DropdownButton and DropdownButtonFormField clips text when large text scale is used #106359
Description
Internal bug: b/236656100
Steps to Reproduce
- Execute
flutter runon the code sample
Expected results:
DropdownButtonFormFied sizes to fit text (as DropdownButton does)
Actual results:
DropdownButton clips text
Code sample
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
builder: (context, child) {
return MediaQuery(
data: MediaQuery.of(context).copyWith(textScaleFactor: 2.0),
child: MyHomePage(),
);
},
);
}
}
class MyHomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
// Note that this issue does not occur if a DropdownButton is used.
body: DropdownButtonFormField(
value: options[0],
items: options
.map(
(e) => DropdownMenuItem(
value: e,
child: Text(e),
),
)
.toList(),
onChanged: (_) {},
),
),
);
}
}
const options = ['option 1', 'option 2', 'option 3'];flutter doctor output
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.0.2, on Debian GNU/Linux rodete 5.17.6-1rodete1-amd64, locale en_US.UTF-8)
[!] Android toolchain - develop for Android devices (Android SDK version 32.1.0-rc1)
✗ cmdline-tools component is missing
Run `path/to/sdkmanager --install "cmdline-tools;latest"`
See https://developer.android.com/studio/command-line for more details.
✗ Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/linux#android-setup for more details.
[✓] Chrome - develop for the web
[✗] Linux toolchain - develop for Linux desktop
✗ GTK 3.0 development libraries are required for Linux development.
They are likely available from your distribution (e.g.: apt install libgtk-3-dev)
[✓] Android Studio (version 2021.2)
[✓] VS Code (version 1.67.1)
[✓] Connected device (2 available)
[✓] HTTP Host Availability
Screenshot:
| With DropdownButtonFormField (displaying the issue) | With DropdownButton (WAI) |
|---|---|
 |
 |