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Author SHA1 Message Date
Tirth
fb780b5156
Refactor GetShaderClipDepth for clarity (#179110) 
Refactor GetShaderClipDepth for clarity. Fixes #179105

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---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
 2025-12-03 04:53:42 +00:00
Tim Maffett
2bd9ecbb73
Adds Impellerc flatbuffer format versioning. (#175470) 
Fixes #172899

This PR adds a format_version number to the root table of the 3 flat
buffer formats that impellerc creates; runtime stages, shader bundles
and shader archives.
It also adds a 'format_version' key to the root table of the shader
bundle json format for completeness (Though it could be argued that the
json format does not require this, I feel it may still be useful there).

This allows for format compatibility checks with future versions of the
table as @chinmaygarde expressed concerns about in #168294 and
@jonahwilliams mentions in #166944 .
The current code only checks for compatibility with the current version,
but this mechanism allows for backwards compatibility in the future and
not handling flat buffers with formats with new version number.
The big win here is that format_version numbers allow us to abort
parsing anything that we may not understand that could possible cause
problems, corruptions or crashes. The changes are simple and
straightforward and I feel they lay a reasonable foundation for version
handling for any future changes.

The version numbers themselves are defined within the
`runtime_stage_types.fbs`, `shader_bundle.fbs` and `shader_archive.fbs`
where I feel they should be as they can directly be incremented if any
changes to the flat buffer format are made. Mechanisms for handling of
backwards compatibility in the future should be straightforward to make
in the corresponding c++ code allowing for the continued support of
older (lower) version numbers if so desired.

This addresses #172899 and the other concerns mentioned in the
issues/pr's mentioned above.

I plan on including my tests for exclusion of non-matching versions -
Existing test verify that the version checking confirms matching
versions. I wanted to get this out there for discussion before spending
more time on this in case this approach is rejected outright.
   
I have a companion PR which adds FragmentProgram.fromBytes() to the
engine (c++ and canvaskit/wasm). I wanted to separate the impellerc
output versioning into it's own (this) PR.

  
## Pre-launch Checklist

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---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: gaaclarke <30870216+gaaclarke@users.noreply.github.com>
Co-authored-by: Aaron Clarke <aaclarke@google.com>
 2025-12-02 21:57:29 +00:00
gaaclarke
d57f6f81c6
Adds format argument to Picture.toImageSync (#178691) 
fixes https://github.com/flutter/flutter/issues/178539

This allows users to chain together fragment shaders with pixel formats
other than rgba8.

## Pre-launch Checklist

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[test-exempt].
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 2025-12-02 20:05:43 +00:00
Mouad Debbar
e97f1f45fc
[web] Fix some gn warnings (#178313) 2025-12-02 19:33:26 +00:00
LouiseHsu
1bf445bb45
[ios] Reland Dynamic Content Resizing (#179153) 
This is a reland of https://github.com/flutter/flutter/pull/177410

The previous pr was hitting deadlocks with tests that use screenshots.
This reland fixes it by submitting frames asynchronously instead of
synchronously.

This PR fixes https://github.com/flutter/flutter/issues/169147

This is the iOS implementation of
https://github.com/flutter/flutter/issues/149033

In Add-to-App scenarios, a common desired use case is to have the
embedded FlutterView be able to size itself based on it's content. Up
till now, the size had to be manually specified, which can be tedious
and inaccurate.

This PR adds a new flag, `isAutoResizable`, which enables the ability
for the embedded flutter view to dynamically set it's own size based off
it's content. Note that this feature will *NOT* work if the the embedded
app is wrapped in flexible or unsized widgets, such as Scaffold. The
FlutterView will just not display at all.

To use the new flag, just set it like
```
flutterViewController.autoResizable = true;
```
or in Swift

```
flutterViewController.isAutoResizable = true
```
## 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.
 2025-12-02 18:59:44 +00:00
Kostia Sokolovskyi
daddf7ab8e
[web] Fix onTextScaleFactorChanged not getting called. (#178862) 
Fixes https://github.com/flutter/flutter/issues/178856
Fixes https://github.com/flutter/flutter/issues/178271
Fixes https://github.com/flutter/flutter/issues/178238

### Description

- Fixes an issue in `lineHeightScaleFactorOverride` calculation, causing
it to have abnormal values.
- Integrates text scale factor update into recently added
`_addTypographySettingsObserver`. The `ResizeObserver` on the typography
probe element is getting notified each time the font size changes,
because it leads to the element's size change.
- Removes `DomMutationObserver` previously used for font size
observations.
- Adds/Updates tests to verify the fixes.

| BEFORE | AFTER |
| - | - |
| <video
src="https://github.com/user-attachments/assets/f62fb3c6-63e1-447f-b4ef-8f22ad944a0a"/>
| <video
src="https://github.com/user-attachments/assets/c220dd30-89d9-4f76-a43f-b908a940fafb"/>
|

### Demo

https://flutter-text-scale-factor.web.app

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

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

void main() {
  runApp(const App());
}

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Screen(),
    );
  }
}

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

  @override
  State<Screen> createState() => _ScreenState();
}

class _ScreenState extends State<Screen> with SingleTickerProviderStateMixin {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(8),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            spacing: 10,
            children: [
              Builder(
                builder: (context) {
                  print(
                    'lineHeightScaleFactorOverride: ${MediaQuery.maybeLineHeightScaleFactorOverrideOf(context)}',
                  );
                  final scale = MediaQuery.textScalerOf(context).scale(1);

                  return Text(
                    'Scale ${scale.toStringAsFixed(3)}',
                    style: TextStyle(
                      fontSize: 30,
                      backgroundColor: Colors.grey.shade200,
                    ),
                    textAlign: TextAlign.center,
                  );
                },
              ),
            ],
          ),
        ),
      ),
    );
  }
}
```

</details>

## 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].
- [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.

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 2025-12-02 18:23:19 +00:00
Matej Knopp
8eab40917d
[win32] Replace threadpool timer with custom background thread timer (#179249) 
Fixes https://github.com/flutter/flutter/issues/178916

It seems that for some reason the win32 thread pool timer is not precise
enough for our use case which causes major frame pacing issues on
Windows. This PR replaces it with a simple custom built background
thread timer.

## Pre-launch Checklist

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---------

Co-authored-by: Loïc Sharma <737941+loic-sharma@users.noreply.github.com>
 2025-12-02 08:36:15 +00:00
b-luk
8887819450
Support round caps for the fast arc stroke generator (#178269) 
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Support round caps for the fast arc stroke generator.

Factors out `Tessellator::GenerateRoundCapLine`'s cap generation logic
into a new `Tessellator::GenerateRoundCap` method to be shared by
`Tessellator::GenerateRoundCapLine` and
`Tessellator::GenerateStrokedArc`.

Fixes #169400

## Pre-launch Checklist

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 2025-12-01 22:02:12 +00:00
John Lilly
d18ab0e854
Fix for PR #174374 - Fix - TalkBack does not announce list information (#177622) 
Fix for PR #174374. It was reverted due to failing tests for creating
CollectionInfo and CollectionItemInfo using constructors added in API
30. I used the `obtain` method for creating both CollectionInfo and
CollectionItemInfo if the API version is lower than 33. The `obtain`
method was deprecated in API 33.

> 
> Updating AccessibilityBridge.java and AccessibilityBridgeTest.java to
include AccessibilityNodeInfo.CollectionItemInfo to get TalkBack to
announce item indexes for ListViews.
> 
> Updated the logic for adding CollectionInfo to add when the
scrollChildren count is greater than 1. This is an attempt to exclude
something like a SingleChildScrollView from getting CollectionInfo
added. The only semantics info we can rely on from Android is the
hasImplicitScrolling and the number of scrollChildren.
> Added logic for adding the CollectionItemInfo to ListView children. It
first checks to see if the parent node qualifies for CollectionInfo and
then adds the CollectionItemInfo to the child view. The index values
come from the childrenInTraversalOrder. We aren't currently passing the
indexedSemantics into the SemanticsNode. Once those values are
available, this can be made more robust.
> 
> The following video includes the new changes with a ListView
>
>
https://github.com/user-attachments/assets/b9bf1b80-9f29-40e2-8f33-a08919554b7e
> 
> 
> This video includes the logic with a SingleChildScrollView (no list
announcements as expected)
> 
>
https://github.com/user-attachments/assets/8fe4dd24-cc5a-4a6b-b4b0-0f371fea20df

Fixes #168651 - This is a minimal fix. A full fix would be to pass the
indexedSemantics to the SemanticsNode in Android and build the list with
those values but that is a larger effort.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
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responsibilities.
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we expect every widget to implement].
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above.
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[test-exempt].
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Fixes] where supported.
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---------

Signed-off-by: jwlilly <lilly.john.w@gmail.com>
Co-authored-by: Reid Baker <1063596+reidbaker@users.noreply.github.com>
Co-authored-by: Camille Simon <43054281+camsim99@users.noreply.github.com>
 2025-12-01 21:33:57 +00:00
Mohellebi abdessalem
eee78231bb
Small cleanup in ‎AccessibilityBridge.java‎ (#179226) 
This change removes unused `imports` and fixes typos in
`engine/src/flutter/shell/platform/android/io/flutter/view/AccessibilityBridge.java`
## Pre-launch Checklist

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- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.
- [ ] I listed at least one issue that this PR fixes in the description
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- [ ] I added new tests to check the change I am making, or this PR is
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
 2025-12-01 21:33:56 +00:00
Mohellebi abdessalem
804fe2f3e2
Fix link specified as plain text FlutterApplication.java‎ (#178573) 
<img width="466" height="334" alt="lint1"
src="https://github.com/user-attachments/assets/9293aef0-dbed-4307-9c3a-3116b2404f54"
/>


## Pre-launch Checklist

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[Data Driven Fixes]:
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---------

Co-authored-by: Reid Baker <1063596+reidbaker@users.noreply.github.com>
 2025-12-01 18:16:02 +00:00
bungeman
ab337ad790
Explicitly use FreeType font scanner with Fuchsia (#179055) 
Skia is removing the direct dependency of SkFontMgr_Fuchsia on FreeType.
This means users must depend on and select the appropriate font scanner.
Make previous implicit choice to use the FreeType font scanner explicit.
 2025-12-01 15:47:06 +00:00
Mohellebi abdessalem
c70e82554a
Fix a small typo in HandlerCompat.java docs (#178595) 
## Pre-launch Checklist

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 2025-11-26 22:56:58 +00:00
gaaclarke
11367b79fb
Documents and fixes behavior when clipping background filter fragment shader (#178940) 
fixes https://github.com/flutter/flutter/issues/178798

This passes all the golden tests. It fixes the linked issue by avoiding
rasterization which resets the frag coords. I have a feeling there may
be some case where this may fail that we haven't considered in a golden
test. This at moves us forward, documenting the desired behavior without
breaking any golden tests.

## Pre-launch Checklist

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 2025-11-26 22:54:55 +00:00
Mohellebi abdessalem
b1565a3474
Replace the hardcoded link with an actual link tag in PlatformChannel.java‎ docs (#178588) 
## Pre-launch Checklist

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[Data Driven Fixes]:
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---------

Co-authored-by: Reid Baker <1063596+reidbaker@users.noreply.github.com>
 2025-11-26 22:54:54 +00:00
Mohellebi abdessalem
6beea6d312
Small refactor in PlayStoreDeferredComponentManager.java‎ (#178586) 
This change : 
- replaces `equals("")` with `isEmpty`
- removes unnecessary casting to `SplitInstallException` because
`getMessage` is inherited from Exception directly.
- avoid using a loop and use `addAll` instead : 
```java
for (String path : soPaths) {
      searchPaths.add(path);
}
searchPaths.addAll(soPaths);
```

## Pre-launch Checklist

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

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 2025-11-26 22:51:39 +00:00
Loïc Sharma
d248a651b6
Add flutter_lints to samples (#179091) 
I recommend reviewing each commit individually.

The following were suppressed instead of migrated to minimize the time
the tree is closed:

1. The [`Radio` -> `RadioGroup`
migration](https://docs.flutter.dev/release/breaking-changes/radio-api-redesign).
Tracked by: https://github.com/flutter/flutter/issues/179088.

Part of: https://github.com/flutter/flutter/issues/178827

## Pre-launch Checklist

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- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
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 2025-11-26 22:11:20 +00:00
auto-submit[bot]
7b98d50631
Reverts "Fix for win32 embedder failing to send all alt key downs to the flutter app (#179097)" (#179136) 
<!-- start_original_pr_link -->
Reverts: flutter/flutter#179097
<!-- end_original_pr_link -->
<!-- start_initiating_author -->
Initiated by: jtmcdole
<!-- end_initiating_author -->
<!-- start_revert_reason -->
Reason for reverting: the tree is closed, should not have been merged.
<!-- end_revert_reason -->
<!-- start_original_pr_author -->
Original PR Author: mattkae
<!-- end_original_pr_author -->

<!-- start_reviewers -->
Reviewed By: {loic-sharma}
<!-- end_reviewers -->

<!-- start_revert_body -->
This change reverts the following previous change:
fixes [#177822](https://github.com/flutter/flutter/issues/177822)

## What's new?
- The `FlutterWindow` now consumes any `WM_SYSKEYDOWN (VK_MENU)` message
- Wrote a test to validate that this is the case
- Make it so that the `KeyboardManager` can be provided

This PR was made possible by
https://github.com/flutter/flutter/pull/178523

## How to test?
1. Create a new flutter project
2. Add the following:

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

void main() {
  runApp(const MyApp());

  HardwareKeyboard.instance.addHandler((event) {
    if (event is KeyDownEvent) {
      print('Key pressed: ${event.logicalKey.debugName}');
    }
    return false;
  });
}

// Rest of file unchanged from flutter create output
```
3. Click alt. Note that the message is received.
4. Continue clicking alt and validate that the message is received.
5. Alt tab out and back and note that subsequent alts are correctly
received.

## 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>
 2025-11-26 14:39:47 +00:00
Matthew Kosarek
fde117b7b1
Fix for win32 embedder failing to send all alt key downs to the flutter app (#179097) 
fixes [#177822](https://github.com/flutter/flutter/issues/177822)

## What's new?
- The `FlutterWindow` now consumes any `WM_SYSKEYDOWN (VK_MENU)` message
- Wrote a test to validate that this is the case
- Make it so that the `KeyboardManager` can be provided

This PR was made possible by
https://github.com/flutter/flutter/pull/178523

## How to test?
1. Create a new flutter project
2. Add the following:

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

void main() {
  runApp(const MyApp());

  HardwareKeyboard.instance.addHandler((event) {
    if (event is KeyDownEvent) {
      print('Key pressed: ${event.logicalKey.debugName}');
    }
    return false;
  });
}

// Rest of file unchanged from flutter create output
```
3. Click alt. Note that the message is received.
4. Continue clicking alt and validate that the message is received.
5. Alt tab out and back and note that subsequent alts are correctly
received.

## 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.
 2025-11-26 13:17:53 +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

- [ ] 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].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
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<!-- Links -->
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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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[breaking change policy]:
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[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
 2025-11-26 01:10:39 +00:00
Matthew Kosarek
2778dfd2cb
FlutterWindowsView::SendWindowMetrics now reliably sends the display_id (#179053) 
fixes https://github.com/flutter/flutter/issues/178982

This payload used to not matter (since the display ID was always zero),
but now not setting the display ID results in the display ID to be set
to zero. That is unfortunate, but this is a good fix for now!

## Pre-launch Checklist

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 2025-11-25 14:36:49 +00:00
Kate Lovett
460d55e659
Bump Dart to 3.9 (#179041) 
Prep for https://github.com/flutter/flutter/issues/178827

This bumps Dart to 3.9.

We are holding off on 3.10 until we can include best practices for dot
shorthands in the style guide, which will follow the lint update in
#178827

## Pre-launch Checklist

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 2025-11-25 00:41:40 +00:00
gaaclarke
e398158b48
updated licenses_cpp readme (#178874) 
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 2025-11-24 22:14:11 +00:00
Mohellebi abdessalem
6f5a7134a1
Remove unnecessary String.valueOf in SettingsChannel.java‎ (#178590) 
## Pre-launch Checklist

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 2025-11-24 19:30:57 +00:00
Jim Graham
c8cfb2b1a5
Revert "[ios] Dynamic Content Resizing" (#178958) 
Reverts flutter/flutter#177410

The change is causing the task `wide_gamut_ios` to hang every time.
Local testing shows that reverting this commit fixes the problem.
 2025-11-22 15:42:27 +00:00
LouiseHsu
216e5124a0
[ios] Dynamic Content Resizing (#177410) 
This PR fixes https://github.com/flutter/flutter/issues/169147

This is the iOS implementation of
https://github.com/flutter/flutter/issues/149033

In Add-to-App scenarios, a common desired use case is to have the
embedded FlutterView be able to size itself based on it's content. Up
till now, the size had to be manually specified, which can be tedious
and inaccurate.

This PR adds a new flag, `isAutoResizable`, which enables the ability
for the embedded flutter view to dynamically set it's own size based off
it's content. Note that this feature will *NOT* work if the the embedded
app is wrapped in flexible or unsized widgets, such as Scaffold. The
FlutterView will just not display at all.

To use the new flag, just set it like
```
flutterViewController.autoResizable = true;
```
or in Swift

```
flutterViewController.isAutoResizable = true
```
## Pre-launch Checklist

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 2025-11-22 00:36:29 +00:00
Elijah Okoroh
64c1b7d0d7
Update .ci.yaml in flutter/flutter to use either macOS 15.5 or macOS … (#178666) 
Update .ci.yaml in flutter/flutter to use 15.5 or 15.7.2

*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.*

Fixes #176930

*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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 2025-11-21 17:11:26 +00:00
DoLT
8111945eac
Fix Windows Enter key after focus loss (#178523) 
Fix issue: https://github.com/flutter/flutter/issues/169447

Problem: On Windows, pressing Enter after refocusing the app could drop
the first keydown because the embedder still thought the key was
pressed, causing a double-press requirement and HardwareKeyboard
assertions.
Fix: In KeyboardKeyEmbedderHandler, synthesize a key-up whenever Win32
reports a “fresh” down for a key still tracked as pressed, so Flutter
sees a release before the new down. This keeps modifier/lock-key
synchronization intact.

## 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].
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[test-exempt].
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 2025-11-21 14:32:10 +00:00
gaaclarke
d8fc22e25c
[Impeller] Adds support for r32float textures (#178418) 
fixes https://github.com/flutter/flutter/issues/178420

## Pre-launch Checklist

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 2025-11-20 01:28:35 +00:00
Chinmay Garde
5467431da9
[Impeller] Deny-list Adreno 640 and 650 for Vulkan eligibility. (#178833) 
Fallback to OpenGL ES on these devices. See linked issues for rationale.

Fixes https://github.com/flutter/flutter/issues/178285
Fixes https://github.com/flutter/flutter/issues/178498
 2025-11-20 00:24:26 +00:00
walley892
664da1fe8f
Only call glCheckFrameBufferStatus in the render pass in debug builds (#178707) 
Rendering to an offscreen texture on platforms without implicit MSAA
resolve causes the creation of a framebuffer each frame and a subsequent
call to glCheckFramebufferStatus.

This call can cause a full [GPU round trip]
(https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/WebGL_best_practices#avoid_blocking_api_calls_in_production).

This change creates a function in the proc table that only actually
makes the glCheckFramebufferStatus check in debug builds, and changes
the calls in render_pass_gles to use this function instead.

An alternate way of doing this would be to directly wrap the callsites
with `ifdef` checks, but this way was more easily testable and seemed
cleaner.

Also removes a redundant call to CheckFramebufferStatus.

Fixes https://github.com/flutter/flutter/issues/175522

## Pre-launch Checklist

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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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- [ x] I added new tests to check the change I am making, or this PR is
[test-exempt].
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Fixes] where supported.
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 2025-11-19 21:17:10 +00:00
Jonathan Gilbert
0b34640871
Document that error parameter must be initialized (#177730) 
Flutter is built on top of GLib, and GLib's standard error mechanism
uses a structure `GError` and a function `g_set_error`. This function
takes a pointer to a pointer, setting it to a new `GError` for the outer
caller to receive. The model is designed to capture the first error that
occurs; as such, `g_set_error` checks if the supplied (by reference)
pointer is _already_ pointing at something. If it is, then it simply
emits a warning about this new error and discards it, assuming that
`error` already points at a presumably more-pertinent `GError`.

This semantic is sensible, but it isn't automatically obvious. It makes
sense when a function is calling multiple other functions, each of which
could return an error, ensuring that the error that gets returned is the
first one that happened. But, if you're only calling one function and
you don't have prior exposure to this design, it might not be
intuitively obvious that it has this intentional behaviour. Instead, the
`GError** error` parameter just looks like any old `out` parameter. That
can lead to code being written that doesn't bother to initialize the
error variable; after all, if no error occurs, it's irrelevant, and if
an error _does_ occur, then the function will overwrite it anyway,
right? (This latter being the incorrect assumption.)

```
    // INCORRECT CODE
    GError *error;

    if (!fl_method_call_respond_success(method_call, result_value, &error)) {
      g_warning("Failed to send Flutter Platform Channel response: %s", error->message);
      g_error_free(error);
    }
```

GLib handles the fact that this isn't automatically obvious to someone
with no prior experience with straightforward documentation:

> GLib ▶ set_error
>
> Does nothing if `err` is `NULL`; **if `err` is non-`NULL`, then `*err`
must be `NULL`**. A new `GError` is created and assigned to `*err`.

Since this is, ultimately, the function used internally by Flutter API
functions to return errors through this channel, Flutter effectively has
this same semantic. As such:

```
    // CORRECT CODE
    GError *error = nullptr;

    if (!fl_method_call_respond_success(method_call, result_value, &error)) {
      g_warning("Failed to send Flutter Platform Channel response: %s", error->message);
      g_error_free(error);
    }
```

(edited per @robert-ancell) In addition, `g_autoptr` can be used to make
a smart pointer that automatically ensures that the error, if any, is
not leaked.

```
    // CORRECTER CODE
    g_autoptr(GError) error = nullptr;

    if (!fl_method_call_respond_success(method_call, result_value, &error)) {
      g_warning("Failed to send Flutter Platform Channel response: %s", error->message);
    }
```

Flutter should make a similar mention in its documentation so that
people who are just discovering the system don't make the same mistake I
did. 🙂

This PR updates the inline documentation comments for public functions
that take `GError** error` parameters to warn concisely about this
situation. Note that it is not required (at least by `g_set_error`) that
they poin at `NULL`, specifically, just that they not be
_uninitialized_.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
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- [x] I read the [Tree Hygiene] wiki page, which explains my
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: Robert Ancell <robert.ancell@canonical.com>
 2025-11-19 20:00:25 +00:00
Mohellebi abdessalem
5e94425aef
Small cleanup in DeferredComponentManager.java‎ (#178585) 
this change : 
- fixes the link in docs that is specified as a text
- removes `unnecessary` `public/abstract` modifiers in a `public
interface`

## Pre-launch Checklist

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we expect every widget to implement].
- [x] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
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- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
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https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

---------

Co-authored-by: Matt Boetger <matt.boetger@gmail.com>
Co-authored-by: Matt Boetger <boetger@google.com>
 2025-11-19 01:32:49 +00:00
Mohellebi abdessalem
c7ba5df62e
Remove unnecessary String.valueOf in TextInputChannel.java (#178592) 
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 2025-11-18 20:06:59 +00:00
Jason Simmons
88f960983f
Restore OpenGL state modified by fl_compositor_opengl_present_layers (#178697) 
The OpenGL context used there may be shared with Skia, and Skia assumes
that other code has not changed its state.

See https://github.com/flutter/flutter/issues/178547
 2025-11-18 20:06:57 +00:00
Mohellebi abdessalem
d3f3905dc5
Replace equals("") with isEmpty in SpellCheckPlugin.java‎ (#178596) 
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---------

Co-authored-by: Reid Baker <1063596+reidbaker@users.noreply.github.com>
 2025-11-18 20:05:35 +00:00
sutes-work
b7e265049d
[fuchsia] Add wrapper for zx_iob_writev (#178626) 
Unfortunately, I don't think there's an easy way to add a test for this
because it's possible to create IOBuffers from dart.

I need to add this because Fuchsia logging now uses IOBuffers rather
than sockets, so some logging code that I have will need this.

## Pre-launch Checklist

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 2025-11-18 01:54:29 +00:00
Mohellebi abdessalem
08f1b66e0f
Small cleanup in AndroidTouchProcessor.java‎ (#178574) 
before :
```java
 if (isPointerEvent && isMovementEvent) {
      // Continue.
    } else {
      return false;
    }
```
after :
```java
if (!isPointerEvent || !isMovementEvent) {
      return false;
    }
```
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 2025-11-17 22:09:55 +00:00
Mohellebi abdessalem
6252afa499
Remove unnecessary final modifier in StandardMessageCodec.java‎ (#178598) 
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 2025-11-17 22:08:02 +00:00
Mohellebi abdessalem
1bbcee212b
Improve code quality FlutterViewTest.java (#178594) 
switch the order of wrong asserts arguments
use `assertNotSame` , `assertNull` and `assertSame`.
and remove a Todo comment that must have slipped from 
- #167607

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 2025-11-17 19:41:43 +00:00
Srivats Venkataraman
811f9c4c9e
Corrects invalid Flutter wiki links (#178158) 
Fixes: [#177797](https://github.com/flutter/flutter/issues/177797)

This PR replaces all flutter/wikis with the correct URL across all
READMEs

Note:

I wasn't able to find the correct readme for this:
https://github.com/flutter/flutter/wiki/Debugging-the-engine#debugging-windows-builds-with-visual-studio


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---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: Gray Mackall <34871572+gmackall@users.noreply.github.com>
Co-authored-by: LouiseHsu <louisehsu@google.com>
 2025-11-17 19:40:52 +00:00
engine-flutter-autoroll
46801ea922
Roll Skia from d877de9fc23e to 84c83c0dfb4a (3 revisions) (#178653) 
https://skia.googlesource.com/skia.git/+log/d877de9fc23e..84c83c0dfb4a

2025-11-17 briansalomon@gmail.com [graphite] Simplify code for SW
rasterizing paths/clips to pixmaps.
2025-11-17 sergiog@microsoft.com [rust png] Extract ReadAndSeek traits
from rust/png to rust/common
2025-11-17 skia-autoroll@skia-public.iam.gserviceaccount.com Manual roll
Dawn from f872a119cc10 to 0c868bb228e4 (6 revisions)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC
aaclarke@google.com,kjlubick@google.com,robertphillips@google.com on the
revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter:
https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
 2025-11-17 19:39:04 +00:00
Mohellebi abdessalem
c55c44fe9d
Small refactor in DartMessenger.java to use method reference (#178584) 
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 2025-11-17 19:37:04 +00:00
Mohellebi abdessalem
d94afa5bc0
fix typos in PlatformChannel.java‎ docs (#178589) 
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 2025-11-17 19:37:04 +00:00
Mohellebi abdessalem
77f3aca490
Remove unnecessary String.valueOf in ‎ListenableEditingState.java‎ (#178597) 
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 2025-11-17 17:20:14 +00:00
Mohellebi abdessalem
0bbbfd57d3
Update Metadata.java‎ to use getBytes in a static context (#178587) 
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 2025-11-17 17:15:07 +00:00
Jason Simmons
c5c9cc6f22
Reduce the data copying in CanvasPath related to the SkPathBuilder API migration (#178512) 
* In CanvasPath::transform/shift, copy the source path into the target
SkPathBuilder and then execute the transform within the SkPathBuilder
* Obtain SkPath snapshots through CanvasPath::path, which will cache the
SkPath within a DlPath

See https://github.com/flutter/flutter/issues/178395
 2025-11-17 16:57:37 +00:00
Matej Knopp
ee9e4c09c1
[macOS] Implement dialog window (#176893) 
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---------

Co-authored-by: Matthew Kosarek <matt.kosarek@canonical.com>
 2025-11-15 20:55:31 +00:00
Jim Graham
b3d79da158
Fix crash when doing a SaveLayer under a non-invertible transform (#178507) 
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Fixes a bug where executing a SaveLayer when the matrix is singular
(non-invertible) will currently crash.

Fixes: https://github.com/flutter/flutter/issues/177603

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 2025-11-14 20:58:05 +00:00
Matt Boetger
6815bca01e
[Reland] Generate ignore lockfiles and Update Android Embedder Dependencies (#178538) 
This PR is the first of 2 that will update the Android Embedder to use
the new dependency for AndroidX Exifinterface. This PR generates the
necessary ignore lockfiles files. These files will be deleted in a
follow-up PR that also regenerates the gradle lockfiles from the
universal engine artifacts.

Addresses [#177071](https://github.com/flutter/flutter/issues/177071)

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 2025-11-14 20:17:20 +00:00