Created
January 3, 2023 18:38
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AppBar icon override
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import 'package:flutter/material.dart'; | |
void main() { | |
runApp(MyApp()); | |
} | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
final theme = ThemeData.light(useMaterial3: true); | |
return MaterialApp( | |
theme: ThemeData( | |
useMaterial3: true, | |
appBarTheme: theme.appBarTheme.copyWith( | |
// EXPECTED: We expect to see these values for our icon color. | |
actionsIconTheme: const IconThemeData( | |
color: Colors.red, | |
), | |
iconTheme: const IconThemeData( | |
color: Colors.blue, | |
), | |
), | |
// ACTUAL: Instead, we see this value (try commenting this parameter out): | |
iconButtonTheme: IconButtonThemeData( | |
style: IconButton.styleFrom( | |
foregroundColor: Colors.yellow, | |
), | |
), | |
), | |
debugShowCheckedModeBanner: false, | |
home: Scaffold( | |
appBar: AppBar( | |
leading: appBarButton(), | |
actions: [appBarButton()], | |
title: const Text('App Bar'), | |
), | |
body: Center( | |
child: MyWidget(), | |
), | |
), | |
); | |
} | |
Widget appBarButton() => IconButton( | |
tooltip: 'Settings', | |
icon: const Icon(Icons.settings), | |
onPressed: () {}, | |
); | |
} | |
class MyWidget extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return Padding( | |
padding: const EdgeInsets.all(50.0), | |
child: Text( | |
'Icons above should be inheriting color values from AppBarTheme.iconTheme and AppBarTheme.actionsIconTheme. However, the icons are using any IconButtonTheme override present in the theme.', | |
style: Theme.of(context).textTheme.bodySmall, | |
), | |
); | |
} | |
} |
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