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Author SHA1 Message Date
Sangam Shrestha
d261411b4c
Remove redundant useMaterial3: true (#163376) 
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This PR removes redundant useMaterial3: true as described in
https://github.com/flutter/flutter/issues/162818

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

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

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- [x] I listed at least one issue that this PR fixes in the description
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- [x] I updated/added relevant documentation (doc comments with `///`).
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[test-exempt].
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- [ ] All existing and new tests are passing.

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---------

Co-authored-by: Qun Cheng <36861262+QuncCccccc@users.noreply.github.com>
 2025-03-14 17:50:20 +00:00
Nate Wilson
06c3c93d72
const AnimationStyle (#160564) 
[**AnimationStyle**](https://main-api.flutter.dev/flutter/animation/AnimationStyle-class.html)
is an
[`@immutable`](https://main-api.flutter.dev/flutter/meta/immutable-constant.html)
class with all `final` fields.

This pull request gives it a `const` constructor.

<br>

related: #160563
 2025-01-22 21:52:11 +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
Greg Spencer
e3bc8efd39
Rename Sample classes (#124080) 
Rename Sample classes
 2023-04-04 20:34:29 +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 e8eac0d047.
 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
Michael Goderbauer
b308555ed1
Enable dangling_library_doc_comments and library_annotations lints (#117365) 2022-12-20 16:03:21 -08:00
Greg Spencer
e617d003fb
Normalize examples (#111223) 2022-09-09 21:17:11 +00:00
Michael Goderbauer
2cbad4b3ae
Final chapter: migrate api doc samples to super-parameters (#104007) 2022-05-17 15:35:07 -07:00
Greg Spencer
fd9ce27748
Clean up examples, remove section markers and --template args (#91133) 
This does a cleanup of the examples, removing all of the "section" markers and extra comments that we don't need anymore now that the samples are no longer in the source code. It also removes the --template arguments from the {@tool dartpad} and {@tool sample} directives, since those are no longer used. It converts two examples that I discovered were still embedded into linked examples in the examples folder.

I didn't delete the templates from the snippets config folder yet, because there are still embedded samples in the dart:ui package from the engine that use them. Once dart:ui no longer uses the templates, they can be removed.

I bumped the version of the snippets package to pick up a change that allows removal of the --template argument.
 2021-10-04 12:16:17 -07:00
Greg Spencer
33403bd28e
Extract Sample code into examples/api (#87280) 
This extracts the sample code out from the API doc comments, and places them in separate files on disk, allowing running of the examples locally, testing them, and building of slightly larger examples.
 2021-08-25 09:45:12 -07:00