mirror of
https://github.com/flutter/samples.git
synced 2026-04-06 11:41:26 +00:00
New M3 Demo App for Master Channel (#1378)
* Added components * Added test * Added README * Run flutter format * Added all the updated components and tests * Added README file * Update README.md * Add textfields to M3 demo app * move textfield to exprerimental/ * Update component_screen_test.dart * Fixed comment: changed sdk version * Changed all double quotes to single * Added trailing comma, changed all private fields to public except private state classes * Added enum for screen selection * Removed comment for material_3_demo * Added experimental m3 demo app to master CI pipeline * fixed failing tests * Modified the analysis_options.yaml * Fixed warning * Ran flutter format command Co-authored-by: Qun Cheng <quncheng@google.com> Co-authored-by: hangyu <108393416+hangyujin@users.noreply.github.com>
This commit is contained in:
947
experimental/material_3_demo/lib/component_screen.dart
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947
experimental/material_3_demo/lib/component_screen.dart
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@@ -0,0 +1,947 @@
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// Copyright 2021 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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class ComponentScreen extends StatelessWidget {
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const ComponentScreen({super.key, required this.showNavBottomBar});
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|
||||
final bool showNavBottomBar;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Expanded(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 10),
|
||||
child: Align(
|
||||
alignment: Alignment.topCenter,
|
||||
child: SizedBox(
|
||||
width: maxWidthConstraint,
|
||||
child: ListView(
|
||||
shrinkWrap: true,
|
||||
children: [
|
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colDivider,
|
||||
colDivider,
|
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const Buttons(),
|
||||
colDivider,
|
||||
colDivider,
|
||||
const IconToggleButtons(),
|
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colDivider,
|
||||
const FloatingActionButtons(),
|
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colDivider,
|
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const Chips(),
|
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colDivider,
|
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const Cards(),
|
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colDivider,
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const TextFields(),
|
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colDivider,
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const Dialogs(),
|
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colDivider,
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showNavBottomBar
|
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? const NavigationBars(
|
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selectedIndex: 0,
|
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isExampleBar: true,
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)
|
||||
: Container(),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
const rowDivider = SizedBox(width: 10);
|
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const colDivider = SizedBox(height: 10);
|
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const double cardWidth = 115;
|
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const double maxWidthConstraint = 400;
|
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|
||||
void Function()? handlePressed(
|
||||
BuildContext context, bool isDisabled, String buttonName) {
|
||||
return isDisabled
|
||||
? null
|
||||
: () {
|
||||
final snackBar = SnackBar(
|
||||
content: Text(
|
||||
'Yay! $buttonName is clicked!',
|
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style: TextStyle(color: Theme.of(context).colorScheme.surface),
|
||||
),
|
||||
action: SnackBarAction(
|
||||
textColor: Theme.of(context).colorScheme.surface,
|
||||
label: 'Close',
|
||||
onPressed: () {},
|
||||
),
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||||
);
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||||
|
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ScaffoldMessenger.of(context).showSnackBar(snackBar);
|
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};
|
||||
}
|
||||
|
||||
class Buttons extends StatefulWidget {
|
||||
const Buttons({super.key});
|
||||
|
||||
@override
|
||||
State<Buttons> createState() => _ButtonsState();
|
||||
}
|
||||
|
||||
class _ButtonsState extends State<Buttons> {
|
||||
@override
|
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Widget build(BuildContext context) {
|
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return Wrap(
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alignment: WrapAlignment.spaceEvenly,
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children: const <Widget>[
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ButtonsWithoutIcon(isDisabled: false),
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rowDivider,
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ButtonsWithIcon(),
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rowDivider,
|
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ButtonsWithoutIcon(isDisabled: true),
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||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class ButtonsWithoutIcon extends StatelessWidget {
|
||||
final bool isDisabled;
|
||||
|
||||
const ButtonsWithoutIcon({super.key, required this.isDisabled});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return IntrinsicWidth(
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.stretch,
|
||||
children: <Widget>[
|
||||
ElevatedButton(
|
||||
onPressed: handlePressed(context, isDisabled, 'ElevatedButton'),
|
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child: const Text('Elevated'),
|
||||
),
|
||||
colDivider,
|
||||
ElevatedButton(
|
||||
style: ElevatedButton.styleFrom(
|
||||
foregroundColor: Theme.of(context).colorScheme.onPrimary,
|
||||
backgroundColor: Theme.of(context).colorScheme.primary,
|
||||
).copyWith(elevation: ButtonStyleButton.allOrNull(0.0)),
|
||||
onPressed: handlePressed(context, isDisabled, 'FilledButton'),
|
||||
child: const Text('Filled'),
|
||||
),
|
||||
colDivider,
|
||||
ElevatedButton(
|
||||
style: ElevatedButton.styleFrom(
|
||||
foregroundColor:
|
||||
Theme.of(context).colorScheme.onSecondaryContainer,
|
||||
backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
|
||||
).copyWith(elevation: ButtonStyleButton.allOrNull(0.0)),
|
||||
onPressed: handlePressed(context, isDisabled, 'FilledTonalButton'),
|
||||
child: const Text('Filled Tonal'),
|
||||
),
|
||||
colDivider,
|
||||
OutlinedButton(
|
||||
onPressed: handlePressed(context, isDisabled, 'OutlinedButton'),
|
||||
child: const Text('Outlined'),
|
||||
),
|
||||
colDivider,
|
||||
TextButton(
|
||||
onPressed: handlePressed(context, isDisabled, 'TextButton'),
|
||||
child: const Text('Text')),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class ButtonsWithIcon extends StatelessWidget {
|
||||
const ButtonsWithIcon({super.key});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return IntrinsicWidth(
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.stretch,
|
||||
children: <Widget>[
|
||||
ElevatedButton.icon(
|
||||
onPressed:
|
||||
handlePressed(context, false, 'ElevatedButton with Icon'),
|
||||
icon: const Icon(Icons.add),
|
||||
label: const Text('Icon'),
|
||||
),
|
||||
colDivider,
|
||||
ElevatedButton.icon(
|
||||
style: ElevatedButton.styleFrom(
|
||||
foregroundColor: Theme.of(context).colorScheme.onPrimary,
|
||||
backgroundColor: Theme.of(context).colorScheme.primary,
|
||||
).copyWith(elevation: ButtonStyleButton.allOrNull(0.0)),
|
||||
onPressed: handlePressed(context, false, 'FilledButton with Icon'),
|
||||
label: const Text('Icon'),
|
||||
icon: const Icon(Icons.add),
|
||||
),
|
||||
colDivider,
|
||||
ElevatedButton.icon(
|
||||
style: ElevatedButton.styleFrom(
|
||||
foregroundColor:
|
||||
Theme.of(context).colorScheme.onSecondaryContainer,
|
||||
backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
|
||||
).copyWith(elevation: ButtonStyleButton.allOrNull(0.0)),
|
||||
onPressed:
|
||||
handlePressed(context, false, 'FilledTonalButton with Icon'),
|
||||
label: const Text('Icon'),
|
||||
icon: const Icon(Icons.add),
|
||||
),
|
||||
colDivider,
|
||||
OutlinedButton.icon(
|
||||
onPressed:
|
||||
handlePressed(context, false, 'OutlinedButton with Icon'),
|
||||
icon: const Icon(Icons.add),
|
||||
label: const Text('Icon'),
|
||||
),
|
||||
colDivider,
|
||||
TextButton.icon(
|
||||
onPressed: handlePressed(context, false, 'TextButton with Icon'),
|
||||
icon: const Icon(Icons.add),
|
||||
label: const Text('Icon'),
|
||||
)
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class FloatingActionButtons extends StatelessWidget {
|
||||
const FloatingActionButtons({super.key});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 10),
|
||||
child: Wrap(
|
||||
alignment: WrapAlignment.spaceEvenly,
|
||||
crossAxisAlignment: WrapCrossAlignment.center,
|
||||
children: [
|
||||
FloatingActionButton.small(
|
||||
onPressed: () {},
|
||||
child: const Icon(Icons.add),
|
||||
),
|
||||
rowDivider,
|
||||
FloatingActionButton(
|
||||
onPressed: () {},
|
||||
child: const Icon(Icons.add),
|
||||
),
|
||||
rowDivider,
|
||||
FloatingActionButton.extended(
|
||||
onPressed: () {},
|
||||
icon: const Icon(Icons.add),
|
||||
label: const Text('Create'),
|
||||
),
|
||||
rowDivider,
|
||||
FloatingActionButton.large(
|
||||
onPressed: () {},
|
||||
child: const Icon(Icons.add),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class Cards extends StatelessWidget {
|
||||
const Cards({super.key});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 10),
|
||||
child: Wrap(
|
||||
alignment: WrapAlignment.spaceEvenly,
|
||||
children: [
|
||||
SizedBox(
|
||||
width: cardWidth,
|
||||
child: Tooltip(
|
||||
margin: const EdgeInsets.only(top: 20),
|
||||
message: 'Elevated Card',
|
||||
child: Card(
|
||||
child: Container(
|
||||
padding: const EdgeInsets.all(10),
|
||||
child: Column(
|
||||
children: const [
|
||||
Align(
|
||||
alignment: Alignment.topRight,
|
||||
child: Icon(Icons.more_vert),
|
||||
),
|
||||
SizedBox(height: 35),
|
||||
Align(
|
||||
alignment: Alignment.bottomLeft,
|
||||
child: Text('Elevated'),
|
||||
)
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
SizedBox(
|
||||
width: cardWidth,
|
||||
child: Tooltip(
|
||||
margin: const EdgeInsets.only(top: 20),
|
||||
message: 'Filled Card',
|
||||
child: Card(
|
||||
color: Theme.of(context).colorScheme.surfaceVariant,
|
||||
elevation: 0,
|
||||
child: Container(
|
||||
padding: const EdgeInsets.all(10),
|
||||
child: Column(
|
||||
children: const [
|
||||
Align(
|
||||
alignment: Alignment.topRight,
|
||||
child: Icon(Icons.more_vert),
|
||||
),
|
||||
SizedBox(height: 35),
|
||||
Align(
|
||||
alignment: Alignment.bottomLeft,
|
||||
child: Text('Filled'),
|
||||
)
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
SizedBox(
|
||||
width: cardWidth,
|
||||
child: Tooltip(
|
||||
margin: const EdgeInsets.only(top: 20),
|
||||
message: 'Outlined Card',
|
||||
child: Card(
|
||||
elevation: 0,
|
||||
shape: RoundedRectangleBorder(
|
||||
side: BorderSide(
|
||||
color: Theme.of(context).colorScheme.outline,
|
||||
),
|
||||
borderRadius: const BorderRadius.all(Radius.circular(12)),
|
||||
),
|
||||
child: Container(
|
||||
padding: const EdgeInsets.all(10),
|
||||
child: Column(
|
||||
children: const [
|
||||
Align(
|
||||
alignment: Alignment.topRight,
|
||||
child: Icon(Icons.more_vert),
|
||||
),
|
||||
SizedBox(height: 35),
|
||||
Align(
|
||||
alignment: Alignment.bottomLeft,
|
||||
child: Text('Outlined'),
|
||||
)
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class TextFields extends StatelessWidget {
|
||||
const TextFields({super.key});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
mainAxisAlignment: MainAxisAlignment.start,
|
||||
children: [
|
||||
const Padding(
|
||||
padding: EdgeInsets.all(10),
|
||||
child: TextField(
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(Icons.search),
|
||||
suffixIcon: Icon(Icons.clear),
|
||||
labelText: 'Filled',
|
||||
hintText: 'hint text',
|
||||
helperText: 'supporting text',
|
||||
filled: true,
|
||||
),
|
||||
),
|
||||
),
|
||||
Padding(
|
||||
padding: const EdgeInsets.all(10),
|
||||
child: Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: const [
|
||||
SizedBox(
|
||||
width: 170,
|
||||
child: TextField(
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(Icons.search),
|
||||
suffixIcon: Icon(Icons.clear),
|
||||
labelText: 'Filled',
|
||||
hintText: 'hint text',
|
||||
helperText: 'supporting text',
|
||||
filled: true,
|
||||
errorText: 'error text',
|
||||
),
|
||||
),
|
||||
),
|
||||
SizedBox(
|
||||
width: 170,
|
||||
child: TextField(
|
||||
enabled: false,
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(Icons.search),
|
||||
suffixIcon: Icon(Icons.clear),
|
||||
labelText: 'Disabled',
|
||||
hintText: 'hint text',
|
||||
helperText: 'supporting text',
|
||||
filled: true,
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
const Padding(
|
||||
padding: EdgeInsets.all(10),
|
||||
child: TextField(
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(Icons.search),
|
||||
suffixIcon: Icon(Icons.clear),
|
||||
labelText: 'Outlined',
|
||||
hintText: 'hint text',
|
||||
helperText: 'supporting text',
|
||||
border: OutlineInputBorder(),
|
||||
),
|
||||
),
|
||||
),
|
||||
Padding(
|
||||
padding: const EdgeInsets.all(10),
|
||||
child: Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: const [
|
||||
SizedBox(
|
||||
width: 170,
|
||||
child: TextField(
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(Icons.search),
|
||||
suffixIcon: Icon(Icons.clear),
|
||||
labelText: 'Outlined',
|
||||
hintText: 'hint text',
|
||||
helperText: 'supporting text',
|
||||
errorText: 'error text',
|
||||
border: OutlineInputBorder(),
|
||||
filled: true,
|
||||
),
|
||||
),
|
||||
),
|
||||
SizedBox(
|
||||
width: 170,
|
||||
child: TextField(
|
||||
enabled: false,
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(Icons.search),
|
||||
suffixIcon: Icon(Icons.clear),
|
||||
labelText: 'Disabled',
|
||||
hintText: 'hint text',
|
||||
helperText: 'supporting text',
|
||||
border: OutlineInputBorder(),
|
||||
filled: true,
|
||||
),
|
||||
),
|
||||
),
|
||||
])),
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class Dialogs extends StatefulWidget {
|
||||
const Dialogs({super.key});
|
||||
|
||||
@override
|
||||
State<Dialogs> createState() => _DialogsState();
|
||||
}
|
||||
|
||||
class _DialogsState extends State<Dialogs> {
|
||||
void openDialog(BuildContext context) {
|
||||
showDialog<void>(
|
||||
context: context,
|
||||
builder: (context) => AlertDialog(
|
||||
title: const Text('Basic Dialog Title'),
|
||||
content: const Text(
|
||||
'A dialog is a type of modal window that appears in front of app content to provide critical information, or prompt for a decision to be made.'),
|
||||
actions: <Widget>[
|
||||
TextButton(
|
||||
child: const Text('Dismiss'),
|
||||
onPressed: () => Navigator.of(context).pop(),
|
||||
),
|
||||
TextButton(
|
||||
child: const Text('Action'),
|
||||
onPressed: () => Navigator.of(context).pop(),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 10),
|
||||
child: TextButton(
|
||||
child: const Text(
|
||||
'Open Dialog',
|
||||
style: TextStyle(fontWeight: FontWeight.bold),
|
||||
),
|
||||
onPressed: () => openDialog(context),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
const List<NavigationDestination> appBarDestinations = [
|
||||
NavigationDestination(
|
||||
tooltip: 'Updated component list',
|
||||
icon: Icon(Icons.widgets_outlined),
|
||||
label: 'Components',
|
||||
selectedIcon: Icon(Icons.widgets),
|
||||
),
|
||||
NavigationDestination(
|
||||
tooltip: 'Color palettes in light and dark modes',
|
||||
icon: Icon(Icons.format_paint_outlined),
|
||||
label: 'Color',
|
||||
selectedIcon: Icon(Icons.format_paint),
|
||||
),
|
||||
NavigationDestination(
|
||||
tooltip: 'Different text styles for the default TextTheme',
|
||||
icon: Icon(Icons.text_snippet_outlined),
|
||||
label: 'Typography',
|
||||
selectedIcon: Icon(Icons.text_snippet),
|
||||
),
|
||||
NavigationDestination(
|
||||
tooltip:
|
||||
'Different ways of elevation with a new supported feature "surfaceTintColor"',
|
||||
icon: Icon(Icons.invert_colors_on_outlined),
|
||||
label: 'Elevation',
|
||||
selectedIcon: Icon(Icons.opacity),
|
||||
)
|
||||
];
|
||||
|
||||
final List<NavigationRailDestination> navRailDestinations = appBarDestinations
|
||||
.map(
|
||||
(destination) => NavigationRailDestination(
|
||||
icon: Tooltip(
|
||||
message: destination.label,
|
||||
child: destination.icon,
|
||||
),
|
||||
selectedIcon: Tooltip(
|
||||
message: destination.label,
|
||||
child: destination.selectedIcon,
|
||||
),
|
||||
label: Text(destination.label),
|
||||
),
|
||||
)
|
||||
.toList();
|
||||
|
||||
const List<Widget> exampleBarDestinations = [
|
||||
NavigationDestination(
|
||||
tooltip: '',
|
||||
icon: Icon(Icons.explore_outlined),
|
||||
label: 'Explore',
|
||||
selectedIcon: Icon(Icons.explore),
|
||||
),
|
||||
NavigationDestination(
|
||||
tooltip: '',
|
||||
icon: Icon(Icons.pets_outlined),
|
||||
label: 'Pets',
|
||||
selectedIcon: Icon(Icons.pets),
|
||||
),
|
||||
NavigationDestination(
|
||||
tooltip: '',
|
||||
icon: Icon(Icons.account_box_outlined),
|
||||
label: 'Account',
|
||||
selectedIcon: Icon(Icons.account_box),
|
||||
)
|
||||
];
|
||||
|
||||
class NavigationBars extends StatefulWidget {
|
||||
final void Function(int)? onSelectItem;
|
||||
final int selectedIndex;
|
||||
final bool isExampleBar;
|
||||
|
||||
const NavigationBars({
|
||||
super.key,
|
||||
this.onSelectItem,
|
||||
required this.selectedIndex,
|
||||
required this.isExampleBar,
|
||||
});
|
||||
|
||||
@override
|
||||
State<NavigationBars> createState() => _NavigationBarsState();
|
||||
}
|
||||
|
||||
class _NavigationBarsState extends State<NavigationBars> {
|
||||
int selectedIndex = 0;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
selectedIndex = widget.selectedIndex;
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return NavigationBar(
|
||||
selectedIndex: selectedIndex,
|
||||
onDestinationSelected: (index) {
|
||||
setState(() {
|
||||
selectedIndex = index;
|
||||
});
|
||||
if (!widget.isExampleBar) widget.onSelectItem!(index);
|
||||
},
|
||||
destinations:
|
||||
widget.isExampleBar ? exampleBarDestinations : appBarDestinations,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class NavigationRailSection extends StatefulWidget {
|
||||
final void Function(int) onSelectItem;
|
||||
final int selectedIndex;
|
||||
|
||||
const NavigationRailSection(
|
||||
{super.key, required this.onSelectItem, required this.selectedIndex});
|
||||
|
||||
@override
|
||||
State<NavigationRailSection> createState() => _NavigationRailSectionState();
|
||||
}
|
||||
|
||||
class _NavigationRailSectionState extends State<NavigationRailSection> {
|
||||
int selectedIndex = 0;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
selectedIndex = widget.selectedIndex;
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return NavigationRail(
|
||||
minWidth: 50,
|
||||
destinations: navRailDestinations,
|
||||
selectedIndex: selectedIndex,
|
||||
useIndicator: true,
|
||||
onDestinationSelected: (index) {
|
||||
setState(() {
|
||||
selectedIndex = index;
|
||||
});
|
||||
widget.onSelectItem(index);
|
||||
},
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class IconToggleButtons extends StatefulWidget {
|
||||
const IconToggleButtons({super.key});
|
||||
|
||||
@override
|
||||
State<IconToggleButtons> createState() => _IconToggleButtonsState();
|
||||
}
|
||||
|
||||
class _IconToggleButtonsState extends State<IconToggleButtons> {
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.all(10.0),
|
||||
child: Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: <Widget>[
|
||||
Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
// Standard IconButton
|
||||
children: const <Widget>[
|
||||
IconToggleButton(isEnabled: true),
|
||||
colDivider,
|
||||
IconToggleButton(isEnabled: false),
|
||||
],
|
||||
),
|
||||
Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: const <Widget>[
|
||||
// Filled IconButton
|
||||
IconToggleButton(
|
||||
isEnabled: true,
|
||||
getDefaultStyle: enabledFilledButtonStyle,
|
||||
),
|
||||
colDivider,
|
||||
IconToggleButton(
|
||||
isEnabled: false,
|
||||
getDefaultStyle: disabledFilledButtonStyle,
|
||||
),
|
||||
],
|
||||
),
|
||||
Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: const <Widget>[
|
||||
// Filled Tonal IconButton
|
||||
IconToggleButton(
|
||||
isEnabled: true,
|
||||
getDefaultStyle: enabledFilledTonalButtonStyle,
|
||||
),
|
||||
colDivider,
|
||||
IconToggleButton(
|
||||
isEnabled: false,
|
||||
getDefaultStyle: disabledFilledTonalButtonStyle,
|
||||
),
|
||||
],
|
||||
),
|
||||
Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: const <Widget>[
|
||||
// Outlined IconButton
|
||||
IconToggleButton(
|
||||
isEnabled: true,
|
||||
getDefaultStyle: enabledOutlinedButtonStyle,
|
||||
),
|
||||
colDivider,
|
||||
IconToggleButton(
|
||||
isEnabled: false,
|
||||
getDefaultStyle: disabledOutlinedButtonStyle,
|
||||
),
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class IconToggleButton extends StatefulWidget {
|
||||
const IconToggleButton({
|
||||
required this.isEnabled,
|
||||
this.getDefaultStyle,
|
||||
super.key,
|
||||
});
|
||||
|
||||
final bool isEnabled;
|
||||
final ButtonStyle? Function(bool, ColorScheme)? getDefaultStyle;
|
||||
|
||||
@override
|
||||
State<IconToggleButton> createState() => _IconToggleButtonState();
|
||||
}
|
||||
|
||||
class _IconToggleButtonState extends State<IconToggleButton> {
|
||||
bool selected = false;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
final ColorScheme colors = Theme.of(context).colorScheme;
|
||||
final VoidCallback? onPressed = widget.isEnabled
|
||||
? () {
|
||||
setState(() {
|
||||
selected = !selected;
|
||||
});
|
||||
}
|
||||
: null;
|
||||
ButtonStyle? style = widget.getDefaultStyle?.call(selected, colors);
|
||||
|
||||
return IconButton(
|
||||
visualDensity: VisualDensity.standard,
|
||||
isSelected: selected,
|
||||
icon: const Icon(Icons.settings_outlined),
|
||||
selectedIcon: const Icon(Icons.settings),
|
||||
onPressed: onPressed,
|
||||
style: style,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
ButtonStyle enabledFilledButtonStyle(bool selected, ColorScheme colors) {
|
||||
return IconButton.styleFrom(
|
||||
foregroundColor: selected ? colors.onPrimary : colors.primary,
|
||||
backgroundColor: selected ? colors.primary : colors.surfaceVariant,
|
||||
disabledForegroundColor: colors.onSurface.withOpacity(0.38),
|
||||
disabledBackgroundColor: colors.onSurface.withOpacity(0.12),
|
||||
hoverColor: selected
|
||||
? colors.onPrimary.withOpacity(0.08)
|
||||
: colors.primary.withOpacity(0.08),
|
||||
focusColor: selected
|
||||
? colors.onPrimary.withOpacity(0.12)
|
||||
: colors.primary.withOpacity(0.12),
|
||||
highlightColor: selected
|
||||
? colors.onPrimary.withOpacity(0.12)
|
||||
: colors.primary.withOpacity(0.12),
|
||||
);
|
||||
}
|
||||
|
||||
ButtonStyle disabledFilledButtonStyle(bool selected, ColorScheme colors) {
|
||||
return IconButton.styleFrom(
|
||||
disabledForegroundColor: colors.onSurface.withOpacity(0.38),
|
||||
disabledBackgroundColor: colors.onSurface.withOpacity(0.12),
|
||||
);
|
||||
}
|
||||
|
||||
ButtonStyle enabledFilledTonalButtonStyle(bool selected, ColorScheme colors) {
|
||||
return IconButton.styleFrom(
|
||||
foregroundColor:
|
||||
selected ? colors.onSecondaryContainer : colors.onSurfaceVariant,
|
||||
backgroundColor:
|
||||
selected ? colors.secondaryContainer : colors.surfaceVariant,
|
||||
hoverColor: selected
|
||||
? colors.onSecondaryContainer.withOpacity(0.08)
|
||||
: colors.onSurfaceVariant.withOpacity(0.08),
|
||||
focusColor: selected
|
||||
? colors.onSecondaryContainer.withOpacity(0.12)
|
||||
: colors.onSurfaceVariant.withOpacity(0.12),
|
||||
highlightColor: selected
|
||||
? colors.onSecondaryContainer.withOpacity(0.12)
|
||||
: colors.onSurfaceVariant.withOpacity(0.12),
|
||||
);
|
||||
}
|
||||
|
||||
ButtonStyle disabledFilledTonalButtonStyle(bool selected, ColorScheme colors) {
|
||||
return IconButton.styleFrom(
|
||||
disabledForegroundColor: colors.onSurface.withOpacity(0.38),
|
||||
disabledBackgroundColor: colors.onSurface.withOpacity(0.12),
|
||||
);
|
||||
}
|
||||
|
||||
ButtonStyle enabledOutlinedButtonStyle(bool selected, ColorScheme colors) {
|
||||
return IconButton.styleFrom(
|
||||
backgroundColor: selected ? colors.inverseSurface : null,
|
||||
hoverColor: selected
|
||||
? colors.onInverseSurface.withOpacity(0.08)
|
||||
: colors.onSurfaceVariant.withOpacity(0.08),
|
||||
focusColor: selected
|
||||
? colors.onInverseSurface.withOpacity(0.12)
|
||||
: colors.onSurfaceVariant.withOpacity(0.12),
|
||||
highlightColor: selected
|
||||
? colors.onInverseSurface.withOpacity(0.12)
|
||||
: colors.onSurface.withOpacity(0.12),
|
||||
side: BorderSide(color: colors.outline),
|
||||
).copyWith(
|
||||
foregroundColor: MaterialStateProperty.resolveWith((states) {
|
||||
if (states.contains(MaterialState.selected)) {
|
||||
return colors.onInverseSurface;
|
||||
}
|
||||
if (states.contains(MaterialState.pressed)) {
|
||||
return colors.onSurface;
|
||||
}
|
||||
return null;
|
||||
}),
|
||||
);
|
||||
}
|
||||
|
||||
ButtonStyle disabledOutlinedButtonStyle(bool selected, ColorScheme colors) {
|
||||
return IconButton.styleFrom(
|
||||
disabledForegroundColor: colors.onSurface.withOpacity(0.38),
|
||||
disabledBackgroundColor:
|
||||
selected ? colors.onSurface.withOpacity(0.12) : null,
|
||||
side: selected ? null : BorderSide(color: colors.outline.withOpacity(0.12)),
|
||||
);
|
||||
}
|
||||
|
||||
class Chips extends StatelessWidget {
|
||||
const Chips({super.key});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.all(10.0),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.stretch,
|
||||
children: <Widget>[
|
||||
Wrap(
|
||||
alignment: WrapAlignment.spaceBetween,
|
||||
runSpacing: 5,
|
||||
children: <Widget>[
|
||||
ActionChip(
|
||||
label: const Text('Assist'),
|
||||
avatar: const Icon(Icons.chat_outlined),
|
||||
onPressed: () {}),
|
||||
ActionChip(
|
||||
label: const Text('Set alarm'),
|
||||
avatar: const Icon(Icons.alarm_add_outlined),
|
||||
onPressed: () {}),
|
||||
const ActionChip(
|
||||
label: Text('No Action'),
|
||||
avatar: Icon(Icons.indeterminate_check_box_outlined),
|
||||
),
|
||||
],
|
||||
),
|
||||
colDivider,
|
||||
Wrap(
|
||||
alignment: WrapAlignment.spaceBetween,
|
||||
runSpacing: 5,
|
||||
children: <Widget>[
|
||||
FilterChip(
|
||||
label: const Text('Filter'),
|
||||
onSelected: (isSelected) {},
|
||||
),
|
||||
FilterChip(
|
||||
label: const Text('OK'),
|
||||
selected: true,
|
||||
onSelected: (isSelected) {},
|
||||
),
|
||||
const FilterChip(
|
||||
label: Text('Disabled'),
|
||||
selected: true,
|
||||
onSelected: null,
|
||||
),
|
||||
const FilterChip(
|
||||
label: Text('Disabled'),
|
||||
onSelected: null,
|
||||
)
|
||||
],
|
||||
),
|
||||
colDivider,
|
||||
Wrap(
|
||||
alignment: WrapAlignment.spaceBetween,
|
||||
runSpacing: 5,
|
||||
children: <Widget>[
|
||||
InputChip(
|
||||
label: const Text('Input'),
|
||||
onDeleted: () {},
|
||||
),
|
||||
InputChip(
|
||||
label: const Text('Egg'),
|
||||
onDeleted: () {},
|
||||
),
|
||||
InputChip(
|
||||
label: const Text('Lettuce'),
|
||||
showCheckmark: false,
|
||||
selected: true,
|
||||
onDeleted: () {},
|
||||
),
|
||||
const InputChip(
|
||||
label: Text('No'),
|
||||
isEnabled: false,
|
||||
),
|
||||
],
|
||||
),
|
||||
colDivider,
|
||||
Wrap(
|
||||
alignment: WrapAlignment.spaceBetween,
|
||||
runSpacing: 5,
|
||||
children: <Widget>[
|
||||
ActionChip(
|
||||
label: const Text('Suggestion'),
|
||||
onPressed: () {},
|
||||
),
|
||||
ActionChip(
|
||||
label: const Text('I agree'),
|
||||
onPressed: () {},
|
||||
),
|
||||
ActionChip(
|
||||
label: const Text('LGTM'),
|
||||
onPressed: () {},
|
||||
),
|
||||
const ActionChip(label: Text('Nope')),
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user