[SearchBar] Inconsistent inheritance of InputDecorationTheme #176198
Description
Steps to reproduce
General
The SearchBar widget inherits the InputDecoration theme data defined in the MaterialApp. Specifically the BorderSide, but cannot be overriden.
Steps to reproduce
- Use the SearchBar template from the docs.
- Add a new inputDecoration definition for to the app's theme:
brightness: isDark ...,
inputDecorationTheme: InputDecorationTheme(
disabledBorder: const OutlineInputBorder(
borderSide: BorderSide(color: Color(0xFF807B7B)),
borderRadius: BorderRadius.all(Radius.circular(8)),
),
),- Set the SearchBar's enabled property to
false:
child: SearchBar(
enabled: false,
controller: controller,
...
)- Hot reload.
- Notice the InputBorder around the TextField area.
- Try to override the
InputDecorationThemelocally to remove the border, by wrapping the SearchBar widget in it with the overriding properties:
return InputDecorationTheme(
data: InputDecorationThemeData(
disabledBorder: const OutlineInputBorder(
borderSide: BorderSide.none,
),
),
child: SearchBar(
enabled: false,
controller: controller,
...
),
);- Notice that it doesn't go away still.
- Replace the app-level inputDecorationTheme to the desired borderSide:
brightness: isDark ...,
inputDecorationTheme: InputDecorationTheme(
disabledBorder: const OutlineInputBorder(
borderSide: BorderSide.none,
),
),- The Border does go away but then I can't defined my desired theme app-wide first
Other notes
I have a different theming and styling for my TextField widgets. This makes my SearchBar widgets ugly when I should be able to override the theme definition.
This issue might relate to #131666.
Expected results
Should be able to override the inputDecoration in my SearchTheme or so.
Actual results
SearchBar imbibes the InputDecorationTheme, but cannot be overridden, leading to ugly UI.
Code sample
Code sample
import 'package:flutter/material.dart';
/// Flutter code sample for [SearchBar].
void main() => runApp(const SearchBarApp());
class SearchBarApp extends StatefulWidget {
const SearchBarApp({super.key});
@override
State<SearchBarApp> createState() => _SearchBarAppState();
}
class _SearchBarAppState extends State<SearchBarApp> {
bool isDark = false;
@override
Widget build(BuildContext context) {
final ThemeData themeData = ThemeData(
brightness: isDark ? Brightness.dark : Brightness.light,
inputDecorationTheme: InputDecorationTheme(
disabledBorder: const OutlineInputBorder(
borderSide: BorderSide(color: Color(0xFF807B7B)),
borderRadius: BorderRadius.all(Radius.circular(8)),
),
),
);
return MaterialApp(
theme: themeData,
home: Scaffold(
appBar: AppBar(title: const Text('Search Bar Sample')),
body: Padding(
padding: const EdgeInsets.all(8.0),
child: SearchAnchor(
builder: (BuildContext context, SearchController controller) {
return InputDecorationTheme(
data: InputDecorationThemeData(
disabledBorder: const OutlineInputBorder(
borderSide: BorderSide.none,
),
),
child: SearchBar(
enabled: false,
controller: controller,
padding: const WidgetStatePropertyAll<EdgeInsets>(
EdgeInsets.symmetric(horizontal: 16.0),
),
onTap: () {
controller.openView();
},
onChanged: (_) {
controller.openView();
},
leading: const Icon(Icons.search),
trailing: <Widget>[
Tooltip(
message: 'Change brightness mode',
child: IconButton(
isSelected: isDark,
onPressed: () {
setState(() {
isDark = !isDark;
});
},
icon: const Icon(Icons.wb_sunny_outlined),
selectedIcon: const Icon(Icons.brightness_2_outlined),
),
),
],
),
);
},
suggestionsBuilder:
(BuildContext context, SearchController controller) {
return List<ListTile>.generate(5, (int index) {
final String item = 'item $index';
return ListTile(
title: Text(item),
onTap: () {
setState(() {
controller.closeView(item);
});
},
);
});
},
),
),
),
);
}
}Screenshots or Video
Screenshots / Video demonstration
Logs
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Flutter Doctor output
Doctor output
Flutter (Channel stable, 3.35.4, on macOS 15.6.1 24G90 darwin-arm64, locale en-US) [4.2s]
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Important issues not at the top of the work listflutter/packages/flutter/material repository.Styling widgets with a themeFound to occur in 3.35Found to occur in 3.37flutter/packages/flutter repository. See also f: labels.The issue has been confirmed reproducible and is ready to work onIssue is closed as already fixed in a newer versionOwned by Design Languages teamTriaged by Design Languages team
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