1137 Commits

Author SHA1 Message Date
Ashok Narayan
3e034fce05
Improve accessibility contrast for pre-test message (#180469)
Fixes https://github.com/flutter/flutter/issues/179181

The pre-test message "Test starting..." previously had a contrast ratio
of 2.99:1 against the background, which is below the recommended 3:1
minimum for accessibility.

This PR slightly adjusts the text color from 0xFF917FFF to 0xFF8F7FFF
to meet the minimum contrast requirement while preserving the visual
appearance.
2026-02-05 21:22:24 +00:00
Giancarlo Cante
2dd672d6ca
Rename "widgetTester" parameter to "tester" in "WidgetTesterCallback" (#180944)
Fixes #180476

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Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2026-02-05 18:48:58 +00:00
Matthew Kosarek
923eac37f2
feature: implementation of tooltips in the _TestWindowingOwner and minor bugfixes to the multiple windows example app (#181510)
## What's new?
- Implemented `_TestTooltipWindowController` in the `TestWindowingOwner`
- Fixed how child windows of the main window are rendered in the
application
- Introduced `WindowManager.getChildrenOf` to simplify filtering and
rendering of the children of a parent window
- Added a test for the tooltip window
- Added a test for modal dialogs of the main window

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
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we expect every widget to implement].
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[test-exempt].
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Fixes] where supported.
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2026-02-03 18:56:54 +00:00
chunhtai
48ac3f5a41
Fixes duplicated import in accessibility test library (#181506)
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2026-01-26 20:59:22 +00:00
Tong Mu
0161fc7caf
Fix leaks in flutter_test tests (#180879)
Following https://github.com/flutter/flutter/pull/176992, this PR fixes
all leaks in `flutter_test` tests.

A new method is added to reliably dispose the root layer of render
views. Feel free to let me know if you have suggestions for the name!

## Pre-launch Checklist

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2026-01-23 00:37:19 +00:00
Navaron Bracke
b4a23495b4
fix description for semantics finders (#181214)
Fixes https://github.com/flutter/flutter/issues/181196

This PR fixes the description for the bySemanticsLabel/Identifier
matchers, which was missing.

Note: The framework uses `byElementPredicate()` in a bunch of places in
tests, but not all use the `description` field.
Should we add descriptions to those?

Example:

```dart
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('bySemanticsLabel', (tester) async {
    await tester.pumpWidget(const MaterialApp(home: Text('hello')));
    await tester.pumpAndSettle();
    expect(find.bySemanticsLabel('goodbye'), findsOneWidget);
  });

  testWidgets('bySemanticsLabel regex', (tester) async {
    await tester.pumpWidget(const MaterialApp(home: Text('hello')));
    await tester.pumpAndSettle();
    expect(find.bySemanticsLabel(RegExp('^foo')), findsOneWidget);
  });

  testWidgets('bySemanticsIdentifier', (tester) async {
    await tester.pumpWidget(const MaterialApp(home: Text('hello')));
    await tester.pumpAndSettle();
    expect(find.bySemanticsIdentifier('goodbye'), findsOneWidget);
  });

  testWidgets('bySemanticsIdentifier regex', (tester) async {
    await tester.pumpWidget(const MaterialApp(home: Text('hello')));
    await tester.pumpAndSettle();
    expect(find.bySemanticsIdentifier(RegExp('^foo')), findsOneWidget);
  });
}
```

now gives:

```dart
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following TestFailure was thrown running a test:
Expected: exactly one matching candidate
  Actual: _ElementPredicateWidgetFinder:<Found 0 widgets with a semantics label named "goodbye": []>
   Which: means none were found but one was expected

When the exception was thrown, this was the stack:
#4      main.<anonymous closure> (file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart:8:5)
<asynchronous suspension>
#5      testWidgets.<anonymous closure>.<anonymous closure> (package:flutter_test/src/widget_tester.dart:192:15)
<asynchronous suspension>
#6      TestWidgetsFlutterBinding._runTestBody (package:flutter_test/src/binding.dart:1692:5)
<asynchronous suspension>
<asynchronous suspension>
(elided one frame from package:stack_trace)

This was caught by the test expectation on the following line:
  file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart line 8
The test description was:
  bySemanticsLabel
════════════════════════════════════════════════════════════════════════════════════════════════════
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following TestFailure was thrown running a test:
Expected: exactly one matching candidate
  Actual: _ElementPredicateWidgetFinder:<Found 0 widgets with a semantics label matching the pattern
"^foo": []>
   Which: means none were found but one was expected

When the exception was thrown, this was the stack:
#4      main.<anonymous closure> (file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart:14:5)
<asynchronous suspension>
#5      testWidgets.<anonymous closure>.<anonymous closure> (package:flutter_test/src/widget_tester.dart:192:15)
<asynchronous suspension>
#6      TestWidgetsFlutterBinding._runTestBody (package:flutter_test/src/binding.dart:1692:5)
<asynchronous suspension>
<asynchronous suspension>
(elided one frame from package:stack_trace)

This was caught by the test expectation on the following line:
  file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart line 14
The test description was:
  bySemanticsLabel regex
════════════════════════════════════════════════════════════════════════════════════════════════════
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following TestFailure was thrown running a test:
Expected: exactly one matching candidate
  Actual: _ElementPredicateWidgetFinder:<Found 0 widgets with a semantics identifier named
"goodbye": []>
   Which: means none were found but one was expected

When the exception was thrown, this was the stack:
#4      main.<anonymous closure> (file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart:20:5)
<asynchronous suspension>
#5      testWidgets.<anonymous closure>.<anonymous closure> (package:flutter_test/src/widget_tester.dart:192:15)
<asynchronous suspension>
#6      TestWidgetsFlutterBinding._runTestBody (package:flutter_test/src/binding.dart:1692:5)
<asynchronous suspension>
<asynchronous suspension>
(elided one frame from package:stack_trace)

This was caught by the test expectation on the following line:
  file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart line 20
The test description was:
  bySemanticsIdentifier
════════════════════════════════════════════════════════════════════════════════════════════════════
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following TestFailure was thrown running a test:
Expected: exactly one matching candidate
  Actual: _ElementPredicateWidgetFinder:<Found 0 widgets with a semantics identifier matching the
pattern "^foo": []>
   Which: means none were found but one was expected

When the exception was thrown, this was the stack:
#4      main.<anonymous closure> (file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart:26:5)
<asynchronous suspension>
#5      testWidgets.<anonymous closure>.<anonymous closure> (package:flutter_test/src/widget_tester.dart:192:15)
<asynchronous suspension>
#6      TestWidgetsFlutterBinding._runTestBody (package:flutter_test/src/binding.dart:1692:5)
<asynchronous suspension>
<asynchronous suspension>
(elided one frame from package:stack_trace)

This was caught by the test expectation on the following line:
  file:///Users/navaronbracke/Desktop/matchers_test/test/widget_test.dart line 26
The test description was:
  bySemanticsIdentifier regex
════════════════════════════════════════════════════════════════════════════════════════════════════

```

*If you had to change anything in the [flutter/tests] repo, include a
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2026-01-21 23:11:00 +00:00
Kostia Sokolovskyi
697572a67c
[Android] Add display corner radii support. (#179219)
Closes https://github.com/flutter/flutter/issues/97349
Unblocks https://github.com/flutter/flutter/issues/178463

### Description

This PR focuses only on the Android side.

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

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

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
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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
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- [X] I followed the [breaking change policy] and added [Data Driven
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---------

Co-authored-by: Matt Boetger <matt.boetger@gmail.com>
2026-01-21 18:13:00 +00:00
chunhtai
d81cd3e6f6
Migrate doc and code to use sendAnnounce (#180776)
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as title

## Pre-launch Checklist

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responsibilities.
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we expect every widget to implement].
- [ ] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
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2026-01-12 17:32:54 +00:00
Matthew Kosarek
e064e75676
Implementation of tooltip windows for win32 (#179147)
## What's new?
- Implemented tooltip windows for the Win32 platform
- Implemented size-to-content on Win32
- Wired up the window metrics event with constraints
- Updated the example application to demonstrate tooltips
- Wrote a bunch of unit tests

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
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: Matej Knopp <matej.knopp@gmail.com>
2026-01-08 21:53:56 +00:00
Kostia Sokolovskyi
3892c57dd6
Add new motion accessibility features to iOS. (#178102)
Closes https://github.com/flutter/flutter/issues/177330
Contributes to https://github.com/flutter/flutter/issues/175878

### Description

This PR implements support for three new iOS accessibility motion
features.
- `Auto-Play Animated Images`: Informs the app when the user has chosen
to pause automatically playing GIFs and other animated content.
- `Auto-Play Video Previews`: Informs the app when the user has disabled
the automatic playback of video previews.
- `Prefer Non-Blinking Cursor`: Informs the app that the user prefers a
non-blinking text insertion indicator in editable text fields.

The original issue requested seven features. I was able to find and
implement features with clear, public, and general-purpose APIs.

The remaining features were not included for the following reasons:

- `Vehicle Motion Cues`: No public API found.
- `Auto-Play Message Effects`: No public API found. This is likely a
feature exclusive to the Messages framework.
- `Limit Frame Rate`: No public API found.
- `Dim Flashing Lights`: There is a public API available
[MADimFlashingLightsEnabled](https://developer.apple.com/documentation/mediaaccessibility/madimflashinglightsenabled()).
It is intended for media playback frameworks. It's unclear if exposing
this feature is necessary or actionable for a general-purpose
application UI.

| Feature Name | API | Flutter AccessibilityFeatures |
| :-: | :-: | :-: |
| Vehicle Motion Cues | - | - |
| Dim Flashing Lights |
[MADimFlashingLightsEnabled](https://developer.apple.com/documentation/mediaaccessibility/madimflashinglightsenabled())
| - |
| Auto-Play Animated Images |
[animatedImagesEnabled](https://developer.apple.com/documentation/accessibility/accessibilitysettings/animatedimagesenabled)
| autoPlayAnimatedImages |
| Auto-Play Video Previews |
[isVideoAutoplayEnabled](https://developer.apple.com/documentation/uikit/uiaccessibility/isvideoautoplayenabled)
| autoPlayVideos |
| Auto-Play Message Effects | - | - |
| Prefer Non-Blinking Cursor |
[prefersNonBlinkingTextInsertionIndicator](https://developer.apple.com/documentation/accessibility/accessibilitysettings/prefersnonblinkingtextinsertionindicator)
| deterministicCursor |
| Limit Frame Rate | - | - |

The `AccessibilityFeatures.swift` was introduced to refactor all native
iOS accessibility logic into a single, dedicated class. This change
moves the responsibility of querying settings and observing
notifications out of `FlutterViewController.mm`, which cleans up the
controller, simplifies future maintenance, and makes logic
unit-testable.

### Demo


https://github.com/user-attachments/assets/1b3e7a2f-03b4-4716-959e-dbeea938e4d2

<details closed><summary>Code sample</summary>

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

void main() {
  runApp(
    MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Screen(),
    ),
  );
}

class Screen extends StatefulWidget {
  @override
  State<Screen> createState() => _ScreenState();
}

class _ScreenState extends State<Screen> with WidgetsBindingObserver {
  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
  }

  @override
  void didChangeAccessibilityFeatures() {
    super.didChangeAccessibilityFeatures();
    if (mounted) {
      setState(() {});
    }
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final accessibilityFeatures = View.of(
      context,
    ).platformDispatcher.accessibilityFeatures;

    return Scaffold(
      body: Center(
        child: Column(
          spacing: 10,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            for (final feature in [
              'accessibleNavigation: ${accessibilityFeatures.accessibleNavigation}',
              'invertColors: ${accessibilityFeatures.invertColors}',
              'disableAnimations: ${accessibilityFeatures.disableAnimations}',
              'boldText: ${accessibilityFeatures.boldText}',
              'reduceMotion: ${accessibilityFeatures.reduceMotion}',
              'highContrast: ${accessibilityFeatures.highContrast}',
              'onOffSwitchLabels: ${accessibilityFeatures.onOffSwitchLabels}',
              'supportsAnnounce: ${accessibilityFeatures.supportsAnnounce}',
              'autoPlayAnimatedImages: ${accessibilityFeatures.autoPlayAnimatedImages}',
              'autoPlayVideos: ${accessibilityFeatures.autoPlayVideos}',
              'deterministicCursor: ${accessibilityFeatures.deterministicCursor}',
            ])
              Text(feature),
          ],
        ),
      ),
    );
  }
}
```

</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.
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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.

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---------

Co-authored-by: chunhtai <47866232+chunhtai@users.noreply.github.com>
2026-01-08 21:06:41 +00:00
Victor Sanni
6679464ef2
Raw tooltip with smaller API surface that exposes tooltip widget (#177678)
The raw widget used to make a
[Tooltip](https://api.flutter.dev/flutter/material/Tooltip-class.html).

Design doc: flutter.dev/go/codeshare-tooltip

## Constructor
```dart
class RawTooltip extends StatefulWidget {
  const RawTooltip({
    super.key,
    required this.semanticsTooltip,
    required this.tooltipBuilder,
    this.enableTapToDismiss = true,
    this.triggerMode = TooltipTriggerMode.longPress,
    this.enableFeedback = true,
    this.onTriggered,
    this.hoverDelay = Duration.zero,
    this.touchDelay = const Duration(milliseconds: 1500),
    this.dismissDelay = const Duration(milliseconds: 100),
    this.animationStyle = _kDefaultAnimationStyle,
    this.positionDelegate,
    required this.child,
  });
```

## Properties
```dart
  final String semanticsTooltip;
  final TooltipComponentBuilder tooltipBuilder;
  final Duration hoverDelay;
  final Duration touchDelay;
  final Duration dismissDelay;
  final bool enableTapToDismiss;
  final TooltipTriggerMode triggerMode;
  final bool enableFeedback;
  final TooltipTriggeredCallback? onTriggered;
  final AnimationStyle animationStyle;
  final TooltipPositionDelegate? positionDelegate;
  final Widget child;
```

Part of [☂️ Reinforcement: Add more basic components to the core
framework](https://github.com/flutter/flutter/issues/97496)
Part of [☂️ Reinforcement: Refactor widgets from design into the core
before decoupling](https://github.com/flutter/flutter/issues/53059)
Fixes [Custom Overlay for Tooltip Widget
](https://github.com/flutter/flutter/issues/45034)

---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
Co-authored-by: chunhtai <47866232+chunhtai@users.noreply.github.com>
2026-01-07 21:58:42 +00:00
Emmanuel
5d46d0f0f7
New isSemantics and deprecate containsSemantics (#180538)
Fix #180534

## Pre-launch Checklist

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there for submitting PRs.
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responsibilities.
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we expect every widget to implement].
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above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [X] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [X] All existing and new tests are passing.
2026-01-07 20:05:09 +00:00
Emmanuel
68d3d7b421
Add accessibilityAnnouncement matcher (#180058)
Fix #180057

## 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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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.

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2026-01-05 20:54:06 +00:00
Matthew Kosarek
4333b7722c
Implement popup windows in the API and test code (#179757)
## What's new?
- Add `PopupWindowController`, `PopupWindowControllerDelegate`, and
`PopupWindow`
- Implement reference logic for popup windows in the test bindings
- Add tests for the popup windows API

## 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].
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above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.
2026-01-05 17:18:16 +00:00
chunhtai
423a30323c
Relands "Feat: Add a11y for loading indicators (#165173)" (#178402)
This reverts commit ef29db350f0951ab976e2fdb5d092e65578329e5.

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reland https://github.com/flutter/flutter/pull/165173

## Pre-launch Checklist

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2026-01-02 22:43:24 +00:00
Qun Cheng
08e122f466
Add error description for nbsp character(\u202f) (#178895)
This PR is to add a more clear error description when there is a special
white space NNBSP(\u202f). This whitespace character is used to connect
time and "am"/"pm".

In this PR, I only updated the description in `_MatchesSemanticsData`
and still not sure if it's necessary to create another custom matcher
class to ignore special whitespace. I think it's valid to directly
update users' test results since the expected results have indeed
changed.

This is my experiment for the whitespace change when we update
generated_date_localization.dart: cl/831625146
I went through all Scuba diffs and all results look expected. Once this
is landed, we can use the CL change (except the image change) as g3fix
to update the date localizations.

Fixes https://github.com/flutter/flutter/issues/177479

## 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.
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2025-12-22 21:04:06 +00:00
Matthew Kosarek
4000ce2b4e
Implementation of TestWindowingOwner for testing multi-window (#179355)
## What's new?
This pull request makes it so that multi window applications can be
tested via `testWidgets`. This PR implements the following:

- A `_TestWindowingOwner` that is used by the
`TestWidgetsFlutterBinding`
- A `_TestRegularWindowController` implementation
- A `_TestDialogWindowController` implementation
- A `_TestFlutterView` and `_TestDisplay` for use by the controllers
- Proper `isActivated` status across controllers
- Proper minimization, maximization, and fullscreen status
- Proper sizing (based on constraints)
- Using the new testing abilities in the multiple windows example app

I have purposefully not implemented tooltip windows yet, as they are
still awaiting an implementation in Win32 to be useful.

## 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.
2025-12-08 14:17:38 +00:00
Matthew Kosarek
a99fb28619
Resolving and piping the view ID through the WidgetController and the TestPointer so that clicks wind up on the right view (#178941)
## What's new?
- While coming up with a scheme for testing multi-window, I realize that
issuing taps in `testWidgets` across views was not working because the
view was always being set to `0`
- The fix is to resolve the view when we can, and provide an optional
view in the other methods

## 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].
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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.
2025-12-01 18:25:39 +00:00
Kate Lovett
9d96df2364
Modernize framework lints (#179089)
WIP

Commits separated as follows:
- Update lints in analysis_options files
- Run `dart fix --apply`
- Clean up leftover analysis issues 
- Run `dart format .` in the right places.

Local analysis and testing passes. Checking CI now.

Part of https://github.com/flutter/flutter/issues/178827
- Adoption of flutter_lints in examples/api coming in a separate change
(cc @loic-sharma)

## Pre-launch Checklist

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2025-11-26 01:10:39 +00:00
Flop
35d95023da
Disposes test restoration manager when accessed by bindings (#176519)
Fixes #169119

## Details

The error caused by drag is due to the reference to
`ServicesBinding.instance.restorationManager` in the
`ScrollableState.saveOffset` method.


018897e3f1/packages/flutter/lib/src/widgets/scrollable.dart (L648-L656)

The TestWidgetsFlutterBinding now only cleans up the
`restorationManager` when `reset` is called. Therefore, we need to find
an appropriate place to clean up the `restorationManager`.


018897e3f1/packages/flutter_test/lib/src/binding.dart (L239-L263)


018897e3f1/packages/flutter_test/lib/src/widget_tester.dart (L188-L193)

## 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.

---------

Co-authored-by: Victor Sanni <victorsanniay@gmail.com>
2025-11-24 21:24:54 +00:00
auto-submit[bot]
ef29db350f
Reverts "Feat: Add a11y for loading indicators (#165173)" (#178316)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#165173
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: chingjun
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: The PR did not finish "Google Testing", and
actually caused several failures in Google
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: rkishan516
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {chunhtai, flutter-zl}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
Feat: Add a11y for loading indicators
fixes: #161631 

## 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.
<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-11-11 19:04:20 +00:00
Renzo Olivares
36b1877073
Listen to text spacing overrides on the web (#178081)
Original PR/Discussion: https://github.com/flutter/flutter/pull/172915

# Framework:
* `EditableText`/`SelectableText`, applies
`lineHeightScaleFactorOverride`, `wordSpacingOverride`, and
`letterSpacingOverride` to it's `TextStyle` similarly to how we already
do for bold platform overrides. Note `SelectableText` is built on
`EditableText` so it also applies these overrides.
* `Text`, applies `lineHeightScaleFactorOverride`,
`wordSpacingOverride`, and `letterSpacingOverride` to it's `TextStyle`
similarly to how we already do for bold platform overrides.
* Exposes line height override through
`MediaQueryData.lineHeightScaleFactorOverride` and
`maybeLineHeightScaleFactorOverrideOf(context)`.
* Exposes letter spacing override through
`MediaQueryData.letterSpacingOverride` and
`maybeLetterSpacingOverrideOf(context)`.
* Exposes word spacing override through
`MediaQueryData.wordSpacingOverride` and
`maybeWordSpacingOverrideOf(context)`.
* Exposes paragraph spacing override through
`MediaQueryData.paragraphSpacingOverride` and
`maybeParagraphSpacingOverrideOf(context)`.
* `MediaQuery.applyTextStyleOverrides()` \
`MediaQueryData.applyTextStyleOverrides()` to be able to reset/override
the text spacing settings on `MediaQueryData`.

# Engine:
* Introduces new members on `PlatformDispatcher` API that hold the text
spacing properties that are overridden on the web.
* We provide the `lineHeightScaleFactorOverride`,
`letterSpacingOverride`, `wordSpacingOverride`, and
`paragraphSpacingOverride` on the web by attaching a `ResizeObserver` to
an off-screen hidden element, when its size changes we capture its text
spacing CSS properties, and notify the framework through
`onMetricsChanged`.

Fixes #142712


https://github.com/user-attachments/assets/aaaa3e74-c232-4956-acd2-ae1a4487e415

## Pre-launch Checklist

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---------

Co-authored-by: Renzo Olivares <roliv@google.com>
2025-11-11 18:44:19 +00:00
Kishan Rathore
2981516d74
Feat: Add a11y for loading indicators (#165173)
Feat: Add a11y for loading indicators
fixes: #161631 

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2025-11-11 06:17:40 +00:00
Qun Cheng
fccfa978a9
Reland "Refactor OverlayPortal semantics (#173005)" (#178095)
Reverts flutter/flutter#178007

This PR is to reland https://github.com/flutter/flutter/pull/173005 and
add a fix to avoid infinite loop. The fix doesn't contain engine
changes.
2025-11-11 00:35:40 +00:00
Lau Ching Jun
f066ed6591
Revert "Refactor OverlayPortal semantics (#173005)" (#178007)
This reverts commit ccf6466b14e144971a7d65983bdd16459d65a62a.

~This is a test PR for investigation, the commit seems to be breaking a
customer app.~

The original PR caused b/457553134
2025-11-06 03:41:26 +00:00
Qun Cheng
ccf6466b14
Refactor OverlayPortal semantics (#173005)
Fixes https://github.com/flutter/flutter/issues/163576
Fixes https://github.com/flutter/flutter/issues/175184

This PR refactored the grafting part on `OverlayPortal`. Originally, the
semantics tree of `OverlayPortal` was constructed/grafted in render
object phase to make sure the correctness of the traversal order.
However this resulted wrong hit-test order and the issue surfaced on
web. With the fact that on web we are not able to graft/correct hit-test
order tree, this PR:
* Reverts the original grafting of the `OverlayPortal` so the hit-test
order is always correct.
* Then, we adds the grafting and updates the traversal order when we
send `childrenInTraversalOrder` to engine.
* Updating `childrenInTraversalOrder` causes it have different length
from the length of `childrenInHitTestOrder` and wrong hit-test transform
of the `OverlayPortal` children because when the transform is
calculated, it assumes a correct traversal order. To fix these issues,
this PR also:
  * recalculates the transform for `OverlayPortal` children.
  * adds `hitTestTransform` property and pass it to Android engine.
* skip grafting for web because it assumes the same length of
`childrenInTraversalOrder` and `childrenInHitTestOrder`.
* added grafting by using `ARIA-owns` in web engine to fix the traversal
order.

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2025-10-29 22:30:39 +00:00
Krzysztof Świętnicki
bb07841a70
Update description in _LastFinderMixin to properly describe finding last (#174232)
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---------

Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>
2025-10-01 05:36:19 +00:00
chunhtai
f86835076b
Adds dart ui API for setting application level locale (#175100)
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part of https://github.com/flutter/flutter/issues/99600

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2025-09-30 23:42:02 +00:00
Hannah Jin
bfde3e8f31
Update flutter test to use SemanticsFlags (#175987)
Update flutter test to use SemanticsFlags so it will support incoming
flags

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2025-09-30 17:47:09 +00:00
Matthew Kosarek
97c11cf89a
Implement Regular Windows for the win32 framework + add an example application for regular windows (#173715)
## What's new?
- Implement and test `_window_win32.dart`, the Win32 implementation of
`_window.dart` 🎉
- Wrote a bunch of tests in `window_win32_test.dart` which uses a mock
API barrier to mock the native Win32 layer
- Update `BaseWindowController` to extend `ChangeNotifier` and use it to
inform the `WindowScope` of when things change
- Made `RegularWindowController.empty()` a non-internal constructor, as
it is needed by implementations
- Added a _large_ example application for windowing where users can test
out different windowing concepts and see how they work!

To test, simply run the tests or try out the example app!

## Pre-launch Checklist

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2025-09-26 13:37:02 +00:00
Hannah Jin
8912a2ad36
[flutter_test] update the _isImportantForAccessibility method in SemanticsController to include tooltip (#174476)
updates the _isImportantForAccessibility method in SemanticsController
to include tooltip
tester.semantics.simulatedAccessibilityTraversal() now will show those
semantics nodes with only tooltip!


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2025-08-29 05:10:21 +00:00
Hannah Jin
1639e62e8f
[a11y] [test] containsSemantics can ignore SemanticsValidationResult (#174608)
issue: https://github.com/flutter/flutter/issues/173838 


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2025-08-28 21:50:21 +00:00
Jamil Saadeh
3fb8d8245c
Migrate to null aware elements - Part 1 (#172198)
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Replace null checks with null aware elements

Part of #172188

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2025-07-24 06:13:09 +00:00
Justin McCandless
b327336e31
TestTextInput should reset its key handler between tests (#172323)
Looks like we forgot to reset _keyHandler in TestTextInput.

Fixes https://github.com/flutter/flutter/issues/171491
2025-07-18 19:52:51 +00:00
Justin McCandless
fa961b768e
Fix mutating Paint bug (#171180)
A tricky bug was encountered in
https://github.com/flutter/flutter/pull/170321/files#r2138619243 where
mutating Paint caused
[paints](https://main-api.flutter.dev/flutter/flutter_test/paints.html)
to behave strangely.

Originally this PR just added something to the docs for `paints` to give
people a heads up, but now it fixes the root cause. Yak shave 🪒 .

Fixes https://github.com/flutter/flutter/issues/171194
2025-07-17 18:41:59 +00:00
Justin McCandless
9b93519698
Route transition duration (#171109)
We need a robust way to get the duration of a route transition in tests,
so that tests can remain independent of the type of route transition and
its duration.

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

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

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

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

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

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

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

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

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

FYI @chrisbobbe

---------

Co-authored-by: Jing Shao <87506348+jingshao-code@users.noreply.github.com>
2025-07-14 22:49:04 +00:00
Matan Lurey
596b149f52
Give an actionable error to flutter_test.*tap of a RenderSliver (#171930)
Closes https://github.com/flutter/flutter/issues/67743.
2025-07-10 01:16:26 +00:00
Ahmed Mohamed Sameh
55af36a3d5
Replace [FinderBase] with [Finder] in the documentation of Matchers (#168279)
Replace [FinderBase] with [Finder] in the doc comments of Matchers.

Closes #168230
2025-07-09 14:54:21 +00:00
Kate Lovett
a04fb324be
Bump Dart to 3.8 and reformat (#171703)
Bumps the Dart version to 3.8 across the repo (excluding
engine/src/flutter/third_party) and applies formatting updates from Dart
3.8.

## Pre-launch Checklist

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2025-07-07 17:58:32 +00:00
Mouad Debbar
caf0c82b82
[web] More granular configuration of the test environment (#168767)
There's today a single boolean `debugEmulateFlutterTesterEnvironment`
that determines certain behaviors in the engine to emulate how the
Flutter Tester runs (more details at
https://github.com/flutter/flutter/issues/145779).

With this PR:
- Run all engine unit tests in production mode by default.
- Give tests more granular control over which test behaviors to
enable/disable (e.g. Ahem font).
- Keep it easy for framework tests to enable all emulation behaviors.

Fixes https://github.com/flutter/flutter/issues/145779
2025-06-24 19:45:19 +00:00
ash2moon
4fb1042870
rename from announce to supportsAnnounce on engine (#170618)
Part of https://github.com/flutter/flutter/issues/165510

⤴️ Original PR: https://github.com/flutter/flutter/pull/169685
⤵️ Child PR: https://github.com/flutter/flutter/pull/168992

This is a renaming of the announce to `supportsAnnounce`. See more info
in this comment thread:
https://github.com/flutter/flutter/pull/168992#discussion_r2146068546

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2025-06-23 18:17:09 +00:00
Azat
148e794e1c
Enhance Text Contrast for WCAG AAA Compliance (#170758)
Enhance Text Contrast for WCAG AAA Compliance #170697

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
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[test-exempt].
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Fixes] where supported.
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---------

Co-authored-by: chunhtai <47866232+chunhtai@users.noreply.github.com>
2025-06-23 17:34:10 +00:00
Matan Lurey
d810bad840
Remove WebGoldenComparator, which is no longer used by the tool. (#169898)
I could see the argument in keeping this around longer for API
compatibility, but we no longer use it, it's no longer tested, and only
really existed for the HTML-backend, which was removed, so I'm saying
remove it.

Closes https://github.com/flutter/flutter/issues/160261.
2025-06-03 18:43:12 +00:00
ash2moon
694600a9f8
Add announce support to the engine (#169685)
Partly of https://github.com/flutter/flutter/issues/165510

⤵️ Child PR: https://github.com/flutter/flutter/pull/168992

Partly re-lands https://github.com/flutter/flutter/pull/165531
The PR was originally reverted due to an issue with an internal Google
test. I split re-land PR into two separate ones so that we can
individually revert in case it fails again.

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2025-06-03 00:26:11 +00:00
chunhtai
3c28bb7a24
Removes elevation and thickness from semantics r2 (#169382)
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same as https://github.com/flutter/flutter/pull/168703, but previous pr
seems bugged github

## Pre-launch Checklist

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2025-05-30 21:57:30 +00:00
auto-submit[bot]
606bb06c0f
Reverts "Use live region in error text input decorator for Android (#165531)" (#168848)
<!-- start_original_pr_link -->
Reverts: flutter/flutter#165531
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: matanlurey
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: Breaks google client tests
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: ash2moon
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {chunhtai, reidbaker, hannah-hyj}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
Resolves partly https://github.com/flutter/flutter/issues/165510


**Context:** This issue originates from
https://github.com/flutter/flutter/issues/99715, where it was reported
that `liveRegion` alone was insufficient for announcing form validation
errors. While `liveRegion` announces the first error encountered,
subsequent submissions with the same error message on Android would not
trigger a re-announcement.

**Original Solution:** Pull request
https://github.com/flutter/flutter/pull/123373 addressed this by
implementing the `announce` event to ensure error messages were
consistently announced, even for repeated submissions.

**Native Android Behavior (Jetpack Compose):** In native Android
development using Jetpack Compose, setting the `isError` property of a
`TextField` to `true` triggers Talkback to announce "Error invalid
input." This announcement occurs *only* on the initial change to the
error state. Subsequent errors, even if the `isError` property remains
`true`, are not re-announced. This behavior closely mirrors the
functionality of `liveRegion`, with the key difference being that
`liveRegion` also announces the specific error text, in addition to the
general error state. Testing in a native Jetpack Compose application
confirms this behavior and provides a valuable comparison point against
the current Flutter form example.

**Suggested Action:** **Fork** the behavior in
https://github.com/flutter/flutter/pull/123373. Reinstate the use of
`liveRegion` for error announcements within `widgets/Form` for Android
and keep other platforms the same.

## 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].

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<!-- end_revert_body -->

Co-authored-by: auto-submit[bot] <flutter-engprod-team@google.com>
2025-05-14 17:47:38 +00:00
LongCatIsLooong
30fe6e7857
Wire up the system text scaler from PlatformDispatcher (#159999)
The equality of 2 `SystemTextScaler` is determined by the platform's
`textScaleFactor` scalar, because the `scale` method is always
monotonically increasing wrt `textScaleFactor`.
On Android the scalar reflects the user configuration in system
preference it seems:
https://developer.android.com/reference/android/content/res/Configuration#fontScale

## Pre-launch Checklist

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2025-05-13 23:52:05 +00:00
ash2moon
f3a1806562
Use live region in error text input decorator for Android (#165531)
Resolves partly https://github.com/flutter/flutter/issues/165510


**Context:** This issue originates from
https://github.com/flutter/flutter/issues/99715, where it was reported
that `liveRegion` alone was insufficient for announcing form validation
errors. While `liveRegion` announces the first error encountered,
subsequent submissions with the same error message on Android would not
trigger a re-announcement.

**Original Solution:** Pull request
https://github.com/flutter/flutter/pull/123373 addressed this by
implementing the `announce` event to ensure error messages were
consistently announced, even for repeated submissions.

**Native Android Behavior (Jetpack Compose):** In native Android
development using Jetpack Compose, setting the `isError` property of a
`TextField` to `true` triggers Talkback to announce "Error invalid
input." This announcement occurs *only* on the initial change to the
error state. Subsequent errors, even if the `isError` property remains
`true`, are not re-announced. This behavior closely mirrors the
functionality of `liveRegion`, with the key difference being that
`liveRegion` also announces the specific error text, in addition to the
general error state. Testing in a native Jetpack Compose application
confirms this behavior and provides a valuable comparison point against
the current Flutter form example.

**Suggested Action:** **Fork** the behavior in
https://github.com/flutter/flutter/pull/123373. Reinstate the use of
`liveRegion` for error announcements within `widgets/Form` for Android
and keep other platforms the same.

## Pre-launch Checklist

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

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

<!-- Links -->
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[Flutter Style Guide]:
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[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

---------

Co-authored-by: Reid Baker <1063596+reidbaker@users.noreply.github.com>
2025-05-13 17:47:09 +00:00
Tong Mu
97b5264fcc
Migrate in-comment links of the flutter/engine repository to the flutter/flutter repository (#166790)
This PR migrates almost all in-comment links that points to the main
branch of flutter/engine repository to the flutter/flutter repository,
ensuring that such links are always up to date.

I've manually verified that all links are valid. There are a few cases
where the migration is not so trivial and I had to look up for the
updated location or line number, but I'm pretty sure the new value is
correct.

The only place that I don't know how to migrate is two links in
[Upgrading-pre-1.12-Android-projects.md](https://github.com/flutter/flutter/blob/master/docs/platforms/android/Upgrading-pre-1.12-Android-projects.md)
pointing to
`https://github.com/flutter/engine/blob/main/shell/platform/android/io/flutter/app/FlutterActivity.java`,
which I guess no longer exists.

There are still many links that point to a specific branch or revision
of the engine repo. I don't think we need to migrate these links, since
they're probably not meant to be kept up to date.

## 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
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[Data Driven Fixes]:
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2025-04-10 15:58:23 +00:00
chunhtai
7afe7a5f8b
Adds semantics input type (#165925)
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fixes https://github.com/flutter/flutter/issues/162130

## 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
2025-04-04 21:15:12 +00:00