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Author SHA1 Message Date
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

- [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].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
Assist for
GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code).
Comments from the `gemini-code-assist` bot should not be taken as
authoritative feedback from the Flutter team. If you find its comments
useful you can update your code accordingly, but if you are unsure or
disagree with the feedback, please feel free to wait for a Flutter team
member's review for guidance on which automated comments should be
addressed.

<!-- 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
 2025-11-26 22:11:20 +00:00
Michael Goderbauer
5491c8c146
Auto-format Framework (#160545) 
This auto-formats all *.dart files in the repository outside of the
`engine` subdirectory and enforces that these files stay formatted with
a presubmit check.

**Reviewers:** Please carefully review all the commits except for the
one titled "formatted". The "formatted" commit was auto-generated by
running `dev/tools/format.sh -a -f`. The other commits were hand-crafted
to prepare the repo for the formatting change. I recommend reviewing the
commits one-by-one via the "Commits" tab and avoiding Github's "Files
changed" tab as it will likely slow down your browser because of the
size of this PR.

---------

Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
 2024-12-19 20:06:21 +00:00
Taha Tesser
f794cf9d97
Add AnimationStyle to ExpansionTile (#139664) 
fixes [Expose animation parameters for the [ExpansionTile] widget](https://github.com/flutter/flutter/issues/138047)

### Description
Add `AnimationStyle` to the `ExpansionTile` widget to override the default expand and close animation.

Syntax:
```dart
        child: ExpansionTile(
          title: const Text('Tap to expand'),
          expansionAnimationStyle: AnimationStyle(
            duration: Durations.extralong1,
            curve: Easing.emphasizedAccelerate,
          ),
          children: const <Widget>[FlutterLogo(size: 200)],
        ),
```

### Code sample

<details>
<summary>expand to view the code sample</summary> 

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

import 'package:flutter/material.dart';

/// Flutter code sample for [ExpansionTile] and [AnimationStyle].

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

enum AnimationStyles { defaultStyle, custom, none }
const List<(AnimationStyles, String)> animationStyleSegments = <(AnimationStyles, String)>[
  (AnimationStyles.defaultStyle, 'Default'),
  (AnimationStyles.custom, 'Custom'),
  (AnimationStyles.none, 'None'),
];

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

  @override
  State<ExpansionTileAnimationStyleApp> createState() => _ExpansionTileAnimationStyleAppState();
}

class _ExpansionTileAnimationStyleAppState extends State<ExpansionTileAnimationStyleApp> {
  Set<AnimationStyles> _animationStyleSelection = <AnimationStyles>{AnimationStyles.defaultStyle};
  AnimationStyle? _animationStyle;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: SafeArea(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              SegmentedButton<AnimationStyles>(
                selected: _animationStyleSelection,
                onSelectionChanged: (Set<AnimationStyles> styles) {
                  setState(() {
                    _animationStyleSelection = styles;
                    switch (styles.first) {
                      case AnimationStyles.defaultStyle:
                        _animationStyle = null;
                      case AnimationStyles.custom:
                        _animationStyle = AnimationStyle(
                          curve: Easing.emphasizedAccelerate,
                          duration: Durations.extralong1,
                        );
                      case AnimationStyles.none:
                        _animationStyle = AnimationStyle.noAnimation;
                    }
                  });
                },
                segments: animationStyleSegments
                  .map<ButtonSegment<AnimationStyles>>(((AnimationStyles, String) shirt) {
                    return ButtonSegment<AnimationStyles>(value: shirt.$1, label: Text(shirt.$2));
                  })
                  .toList(),
              ),
              const SizedBox(height: 20),
              ExpansionTile(
                expansionAnimationStyle: _animationStyle,
                title: const Text('ExpansionTile'),
                children: const <Widget>[
                  ListTile(title: Text('Expanded Item 1')),
                  ListTile(title: Text('Expanded Item 2')),
                ],
              )
            ],
          ),
        ),
      ),
    );
  }
}
```

</details>

Related to https://github.com/flutter/flutter/pull/138721.
 2023-12-06 16:40:24 +00:00
Hans Muller
59c9d4e845
Added ExpansionTileController (#123298) 
Added ExpansionTileController
 2023-03-24 00:51:06 +00:00
Taha Tesser
219ff64574
Reland "Update ExpansionTile to support Material 3 & add an example" (#121212) 2023-02-24 06:30:33 -08:00
Hans Muller
212bac80d1
Revert "Update ExpansionTile to support Material 3 & add an example (#119712)" (#120300) 
This reverts commit e8eac0d047cd44feabf0a62ab06bcecbbcf24b1b.
 2023-02-08 10:53:55 -08:00
Taha Tesser
e8eac0d047
Update ExpansionTile to support Material 3 & add an example (#119712) 2023-02-07 08:21:18 -08:00