flutter_desktop_notifications 1.1.0 
flutter_desktop_notifications: ^1.1.0 copied to clipboard
luminest.ioNative desktop notifications for Flutter on Windows, macOS, and Linux. One unified API for title, body, images, buttons, replies, and click/dismiss callbacks.
example/lib/main.dart
import 'dart:io' show Platform;
import 'dart:ui' show ImageFilter;
import 'package:flutter/material.dart';
import 'package:flutter_desktop_notifications/flutter_desktop_notifications.dart';
const _aumid = 'io.luminest.flutter_desktop_notifications.example';
const _displayName = 'Windows Notification Demo';
const _heroSize = Size(364, 180);
Future<void> main() async {
WidgetsFlutterBinding.ensureInitialized();
// Unpackaged Windows apps need a registered AUMID or Windows drops the toast.
// No-op on macOS and Linux, where the API isn't available.
if (Platform.isWindows) {
await WindowsNotification.registerAumid(
aumid: _aumid,
displayName: _displayName,
);
}
runApp(const ExampleApp());
}
class ExampleApp extends StatefulWidget {
const ExampleApp({super.key});
@override
State<ExampleApp> createState() => _ExampleAppState();
}
class _ExampleAppState extends State<ExampleApp> {
/// Selectable accent colors for the demo's theme.
static const List<(String, Color)> swatches = [
('Violet', Color(0xFF7C4DFF)),
('Indigo', Color(0xFF3F51B5)),
('Blue', Color(0xFF2196F3)),
('Teal', Color(0xFF009688)),
('Green', Color(0xFF43A047)),
('Amber', Color(0xFFFFB300)),
('Orange', Color(0xFFFB8C00)),
('Rose', Color(0xFFEC407A)),
];
Color _seed = swatches.first.$2;
ThemeMode _mode = ThemeMode.light;
ThemeData _theme(Brightness brightness) => ThemeData(
colorScheme:
ColorScheme.fromSeed(seedColor: _seed, brightness: brightness),
useMaterial3: true,
);
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
title: 'flutter_desktop_notifications demo',
theme: _theme(Brightness.light),
darkTheme: _theme(Brightness.dark),
themeMode: _mode,
home: HomePage(
swatches: swatches,
seed: _seed,
isDark: _mode == ThemeMode.dark,
onSeedChanged: (c) => setState(() => _seed = c),
onDarkChanged: (d) =>
setState(() => _mode = d ? ThemeMode.dark : ThemeMode.light),
),
);
}
}
class HomePage extends StatefulWidget {
final List<(String, Color)> swatches;
final Color seed;
final bool isDark;
final ValueChanged<Color> onSeedChanged;
final ValueChanged<bool> onDarkChanged;
const HomePage({
super.key,
required this.swatches,
required this.seed,
required this.isDark,
required this.onSeedChanged,
required this.onDarkChanged,
});
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
// Windows-only rich API (scenarios, audio, progress, custom XML, hero images).
final _notifier = WindowsNotification(applicationId: _aumid);
// Cross-platform API (Windows, macOS, Linux).
final _desktop = DesktopNotifier(appName: _displayName, appId: _aumid);
String _status = 'No event yet — fire a notification above, then click it.';
@override
void initState() {
super.initState();
// On Windows both notifiers share the same native callback channel, so one
// handler covers everything.
_desktop.requestPermission();
_desktop.setCallback(_onEvent);
}
void _onEvent(NotificationCallbackDetails details) {
final parts = <String>['id=${details.message.id}'];
if (details.arguments != null) parts.add('args=${details.arguments}');
if (details.userInput.isNotEmpty) parts.add('input=${details.userInput}');
setState(() => _status = '${_eventLabel(details.event)} · '
'${parts.join(" · ")}');
// "Open" buttons should pull the app back to the front.
if (details.event == NotificationEvent.activated &&
details.arguments == 'action:open') {
WindowsNotification.bringAppToForeground();
}
}
String _eventLabel(NotificationEvent e) => switch (e) {
NotificationEvent.activated => 'ACTIVATED',
NotificationEvent.dismissedByUser => 'DISMISSED',
NotificationEvent.dismissedByApp => 'HIDDEN',
NotificationEvent.dismissedByTimeout => 'TIMED OUT',
};
/// Sets a status line, runs [action], and reports any failure.
Future<void> _run(String fired, Future<void> Function() action) async {
setState(() => _status = fired);
try {
await action();
} catch (e) {
if (mounted) setState(() => _status = 'Error: $e');
}
}
// ---- Cross-platform (DesktopNotifier): Windows, macOS, Linux ----
Future<void> _xSimple() => _run(
'Fired a cross-platform notification.',
() => _desktop.show(
NotificationMessage.fromPluginTemplate(
'x-simple',
'Build complete',
'Works the same on Windows, macOS, and Linux.',
),
),
);
Future<void> _xButtons() => _run(
'Fired a notification with action buttons.',
() => _desktop.show(
NotificationMessage.fromPluginTemplate(
'x-buttons',
'Update available',
'Version 2.0 is ready to install.',
actions: const [
NotificationAction(
content: 'Install', arguments: 'action:install'),
NotificationAction(content: 'Later', arguments: 'action:later'),
],
),
),
);
Future<void> _xReply() => _run(
'Fired a notification with a reply field (Windows and macOS).',
() => _desktop.show(
NotificationMessage.fromPluginTemplate(
'x-reply',
'Ada Lovelace',
'Want to grab lunch at 12:30?',
inputs: const [
NotificationInput.text(id: 'reply', placeholder: 'Reply…'),
],
actions: const [
NotificationAction(
content: 'Reply',
arguments: 'action:reply',
inputId: 'reply',
),
],
),
),
);
Future<void> _xCancelAll() =>
_run('Cleared delivered notifications.', _desktop.cancelAll);
// ---- Windows-only (WindowsNotification) ----
Future<void> _simpleToast() => _run(
'Fired the Simple toast — title and body only.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'simple',
'Build complete',
'flutter build windows finished in 34.0s.',
),
),
);
Future<void> _replyToast() => _run(
'Fired the Reply toast — type something, then click Reply.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'reply',
'Ada Lovelace',
'Want to grab lunch at 12:30?',
inputs: const [
NotificationInput.text(id: 'reply', placeholder: 'Quick reply…'),
],
actions: const [
NotificationAction(
content: 'Reply',
arguments: 'action:reply',
inputId: 'reply',
),
NotificationAction(
content: 'Dismiss',
arguments: 'action:dismiss',
buttonStyle: NotificationButtonStyle.critical,
),
],
),
),
);
Future<void> _linkToast() => _run(
'Fired a toast that opens flutter.dev in your browser.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'link',
'Flutter',
'Tap the toast body to open flutter.dev.',
launch: 'https://flutter.dev',
activationType: NotificationActivationType.protocol,
),
),
);
Future<void> _reminderToast() => _run(
'Fired a Reminder — it stays until you act on it.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'reminder',
'Leave for meeting',
'Design review · Room 2001',
scenario: NotificationScenario.reminder,
extraTexts: const [
NotificationText('10:30 to 11:00 AM',
style: NotificationTextStyle.captionSubtle),
],
attribution: 'Calendar',
),
),
);
Future<void> _alarmToast() => _run(
'Fired an Alarm — loops its sound until dismissed.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'alarm',
'Morning alarm',
'7:00 AM',
scenario: NotificationScenario.alarm,
duration: NotificationDuration.long,
audio: const NotificationAudio(
sound: NotificationSound.Alarm,
loop: true,
),
actions: const [
NotificationAction(content: 'Snooze', arguments: 'action:snooze'),
NotificationAction(
content: 'Dismiss',
arguments: 'action:dismiss',
buttonStyle: NotificationButtonStyle.critical,
),
],
),
),
);
Future<void> _urgentToast() => _run(
'Fired an Urgent toast — bypasses Focus Assist.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'urgent',
'Production down',
'api.example.com · 503 for 2 minutes.',
scenario: NotificationScenario.urgent,
audio: const NotificationAudio(sound: NotificationSound.Alarm2),
actions: const [
NotificationAction(
content: 'Open dashboard',
arguments: 'action:open',
buttonStyle: NotificationButtonStyle.success,
),
NotificationAction(
content: 'Acknowledge',
arguments: 'action:ack',
),
],
),
),
);
Future<void> _silentToast() => _run(
'Fired a Silent toast — no sound, with an attribution line.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'silent',
'Backup complete',
'12.4 GB synced to OneDrive.',
audio: const NotificationAudio.silent(),
attribution: 'OneDrive',
),
),
);
Future<void> _progressToast() => _run(
'Fired a Progress toast — shows a determinate progress bar.',
() => _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'progress',
'Downloading update',
'v1.0.0 · 1.2 GB',
progress: const NotificationProgress(
title: 'Update installer',
value: 0.42,
valueStringOverride: '504 MB of 1.2 GB',
status: 'Downloading…',
),
),
),
);
Future<void> _customXmlToast() => _run(
'Fired a toast from hand-written toast XML.',
() => _notifier.showNotificationCustomTemplate(
NotificationMessage.fromCustomTemplate('meeting-xml', group: 'demos'),
_meetingTemplate,
),
);
Future<void> _heroToast() => _run(
'Rendered a Flutter widget and used it as the hero image.',
() async {
final theme = Theme.of(context);
final path = await WidgetToImage.toPngFile(
widget: const _MessageHeroCard(),
size: _heroSize,
pixelRatio: 2.0,
theme: theme,
);
await _notifier.showNotificationPluginTemplate(
NotificationMessage.fromPluginTemplate(
'hero',
'Ada Lovelace',
'Want to grab lunch at 12:30?',
heroImage: path,
group: 'demos',
actions: const [
NotificationAction(
content: 'Open',
arguments: 'action:open',
buttonStyle: NotificationButtonStyle.success,
),
NotificationAction(
content: 'Dismiss',
arguments: 'action:dismiss',
),
],
),
);
},
);
Future<void> _removeGroup() => _run(
'Removed the "demos" group from the Action Center.',
() => _notifier.removeNotificationGroup('demos'),
);
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
final dark = Theme.of(context).brightness == Brightness.dark;
final gradient = dark
? [
Color.alphaBlend(cs.primary.withValues(alpha: 0.30), cs.surface),
Color.alphaBlend(cs.tertiary.withValues(alpha: 0.26), cs.surface),
]
: [cs.primary, cs.tertiary];
return Scaffold(
body: Container(
width: double.infinity,
height: double.infinity,
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: gradient,
),
),
child: SafeArea(
child: Padding(
padding: const EdgeInsets.all(16),
child: SizedBox.expand(child: _panel(cs)),
),
),
),
);
}
Widget _panel(ColorScheme cs) {
return ClipRRect(
borderRadius: BorderRadius.circular(28),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 18, sigmaY: 18),
child: Container(
decoration: BoxDecoration(
color: cs.surface.withValues(alpha: 0.82),
borderRadius: BorderRadius.circular(28),
border: Border.all(color: cs.outlineVariant.withValues(alpha: 0.6)),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.16),
blurRadius: 32,
offset: const Offset(0, 14),
),
],
),
padding: const EdgeInsets.all(28),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Expanded(
child: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_header(cs),
const SizedBox(height: 28),
_themeControls(cs),
const SizedBox(height: 28),
_buttons(cs),
const SizedBox(height: 18),
_maintenanceRow(cs),
const SizedBox(height: 22),
_helpCard(cs),
],
),
),
),
const SizedBox(height: 18),
_resultCard(cs),
],
),
),
),
);
}
Widget _header(ColorScheme cs) {
return Row(
children: [
Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: cs.primaryContainer,
borderRadius: BorderRadius.circular(18),
),
child: Icon(Icons.notifications_active_rounded,
color: cs.onPrimaryContainer, size: 30),
),
const SizedBox(width: 18),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'flutter_desktop_notifications',
style: Theme.of(context)
.textTheme
.headlineSmall
?.copyWith(fontWeight: FontWeight.w700),
),
const SizedBox(height: 2),
Text(
'Native desktop notifications for Windows, macOS, and Linux.',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: cs.onSurfaceVariant,
),
),
],
),
),
],
);
}
Widget _themeControls(ColorScheme cs) {
return Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Accent color',
style: Theme.of(context).textTheme.labelMedium?.copyWith(
color: cs.onSurfaceVariant,
)),
const SizedBox(height: 10),
Wrap(
spacing: 10,
runSpacing: 10,
children: [
for (final (name, color) in widget.swatches)
_SwatchDot(
name: name,
color: color,
selected: widget.seed.toARGB32() == color.toARGB32(),
onTap: () => widget.onSeedChanged(color),
),
],
),
],
),
),
const SizedBox(width: 20),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text('Appearance',
style: Theme.of(context).textTheme.labelMedium?.copyWith(
color: cs.onSurfaceVariant,
)),
const SizedBox(height: 10),
SegmentedButton<bool>(
showSelectedIcon: false,
segments: const [
ButtonSegment(
value: false,
icon: Icon(Icons.light_mode_outlined, size: 18),
label: Text('Light'),
),
ButtonSegment(
value: true,
icon: Icon(Icons.dark_mode_outlined, size: 18),
label: Text('Dark'),
),
],
selected: {widget.isDark},
onSelectionChanged: (s) => widget.onDarkChanged(s.first),
),
],
),
],
);
}
Widget _buttons(ColorScheme cs) {
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text('Cross-platform',
style: Theme.of(context)
.textTheme
.titleMedium
?.copyWith(fontWeight: FontWeight.w600)),
const SizedBox(height: 4),
Text('DesktopNotifier — one API for Windows, macOS, and Linux.',
style: Theme.of(context).textTheme.bodySmall),
const SizedBox(height: 14),
_crossPlatformButtons(cs),
if (Platform.isWindows) ...[
const SizedBox(height: 26),
Text('Windows extras',
style: Theme.of(context)
.textTheme
.titleMedium
?.copyWith(fontWeight: FontWeight.w600)),
const SizedBox(height: 4),
Text(
'WindowsNotification — scenarios, audio, progress, custom XML, '
'and hero images.',
style: Theme.of(context).textTheme.bodySmall,
),
const SizedBox(height: 14),
LayoutBuilder(
builder: (context, constraints) {
final cols = (constraints.maxWidth / 300).floor().clamp(1, 4);
final cellWidth = (constraints.maxWidth - (cols - 1) * 14) / cols;
return Wrap(
spacing: 14,
runSpacing: 14,
children: [
_ActionButton(
width: cellWidth,
icon: Icons.notifications_active_outlined,
label: 'Simple',
description: 'Title and body, nothing else',
onTap: _simpleToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.reply_outlined,
label: 'Reply input',
description: 'Text box plus two buttons',
onTap: _replyToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.open_in_browser_outlined,
label: 'Open link',
description: 'Protocol-launch to the browser',
onTap: _linkToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.schedule_outlined,
label: 'Reminder',
description: 'Persistent · adds a snooze menu',
onTap: _reminderToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.alarm_outlined,
label: 'Alarm',
description: 'Loops until acted on · long',
onTap: _alarmToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.priority_high_rounded,
label: 'Urgent',
description: 'Bypasses Focus Assist',
onTap: _urgentToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.notifications_off_outlined,
label: 'Silent',
description: 'No sound · attribution line',
onTap: _silentToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.downloading_outlined,
label: 'Progress bar',
description: 'Value, override label, status',
onTap: _progressToast,
),
_ActionButton(
width: cellWidth,
icon: Icons.code_outlined,
label: 'Custom XML',
description: 'Hand-written toast XML',
onTap: _customXmlToast,
),
_ActionButton(
width: constraints.maxWidth,
icon: Icons.image_outlined,
label: 'Hero image from a widget',
description:
'Rasterizes a Flutter widget with WidgetToImage and '
'drops it into the toast',
primary: true,
onTap: _heroToast,
),
],
);
},
),
],
],
);
}
Widget _crossPlatformButtons(ColorScheme cs) {
return LayoutBuilder(
builder: (context, constraints) {
final cols = (constraints.maxWidth / 300).floor().clamp(1, 4);
final cellWidth = (constraints.maxWidth - (cols - 1) * 14) / cols;
return Wrap(
spacing: 14,
runSpacing: 14,
children: [
_ActionButton(
width: cellWidth,
icon: Icons.notifications_active_outlined,
label: 'Simple',
description: 'Title and body',
onTap: _xSimple,
),
_ActionButton(
width: cellWidth,
icon: Icons.smart_button_outlined,
label: 'With buttons',
description: 'Two action buttons',
onTap: _xButtons,
),
_ActionButton(
width: cellWidth,
icon: Icons.reply_outlined,
label: 'With reply',
description: 'Reply field (Windows, macOS)',
onTap: _xReply,
),
],
);
},
);
}
Widget _maintenanceRow(ColorScheme cs) {
return Wrap(
spacing: 12,
runSpacing: 12,
children: [
OutlinedButton.icon(
onPressed: _xCancelAll,
icon: const Icon(Icons.layers_clear_outlined, size: 18),
label: const Text('Clear all'),
),
if (Platform.isWindows)
OutlinedButton.icon(
onPressed: _removeGroup,
icon: const Icon(Icons.delete_sweep_outlined, size: 18),
label: const Text('Remove "demos" group'),
),
],
);
}
Widget _helpCard(ColorScheme cs) {
const tips = [
'The top row uses DesktopNotifier — it runs on Windows, macOS, and Linux',
'Click a notification or its buttons — the event shows up below',
'Type in the reply field, then send, to read the text back',
'Windows extras add scenarios, audio, progress bars, and custom XML',
'Hero image renders a live Flutter widget into a Windows toast',
'Recolor everything from the accent swatches above',
];
return Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: cs.surfaceContainerLowest.withValues(alpha: 0.5),
borderRadius: BorderRadius.circular(16),
border: Border.all(color: cs.outlineVariant),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(Icons.lightbulb_outline, color: cs.primary, size: 20),
const SizedBox(width: 8),
Text('Things to try',
style: Theme.of(context)
.textTheme
.titleSmall
?.copyWith(fontWeight: FontWeight.w700)),
],
),
const SizedBox(height: 14),
for (final tip in tips)
Padding(
padding: const EdgeInsets.only(bottom: 10),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.only(top: 1),
child: Icon(Icons.check_circle_outline,
size: 17, color: cs.primary),
),
const SizedBox(width: 10),
Expanded(
child: Text(tip,
style: Theme.of(context).textTheme.bodyMedium),
),
],
),
),
],
),
);
}
Widget _resultCard(ColorScheme cs) {
return Container(
width: double.infinity,
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: cs.surfaceContainerHigh,
borderRadius: BorderRadius.circular(14),
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Icon(Icons.bolt_rounded, size: 18, color: cs.onSurfaceVariant),
const SizedBox(width: 10),
Expanded(
child: SelectableText(
_status,
style: const TextStyle(fontFamily: 'monospace', fontSize: 13),
),
),
],
),
);
}
}
/// A circular accent-color swatch with a selection ring + check.
class _SwatchDot extends StatelessWidget {
final String name;
final Color color;
final bool selected;
final VoidCallback onTap;
const _SwatchDot({
required this.name,
required this.color,
required this.selected,
required this.onTap,
});
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
final checkColor =
ThemeData.estimateBrightnessForColor(color) == Brightness.dark
? Colors.white
: Colors.black;
return Tooltip(
message: name,
child: InkWell(
onTap: onTap,
borderRadius: BorderRadius.circular(20),
child: AnimatedContainer(
duration: const Duration(milliseconds: 150),
width: 34,
height: 34,
decoration: BoxDecoration(
color: color,
shape: BoxShape.circle,
border: Border.all(
color: selected ? cs.onSurface : Colors.transparent,
width: 2.5,
),
boxShadow: [
BoxShadow(
color: color.withValues(alpha: 0.45),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child:
selected ? Icon(Icons.check, size: 18, color: checkColor) : null,
),
),
);
}
}
/// A large, card-style button with icon, title, and description.
class _ActionButton extends StatelessWidget {
final double width;
final IconData icon;
final String label;
final String description;
final VoidCallback onTap;
final bool primary;
const _ActionButton({
required this.width,
required this.icon,
required this.label,
required this.description,
required this.onTap,
this.primary = false,
});
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
final fg = primary ? cs.onPrimary : cs.onSurface;
final sub =
primary ? cs.onPrimary.withValues(alpha: 0.85) : cs.onSurfaceVariant;
final iconBg =
primary ? cs.onPrimary.withValues(alpha: 0.18) : cs.primaryContainer;
final iconFg = primary ? cs.onPrimary : cs.onPrimaryContainer;
return SizedBox(
width: width,
child: Material(
color: primary ? cs.primary : cs.surfaceContainerHighest,
borderRadius: BorderRadius.circular(16),
clipBehavior: Clip.antiAlias,
child: InkWell(
onTap: onTap,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 16),
child: Row(
children: [
Container(
width: 46,
height: 46,
decoration: BoxDecoration(
color: iconBg,
borderRadius: BorderRadius.circular(12),
),
child: Icon(icon, color: iconFg, size: 24),
),
const SizedBox(width: 14),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text(
label,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: fg,
),
),
const SizedBox(height: 2),
Text(
description,
style: TextStyle(fontSize: 12.5, color: sub),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
],
),
),
Icon(Icons.chevron_right, color: sub),
],
),
),
),
),
);
}
}
/// Rendered off-screen by [WidgetToImage] and used as a toast hero image.
/// Sized for the 364 x 180 hero slot; picks up the app's accent via [Theme].
class _MessageHeroCard extends StatelessWidget {
const _MessageHeroCard();
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
return DecoratedBox(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [cs.primary, cs.tertiary],
),
),
child: Padding(
padding: const EdgeInsets.all(20),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: 56,
height: 56,
alignment: Alignment.center,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: cs.onPrimary.withValues(alpha: 0.18),
border: Border.all(
color: cs.onPrimary.withValues(alpha: 0.6),
width: 2,
),
),
child: Text(
'AL',
style: TextStyle(
color: cs.onPrimary,
fontSize: 22,
fontWeight: FontWeight.w700,
),
),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Expanded(
child: Text(
'Ada Lovelace',
style: TextStyle(
color: cs.onPrimary,
fontSize: 18,
fontWeight: FontWeight.w700,
),
),
),
Text(
'12:24',
style: TextStyle(
color: cs.onPrimary.withValues(alpha: 0.8),
fontSize: 12,
),
),
],
),
const SizedBox(height: 8),
Text(
'Want to grab lunch at 12:30? I found a new ramen place '
'around the corner.',
maxLines: 3,
overflow: TextOverflow.ellipsis,
style: TextStyle(
color: cs.onPrimary.withValues(alpha: 0.92),
fontSize: 14,
height: 1.3,
),
),
],
),
),
],
),
),
);
}
}
/// Hand-written toast XML, shown by the "Custom XML" button. Anything the
/// structured builder doesn't cover can be sent as a raw template like this.
const _meetingTemplate = '''
<toast scenario="reminder" launch="open=event&id=1983">
<visual>
<binding template="ToastGeneric">
<text>Design review</text>
<text>Room 2001 · Building 135</text>
<text>10:00 AM - 10:30 AM</text>
</binding>
</visual>
<actions>
<input id="snoozeTime" type="selection" defaultInput="15">
<selection id="1" content="1 minute"/>
<selection id="15" content="15 minutes"/>
<selection id="60" content="1 hour"/>
</input>
<action activationType="system" arguments="snooze" hint-inputId="snoozeTime" content=""/>
<action activationType="system" arguments="dismiss" content=""/>
</actions>
</toast>
''';Metadata
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points
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downloads
Publisher
Weekly Downloads
Metadata
Native desktop notifications for Flutter on Windows, macOS, and Linux. One unified API for title, body, images, buttons, replies, and click/dismiss callbacks.
Homepage
Repository (GitHub)
View/report issues
Topics
#notifications #desktop #windows #macos #linux
License
unknown (license)
Dependencies
desktop_notifications, flutter, plugin_platform_interface
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Packages that implement flutter_desktop_notifications
