[test-exempt].
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Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-28 00:41:06 +00:00
Ahmed Mohamed Sameh
a01a411a91
Make sure that an AnimatedPadding doesn't crash in 0x0 environment (#181235)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the AnimatedPadding
widget.
2026-01-27 23:05:02 +00:00
Ahmed Mohamed Sameh
7a84ebcc57
Make sure that an ImageFiltered doesn't crash at 0x0 environment (#181067)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the ImageFiltered
widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-27 22:13:53 +00:00
Kazbek Sultanov
31949a0037
Fix remove material import box decoration test (#181253)
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Removed material import in `box_decoration_test.dart`. Replaces colors
to consts.

Part of https://github.com/flutter/flutter/issues/177415
        
## Pre-launch Checklist

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2026-01-27 22:12:05 +00:00
Ahmed Mohamed Sameh
2e64b79fd9
Make sure that an AnimatedAlign doesn't crash in 0x0 environment (#181361)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the AnimatedAlign
widget.
2026-01-27 22:10:04 +00:00
Ahmed Mohamed Sameh
1c0ccb5ce6
Make sure that an ImageIcon doesn't crash in 0x0 environment (#181099)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the ImageIcon widget.

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-27 22:10:03 +00:00
Ahmed Mohamed Sameh
d93e2d4b82
Make sure that an AnimatedContainer doesn't crash in 0x0 environment (#181198)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the AnimatedContainer
widget.
2026-01-27 22:08:04 +00:00
Ahmed Mohamed Sameh
eca46191b0
Make sure that an AnimatedRotation doesn't crash in 0x0 environment (#181486)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the AnimatedRotation
widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-27 22:08:04 +00:00
Ahmed Mohamed Sameh
d36957f411
Make sure that an AnimatedPositionedDirectional doesn't crash in 0x0 … (#181451)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the
AnimatedPositionedDirectional widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-27 22:08:04 +00:00
Christoph Prenissl
cba43b9d3f
Fix Range Slider issue where indescrete ranges lead to out of range r… (#181082)
*These change fixes a problem when during a drag that took the
minThumbSepartionValue into account led to a value outside of the
allowed range of (0.0, 1.0) which caused a exception in rebuild where
assert is used to check for that range.*

Fixes issue #180984 

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---------

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-27 00:03:33 +00:00
Ivone Djaja
a1327012f4
Add alignment to SizeTransition (#177895)
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Remove `axisAlignment` and add `alignment` to fix
https://github.com/flutter/flutter/issues/19850

*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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2026-01-26 21:37:22 +00:00
Mitchell Goodwin
7411f3fe56
CupertinoSheetRoute with scrolling and dragging (#177337)
Fixes #161687

Enables scrollable content within the sheet to work together with the
dragging animation.

Flutter:


https://github.com/user-attachments/assets/3a9994e3-078a-410e-8288-95592713ab39



Native:


https://github.com/user-attachments/assets/c0bd46fb-26f5-41a6-bf42-6c78c23ddf34

Fling when scrolling to the top vs fling when the scrollable content is
already at the top


https://github.com/user-attachments/assets/e934facc-36d2-4e81-9ccd-a3e9dd7b6201



When scrolling is enabled, then the sheet will no longer have a drag
gesture recognizer over the sheet content, and will instead rely on the
scrollable content to trigger the drag. A non-scrolling area can be
wrapped with `CupertinoSheetDragArea` to put a drag gesture recognizer
only on that area, convenient for navbars. See
[cupertino_sheet.3.dart](https://github.com/flutter/flutter/pull/177337/files#diff-3df71aa5e6ddb6184007a85e847a9a4883515697b7014764e1978d240d72e0e1)
for a full example.

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2026-01-23 21:06:33 +00:00
Kazbek Sultanov
9ca1e1dcec
Remove unnecessary Material import from dialog_test.dart (#181249)
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Replace Colors.red with hex value Color(0xFFF44336) to remove the
Material import dependency from the Cupertino dialog test file. The test
is Cupertino-specific and doesn't require Material.

Part of https://github.com/flutter/flutter/issues/177412

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2026-01-23 12:24:53 +00:00
Mairramer
0ab063e989
Reset TextFormField to initial value after state change (#181199)
Fixes flutter/flutter#180056
Fixes flutter/flutter#104975

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2026-01-23 11:11:06 +00:00
Kazbek Sultanov
4e00cfc25a
Remove unnecessary Material import from sliver_visibility_test (#181248)
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Remove the Material import from sliver_visibility_test.dart since it's
only testing SliverVisibility, a widgets-level component. The test
doesn't need Material-specific functionality - it only uses
DefaultWidgetsLocalizations.delegate which provides sufficient
localization support.

Changes:
- Replaced `import 'package:flutter/material.dart'` with `import
'package:flutter/widgets.dart'`
- Removed `DefaultMaterialLocalizations.delegate` from the localizations
delegates list

This helps with the decoupling of Material and Cupertino from the core
framework.

Part of #177412

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2026-01-23 06:59:15 +00:00
Lilian Cadiou
0bdd3135c8
Add bottom navigation bar item semantics label (#180577)
Fix [#180621](https://github.com/flutter/flutter/issues/180621)

This PR adds a semanticsLabel for the BottomNavigationBarItem.



While this PR addresses the need for a semanticsLabel, it's worth noting
that replacing the current "String label" parameter with a "Widget
label" could be a more flexible long-term solution in the
BottomNavigationBarItem. This approach would allow full control over the
label's content and appearance.

However, this would be a breaking change.

## Pre-launch Checklist

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---------

Co-authored-by: Lilian Cadiou <lilian_cadiou@ext.connect-tech.sncf>
2026-01-23 06:59:13 +00:00
Mitchell Goodwin
2598fe53f2
Make topGap not required for CupertinoSheetTransition (#181269)
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#171348 made a breaking change that was missed by adding a required
parameter to a public class. See this
[comment](https://github.com/flutter/flutter/pull/171348#discussion_r2712941065).

This PR removes the required parameter and has the value default to the
same value used elsewhere.


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Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-23 06:15:12 +00:00
August
91a8eb92eb
Revert DropdownMenu non-nullable breaking change (#181074)
As explained in #180121 the PR #176711 is a breaking change, which must
be properly documented.

Closes #180121

*If you had to change anything in the [flutter/tests] repo, include a
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2026-01-23 02:12:09 +00:00
Kostia Sokolovskyi
380c8b4a65
Add ExpansibleController.toggle method. (#181320)
Closes https://github.com/flutter/flutter/issues/181319

### Description

- Adds `ExpansibleController.toggle` method
- Adds test to verify that `ExpansibleController.toggle` works as
expected


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---------

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-22 23:16:57 +00:00
Srivats Venkataraman
57911ef6dd
Fixes Typo in codebase (#181256)
Fixes: #181153


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---------

Co-authored-by: Hannah Jin <jhy03261997@gmail.com>
2026-01-22 23:11:34 +00:00
Ahmed Mohamed Sameh
b6efca7440
Make sure that a Hero doesn't crash in 0x0 environment (#180954)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the Hero widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-22 22:59:07 +00:00
Kazbek Sultanov
04743256d9
Fix remove material import textfield (#181254)
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Removed material import in `text_field_restoration_test.dart`. 
  - Tests passed locally
  - Removed Material import
  - Replaced Material widget with Align (from widgets)
  - Updated cross imports list
  
Part of: https://github.com/flutter/flutter/issues/177412

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2026-01-22 18:33:00 +00:00
Marijua ރ
3feca0c152
[Material] update hourFormat to use Dart 3 switch expression (#181041)
While I was looking through `time.dart`, I noticed that `hourFormat` was
still using the old switch-case style with a lot of boilerplate. Since
we are moving towards Dart 3 patterns, I thought it'd be a good idea to
swap this out for a switch expression. It's much cleaner now and handles
the `TimeOfDayFormat` mapping in just a few lines.

I also realized there weren't any direct tests for this specific
function (it was mostly covered by larger integration tests), so I added
a small test group in `time_test.dart` to make sure every enum value
maps to the right `HourFormat` correctly.

This is a trivial internal refactor and does not fix a specific bug
report, so no issue is linked.

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---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
2026-01-22 04:10:46 +00:00
Ahmed Mohamed Sameh
d947e1ab3a
Make sure that an Icon doesn't crash in 0x0 environment (#181021)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the Icon widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-21 22:58:24 +00:00
Ahmed Mohamed Sameh
3f9dff2a8e
Make sure that a GridPaper doesn't crash in 0x0 environment (#180906)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the GridPaper widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-21 22:44:06 +00:00
Kostia Sokolovskyi
697572a67c
[Android] Add display corner radii support. (#179219)
Closes https://github.com/flutter/flutter/issues/97349
Unblocks https://github.com/flutter/flutter/issues/178463

### Description

This PR focuses only on the Android side.

As was discussed in https://github.com/flutter/flutter/issues/97349, the
iOS API for getting display corner radii is private. The only safe way
to get the radii values is to generate a lookup table ahead and use its
values at runtime. I would be happy to work on the iOS implementation in
a separate PR after this lands.

- Adds `displayCornerRadii` in the physical pixels to the engine's
window metrics
- Adds `displayCornerRadii` support on the Android API 31+
- Adds `displayCornerRadii` in the logical pixels to the `MediaQuery`
- Adds and updates tests

## 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
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- [X] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
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- [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.
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<!-- Links -->
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---------

Co-authored-by: Matt Boetger <matt.boetger@gmail.com>
2026-01-21 18:13:00 +00:00
Ahmed Mohamed Sameh
be2f3bd443
Make sure that a Focus doesn't crash in 0x0 environment (#180674)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the Focus widget.

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-21 18:12:56 +00:00
Emmanuel
d20a814fcb
Add RenderSliver.getMaxPaintRect (#180074)
This PR extracts the `getMaxPaintRect` logic into a shared method in
`RenderSliver`. This helper is required for upcoming changes in #179003
and #179802 to avoid code duplication.

Cc @Piinks 

## 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.
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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.
2026-01-21 00:42:23 +00:00
Ahmed Mohamed Sameh
7401f6a7b0
Make sure that a Form doesn't crash in 0x0 environment (#180792)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the Form widget.

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2026-01-20 23:27:29 +00:00
Ahmed Mohamed Sameh
93ef5e43be
Make sure that an AnimatedSwitcher doesn't crash in 0x0 environment (#180190)
This is my attempt to handle
https://github.com/flutter/flutter/issues/6537 for the AnimatedSwitcher
widget.

---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-01-20 23:08:22 +00:00
Mairramer
c6fad7ac6d
Add leadingIndex to CarouselController and onItemChanged to CarouselView (#180667)
Adds a `leadingIndex` property to CarouselController and an
`onItemChanged` callback to CarouselView.
Closes #169207

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2026-01-20 21:19:17 +00:00
Tong Mu
5d93b2e71b
Improve the algorithm for rounded superellipse paths to work better at very large ratio (#180453)
This PR uses a new algorithm that approximates the superellipse curve
with two conic curves, instead of one cubic curves. This algorithm works
much better at very large ratio. Fixes
https://github.com/flutter/flutter/issues/179875 .

A new playground is added in this PR to show enlarged corner of a
rounded superellipse at very large ratio and compares its path version
and filled version.

<details>
<summary>
For comparison: The best result possible with one cubic curve
</summary>

As the following video shows, the flat segment of the superellipse curve
is the hardest to approximate, since most of its curvature happens near
the right end. The best that a single cubic curve can do is close to a
straight line.


https://github.com/user-attachments/assets/2ed1666d-f96c-4465-9d5c-1f8f4a660bba

Although the largest deviation is only ~1e-6, the "feeling" from the
lack of curvature is sensible as shown in the following screenshot.

<img width="476" height="543" alt="image"
src="https://github.com/user-attachments/assets/6e6b96ed-80b3-487c-b621-3cddd4537ec0"
/>

</details>

**Result after this PR:**


https://github.com/user-attachments/assets/d0012e62-f61f-4d69-95a5-27646c0bb750

The following screenshot shows the reproduction app as commented in
https://github.com/flutter/flutter/issues/179875#issuecomment-3672426282
after the PR:

<img width="476" height="543" alt="image"
src="https://github.com/user-attachments/assets/d93b83be-a9fc-4b25-aca2-0e2c3f9a7e56"
/>

For comparison, the following screenshot shows the same shape drawn as
filled:

<img width="476" height="543" alt="image"
src="https://github.com/user-attachments/assets/bf94a20a-278b-42a2-9162-5aa4a61915af"
/>

**Before the PR:**
<img width="1024" height="796" alt="image"
src="https://github.com/user-attachments/assets/053cc229-01f1-4181-97a6-48b96bf16fcf"
/>

Also, a new golden test:
<img width="2400" height="1800" alt="image"
src="https://github.com/user-attachments/assets/6e741066-89a3-4282-bdc2-fa02b1eea14d"
/>


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2026-01-20 18:36:24 +00:00
aaazlkm
1d70a351c9
Enhance Hero widget with customizable animation curves (#180100)
<!--
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Reviewers are typically assigned within a week of filing a request.
To learn more about code review, see our documentation on Tree Hygiene:
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Follow-up to #159393 (closed due to inactivity).
Implements the same feature with changes based on the previous review
feedback.

Related issue: https://github.com/flutter/flutter/issues/26150

## Screenshot

Using elasticOut because the difference was hard to see with
fastOutSlowIn.
<table>
  <tr>
    <th>curve=elasticOut, reverseCurve=null</th>
    <th>curve=elasticOut, reverseCurve=linear</th>
  </tr>
  <tr>
    <td>
<video
src="https://github.com/user-attachments/assets/c8c39fb0-e677-471e-ac2a-2a062277ae48"
             controls muted loop width="320"></video>
    </td>
    <td>
<video
src="https://github.com/user-attachments/assets/1f39d0a8-ed80-4404-b766-38844cca3909"
             controls muted loop width="320"></video>
    </td>
  </tr>
</table>

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2026-01-20 16:50:50 +00:00
Huy
552708f399
Fix test cross-imports for ListTile (#180572)
- A part of https://github.com/flutter/flutter/issues/177415
- In this PR:
- Build a minimal TestListTile widget in `list_tile_test_utils.dart`.
It's basically a Container with necessary properties like min height,
padding, onTap callback with `HitTestBehavior.opaque` to illustrate
InkWell used in ListTile.
- Replace material ListTile widget with TestListTile for all appearances
in `packages/flutter/test/widgets`

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Signed-off-by: huycozy <huy@nevercode.io>
2026-01-20 03:16:22 +00:00
Navaron Bracke
906ffa3a2c
remove unused divider (#180990)
This PR removes a single Divider from one test, since it was not adding
anything noteworthy to the test.

Part of https://github.com/flutter/flutter/issues/177415
Part of https://github.com/flutter/flutter/issues/180501

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2026-01-18 10:30:09 +00:00
Navaron Bracke
3d4e28e34e
Remove MaterialButtons and Divider from draggable_scrollable_sheet_test.dart (#180996)
This PR removes the MaterialButtons and Divider from
test/widgets/draggable_scrollable_sheet_test.dart
I also replaced some usages of WidgetsApp that did not use
`WidgetsApp(home: home)` with MaterialApp.
These usages can be replaced once
https://github.com/flutter/flutter/pull/180456 provides
`TestWidgetsApp`.

Part of https://github.com/flutter/flutter/issues/177415
Part of https://github.com/flutter/flutter/issues/180501

## Pre-launch Checklist

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we expect every widget to implement].
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above.
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[test-exempt].
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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
2026-01-18 10:28:35 +00:00
Ikramul Hasan
80d48a721f
fix: clip ink highlights in NavigationDrawer when footer is present (#181050)
Fixes: #180233 

| Before | After |
|--------|-------|
| <img width="498" height="459" alt="image"
src="https://github.com/user-attachments/assets/9b301178-0f3f-4dfb-89d7-30e9bdc7442a"
/> | <img width="640" height="607" alt="image"
src="https://github.com/user-attachments/assets/13a15f70-32df-42fd-ab14-56629de0a004"
/> |


## 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.
- [ ] 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.
2026-01-17 01:55:21 +00:00