8755 Commits

Author SHA1 Message Date
masato
71be3b14f9
Add enableDrag property to CupertinoSheetRoute and showCupertinoSheet (#163923)
Implemented. (flutter#163852)

This PR adds the `enableDrag` option to showCupertinoSheet and
CupertinoSheetRoute, allowing developers to control whether the sheet
can be dismissed by dragging.

## How to Verify
- Set enableDrag: false in CupertinoSheetRoute or showCupertinoSheet.

```dart

CupertinoSheetRoute<void>(
      builder: (BuildContext context) => const _SheetScaffold(),
      enableDrag: false,
 ),

// or

showCupertinoSheet<void>(
      context: context,
      useNestedNavigation: true,
      pageBuilder: (BuildContext context) => const _SheetScaffold(),
      enableDrag: false,
 );

```

- The following is a screenshot of
`examples/api/lib/cupertino/sheet/cupertino_sheet.0.dart` after adding
`enableDrag: false`.



https://github.com/user-attachments/assets/315fb0e5-ceee-4150-be6e-dd919a7c2317

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---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2025-03-25 21:15:48 +00:00
Jason Simmons
0af426f37c
Animate a CupertinoButton based on tap move events only if the move happens between a tap down and a tap up (#165729)
Fixes https://github.com/flutter/flutter/issues/165724
2025-03-25 21:15:48 +00:00
chunhtai
bf6481104d
Revert "Add set semantics enabled API and wire iOS a11y bridge (#1612… (#165901)
…65)"

This reverts commit 26037dff87ade9d9dee04cc2ef90b3fe5cf0faf3.

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PR causes internal test failures

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2025-03-25 18:24:46 +00:00
Kate Lovett
7561caa71f
Add factory constructors for shorthands that would collide (#165597)
EdgeInsets and EdgeInsetsDirectional are subtypes of EdgeInsetsGeometry.
The both have only, all, and symmetric constructors, which creates
collisions in a world where Dart support shorthand notation such as:

```dart
Padding(
  padding: .only(bottom: 10.0),
),
```
 The same goes for all these classes: 

- AlignmentGeometry
  - Alignment
  - AlignmentDirectional
- BorderRadiusGeometry
  - BorderRadius
  - BorderRadiusDirectional
- BoxBorder
  - Border
  - BorderDirectional
- EdgeInsetsGeometry
  - EdgeInsets
  - EdgeInsetsDirectional


The shorthands feature is not planning to exhaustively check subtypes.
However, these classes were identified as the most impactful for the
shorthands feature ( ). Adding these factories in the super classes
enables future shorthand support.

Prior in https://github.com/flutter/flutter/pull/159703

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2025-03-25 01:07:16 +00:00
chunhtai
26037dff87
Add set semantics enabled API and wire iOS a11y bridge (#161265)
fixes https://github.com/flutter/flutter/issues/158399

old pr https://github.com/flutter/engine/pull/56691

previously the only correct way to enable semantics is that ios
embedding receive signal from native OS, it call SetSemanticsEnabled to
shell and then to dart to enable semantics tree generation.

If for some reason framework decide to enable semantics first, e.g.
through SemanticsBinding.instance.ensureSemantics(typically due to
integration test or ci that wants to test semantics), the update will be
dropped in shell. Even if it later on receive signal from native OS to
turn on semantics, it can't construct the complete accessibility tree in
embedding because the updatesemantics sends diff update and previous
updates are gone forever. It will end up in a broken state.

This pr changes so that the only source of truth will be in the
framework side. When framework starts generating the the semantics tree,
it will call SetSemanticsTreeEnabled through dart:ui, and the embedding
needs to prepare itself to accept semantics update after receiving the
message.

This however require some refactoring on iOS embedding because it will
only create a11y bridge when receiving OS notification when assitive
technologies turns on.

This requires three phase transition

add an empty dart:ui API setSemanticsTreeEnabled
makes framework calls the empty API.
merge this pr with actual implementation of setSemanticsTreeEnabled

I will do the android part in a separate pr


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2025-03-24 20:11:13 +00:00
Kouki Badr
2c58a631fe
feat(CupertinoDatePicker): add a two points time seperator column (#163417)
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This pull request adds a flag attribute to cupertino date picker to
show/hide the two points seperator ":" between minutes and hours, this
feature add more customization to the cupertino date picker widget.
This new flag is by default set to false and it's an optional flag, the
default cupertino date picker behavior stays the same.

**CupertinoDatePIcker before:**
<img
src="https://github.com/user-attachments/assets/94f6722d-b466-4272-b90f-6ac3b358ba6d"
width="200"/> <img
src="https://github.com/user-attachments/assets/125386fd-2b7d-4988-a54e-8893a7f5907b"
width="200"/>

**CupertinoDatePicker After**
<img
src="https://github.com/user-attachments/assets/b5a703d9-6c43-410d-819f-f864e9dde159"
width="200"/> <img
src="https://github.com/user-attachments/assets/26e828dd-81c4-456f-b8c7-7c116d691060"
width="200"/>

*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*
Here's the issue in question for more details about the proposal and the
use cases:
[Issue#163416](https://github.com/flutter/flutter/issues/163416)

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link to the migration guide as per the [breaking change policy].*

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2025-03-24 18:37:54 +00:00
Justin McCandless
8128f08603
Use SystemContextMenu by default on iOS (#165354)
With this change, widgets based on EditableText will show the system
context menu by default on iOS. Anyone with a custom contextMenuBuilder
will not be affected and will have to opt-in to using SystemContextMenu.
Also, this does not affect SelectionArea, which can't receive paste.

Fixes https://github.com/flutter/flutter/issues/163067
2025-03-24 16:53:04 +00:00
Hannes Hultergård
a767a0ccbd
Add focus check to onTapUpOutside (#162939)
Adds a focus check to `onTapUpOutside` of `EditableText`, so that it
doesn't trigger if the `EditableText` doesn't have focus.

`onTapOutside` already had this check, but it was missed when
`onTapUpOutside` was added.

Fixes https://github.com/flutter/flutter/issues/162573


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2025-03-24 13:14:30 +00:00
Memet
be627165df
feat: Added forceErrorText in DropdownButtonFormField #165188 (#165189)
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Feat: Added forceErrorText in DropdownButtonFormField #165188


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---------

Co-authored-by: Bruno Leroux <bruno.leroux@gmail.com>
2025-03-24 07:07:51 +00:00
Tong Mu
cc35800e6a
Fix SpringSimulation formula for underdamping (#165017)
Fix https://github.com/flutter/flutter/issues/163858

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2025-03-21 20:46:07 +00:00
Victor Sanni
1fa9254076
Cupertino navigation bars transitionBetweenRoutes fidelity update (#164956)
In the before Flutter video, drag happens after the 17 second mark.

## Flutter before


https://github.com/user-attachments/assets/9fbcd59e-68aa-4975-9a66-f05e72071223


## Flutter after



https://github.com/user-attachments/assets/784d7f46-a8ce-4e5f-a849-3b19df6668c9



## Flutter back swipe drag gesture



https://github.com/user-attachments/assets/09d38c01-aeea-46c1-90b4-590861f8f3a2




## Native iOS


https://github.com/user-attachments/assets/f2ab96c0-766b-4452-b6d5-3f92e6b6785f

## Flutter scaled back chevron and large title after


https://github.com/user-attachments/assets/ba87add7-affa-4dcc-b2f0-abbc3487d677






## Native iOS scaled back chevron and large title


https://github.com/user-attachments/assets/5c7bfe5b-5789-4ab9-8e36-770cf802b1b1



Native iOS is probably using a spring simulation. This is the closest
curve we have to the native transition, but should be updated in the
future with the exact values.

Fixes [Cupertino navigation bars transitionBetweenRoutes fidelity
update](https://github.com/flutter/flutter/issues/164662)
2025-03-20 19:54:59 +00:00
Huy
e0676b47c7
Add SearchAnchor.viewOnOpen and SearchAnchor.bar.onOpen (#164541)
Fix https://github.com/flutter/flutter/issues/160886

From the context of the issue, user wants to observe open/close events
for search view with SearchController.isOpen. However, I think that is
not a friendly approach/solution due to it relies on a
TextEditingController, it is a ValueNotifier which we implicitly
understand is dedicated to text input.

During the investigation, I found that `viewOnClose` works perfectly
because it is a callback from `_SearchViewRoute` (which is a PopupRoute
so it has didPush and didPop callbacks that we can leverage). `onClose`
was called on `didPop`, so we can solve this by creating a similar
`onOpen` then call it on `didPush`. Users then can implement both
callbacks for their needs.

In this PR:

- Propose adding SearchAnchor.viewOnOpen and `SearchAnchor.bar`.onOpen
- Improve documentation of SearchController, so that users will not be
confused with `SearchController.isOpen`

#### Demo (after the fix)


https://github.com/user-attachments/assets/7f30b831-e2d7-4a72-bc0f-35c858e3427b



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---------

Signed-off-by: huycozy <huy@nevercode.io>
2025-03-20 10:22:23 +00:00
Qun Cheng
32b34ff99e
Add aria menu roles to menu-related widgets (#164741)
Related to https://github.com/flutter/flutter/issues/157177

This PR is to add the following changes:
* Implement `SemanticsRole.menu`, `SemanticsRole.menuItem`,
`SemanticsRole.menuBar`, `SemanticsRole.menuItemCheckbox`, and
`SemanticsRole.menuItemRadio`.
* Add `SemanticsRole.menu` role in ~`MenuAnchor`~, `DropdownButton`, and
`PopupMenuButton`
~* Add `SemanticsRole.menuBar` role to `MenuBar`~
* Add `SemanticsRole.menuItem` to ~`MenuItemButton`~, `DropdownMenuItem`
and `PopupMenuItem`
~* Add `SemanticsRole.menuItemCheckbox` to `CheckboxMenuButton`~
~* Add `SemanticsRole.menuItemRadio` to `RadioMenuButton`~

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2025-03-19 20:33:15 +00:00
LongCatIsLooong
342223f2e8
Implement Autocomplete layout with the new OverlayPortal childLayoutBuilder API (#165249)
Fixes https://github.com/flutter/flutter/issues/160625

This also makes it very easy to implement
https://github.com/flutter/flutter/issues/101620.

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2025-03-19 16:35:24 +00:00
Victor Sanni
010d31d109
Introduce Expansible, a base widget for ExpansionTile (#164049)
Take 2 

Design doc:
[flutter.dev/go/codeshare-expansion-tile](https://docs.google.com/document/d/1GTyEZjjTpx6fcrzOX-6kQ3phwu5UhUGLOWXJoy0yto0/edit?tab=t.0)

Fixes [Codeshare between ExpansionTile and its Cupertino
variant](https://github.com/flutter/flutter/issues/163552)

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2025-03-19 07:56:09 +00:00
Ujjwal Pratap Singh
42d4f69566
fix: "show dialog" functions should allow setting an AnimationStyle (#164002)
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fixes issue #154744

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---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2025-03-19 05:40:18 +00:00
chunhtai
ce667ede75
Reland role merge (#165330)
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the previous pr causes some issue with mobile platform.
The change is in second commit

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2025-03-18 21:01:16 +00:00
LongCatIsLooong
452099ab69
OverlayPortal.childLayoutBuilder should rebuild when OverlayPortal rebuilds. (#165331)
The builder callback can capture free variables. So it must be
re-evaluated every time `OverlayPortal` rebuilds.

Also defining the builder callback as a method in the State class seems
to be a common pattern. So the `oldWidget.builder != builder` check may
prevent necessary rebuilds when that's the case.


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2025-03-17 23:15:36 +00:00
Kamil Szczęk
9d2b6da8e5
feat(Tooltip): replace the height parameter with constraints (#163314)
Introduce a new `constraints` parameter, which constrains the size of
the tooltip's message and deprecate the now obsolete `height` parameter.
Do the same for the theme data, while also making some minor changes to
the docs to clear up some misconceptions about which properties apply to
the tooltip's message and which to the tooltip's child.

To make the transition from `height` to `constraints` as easy as
possible for our users, introduce fix data to do this replacement
automatically in the IDE.

Closes: #163313

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2025-03-17 17:00:05 +00:00
Huy
51bf72afa2
Fix arrowHeadColor breaks differentiation between states (#165178)
Fix https://github.com/flutter/flutter/issues/160458

The arrowheads color is currently displayed wrong when passing
`arrowHeadColor` parameter, it's due to the `arrowHeadColor` is passing
to IconButton.icon widget, not IconButton.color itself. Meanwhile, the
IconButton state depends on `onPressed` callback and the button color
logic happens in IconButton, not in Icon widget. The fix is simply to
pass `arrowHeadColor` to IconButton so that buttons will be displaying
correct color when state changes.

| before | after |
| --------------- | --------------- |
<video
src="https://github.com/user-attachments/assets/20f08366-7c42-4f00-bfea-40f1c6498dd7"/>
| <video
src="https://github.com/user-attachments/assets/a018a60f-4238-4f8a-9784-1db71592f08c"/>

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Signed-off-by: huycozy <huy@nevercode.io>
2025-03-17 17:00:05 +00:00
chunhtai
3d74fe1562
Revert "Prevent explicit roles from merging (#164732)" (#165222)
This reverts commit c2bb3accbac0d33b43b1e89982425de2657198a1.

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the previous pr may break some of the mobile a11y. some newly splitted
role can't be focus by mobile a11y focus, will need to fix some of the
engine code first

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2025-03-15 01:30:35 +00:00
Loïc Sharma
f6f6030b20
[Accessibility] Add required semantics flags (#164585)
This adds "required" semantic nodes, which indicate a node that requires
user input before a form can be submitted.

On Flutter Web, these get converted into [`aria-required`
attributes](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-required).

Addresses https://github.com/flutter/flutter/issues/162139

### Example app

_⚠️ This example app includes a `DropdownMenu` which currently produces
an incorrect semantics tree. That will be fixed by
https://github.com/flutter/flutter/pull/163638._

Today, you wrap your control in a `Semantics(required: true, child
...)`. For example:

<details>
<summary>Example app with required semantic flags...</summary>

```dart
import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:flutter/semantics.dart';

void main() {
  runApp(const MyApp());
  SemanticsBinding.instance.ensureSemantics();
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(home: Scaffold(body: const MyForm()));
  }
}

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

  @override
  State<MyForm> createState() => MyFormState();
}

class MyFormState extends State<MyForm> {
  int _dropdownValue = 0;
  bool _checkboxValue = false;
  int _radioGroupValue = 0;

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Semantics(required: true, child: TextField()),

        Semantics(
          required: true,
          child: DropdownMenu<int>(
            initialSelection: _dropdownValue,
            onSelected: (value) => setState(() => _dropdownValue = value ?? 0),
            dropdownMenuEntries: [
              DropdownMenuEntry(value: 0, label: 'Dropdown entry 1'),
              DropdownMenuEntry(value: 1, label: 'Dropdown entry 2'),
            ],
          ),
        ),

        ListTile(
          title: Text('Checkbox'),
          leading: Semantics(
            required: true,
            child: Checkbox(
              value: _checkboxValue,
              onChanged:
                  (value) => setState(() => _checkboxValue = value ?? false),
            ),
          ),
        ),

        Semantics(
          label: 'Radio group',
          role: SemanticsRole.radioGroup,
          explicitChildNodes: true,
          required: true,
          child: Column(
            children: <Widget>[
              ListTile(
                title: const Text('Radio 1'),
                leading: Radio<int>(
                  value: 0,
                  groupValue: _radioGroupValue,
                  onChanged:
                      (int? value) =>
                          setState(() => _radioGroupValue = value ?? 0),
                ),
              ),
              ListTile(
                title: const Text('Radio 2'),
                leading: Radio<int>(
                  value: 1,
                  groupValue: _radioGroupValue,
                  onChanged:
                      (int? value) =>
                          setState(() => _radioGroupValue = value ?? 0),
                ),
              ),
            ],
          ),
        ),

        Padding(
          padding: const EdgeInsets.symmetric(vertical: 16),
          child: ElevatedButton(onPressed: () {}, child: const Text('Submit')),
        ),
      ],
    );
  }
}

```

</details>

<details>
<summary>Semantics tree...</summary>

```
SemanticsNode#0
 │ Rect.fromLTRB(0.0, 0.0, 645.0, 1284.0)
 │
 └─SemanticsNode#1
   │ Rect.fromLTRB(0.0, 0.0, 645.0, 1284.0)
   │ textDirection: ltr
   │
   └─SemanticsNode#2
     │ Rect.fromLTRB(0.0, 0.0, 645.0, 1284.0)
     │ sortKey: OrdinalSortKey#e3336(order: 0.0)
     │
     └─SemanticsNode#3
       │ Rect.fromLTRB(0.0, 0.0, 645.0, 1284.0)
       │ flags: scopesRoute
       │
       ├─SemanticsNode#4
       │   Rect.fromLTRB(0.0, 0.0, 645.0, 48.0)
       │   actions: didGainAccessibilityFocus, didLoseAccessibilityFocus,
       │     focus, tap
       │   flags: isTextField, hasEnabledState, isEnabled, hasRequiredState,
       │     isRequired
       │   textDirection: ltr
       │   text selection: [0, 0]
       │   currentValueLength: 0
       │
       ├─SemanticsNode#5
       │ │ Rect.fromLTRB(0.0, 48.0, 199.3, 96.0)
       │ │ flags: hasRequiredState, isRequired
       │ │
       │ └─SemanticsNode#7
       │   │ Rect.fromLTRB(0.0, 0.0, 199.3, 48.0)
       │   │ actions: didGainAccessibilityFocus, didLoseAccessibilityFocus,
       │   │   focus, moveCursorBackwardByCharacter, moveCursorBackwardByWord,
       │   │   moveCursorForwardByCharacter, moveCursorForwardByWord, tap
       │   │ flags: isTextField, hasEnabledState, isEnabled
       │   │ value: "Dropdown entry 1"
       │   │ textDirection: ltr
       │   │ text selection: [15, 15]
       │   │ currentValueLength: 16
       │   │
       │   ├─SemanticsNode#9
       │   │   Rect.fromLTRB(4.0, 4.0, 44.0, 44.0)
       │   │   actions: focus, tap
       │   │   flags: hasSelectedState, isButton, hasEnabledState, isEnabled,
       │   │     isFocusable
       │   │
       │   └─SemanticsNode#8
       │       Rect.fromLTRB(155.3, 4.0, 195.3, 44.0)
       │       actions: focus, tap
       │       flags: hasSelectedState, isButton, hasEnabledState, isEnabled,
       │         isFocusable
       │
       ├─SemanticsNode#10
       │ │ Rect.fromLTRB(0.0, 96.0, 645.0, 144.0)
       │ │ flags: hasSelectedState, hasEnabledState, isEnabled
       │ │ label: "Checkbox"
       │ │ textDirection: ltr
       │ │
       │ └─SemanticsNode#11
       │     Rect.fromLTRB(16.0, 4.0, 56.0, 44.0)
       │     actions: focus, tap
       │     flags: hasCheckedState, hasEnabledState, isEnabled, isFocusable,
       │       hasRequiredState, isRequired
       │
       ├─SemanticsNode#12
       │ │ Rect.fromLTRB(0.0, 144.0, 645.0, 240.0)
       │ │ flags: hasRequiredState, isRequired
       │ │ label: "Radio group"
       │ │ textDirection: ltr
       │ │ role: radioGroup
       │ │
       │ ├─SemanticsNode#13
       │ │ │ Rect.fromLTRB(0.0, 0.0, 645.0, 48.0)
       │ │ │ flags: hasSelectedState, hasEnabledState, isEnabled
       │ │ │ label: "Radio 1"
       │ │ │ textDirection: ltr
       │ │ │
       │ │ └─SemanticsNode#14
       │ │     Rect.fromLTRB(16.0, 8.0, 48.0, 40.0)
       │ │     actions: focus, tap
       │ │     flags: hasCheckedState, isChecked, hasSelectedState, isSelected,
       │ │       hasEnabledState, isEnabled, isInMutuallyExclusiveGroup,
       │ │       isFocusable
       │ │
       │ └─SemanticsNode#15
       │   │ Rect.fromLTRB(0.0, 48.0, 645.0, 96.0)
       │   │ flags: hasSelectedState, hasEnabledState, isEnabled
       │   │ label: "Radio 2"
       │   │ textDirection: ltr
       │   │
       │   └─SemanticsNode#16
       │       Rect.fromLTRB(16.0, 8.0, 48.0, 40.0)
       │       actions: focus, tap
       │       flags: hasCheckedState, hasSelectedState, hasEnabledState,
       │         isEnabled, isInMutuallyExclusiveGroup, isFocusable
       │
       └─SemanticsNode#17
           Rect.fromLTRB(0.0, 256.0, 92.7, 288.0)
           actions: focus, tap
           flags: isButton, hasEnabledState, isEnabled, isFocusable
           label: "Submit"
           textDirection: ltr
           thickness: 1.0
```

</details>

<details>
<summary>HTML generated by Flutter web...</summary>

```html
<html>

<body flt-embedding="full-page" flt-renderer="canvaskit" flt-build-mode="debug" spellcheck="false" style="">

  <flt-announcement-host>
    <flt-announcement-polite aria-live="polite" style="">
    </flt-announcement-polite>
    <flt-announcement-assertive aria-live="assertive" style="">
    </flt-announcement-assertive>
  </flt-announcement-host>

  <flutter-view flt-view-id="0" tabindex="0" style="">
    <flt-glass-pane>
    </flt-glass-pane>

    <flt-text-editing-host>
    </flt-text-editing-host>

    <flt-semantics-host style="">
      <flt-semantics id="flt-semantic-node-0" style="">
        <flt-semantics-container style="">
          <flt-semantics id="flt-semantic-node-1" style="">
            <flt-semantics-container style="">
              <flt-semantics id="flt-semantic-node-2" style="">
                <flt-semantics-container style="">
                  <flt-semantics id="flt-semantic-node-3" role="dialog" style="">
                    <flt-semantics-container style="">
                      <flt-semantics id="flt-semantic-node-4" style="">
                        <input type="text" spellcheck="false" autocorrect="on" autocomplete="on"
                          data-semantics-role="text-field" aria-required="true" style="">
                      </flt-semantics>
                      <flt-semantics id="flt-semantic-node-5" aria-required="true" style="">
                        <flt-semantics-container style="">
                          <flt-semantics id="flt-semantic-node-7" style="">
                            <input type="text" spellcheck="false" autocorrect="off" autocomplete="off"
                              data-semantics-role="text-field" style="">
                            <flt-semantics-container style="">
                              <flt-semantics id="flt-semantic-node-9" role="button" tabindex="0" aria-selected="false"
                                flt-tappable="" style="">
                              </flt-semantics>
                              <flt-semantics id="flt-semantic-node-8" role="button" tabindex="0" aria-selected="false"
                                flt-tappable="" style="">
                              </flt-semantics>
                            </flt-semantics-container>
                          </flt-semantics>
                        </flt-semantics-container>
                      </flt-semantics>
                      <flt-semantics id="flt-semantic-node-10" role="group" aria-label="Checkbox" aria-selected="false"
                        style="">
                        <flt-semantics-container style="">
                          <flt-semantics id="flt-semantic-node-11" tabindex="0" aria-required="true" flt-tappable=""
                            role="checkbox" aria-checked="false" style="">
                          </flt-semantics>
                        </flt-semantics-container>
                      </flt-semantics>
                      <flt-semantics id="flt-semantic-node-12" role="radiogroup" aria-label="Radio group"
                        aria-required="true" style="">
                        <flt-semantics-container style="">
                          <flt-semantics id="flt-semantic-node-13" role="group" aria-label="Radio 1"
                            aria-selected="false" style="">
                            <flt-semantics-container style="">
                              <flt-semantics id="flt-semantic-node-14" tabindex="0" flt-tappable="" role="radio"
                                aria-checked="true" style="">
                              </flt-semantics>
                            </flt-semantics-container>
                          </flt-semantics>
                          <flt-semantics id="flt-semantic-node-15" role="group" aria-label="Radio 2"
                            aria-selected="false" style="">
                            <flt-semantics-container style="">
                              <flt-semantics id="flt-semantic-node-16" tabindex="0" flt-tappable="" role="radio"
                                aria-checked="false" style="">
                              </flt-semantics>
                            </flt-semantics-container>
                          </flt-semantics>
                        </flt-semantics-container>
                      </flt-semantics>
                      <flt-semantics id="flt-semantic-node-17" role="button" tabindex="0" flt-tappable="" style="">
                    </flt-semantics-container>
                  </flt-semantics>
                </flt-semantics-container>
              </flt-semantics>
            </flt-semantics-container>
          </flt-semantics>
        </flt-semantics-container>
      </flt-semantics>
    </flt-semantics-host>
  </flutter-view>
</body>

</html>

```

</details>


In the future, we can update Material and Cupertino widgets to
automatically make their semantics node required when desirable.


## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-03-14 21:06:18 +00:00
LongCatIsLooong
7ce41abbd2
OverlayPortal.overlayChildLayoutBuilder (#164034)
This API allows the widget tree of an `OverlayPortal.overlayChild` to
depend on various layout information (e.g. the incoming constraints, or
the size of a RenderObject) from another child subtree of `Overlay` that
does layout before the `overlayChild`.

Most RenderObject subclasses can only access its child's or children's
layout info, but not the layout info of its other descendants because of
the "relayout boundary" optimization. Such locality makes the layout
dependencies easier to reason about but it also makes it difficult to
implement certain common UI patterns (see the examples in the
description of the [previous
PR](https://github.com/flutter/flutter/pull/163575))

The API is currently only available on `OverlayPortal` as it is the only
Overlay API (AFAIK) that guarantees every render object in a "path"
within the render tree has finished doing layout.

TODO: polish the API docs and code comments
TODO: more tests?

TODO: markNeedsLayout should not imply markNeedsPaint in this case (or
in layout builders in general).

part1: https://github.com/flutter/flutter/pull/163575
diff this ... part1
https://github.com/LongCatIsLooong/flutter/compare/OverlayPortal-always-add-to-dirty-list...LongCatIsLooong:flutter:OverlayPortal-paint-transform-builder

## 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 -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-03-14 19:42:18 +00:00
Sangam Shrestha
d261411b4c
Remove redundant useMaterial3: true (#163376)
<!--
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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:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
-->

This PR removes redundant useMaterial3: true as described in
https://github.com/flutter/flutter/issues/162818

*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*

- https://github.com/flutter/flutter/issues/162818

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

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

---------

Co-authored-by: Qun Cheng <36861262+QuncCccccc@users.noreply.github.com>
2025-03-14 17:50:20 +00:00
chunhtai
c2bb3accba
Prevent explicit roles from merging (#164732)
<!--
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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:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
-->

If merging explicit roles, some of the information may be dropped.

## 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 -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-03-13 22:15:29 +00:00
chunhtai
5122ffd069
Adds list and list item roles (#164809)
<!--
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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:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
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fixes https://github.com/flutter/flutter/issues/162121

## 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 -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-03-13 21:41:15 +00:00
chunhtai
884de61855
adds status and alert roles (#164925)
<!--
Thanks for filing a pull request!
Reviewers are typically assigned within a week of filing a request.
To learn more about code review, see our documentation on Tree Hygiene:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
-->

fixes https://github.com/flutter/flutter/issues/162287
fixes https://github.com/flutter/flutter/issues/162286

## 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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https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-03-13 15:54:08 +00:00
Bruno Leroux
c6c518653c
Fix NavigationBar indicator overlay color (#164484)
## Description

This PR fixes NavigationBar lacking visual feedback on the active
destination indicator.

### Before:

The navigation indicator does not change color when hovered or focused:


https://github.com/user-attachments/assets/a1e67dee-4a38-4711-ba90-bdcd9bed3226


### After:

The navigation indicator color changes (slightly darker):


https://github.com/user-attachments/assets/1b1cc335-2cf4-4c41-9c53-696537707c72


## Related Issue

Fixes [NavigationBar lacks visual feedback when focused or
hovered](https://github.com/flutter/flutter/issues/163871)

## Tests

- Updates several helper functions which are used by several tests.
- Updates several test: adding an Ink widget changes the coordinates
used in several tests because these coordinates are now relative to the
Ink offset.
- Will impact fours golden tests which were capturing the bad behavior
(indicator color not changing when hovered or focused).
2025-03-13 08:02:36 +00:00
Hannah Jin
6aaa4eb9e3
[framework]Add semantics role to table rows. (#163337)
**1. framework side:**
This PR Create semantics node for rows in table's
`assembleSemanticsNode` function.

**2. web side:**
I tested on my mac, and i need to remove the 
`<flt-semantics-container>` between table and row, row and cell to
traverse inside table, removing those transfom intermediate containers
on web will be a bit of hassle and will be in another separate PR.

For example this code can only announce table but can’t get into cells.
```
<flt-semantics id="flt-semantic-node-4" role="table" style="position: absolute; overflow: visible; width: 751px; height: 56px; transform-origin: 0px 0px 0px; transform: matrix(1, 0, 0, 1, 0, 56); pointer-events: none; z-index: 1;">
    <flt-semantics-container style="position: absolute; pointer-events: none; top: 0px; left: 0px;">
        <flt-semantics id="flt-semantic-node-6" role="row" style="position: absolute; overflow: visible; width: 751px; height: 56px; top: 0px; left: 0px; pointer-events: none;">
            <flt-semantics-container style="position: absolute; pointer-events: none; top: 0px; left: 0px;">
                <flt-semantics id="flt-semantic-node-5" role="columnheader" aria-label="Name" style="position: absolute; overflow: visible; width: 751px; height: 56px; top: 0px; left: 0px; pointer-events: all;"></flt-semantics>
            </flt-semantics-container>
        </flt-semantics>
    </flt-semantics-container>
</flt-semantics>
```
If I removed the in between `</flt-semantics-container>`, the code come 
```
<flt-semantics id="flt-semantic-node-4" role="table" style="position: absolute; overflow: visible; width: 751px; height: 56px; transform-origin: 0px 0px 0px; transform: matrix(1, 0, 0, 1, 0, 56); pointer-events: none; z-index: 1;">
    <flt-semantics id="flt-semantic-node-6" role="row" style="position: absolute; overflow: visible; width: 751px; height: 56px; top: 0px; left: 0px; pointer-events: none;">
        <flt-semantics id="flt-semantic-node-5" role="columnheader" aria-label="Name" style="position: absolute; overflow: visible; width: 751px; height: 56px; top: 0px; left: 0px; pointer-events: all;"></flt-semantics>
    </flt-semantics>
</flt-semantics>
```
And I can get into table cells.


**3. Other aria-attributes:** 

[aria-colcount](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-colcount) ,[aria-rowcount](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-rowcount) 
[aria-colindex](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-colindex) 
[aria-rowindex](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-rowindex) 
* theres attributes are only needed if some rows and columns are hidden
in the Dom tree. havn't added them yet

aria-rowspan , aria-colspan : 
*we currently don't support row span and col span in our widgets.
related issue: https://github.com/flutter/flutter/issues/21594

 related: https://github.com/flutter/flutter/pull/162339
issue: https://github.com/flutter/flutter/issues/45205

## 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 -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
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[Features we expect every widget to implement]:
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[CLA]: https://cla.developers.google.com/
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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
2025-03-13 04:39:28 +00:00
Kate Lovett
df676dc6e7
Add onHover and onFocusChange callbacks for TabBar (#164816)
Fixes https://github.com/flutter/flutter/issues/159444
Fixes https://github.com/flutter/flutter/issues/146089

This adds callbacks to TabBar for onHover and onFocusChange.
They pipe through to the underlying Inkwell widget that is wrapped
around each Tab of the TabBar during build.

#### Alternatives

- I did consider adding these callbacks to Tab instead, but felt that
going through TabBar would be better. If implemented in Tab, the user
would need to define callbacks for each tab. This PR makes it so there
is only need for one callback, and the associated Tab index is provided.
Also, since the Inkwell is applied in the TabBar, it's kludgy to have to
extract that from the Tabs _in_ TabBar later to pass on to the Inkwell.
👃
- Digging in to the requests in the linked issues, the user wants to
change various stylings in response to these events.
WidgetStateProperties were considered, but there are so many potential
styling properties that going this route would require greatly
increasing the API surface here. Tab.child allows the user to provide
whatever widget they would like to have as the content. Being able to
modify Tab.child in response to these events is a better way go instead
of exposing a ton of different properties.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
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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
[breaking change policy]:
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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
2025-03-13 01:32:05 +00:00
Ashish Beck
9af4d746df
Added semanticsIdentifier to Text Widgets (#163843)
This PR aims to add `semanticsIdentifier` to `Text` and some of its
internal objects to pass the semantics information for adding identifier
to the semantics nodes

From the issue filed at #163842, the following is a description of the
problem.

The [semantics
identifier](https://api.flutter.dev/flutter/semantics/SemanticsData/identifier.html)
helps in uniquely identifying elements using UI automation tools like
Appium, UIAutomator and XCUITests by setting identifiers that the screen
readers cannot see but the said tools can. This is especially useful
when working with a multi-lingual or multi-tenant app, where the element
IDs need to be unique but the content can be different. The `Semantics`
widget already has support for declaring it. However, the `Text` and
`Text.rich` variants only support setting `semanticsLabel` without
explicitly setting the identifiers. The widgets themselves can be
wrapped with a `Semantics` widget but it still does not cater for a rich
text that can have multiple text spans, each containing unique lables
and identifiers, and optionally gesture detectors for handling links.

Consider the following UI for two different tenants:
<img width="229" alt="Image"
src="https://github.com/user-attachments/assets/e8a24588-d94d-42fc-ba6c-ce39959207ae"
/>

Here, both the tenants utilise different strings to convey the same
message. The structure of the message stays the same so the identifiers
help in unifying the element identification process across the tenant
apps in the automation tools without having to write another script for
every other tenant.
Without the identifiers, the automation scripts require a rewrite per
tenant to be able to successfully locate the element and even tap on the
hyperlink.

# With PR Changes
## Appium Views
For the given sample code,
<details><summary>Text.rich Sample</summary>

```dart
Text.rich(
  TextSpan(
    text: 'This text contains both identifier and label.',
    semanticsLabel: 'Custom label',
    semanticsIdentifier: 'Custom identifier',
    style: customStyle1,
    children: <TextSpan>[
      TextSpan(
        text: ' While this one contains only label',
        semanticsLabel: 'Hello world',
        style: customStyle2,
      ),
      const TextSpan(
        text: ' and this contains only identifier,',
        semanticsIdentifier: 'Hello to the automation tool',
      ),
      TextSpan(
        text: ' this text contains neither identifier nor label.',
        style: customStyle2,
      ),
    ],
  ),
),
```
</details>
we have the following results with and without the PR code changes:

### With Identifier

![image](https://github.com/user-attachments/assets/abad3b36-61a5-41d9-b269-9977ac6d26e7)
### Without Identifier Changes

![image](https://github.com/user-attachments/assets/91d01be9-d39c-4c65-9251-570284108bfd)


## Semantics Tree Dump
The followings are the semantics tree dump for both the cases
<details><summary>With Identifier</summary>

```
I/flutter ( 8185): SemanticsNode#0
I/flutter ( 8185):  │ Rect.fromLTRB(0.0, 0.0, 1080.0, 2154.0)
I/flutter ( 8185):  │
I/flutter ( 8185):  └─SemanticsNode#1
I/flutter ( 8185):    │ Rect.fromLTRB(0.0, 0.0, 392.7, 783.3) scaled by 2.8x
I/flutter ( 8185):    │ textDirection: ltr
I/flutter ( 8185):    │
I/flutter ( 8185):    └─SemanticsNode#2
I/flutter ( 8185):      │ Rect.fromLTRB(0.0, 0.0, 392.7, 783.3)
I/flutter ( 8185):      │ sortKey: OrdinalSortKey#9e46a(order: 0.0)
I/flutter ( 8185):      │
I/flutter ( 8185):      └─SemanticsNode#3
I/flutter ( 8185):        │ Rect.fromLTRB(0.0, 0.0, 392.7, 783.3)
I/flutter ( 8185):        │ flags: scopesRoute
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#4
I/flutter ( 8185):        │   Rect.fromLTRB(16.0, 40.0, 376.7, 88.0)
I/flutter ( 8185):        │   label: "Demonstration of automation tools support in Semantics
I/flutter ( 8185):        │     for Text and RichText"
I/flutter ( 8185):        │   textDirection: ltr
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#5
I/flutter ( 8185):        │   Rect.fromLTRB(16.0, 104.0, 376.7, 204.0)
I/flutter ( 8185):        │   label: "The identifier property in Semantics widget is used for
I/flutter ( 8185):        │     UI testing with tools that work by querying the native
I/flutter ( 8185):        │     accessibility, like UIAutomator, XCUITest, or Appium. It can be
I/flutter ( 8185):        │     matched with CommonFinders.bySemanticsIdentifier."
I/flutter ( 8185):        │   textDirection: ltr
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#6
I/flutter ( 8185):        │   Rect.fromLTRB(16.0, 220.0, 121.9, 244.0)
I/flutter ( 8185):        │   label: "Text Example:"
I/flutter ( 8185):        │   textDirection: ltr
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#7
I/flutter ( 8185):        │   Rect.fromLTRB(16.0, 244.0, 376.7, 304.0)
I/flutter ( 8185):        │   identifier: "This is a custom identifier that only the automation
I/flutter ( 8185):        │     tools are able to see"
I/flutter ( 8185):        │   label: "This is a custom label"
I/flutter ( 8185):        │   textDirection: ltr
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#8
I/flutter ( 8185):        │   Rect.fromLTRB(16.0, 320.0, 155.1, 344.0)
I/flutter ( 8185):        │   label: "Text.rich Example:"
I/flutter ( 8185):        │   textDirection: ltr
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#9
I/flutter ( 8185):        │ │ Rect.fromLTRB(16.0, 344.0, 376.7, 400.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ ├─SemanticsNode#10
I/flutter ( 8185):        │ │   Rect.fromLTRB(-4.0, -3.0, 280.0, 23.0)
I/flutter ( 8185):        │ │   identifier: "Custom identifier"
I/flutter ( 8185):        │ │   label: "Custom label"
I/flutter ( 8185):        │ │   textDirection: ltr
I/flutter ( 8185):        │ │   sortKey: OrdinalSortKey#06bc7(order: 0.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ ├─SemanticsNode#11
I/flutter ( 8185):        │ │   Rect.fromLTRB(-4.0, -1.0, 345.0, 42.0)
I/flutter ( 8185):        │ │   label: "Hello world"
I/flutter ( 8185):        │ │   textDirection: ltr
I/flutter ( 8185):        │ │   sortKey: OrdinalSortKey#32a12(order: 1.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ ├─SemanticsNode#12
I/flutter ( 8185):        │ │   Rect.fromLTRB(130.0, 17.0, 348.0, 43.0)
I/flutter ( 8185):        │ │   identifier: "Hello to the automation tool"
I/flutter ( 8185):        │ │   label: " and this contains only identifier,"
I/flutter ( 8185):        │ │   textDirection: ltr
I/flutter ( 8185):        │ │   sortKey: OrdinalSortKey#49d25(order: 2.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ └─SemanticsNode#13
I/flutter ( 8185):        │     Rect.fromLTRB(-4.0, 19.0, 351.0, 60.0)
I/flutter ( 8185):        │     label: " this text contains neither identifier nor label."
I/flutter ( 8185):        │     textDirection: ltr
I/flutter ( 8185):        │     sortKey: OrdinalSortKey#f3624(order: 3.0)
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#14
I/flutter ( 8185):        │   Rect.fromLTRB(16.0, 416.0, 181.0, 440.0)
I/flutter ( 8185):        │   label: "Multi-tenant Example:"
I/flutter ( 8185):        │   textDirection: ltr
I/flutter ( 8185):        │
I/flutter ( 8185):        ├─SemanticsNode#15
I/flutter ( 8185):        │ │ Rect.fromLTRB(108.3, 440.0, 284.5, 480.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ ├─SemanticsNode#16
I/flutter ( 8185):        │ │   Rect.fromLTRB(-1.0, -3.0, 115.0, 23.0)
I/flutter ( 8185):        │ │   identifier: "please_open"
I/flutter ( 8185):        │ │   label: "Please open the "
I/flutter ( 8185):        │ │   textDirection: ltr
I/flutter ( 8185):        │ │   sortKey: OrdinalSortKey#ea831(order: 0.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ ├─SemanticsNode#17
I/flutter ( 8185):        │ │   Rect.fromLTRB(106.0, -3.0, 177.0, 23.0)
I/flutter ( 8185):        │ │   identifier: "product_name"
I/flutter ( 8185):        │ │   label: "product 1"
I/flutter ( 8185):        │ │   textDirection: ltr
I/flutter ( 8185):        │ │   sortKey: OrdinalSortKey#589fe(order: 1.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ ├─SemanticsNode#18
I/flutter ( 8185):        │ │   Rect.fromLTRB(-4.0, -3.0, 177.0, 43.0)
I/flutter ( 8185):        │ │   identifier: "to_use_app"
I/flutter ( 8185):        │ │   label:
I/flutter ( 8185):        │ │     "
I/flutter ( 8185):        │ │     to use this app."
I/flutter ( 8185):        │ │   textDirection: ltr
I/flutter ( 8185):        │ │   sortKey: OrdinalSortKey#c2762(order: 2.0)
I/flutter ( 8185):        │ │
I/flutter ( 8185):        │ └─SemanticsNode#19
I/flutter ( 8185):        │     Rect.fromLTRB(95.0, 17.0, 181.0, 43.0)
I/flutter ( 8185):        │     actions: tap
I/flutter ( 8185):        │     flags: isLink
I/flutter ( 8185):        │     identifier: "learn_more_link"
I/flutter ( 8185):        │     label: " Learn more"
I/flutter ( 8185):        │     textDirection: ltr
I/flutter ( 8185):        │     sortKey: OrdinalSortKey#7d560(order: 3.0)
I/flutter ( 8185):        │
I/flutter ( 8185):        └─SemanticsNode#20
I/flutter ( 8185):          │ Rect.fromLTRB(97.0, 496.0, 295.7, 536.0)
I/flutter ( 8185):          │
I/flutter ( 8185):          ├─SemanticsNode#21
I/flutter ( 8185):          │   Rect.fromLTRB(11.0, -3.0, 127.0, 23.0)
I/flutter ( 8185):          │   identifier: "please_open"
I/flutter ( 8185):          │   label: "Please open the "
I/flutter ( 8185):          │   textDirection: ltr
I/flutter ( 8185):          │   sortKey: OrdinalSortKey#7bb57(order: 0.0)
I/flutter ( 8185):          │
I/flutter ( 8185):          ├─SemanticsNode#22
I/flutter ( 8185):          │   Rect.fromLTRB(118.0, -3.0, 188.0, 23.0)
I/flutter ( 8185):          │   identifier: "product_name"
I/flutter ( 8185):          │   label: "product 2"
I/flutter ( 8185):          │   textDirection: ltr
I/flutter ( 8185):          │   sortKey: OrdinalSortKey#6c7c6(order: 1.0)
I/flutter ( 8185):          │
I/flutter ( 8185):          ├─SemanticsNode#23
I/flutter ( 8185):          │   Rect.fromLTRB(-4.0, -3.0, 188.0, 43.0)
I/flutter ( 8185):          │   identifier: "to_use_app"
I/flutter ( 8185):          │   label:
I/flutter ( 8185):          │     "
I/flutter ( 8185):          │     to access this app."
I/flutter ( 8185):          │   textDirection: ltr
I/flutter ( 8185):          │   sortKey: OrdinalSortKey#1e8e7(order: 2.0)
I/flutter ( 8185):          │
I/flutter ( 8185):          └─SemanticsNode#24
I/flutter ( 8185):              Rect.fromLTRB(117.0, 17.0, 203.0, 43.0)
I/flutter ( 8185):              actions: tap
I/flutter ( 8185):              flags: isLink
I/flutter ( 8185):              identifier: "learn_more_link"
I/flutter ( 8185):              label: " Find out more"
I/flutter ( 8185):              textDirection: ltr
I/flutter ( 8185):              sortKey: OrdinalSortKey#db7e6(order: 3.0)
```

</details>
<details><summary>Without Identifier Changes</summary>

```
I/flutter (18659): SemanticsNode#0
I/flutter (18659):  │ Rect.fromLTRB(0.0, 0.0, 1080.0, 2154.0)
I/flutter (18659):  │
I/flutter (18659):  └─SemanticsNode#1
I/flutter (18659):    │ Rect.fromLTRB(0.0, 0.0, 392.7, 783.3) scaled by 2.8x
I/flutter (18659):    │ textDirection: ltr
I/flutter (18659):    │
I/flutter (18659):    └─SemanticsNode#2
I/flutter (18659):      │ Rect.fromLTRB(0.0, 0.0, 392.7, 783.3)
I/flutter (18659):      │ sortKey: OrdinalSortKey#102d4(order: 0.0)
I/flutter (18659):      │
I/flutter (18659):      └─SemanticsNode#3
I/flutter (18659):        │ Rect.fromLTRB(0.0, 0.0, 392.7, 783.3)
I/flutter (18659):        │ flags: scopesRoute
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#4
I/flutter (18659):        │   Rect.fromLTRB(16.0, 40.0, 376.7, 88.0)
I/flutter (18659):        │   label: "Demonstration of automation tools support in Semantics
I/flutter (18659):        │     for Text and RichText"
I/flutter (18659):        │   textDirection: ltr
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#5
I/flutter (18659):        │   Rect.fromLTRB(16.0, 104.0, 376.7, 204.0)
I/flutter (18659):        │   label: "The identifier property in Semantics widget is used for
I/flutter (18659):        │     UI testing with tools that work by querying the native
I/flutter (18659):        │     accessibility, like UIAutomator, XCUITest, or Appium. It can be
I/flutter (18659):        │     matched with CommonFinders.bySemanticsIdentifier."
I/flutter (18659):        │   textDirection: ltr
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#6
I/flutter (18659):        │   Rect.fromLTRB(16.0, 220.0, 121.9, 244.0)
I/flutter (18659):        │   label: "Text Example:"
I/flutter (18659):        │   textDirection: ltr
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#7
I/flutter (18659):        │   Rect.fromLTRB(16.0, 244.0, 376.7, 304.0)
I/flutter (18659):        │   label: "This is a custom label"
I/flutter (18659):        │   textDirection: ltr
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#8
I/flutter (18659):        │   Rect.fromLTRB(16.0, 320.0, 155.1, 344.0)
I/flutter (18659):        │   label: "Text.rich Example:"
I/flutter (18659):        │   textDirection: ltr
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#9
I/flutter (18659):        │   Rect.fromLTRB(16.0, 344.0, 376.7, 400.0)
I/flutter (18659):        │   label: "Custom labelHello world and this contains only
I/flutter (18659):        │     identifier, this text contains neither identifier nor label."
I/flutter (18659):        │   textDirection: ltr
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#10
I/flutter (18659):        │   Rect.fromLTRB(16.0, 416.0, 181.0, 440.0)
I/flutter (18659):        │   label: "Multi-tenant Example:"
I/flutter (18659):        │   textDirection: ltr
I/flutter (18659):        │
I/flutter (18659):        ├─SemanticsNode#11
I/flutter (18659):        │ │ Rect.fromLTRB(108.3, 456.0, 284.5, 496.0)
I/flutter (18659):        │ │
I/flutter (18659):        │ ├─SemanticsNode#12
I/flutter (18659):        │ │   Rect.fromLTRB(-4.0, -3.0, 177.0, 43.0)
I/flutter (18659):        │ │   label:
I/flutter (18659):        │ │     "Please open the product 1
I/flutter (18659):        │ │     to use this app."
I/flutter (18659):        │ │   textDirection: ltr
I/flutter (18659):        │ │   sortKey: OrdinalSortKey#493fc(order: 0.0)
I/flutter (18659):        │ │
I/flutter (18659):        │ └─SemanticsNode#13
I/flutter (18659):        │     Rect.fromLTRB(95.0, 17.0, 181.0, 43.0)
I/flutter (18659):        │     actions: tap
I/flutter (18659):        │     flags: isLink
I/flutter (18659):        │     label: " Learn more"
I/flutter (18659):        │     textDirection: ltr
I/flutter (18659):        │     sortKey: OrdinalSortKey#587bf(order: 1.0)
I/flutter (18659):        │
I/flutter (18659):        └─SemanticsNode#14
I/flutter (18659):          │ Rect.fromLTRB(88.9, 512.0, 303.8, 552.0)
I/flutter (18659):          │
I/flutter (18659):          ├─SemanticsNode#15
I/flutter (18659):          │   Rect.fromLTRB(-4.0, -3.0, 196.0, 43.0)
I/flutter (18659):          │   label:
I/flutter (18659):          │     "Please open the product 2
I/flutter (18659):          │     to access this app."
I/flutter (18659):          │   textDirection: ltr
I/flutter (18659):          │   sortKey: OrdinalSortKey#69083(order: 0.0)
I/flutter (18659):          │
I/flutter (18659):          └─SemanticsNode#16
I/flutter (18659):              Rect.fromLTRB(117.0, 17.0, 219.0, 43.0)
I/flutter (18659):              actions: tap
I/flutter (18659):              flags: isLink
I/flutter (18659):              label: " Find out more"
I/flutter (18659):              textDirection: ltr
I/flutter (18659):              sortKey: OrdinalSortKey#ed706(order: 1.0)
```

</details>


fixes https://github.com/flutter/flutter/issues/163842

---------

Co-authored-by: chunhtai <47866232+chunhtai@users.noreply.github.com>
2025-03-12 23:30:16 +00:00
René Kilczan
90d6f19d9a
Keyboard type update (#164274)
This fixes the bug #163013 by detecting changes of the `keyboardType`.

## Pre-launch Checklist

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- [ ] 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
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2025-03-12 21:02:48 +00:00
Jason Simmons
6316b48bca
Check for a null codec in MultiFrameImageStreamCompleter after calling _emitFrame (#165009)
_emitFrame invokes image listeners. A listener callback could remove all
of the MultiFrameImageStreamCompleter's listeners, resulting in a
_maybeDispose call that destroys the codec.

Fixes https://github.com/flutter/flutter/issues/164944
Fixes https://github.com/flutter/flutter/issues/164537
2025-03-12 17:17:30 +00:00
LongCatIsLooong
963f23e30e
computeDryLayout access size bad (#164663)
Asserts if `RenderBox.size` is accessed in `computeDryLayout`

Also changes `x is RenderObject` to `x != null` when x's static type is
`RenderObject?`.

## Pre-launch Checklist

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there for submitting PRs.
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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.
- [ ] 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
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- [ ] All existing and new tests are passing.

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2025-03-12 16:15:06 +00:00
StanleyCocos
9d2dcea4ab
feat(FixedExtentScrollController): Add parent class properties to the constructor. (#163190)
This request is to add configurable parameters keepScrollOffset and
debugLabel to FixedExtentScrollController.

- Fixes  https://github.com/flutter/flutter/issues/162972

## 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.
2025-03-11 16:33:03 +00:00
Bernardo Ferrari
b35c6be8c9
Add withDurationAndBounce to SpringDescription (#164411)
Part of https://github.com/flutter/flutter/issues/152587

###  Description:
With `withDurationAndBounce` (we could also rename to `withDuration`),
the user only has to worry about a single attribute: the bounce (and
duration, but they would have to worry with duration anyway. If they
don't, there is a default value already). The standard
`SpringDescription` has 3 values, so it is way more abstract. This
should help a lot people to make beautiful spring animations using
Flutter.

<img width="838" alt="image"
src="https://github.com/user-attachments/assets/4d0dccc7-0f97-4a13-99a4-268228b87f08"
/>

### Negative bounce:

I didn't enable bounce to be negative because the behavior is super
tricky. I don't know what formula Apple is using, but seems like it is
not public. There are many different formulas we can use, including the
one provided on the original issue, but then there is the risk of people
complaining it works differently than SwiftUI. I need to check if other
projects (react-spring, framer motion) support negative bounce, but
feels like this is something 99.9999% of people wouldn't expect or use,
so I think we are safe. I couldn't find a single usage of negative
bounce on Swift in all GitHub (without a duration, using code-search, vs
5k cases with positive values). Not even sure the todo is needed, but
won't hurt.


### Comparison

<details>
  <summary>Dart vs Swift testing results</summary>

```dart
 testWidgets('Spring Simulation Tests - Matching SwiftUI', (WidgetTester tester) async {
      // Test cases matching the Swift code's ranges
      List<({Duration duration, double bounce})> testCases = [
        (duration: const Duration(milliseconds: 100), bounce: 0.0),
        (duration: const Duration(milliseconds: 100), bounce: 0.3),
        (duration: const Duration(milliseconds: 100), bounce: 0.8),
        (duration: const Duration(milliseconds: 100), bounce: 1.0),
        (duration: const Duration(milliseconds: 500), bounce: 0.0),
        (duration: const Duration(milliseconds: 500), bounce: 0.3),
        (duration: const Duration(milliseconds: 500), bounce: 0.8),
        (duration: const Duration(milliseconds: 500), bounce: 1.0),
        (duration: const Duration(milliseconds: 1000), bounce: 0.0),
        (duration: const Duration(milliseconds: 1000), bounce: 0.3),
        (duration: const Duration(milliseconds: 1000), bounce: 0.8),
        (duration: const Duration(milliseconds: 1000), bounce: 1.0),
        (duration: const Duration(milliseconds: 2000), bounce: 0.0),
        (duration: const Duration(milliseconds: 2000), bounce: 0.3),
        (duration: const Duration(milliseconds: 2000), bounce: 0.8),
        (duration: const Duration(milliseconds: 2000), bounce: 1.0),
      ];

      for (final testCase in testCases) {
        SpringDescription springDesc = SpringDescription.withDurationAndBounce(
          duration: testCase.duration,
          bounce: testCase.bounce,
        );

        print(
          'Duration: ${testCase.duration.inMilliseconds / 1000}, Bounce: ${testCase.bounce}, Mass: ${springDesc.mass}, Stiffness: ${springDesc.stiffness}, Damping: ${springDesc.damping}',
        );
      }
    });
```
Output:
```
Duration: 0.1, Bounce: 0.0, Mass: 1.0, Stiffness: 3947.8417604357423, Damping: 125.66370614359171
Duration: 0.1, Bounce: 0.3, Mass: 1.0, Stiffness: 3947.8417604357423, Damping: 87.9645943005142
Duration: 0.1, Bounce: 0.8, Mass: 1.0, Stiffness: 3947.8417604357423, Damping: 25.132741228718338
Duration: 0.1, Bounce: 1.0, Mass: 1.0, Stiffness: 3947.8417604357423, Damping: 0.0
Duration: 0.5, Bounce: 0.0, Mass: 1.0, Stiffness: 157.91367041742973, Damping: 25.132741228718345
Duration: 0.5, Bounce: 0.3, Mass: 1.0, Stiffness: 157.91367041742973, Damping: 17.59291886010284
Duration: 0.5, Bounce: 0.8, Mass: 1.0, Stiffness: 157.91367041742973, Damping: 5.026548245743668
Duration: 0.5, Bounce: 1.0, Mass: 1.0, Stiffness: 157.91367041742973, Damping: 0.0
Duration: 1.0, Bounce: 0.0, Mass: 1.0, Stiffness: 39.47841760435743, Damping: 12.566370614359172
Duration: 1.0, Bounce: 0.3, Mass: 1.0, Stiffness: 39.47841760435743, Damping: 8.79645943005142
Duration: 1.0, Bounce: 0.8, Mass: 1.0, Stiffness: 39.47841760435743, Damping: 2.513274122871834
Duration: 1.0, Bounce: 1.0, Mass: 1.0, Stiffness: 39.47841760435743, Damping: 0.0
Duration: 2.0, Bounce: 0.0, Mass: 1.0, Stiffness: 9.869604401089358, Damping: 6.283185307179586
Duration: 2.0, Bounce: 0.3, Mass: 1.0, Stiffness: 9.869604401089358, Damping: 4.39822971502571
Duration: 2.0, Bounce: 0.8, Mass: 1.0, Stiffness: 9.869604401089358, Damping: 1.256637061435917
Duration: 2.0, Bounce: 1.0, Mass: 1.0, Stiffness: 9.869604401089358, Damping: 0.0
```

Swift:
```swift
import SwiftUI
import XCTest

class SpringParameterTests: XCTestCase {

    func printSpringParameters(duration: Double, bounce: Double) {
        let spring = Spring(duration: duration, bounce: bounce) // Let SwiftUI do its thing
        print("Duration: \(duration), Bounce: \(bounce), Mass: \(spring.mass), Stiffness: \(spring.stiffness), Damping: \(spring.damping)")
    }

    func testParameterExtraction() {
        // Test a range of durations and bounces
        let durations: [Double] = [0.1, 0.5, 1.0, 2.0]
        let bounces: [Double] = [0.0, 0.3, 0.8, 1.0]

        for duration in durations {
            for bounce in bounces {
                printSpringParameters(duration: duration, bounce: bounce)
            }
        }
    }
}
```
Output:
```
Duration: 0.1, Bounce: 0.0, Mass: 1.0, Stiffness: 3947.8417604357433, Damping: 125.66370614359172
Duration: 0.1, Bounce: 0.3, Mass: 1.0, Stiffness: 3947.841760435743, Damping: 87.96459430051421
Duration: 0.1, Bounce: 0.8, Mass: 1.0, Stiffness: 3947.8417604357423, Damping: 25.132741228718338
Duration: 0.1, Bounce: 1.0, Mass: 1.0, Stiffness: 3947.8417604357433, Damping: 0.0
Duration: 0.5, Bounce: 0.0, Mass: 1.0, Stiffness: 157.91367041742973, Damping: 25.132741228718345
Duration: 0.5, Bounce: 0.3, Mass: 1.0, Stiffness: 157.9136704174297, Damping: 17.59291886010284
Duration: 0.5, Bounce: 0.8, Mass: 1.0, Stiffness: 157.9136704174297, Damping: 5.026548245743668
Duration: 0.5, Bounce: 1.0, Mass: 1.0, Stiffness: 157.91367041742973, Damping: 0.0
Duration: 1.0, Bounce: 0.0, Mass: 1.0, Stiffness: 39.47841760435743, Damping: 12.566370614359172
Duration: 1.0, Bounce: 0.3, Mass: 1.0, Stiffness: 39.478417604357425, Damping: 8.79645943005142
Duration: 1.0, Bounce: 0.8, Mass: 1.0, Stiffness: 39.478417604357425, Damping: 2.513274122871834
Duration: 1.0, Bounce: 1.0, Mass: 1.0, Stiffness: 39.47841760435743, Damping: 0.0
Duration: 2.0, Bounce: 0.0, Mass: 1.0, Stiffness: 9.869604401089358, Damping: 6.283185307179586
Duration: 2.0, Bounce: 0.3, Mass: 1.0, Stiffness: 9.869604401089356, Damping: 4.39822971502571
Duration: 2.0, Bounce: 0.8, Mass: 1.0, Stiffness: 9.869604401089356, Damping: 1.256637061435917
Duration: 2.0, Bounce: 1.0, Mass: 1.0, Stiffness: 9.869604401089358, Damping: 0.0
```
There are minor differences which should be rounding errors.

</details>
2025-03-11 07:44:29 +00:00
Srivats Venkataraman
d452d04a07
#163840 - CupertinoButton cursor doesn't change to clickable on desktop (#164196)
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This PR addresses Issue number: 163840, where when hovering over a
Cupertino button the mouse cursor wouldn't switch to clickable and there
wasn't any option to configure it.

Adds Mouse cursor to CupertinoButton, CupertinoButton.Filled and
CupertinoButton.Tinted

Fixes https://github.com/flutter/flutter/issues/163840
Part of https://github.com/flutter/flutter/issues/58192

Demo of the changes


https://github.com/user-attachments/assets/2e5d874e-cdfe-44bf-9710-bbbde99be3f7

Code snippet showing new behavior

```dart
import 'package:flutter/cupertino.dart';

void main() => runApp(
  // const Center(child: Text('Hello, world!', key: Key('title'), textDirection: TextDirection.ltr)),
  CupertinoApp(
    theme: const CupertinoThemeData(
      brightness: Brightness.light,
    ),
    home: Center(
      child: Column(
        spacing: 5.0,
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: <Widget>[
          CupertinoButton(
            onPressed: (){},
            child: const Text('Default Cursor'),
          ),
          CupertinoButton(
            onPressed: (){},
            mouseCursor: SystemMouseCursors.grab,
            child: const Text('Custom Cursor'),
          ),
          CupertinoButton.filled(
            onPressed: (){},
            mouseCursor: SystemMouseCursors.copy,
            child: const Text('Custom Cursor 2'),
          ),
          CupertinoButton.tinted(
            onPressed: (){},
            mouseCursor: SystemMouseCursors.help,
            child: const Text('Custom Cursor 2'),
          ),
        ],
      )
    ),
  ),
);
```


*List which issues are fixed by this PR. You must list at least one
issue. An issue is not required if the PR fixes something trivial like a
typo.*

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

## Pre-launch Checklist



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we expect every widget to implement].
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- [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].
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---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
Co-authored-by: Tirth <pateltirth454@gmail.com>
Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2025-03-11 02:12:05 +00:00
Victor Sanni
cd433d4d36
Align nav bar bottom transition with large title animation (#162097)
Makes the bottom widget sync up with the large title in hero transitions
between nav bars.

## Before


https://github.com/user-attachments/assets/3f8c67c3-20c2-4751-b29b-7db8d3f3409f

## After

https://github.com/user-attachments/assets/5e4c966f-1818-4851-87a1-0bf613ebda0b


## Native searchable-to-searchable:



https://github.com/user-attachments/assets/56cf93e0-e529-4ca8-9f49-4e40f710e5ed

## Flutter searchable-to-searchable:




https://github.com/user-attachments/assets/a98d9f53-8d4b-44cf-afa9-541751c21172







Fixes [CupertinoSliverNavigationBar/CupertinoNavigationBar bottom is not
displayed during nav bar flying hero
transitions](https://github.com/flutter/flutter/issues/162203)

## 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.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
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2025-03-10 19:36:04 +00:00
Sarbagya Dhaubanjar
6d6d7914f9
Added calendar delegate to support custom calendar systems (#161874)
Added `CalendarDelegate` class that supports plugging in custom calendar
logics other than Gregorian Calendar System.

Here is an example implementation for Nepali(Bikram Sambat) Calendar
System:
https://github.com/sarbagyastha/nepali_date_picker/blob/m3/lib/src/nepali_calendar_delegate.dart

Demo using the `NepaliDatePickerDelegate`:
https://date.sarbagyastha.com.np/

Fixes https://github.com/flutter/flutter/issues/77531,
https://github.com/flutter/flutter/issues/161873

## 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: Tong Mu <dkwingsmt@users.noreply.github.com>
2025-03-08 02:41:17 +00:00
Elliott Brooks
b7bea22ab8
[Widget Inspector] Handle null exceptions calling renderObject (#163642)
Fixes https://github.com/flutter/devtools/issues/8905

Based on the stacktrace in
https://github.com/flutter/devtools/issues/8905:

* This call to `renderObject` can throw a null-exception:
39b4951f8f/packages/flutter/lib/src/widgets/framework.dart (L3745)
* That exception is thrown here:
39b4951f8f/packages/flutter/lib/src/widgets/framework.dart (L6534)

I've been unable to figure out a way to get into a state that reproduces
this. Instead, this PR simply handles the exception and returns `null`
(because we already gracefully handle the case where the `renderObject`
is `null`.
2025-03-07 21:21:55 +00:00
chunhtai
e0b9869468
Adds aria-controls support (#163894)
<!--
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To learn more about code review, see our documentation on Tree Hygiene:
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adding a new property in semantics properties called
controlsVisibilityOfNodes, where developer can assign
SemanticsProperties.identifier of other nodes to indicates which nodes'
visibilities this node controls

fixes https://github.com/flutter/flutter/issues/162125

## 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 -->
[Contributor Guide]:
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[Tree Hygiene]:
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[CLA]: https://cla.developers.google.com/
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[breaking change policy]:
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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
2025-03-06 22:41:09 +00:00
Mairramer
40e4c5eed1
Adds animateToItem to the CarouselController (#162694)
Closes  #161368 
This PR adds the `animateToItem` method to the `CarouselController`,
enabling smooth, index-based navigation for carousels with fixed or
dynamically-sized items (via `flexWeights`).


https://github.com/user-attachments/assets/c0fe375a-5495-4d56-8b2d-0bd6d0bd0639


## 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].
- [ ] 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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[Tree Hygiene]:
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[test-exempt]:
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[Features we expect every widget to implement]:
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[CLA]: https://cla.developers.google.com/
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[Discord]:
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[Data Driven Fixes]:
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2025-03-05 21:27:21 +00:00
Kishan Rathore
b44f717d57
Fix: Update CupertinoSheetRoute transition rounded corner (#163700)
Fix: Update CupertinoSheetRoute transition rounded corner
fixes: #163334 

## 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.
2025-03-05 20:49:55 +00:00
Victor Sanni
57cddce924
Fix race condition causing crash when interacting with an animating scrollable (#164392)
Fix https://github.com/flutter/flutter/issues/163297
Fix https://github.com/flutter/flutter/issues/14452

Partial patch: https://github.com/flutter/flutter/pull/37267

## 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].
- [ ] 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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[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
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[Discord]:
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[Data Driven Fixes]:
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2025-03-05 17:41:20 +00:00
Tong Mu
0357b45337
Add clipRSuperellipse, and use them for dialogs (#161111)
This PR makes Flutter support `clipRSuperellipse`, and apply it to
`CupertinoAlertDialog`.

Hit tests related to RSuperellipse are performed based on its bounding
box, since the computation is too complicated and pixel perfect hit test
is not needed practically.

Native:
<img
src="https://github.com/user-attachments/assets/8f9b472a-e624-4eef-9cea-e81b80f32b86"
width="400"/>

Native vs before: (The two screenshots are stacked and offset by (1, 1)
pixels. See the bottom right corner for comparison.)
<img
src="https://github.com/user-attachments/assets/ffaf62fc-a82f-4c7a-9ff1-52374f4f2a67"
width="400"/>

Native vs after: 
<img
src="https://github.com/user-attachments/assets/3dfde2b0-bcc6-492a-8d97-ecabdf97f6f0"
width="400"/>

After only:
<img
src="https://github.com/user-attachments/assets/32b2a665-a0da-498f-acdb-598553940964"
width="400"/>


## 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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[Tree Hygiene]:
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[Data Driven Fixes]:
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2025-03-05 02:06:12 +00:00
Kamil Szczęk
612d39e0e6
feat(Tooltip): pass the default text style down the tree (#163259)
Modify the tooltip's DefaultTextStyle to use the actual default text
style picked to fit the current theme and platform instead of hardcoding
the bodyMedium text style.

Closes: #163255

## 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].
- [ ] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-03-04 22:15:19 +00:00
Loïc Sharma
7d8c78ce20
[A11y] Add radio group role (#164154)
This adds a new "radio group" accessibility role to `dart:ui` and the
Flutter web engine.

This does not update existing widgets to use this new role. Currently,
users must manually add a `Semantics` widget to use this accessibility
role. See the example app below.

Part of: https://github.com/flutter/flutter/issues/162093

## Example app

<details>
<summary>Example app that uses the radio group role...</summary>

```dart
import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:flutter/semantics.dart';

void main() {
  runApp(const RadioExampleApp());
  SemanticsBinding.instance.ensureSemantics();
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('Radio Sample')),
        body: const Center(child: RadioExample()),
      ),
    );
  }
}

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

  @override
  State<RadioExample> createState() => _RadioExampleState();
}

class _RadioExampleState extends State<RadioExample> {
  int _groupValue = 0;

  @override
  Widget build(BuildContext context) {
    return Semantics(
      label: 'Radio group',
      role: SemanticsRole.radioGroup,
      explicitChildNodes: true,
      child: Column(
        children: <Widget>[
          ListTile(
            title: const Text('Foo'),
            leading: Radio<int>(
              value: 0,
              groupValue: _groupValue,
              onChanged: (int? value) => setState(() => _groupValue = value ?? 0),
            ),
          ),
          ListTile(
            title: const Text('Bar'),
            leading: Radio<int>(
              value: 1,
              groupValue: _groupValue,
              onChanged: (int? value) => setState(() => _groupValue = value ?? 0),
            ),
          ),
        ],
      ),
    );
  }
}
```

</details>

<details>
<summary>Accessibility tree...</summary>

```
SemanticsNode#0
 │ Rect.fromLTRB(0.0, 0.0, 1200.0, 924.0)
 │
 └─SemanticsNode#1
   │ Rect.fromLTRB(0.0, 0.0, 1200.0, 924.0)
   │ textDirection: ltr
   │
   └─SemanticsNode#2
     │ Rect.fromLTRB(0.0, 0.0, 1200.0, 924.0)
     │ sortKey: OrdinalSortKey#83a1d(order: 0.0)
     │
     └─SemanticsNode#3
       │ Rect.fromLTRB(0.0, 0.0, 1200.0, 924.0)
       │ flags: scopesRoute
       │
       ├─SemanticsNode#9
       │ │ Rect.fromLTRB(0.0, 0.0, 1200.0, 56.0)
       │ │
       │ └─SemanticsNode#10
       │     Rect.fromLTRB(532.6, 14.0, 667.4, 42.0)
       │     flags: isHeader
       │     label: "Radio Sample"
       │     textDirection: ltr
       │
       └─SemanticsNode#4
         │ Rect.fromLTRB(0.0, 56.0, 1200.0, 924.0)
         │ label: "Radio group"
         │ textDirection: ltr
         │ role: radioGroup
         │
         ├─SemanticsNode#5
         │ │ Rect.fromLTRB(0.0, 0.0, 1200.0, 48.0)
         │ │ flags: hasSelectedState, hasEnabledState, isEnabled
         │ │ label: "Foo"
         │ │ textDirection: ltr
         │ │
         │ └─SemanticsNode#6
         │     Rect.fromLTRB(16.0, 8.0, 48.0, 40.0)
         │     actions: focus, tap
         │     flags: hasCheckedState, hasSelectedState, hasEnabledState,
         │       isEnabled, isInMutuallyExclusiveGroup, isFocusable
         │
         └─SemanticsNode#7
           │ Rect.fromLTRB(0.0, 48.0, 1200.0, 96.0)
           │ flags: hasSelectedState, hasEnabledState, isEnabled
           │ label: "Bar"
           │ textDirection: ltr
           │
           └─SemanticsNode#8
               Rect.fromLTRB(16.0, 8.0, 48.0, 40.0)
               actions: focus, tap
               flags: hasCheckedState, isChecked, hasSelectedState, isSelected,
                 hasEnabledState, isEnabled, isInMutuallyExclusiveGroup,
                 isFocusable
```

</details>

<details>
<summary>HTML generated by Flutter web...</summary>

```html
<html>
...

<body flt-embedding="full-page" flt-renderer="canvaskit" flt-build-mode="debug" spellcheck="false" style="...">
  ...
  <flt-announcement-host>
    <flt-announcement-polite aria-live="polite" style="...">
      <flt-announcement-assertive aria-live="assertive" style="...">
        <flutter-view style="...">
          <flt-glass-pane></flt-glass-pane>
          <flt-text-editing-host></flt-text-editing-host>
          <flt-semantics-host style="...">
            <flt-semantics id="flt-semantic-node-0" style="...">
              <flt-semantics-container style="...">
                <flt-semantics id="flt-semantic-node-1" style="...">
                  <flt-semantics-container style="...">
                    <flt-semantics id="flt-semantic-node-2" style="...">
                      <flt-semantics-container style="...">
                        <flt-semantics id="flt-semantic-node-3" role="dialog" style="...">
                          <flt-semantics-container style="...">
                            <flt-semantics id="flt-semantic-node-9" style="...">
                              <flt-semantics-container style="...">
                                <h2 id="flt-semantic-node-10" tabindex="-1" style="...">
                                  Radio Sample</h2>
                              </flt-semantics-container>
                            </flt-semantics>
                            <flt-semantics id="flt-semantic-node-4" role="radiogroup" aria-label="Radio group"
                              style="...">
                              <flt-semantics-container style="...">
                                <flt-semantics id="flt-semantic-node-5" role="group" aria-label="Foo"
                                  aria-selected="false" style="...">
                                  <flt-semantics-container style="...">
                                    <flt-semantics id="flt-semantic-node-6" tabindex="0" flt-tappable="" role="radio"
                                      aria-checked="false" style="...">
                                    </flt-semantics>
                                  </flt-semantics-container>
                                </flt-semantics>
                                <flt-semantics id="flt-semantic-node-7" role="group" aria-label="Bar"
                                  aria-selected="false" style="...">
                                  <flt-semantics-container style="...">
                                    <flt-semantics id="flt-semantic-node-8" tabindex="0" flt-tappable="" role="radio"
                                      aria-checked="true" style="...">
                                    </flt-semantics>
                                  </flt-semantics-container>
                                </flt-semantics>
                              </flt-semantics-container>
                            </flt-semantics>
                          </flt-semantics-container>
                        </flt-semantics>
                      </flt-semantics-container>
                    </flt-semantics>
                  </flt-semantics-container>
                </flt-semantics>
              </flt-semantics-container>
            </flt-semantics>
          </flt-semantics-host>
</body>

</html>
```

</details>

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-03-03 21:42:08 +00:00
yim
246d6c6834
Make pressing and moving on CupertinoButton closer to native behavior. (#161731)
Fixes: #91581 

This PR adds an `onTapMove` event to `TapGestureRecognizer`, and then
`CupertinoButton` uses this event to implement the behavior of the
native iOS `UIButton` (as shown in the issue). It is worth noting that
this PR slightly changes the way `CupertinoButton`'s `onPressed` is
triggered. Specifically, it changes from being triggered by
`TapGestureRecognizer`'s `onTap` to checking if the event position is
still above the button in `TapGestureRecognizer`'s `onTapUp`.
Additionally, it removes the previous behavior where the gesture was
canceled if moved beyond `kScaleSlop` (18 logical pixels). Overall,
previously, `onPressed` could not be triggered if the button was pressed
and then moved more than 18 pixels. This PR adjusts it so that
`onPressed` cannot be triggered if the button is pressed and then moved
outside the button.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
2025-02-28 23:57:35 +00:00
Kishan Rathore
1bafd3e0d6
Fix: Update DelegatedTransition animation parameter correctly (#163853)
Fix: Update DelegatedTransition animation parameter correctly
fixes: #163389 

## 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.
2025-02-28 21:05:26 +00:00
Hannes Hultergård
6958d086bc
Add action for configuring default action of EditableText.onTapUpOutside (#162575)
This PR adds an `Action` for configuring a default action of
`EditableText.onTapUpOutside`. This is the equivalent to what
https://github.com/flutter/flutter/pull/150125 did for
`EditableText.onTapOutside`.

Fixes https://github.com/flutter/flutter/issues/162212

## 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.

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

---------

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2025-02-28 19:01:33 +00:00