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## Steps to Reproduce
Consider the following code sample:
```dart
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
// …
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## 问题提交
**1、BUG 描述**
BrnEnhanceNumberCard 在一行4个的时候,文字太长直接报溢出异常了。
**2、复现步骤**
```dart
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: BrnAppBar(
auto…
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When using Dart Dev Tools Flutter Inspector to view an widget hierarchy the tree no longer displays children of a Stateful widgets.
![image](https://user-images.githubusercontent.com/900408/6689158…
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Looks like last pub.dev release was back in 2019 and there the code is not null safe?
In case it is, should we be installing it some other way?
In case it is not, are there any other alternativ…
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### Is there an existing issue for this?
- [X] I have searched the [existing issues](https://github.com/flutter/flutter/issues)
- [X] I have read the [guide to filing a bug](https://flutter.dev/docs/…
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```console
[√] Flutter (Channel stable, v1.12.13+hotfix.5, on Microsoft Windows [Version 10.0.18363.592], locale de-DE)
[√] Android toolchain - develop for Android devices (Android SDK version 29.…
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Details about this issue on the attached screenshot.
![image](https://user-images.githubusercontent.com/59491178/109956971-5e8c0b00-7cf5-11eb-87e8-951d9cff766b.png)
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### Is there an existing issue for this?
- [X] I have searched the [existing issues](https://github.com/flutter/flutter/issues)
- [X] I have read the [guide to filing a bug](https://flutter.dev/docs/…
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### expected
on right click over SelectableText, if nothing is selected:
- on web - generic context menu
- on desktop (windows) - nothing to happen. i'm not sure about macos and linux
### actu…
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`background` and the selection have a small 1 pixel offset from each other
screenshot
![woow](https://user-images.githubusercontent.com/39104740/112696383-c669e780-8e96-11eb-9b3d-4ce4b76a541a.…