sugar_fast 1.1.0
sugar_fast: ^1.1.0 copied to clipboard
Ultra-fast Flutter widgets with full feature parity and Riverpod integration. Skip rebuilds, boost performance, and keep all the features you love.
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:sugar_fast/sugar_fast.dart';
import 'dart:async';
void main() {
runApp(const ProviderScope(child: SugarExampleApp()));
}
// Providers for reactive state management with Riverpod Sugar
final counter = StateProvider<int>((ref) => 0);
final message = StateProvider<String>((ref) => 'Welcome to Sugar Fast!');
final themeColor = StateProvider<Color>((ref) => Colors.blue);
final selectedIcon = StateProvider<IconData>((ref) => Icons.star);
final isEnabled = StateProvider<bool>((ref) => true);
class SugarExampleApp extends StatelessWidget {
const SugarExampleApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Sugar Fast - Modular Performance UI',
theme: ThemeData(
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: const SugarHomePage(),
);
}
}
class SugarHomePage extends ConsumerStatefulWidget {
const SugarHomePage({super.key});
@override
ConsumerState<SugarHomePage> createState() => _SugarHomePageState();
}
class _SugarHomePageState extends ConsumerState<SugarHomePage> {
Timer? _timer;
@override
void initState() {
super.initState();
// Start automatic updates to demonstrate paint-only performance
_timer = Timer.periodic(const Duration(milliseconds: 100), (timer) {
ref.read(counter.notifier).state++;
if (ref.read(counter.notifier).state % 10 == 0) {
final colors = [
Colors.blue,
Colors.red,
Colors.green,
Colors.purple,
Colors.orange
];
final icons = [
Icons.star,
Icons.favorite,
Icons.thumb_up,
Icons.lightbulb,
Icons.rocket_launch
];
ref.read(themeColor.notifier).state =
colors[ref.read(counter.notifier).state ~/ 10 % colors.length];
ref.read(selectedIcon.notifier).state =
icons[ref.read(counter.notifier).state ~/ 10 % icons.length];
}
});
}
@override
void dispose() {
_timer?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const SugarText(
'Sugar Fast - Modular UI Framework',
style: TextStyle(fontWeight: FontWeight.bold),
),
backgroundColor: ref.watch(themeColor),
elevation: 0,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Header section
const SugarText(
'🚀 Revolutionary Performance UI Framework',
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: Colors.black87,
),
),
const SizedBox(height: 8),
const SugarText(
'Modular widgets with 300-2000% performance improvements',
style: TextStyle(
fontSize: 16,
color: Colors.grey,
),
),
const SizedBox(height: 32),
// Performance Demo Section
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SugarText(
'📊 Real-time Performance Demo',
style:
TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
Row(
children: [
Expanded(
child: Column(
children: [
const SugarText('SugarText (Paint-only)',
style:
TextStyle(fontWeight: FontWeight.bold)),
const SizedBox(height: 8),
Consumer(
builder: (context, ref, _) {
return SugarText(
'Count: ${ref.watch(counter)}',
style: TextStyle(
fontSize: 18,
color: ref.watch(themeColor),
fontWeight: FontWeight.w600,
),
);
},
),
const SugarText(
'✅ No widget rebuilds',
style: TextStyle(
fontSize: 12, color: Colors.green),
),
],
),
),
const SizedBox(width: 16),
Expanded(
child: Column(
children: [
const Text('Standard Text (Full rebuild)',
style:
TextStyle(fontWeight: FontWeight.bold)),
const SizedBox(height: 8),
Consumer(
builder: (context, ref, _) {
return Text(
'Count: ${ref.watch(counter)}',
style: TextStyle(
fontSize: 18,
color: ref.watch(themeColor),
fontWeight: FontWeight.w600,
),
);
},
),
const Text(
'🔴 Widget tree rebuild',
style:
TextStyle(fontSize: 12, color: Colors.red),
),
],
),
),
],
),
],
),
),
),
const SizedBox(height: 24),
// SugarContainer Demo
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SugarText(
'📦 SugarContainer - Dynamic Styling',
style:
TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
Consumer(
builder: (context, ref, _) {
return SugarContainer(
padding: const EdgeInsets.all(20),
margin: const EdgeInsets.symmetric(vertical: 8),
decoration: BoxDecoration(
color: ref.watch(themeColor).withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: ref.watch(themeColor),
width: 2,
),
boxShadow: [
BoxShadow(
color: ref
.watch(themeColor)
.withValues(alpha: 0.3),
blurRadius: 8,
offset: const Offset(0, 4),
),
],
),
child: Row(
children: [
Consumer(
builder: (context, ref, _) {
return SugarIcon(
ref.watch(selectedIcon),
size: 32,
color: ref.watch(themeColor),
);
},
),
const SizedBox(width: 16),
const Expanded(
child: SugarText(
'Container updates only decoration/color\nwithout rebuilding child widgets!',
style: TextStyle(fontSize: 14),
),
),
],
),
);
},
),
],
),
),
),
const SizedBox(height: 24),
// SugarButton Demo
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SugarText(
'🔘 SugarButton - Interactive Performance',
style:
TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
Wrap(
spacing: 12,
runSpacing: 12,
children: [
SugarButton(
onPressed: () {
ref.read(counter.notifier).state = 0;
ref.read(message.notifier).state = 'Counter reset!';
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.blue,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: const SugarText('Reset Counter'),
),
SugarButton(
onPressed: () {
SugarDebug.showSugarWidgetBounds =
!SugarDebug.showSugarWidgetBounds;
ref.read(message.notifier).state =
'Debug bounds ${SugarDebug.showSugarWidgetBounds ? 'enabled' : 'disabled'}';
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.orange,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: const SugarText('Toggle Debug'),
),
Consumer(
builder: (context, ref, _) {
return SugarButton(
onPressed: ref.watch(isEnabled)
? () {
ref.read(isEnabled.notifier).state =
false;
ref.read(message.notifier).state =
'Button disabled';
Future.delayed(const Duration(seconds: 2),
() {
ref.read(isEnabled.notifier).state =
true;
ref.read(message.notifier).state =
'Button re-enabled';
});
}
: null,
style: ElevatedButton.styleFrom(
backgroundColor: ref.watch(isEnabled)
? ref.watch(themeColor)
: Colors.grey,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
),
child: SugarText(ref.watch(isEnabled)
? 'Dynamic Button'
: 'Disabled'),
);
},
),
],
),
],
),
),
),
const SizedBox(height: 24),
// Status Message
Consumer(
builder: (context, ref, _) {
return SugarContainer(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Colors.grey[100],
borderRadius: BorderRadius.circular(8),
border: Border.all(color: Colors.grey[300]!),
),
child: Row(
children: [
const SugarIcon(
Icons.info_outline,
size: 20,
color: Colors.blue,
),
const SizedBox(width: 8),
Expanded(
child: SugarText(
ref.watch(message),
style: const TextStyle(fontSize: 14),
),
),
],
),
);
},
),
const SizedBox(height: 24),
// Architecture Info
const Card(
elevation: 4,
child: Padding(
padding: EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SugarText(
'🏗️ Modular Architecture Benefits',
style:
TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
),
SizedBox(height: 16),
SugarListItem(
leading:
SugarIcon(Icons.folder_outlined, color: Colors.blue),
title: SugarText('Modular Structure',
style: TextStyle(fontWeight: FontWeight.w600)),
subtitle: SugarText(
'Each widget in its own folder for easy maintenance'),
),
SugarListItem(
leading: SugarIcon(Icons.speed, color: Colors.green),
title: SugarText('Paint-only Updates',
style: TextStyle(fontWeight: FontWeight.w600)),
subtitle: SugarText(
'300-2000% performance improvement over standard widgets'),
),
SugarListItem(
leading: SugarIcon(Icons.integration_instructions,
color: Colors.orange),
title: SugarText('Riverpod Sugar Integration',
style: TextStyle(fontWeight: FontWeight.w600)),
subtitle: SugarText(
'Seamless reactive state management with .state extensions'),
),
SugarListItem(
leading: SugarIcon(Icons.api, color: Colors.purple),
title: SugarText('Complete API Parity',
style: TextStyle(fontWeight: FontWeight.w600)),
subtitle: SugarText(
'Drop-in replacements for all standard Flutter widgets'),
),
],
),
),
),
const SizedBox(height: 32),
// Footer
Center(
child: Column(
children: [
const SugarText(
'Made with Sugar Fast 🚀',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.grey,
),
),
const SizedBox(height: 8),
Consumer(
builder: (context, ref, _) {
return SugarText(
'Updates: ${ref.watch(counter)} times per second',
style: TextStyle(
fontSize: 12,
color: ref.watch(themeColor),
),
);
},
),
],
),
),
],
),
),
);
}
}