smart_utils_plus 1.2.1 
smart_utils_plus: ^1.2.1 copied to clipboard
A comprehensive Flutter utility package providing essential helper classes for date/time manipulation, string operations, device information, logging, widget utilities, number formatting, and responsi [...]
import 'package:flutter/material.dart';
import 'package:smart_utils_plus/smart_utils_plus.dart';
void main() {
// Configure logger
LoggerPlus.minLevel = LogLevel.debug;
LoggerPlus.info('Smart Utils Plus Example App Started');
runApp(const SmartUtilsExample());
}
class SmartUtilsExample extends StatelessWidget {
const SmartUtilsExample({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Smart Utils Example',
theme: ThemeData(
primarySwatch: Colors.blue,
useMaterial3: true,
),
home: const HomePage(),
);
}
}
class HomePage extends StatefulWidget {
const HomePage({super.key});
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
String? deviceInfo;
bool isLoading = false;
@override
void initState() {
super.initState();
_loadDeviceInfo();
}
Future<void> _loadDeviceInfo() async {
setState(() => isLoading = true);
try {
final info = await DeviceUtilsPlus.getDeviceInfo();
setState(() {
deviceInfo = 'Platform: ${info['platform']}\n'
'${info.entries.where((e) => e.key != 'platform').map((e) => '${e.key}: ${e.value}').join('\n')}';
});
LoggerPlus.success('Device info loaded successfully');
} catch (e) {
LoggerPlus.error('Failed to load device info: $e');
} finally {
setState(() => isLoading = false);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Smart Utils Plus Example'),
elevation: 2,
),
body: SingleChildScrollView(
padding: context.responsivePadding(mobile: 16.0, tablet: 24.0, desktop: 32.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
// Widget Utils Section
_buildSection(
context: context,
title: 'Widget Utils',
children: [
_buildButton(
'Success Snackbar',
() => WidgetUtilsPlus.showSuccessSnackbar(
context,
'Operation successful!',
),
),
_buildButton(
'Error Snackbar',
() => WidgetUtilsPlus.showErrorSnackbar(
context,
'Something went wrong!',
),
),
_buildButton(
'Info Snackbar',
() => WidgetUtilsPlus.showInfoSnackbar(
context,
'Here is some information',
),
),
_buildButton(
'Show Toast',
() => WidgetUtilsPlus.showToast(
context,
message: 'This is a toast message!',
),
),
_buildButton(
'Show Loader',
() {
final ctx = context;
WidgetUtilsPlus.showLoader(ctx, message: 'Loading...');
Future.delayed(const Duration(seconds: 2), () {
if (mounted) {
WidgetUtilsPlus.hideLoader(ctx);
}
});
},
),
_buildButton(
'Confirm Dialog',
() async {
final ctx = context;
final confirmed = await WidgetUtilsPlus.showConfirmDialog(
ctx,
title: 'Confirm Action',
message: 'Are you sure you want to proceed?',
);
if (confirmed == true && mounted) {
WidgetUtilsPlus.showSuccessSnackbar(
ctx,
'You confirmed!',
);
}
},
),
_buildButton(
'Bottom Sheet',
() => WidgetUtilsPlus.showBottomSheetPlus(
context,
child: Padding(
padding: const EdgeInsets.all(20),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Text(
'Bottom Sheet',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 16),
const Text('This is a customizable bottom sheet.'),
const SizedBox(height: 20),
ElevatedButton(
onPressed: () => Navigator.of(context).pop(),
child: const Text('Close'),
),
],
),
),
),
),
],
),
SizedBox(height: context.responsiveSpacing(mobile: 24.0, tablet: 28.0, desktop: 32.0)),
// String Utils Section
_buildSection(
context: context,
title: 'String Utils',
children: [
_buildDemoCard(
'Capitalize',
StringUtilsPlus.capitalize('hello world'),
),
_buildDemoCard(
'Slugify',
StringUtilsPlus.slugify('Hello World! This is a test.'),
),
_buildDemoCard(
'Truncate',
StringUtilsPlus.truncate('This is a very long string', 15),
),
_buildDemoCard(
'Email Validation',
StringUtilsPlus.isEmail('test@example.com').toString(),
),
_buildDemoCard(
'URL Validation',
StringUtilsPlus.isUrl('https://flutter.dev').toString(),
),
_buildButton(
'Test Null Safety',
() {
// Test null safety improvements
final result1 = StringUtilsPlus.capitalize(null);
final result2 = StringUtilsPlus.slugify(null);
final result3 = StringUtilsPlus.isEmail(null);
WidgetUtilsPlus.showInfoSnackbar(
context,
'Null safety works! Results: "$result1", "$result2", $result3',
);
},
),
],
),
SizedBox(height: context.responsiveSpacing(mobile: 24.0, tablet: 28.0, desktop: 32.0)),
// Date Utils Section
_buildSection(
context: context,
title: 'Date Utils',
children: [
_buildDemoCard(
'Time Ago',
DateUtilsPlus.timeAgo(
DateTime.now().subtract(const Duration(hours: 3)),
),
),
_buildDemoCard(
'Smart DateTime',
DateUtilsPlus.smartDateTime(DateTime.now()),
),
_buildDemoCard(
'Format',
DateUtilsPlus.format(
DateTime.now(),
pattern: 'yyyy-MM-dd HH:mm:ss',
),
),
_buildDemoCard(
'Is Today',
DateUtilsPlus.isToday(DateTime.now()).toString(),
),
_buildDemoCard(
'Diff Summary',
DateUtilsPlus.diffSummary(
DateTime.now().subtract(const Duration(days: 2, hours: 5, minutes: 10)),
DateTime.now(),
),
),
],
),
SizedBox(height: context.responsiveSpacing(mobile: 24.0, tablet: 28.0, desktop: 32.0)),
// Device Utils Section
_buildSection(
context: context,
title: 'Device Utils',
children: [
if (isLoading)
const Center(child: CircularProgressIndicator())
else if (deviceInfo != null)
_buildInfoCard(deviceInfo!),
_buildButton(
'Check Connectivity',
() async {
final ctx = context;
final hasConnection = await DeviceUtilsPlus.hasInternetConnection();
if (mounted) {
WidgetUtilsPlus.showInfoSnackbar(
ctx,
hasConnection ? 'Internet connection available' : 'No internet connection',
);
}
},
),
_buildDemoCard(
'Screen Width',
'${DeviceUtilsPlus.screenWidth(context).toStringAsFixed(0)}px',
),
_buildDemoCard(
'Screen Height',
'${DeviceUtilsPlus.screenHeight(context).toStringAsFixed(0)}px',
),
_buildDemoCard(
'Is Mobile',
DeviceUtilsPlus.isMobile.toString(),
),
_buildDemoCard(
'Is Web',
DeviceUtilsPlus.isWeb.toString(),
),
],
),
SizedBox(height: context.responsiveSpacing(mobile: 24.0, tablet: 28.0, desktop: 32.0)),
// Logger Section
_buildSection(
context: context,
title: 'Logger Plus',
children: [
_buildButton(
'Log Info',
() {
LoggerPlus.info('This is an info message');
WidgetUtilsPlus.showInfoSnackbar(
context,
'Check console for log output',
);
},
),
_buildButton(
'Log Success',
() {
LoggerPlus.success('Operation completed successfully!');
WidgetUtilsPlus.showSuccessSnackbar(
context,
'Check console for log output',
);
},
),
_buildButton(
'Log Warning',
() {
LoggerPlus.warning('This is a warning message');
WidgetUtilsPlus.showInfoSnackbar(
context,
'Check console for log output',
);
},
),
_buildButton(
'Log Error',
() {
LoggerPlus.error('An error occurred');
WidgetUtilsPlus.showErrorSnackbar(
context,
'Check console for log output',
);
},
),
_buildButton(
'Log Debug',
() {
LoggerPlus.debug('Debug information');
WidgetUtilsPlus.showInfoSnackbar(
context,
'Check console for log output',
);
},
),
],
),
SizedBox(height: context.responsiveSpacing(mobile: 24.0, tablet: 28.0, desktop: 32.0)),
// Context Size Helper Section
_buildSection(
context: context,
title: 'Context Size Helper',
children: [
_buildDemoCard(
'50% Parent Width',
'${context.parentWidth(0.5).toStringAsFixed(0)}px',
),
_buildDemoCard(
'30% Parent Height',
'${context.parentHeight(0.3).toStringAsFixed(0)}px',
),
_buildDemoCard(
'Remaining Width (after 100px)',
'${context.remainingParentWidth(usedWidth: 100).toStringAsFixed(0)}px',
),
_buildDemoCard(
'Aspect Ratio',
context.parentAspectRatio()?.toStringAsFixed(2) ?? 'N/A',
),
],
),
SizedBox(height: context.responsiveSpacing(mobile: 24.0, tablet: 28.0, desktop: 32.0)),
// Number Utils Section
_buildSection(
context: context,
title: 'Number Utils',
children: [
_buildDemoCard(
'Format Currency',
NumberUtilsPlus.formatCurrency(1234.56),
),
_buildDemoCard(
'Format Compact',
NumberUtilsPlus.formatCompact(1500000),
),
_buildDemoCard(
'Format Percentage',
NumberUtilsPlus.formatPercentage(0.1234),
),
_buildDemoCard(
'Round To',
NumberUtilsPlus.roundTo(3.14159, 2).toString(),
),
],
),
SizedBox(height: context.responsiveSpacing(mobile: 24.0, tablet: 28.0, desktop: 32.0)),
// Responsive Utils Section
_buildSection(
context: context,
title: 'Responsive Utils',
children: [
_buildDemoCard(
'Is Mobile',
ResponsiveUtilsPlus.isMobile(context).toString(),
),
_buildDemoCard(
'Is Tablet',
ResponsiveUtilsPlus.isTablet(context).toString(),
),
_buildDemoCard(
'Is Desktop',
ResponsiveUtilsPlus.isDesktop(context).toString(),
),
_buildDemoCard(
'Screen Width',
'${MediaQuery.of(context).size.width.toStringAsFixed(0)}px',
),
_buildDemoCard(
'Responsive Padding',
'${context.responsivePadding(mobile: 16.0).top.toStringAsFixed(0)}px',
),
_buildDemoCard(
'Responsive Font Size',
'${context.responsiveFontSize(mobile: 14.0, tablet: 18.0, desktop: 24.0).toStringAsFixed(0)}px',
),
_buildDemoCard(
'Responsive Columns',
context.responsiveColumns(mobile: 1, tablet: 2, desktop: 3).toString(),
),
_buildDemoCard(
'Responsive Spacing',
'${context.responsiveSpacing(mobile: 8.0, tablet: 12.0, desktop: 16.0).toStringAsFixed(0)}px',
),
_buildButton(
'Show Responsive Layout',
() {
WidgetUtilsPlus.showBottomSheetPlus(
context,
child: _buildResponsiveDemo(context),
);
},
),
],
),
],
),
),
);
}
Widget _buildResponsiveDemo(BuildContext context) {
return Padding(
padding: context.responsivePadding(mobile: 16.0, tablet: 24.0, desktop: 32.0),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Responsive Demo',
style: TextStyle(
fontSize: context.responsiveFontSize(mobile: 20.0, tablet: 24.0, desktop: 28.0),
fontWeight: FontWeight.bold,
),
),
SizedBox(height: context.responsiveSpacing(mobile: 16.0, tablet: 20.0, desktop: 24.0)),
Text(
'Current Breakpoint:',
style: TextStyle(
fontSize: context.responsiveFontSize(mobile: 14.0, tablet: 16.0, desktop: 18.0),
),
),
const SizedBox(height: 8),
Container(
padding: context.responsivePadding(mobile: 12.0, tablet: 16.0, desktop: 20.0),
decoration: BoxDecoration(
color: ResponsiveUtilsPlus.isMobile(context)
? Colors.blue[100]
: ResponsiveUtilsPlus.isTablet(context)
? Colors.green[100]
: Colors.purple[100],
borderRadius: BorderRadius.circular(8),
),
child: Text(
ResponsiveUtilsPlus.isMobile(context)
? '📱 Mobile Layout'
: ResponsiveUtilsPlus.isTablet(context)
? '📱 Tablet Layout'
: '🖥️ Desktop Layout',
style: TextStyle(
fontSize: context.responsiveFontSize(mobile: 16.0, tablet: 18.0, desktop: 20.0),
fontWeight: FontWeight.bold,
),
),
),
SizedBox(height: context.responsiveSpacing(mobile: 16.0, tablet: 20.0, desktop: 24.0)),
Text(
'Grid Columns: ${context.responsiveColumns(mobile: 1, tablet: 2, desktop: 3)}',
style: TextStyle(
fontSize: context.responsiveFontSize(mobile: 14.0, tablet: 16.0, desktop: 18.0),
),
),
SizedBox(height: context.responsiveSpacing(mobile: 8.0, tablet: 12.0, desktop: 16.0)),
Text(
'Padding: ${context.responsivePadding(mobile: 16.0).top.toStringAsFixed(0)}px',
style: TextStyle(
fontSize: context.responsiveFontSize(mobile: 14.0, tablet: 16.0, desktop: 18.0),
),
),
SizedBox(height: context.responsiveSpacing(mobile: 8.0, tablet: 12.0, desktop: 16.0)),
Text(
'Font Size: ${context.responsiveFontSize(mobile: 14.0, tablet: 18.0, desktop: 24.0).toStringAsFixed(0)}px',
style: TextStyle(
fontSize: context.responsiveFontSize(mobile: 14.0, tablet: 16.0, desktop: 18.0),
),
),
SizedBox(height: context.responsiveSpacing(mobile: 16.0, tablet: 20.0, desktop: 24.0)),
SizedBox(
width: double.infinity,
child: ElevatedButton(
onPressed: () => Navigator.of(context).pop(),
child: const Text('Close'),
),
),
],
),
);
}
Widget _buildSection({
required String title,
required List<Widget> children,
required BuildContext context,
}) {
return Card(
elevation: 2,
child: Padding(
padding: context.responsivePadding(mobile: 16.0, tablet: 20.0, desktop: 24.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: TextStyle(
fontSize: context.responsiveFontSize(mobile: 20.0, tablet: 22.0, desktop: 24.0),
fontWeight: FontWeight.bold,
),
),
SizedBox(height: context.responsiveSpacing(mobile: 12.0, tablet: 16.0, desktop: 20.0)),
...children,
],
),
),
);
}
Widget _buildButton(String label, VoidCallback onPressed) {
return Padding(
padding: const EdgeInsets.only(bottom: 8),
child: ElevatedButton(
onPressed: onPressed,
child: Text(label),
),
);
}
Widget _buildDemoCard(String label, String value) {
return Card(
color: Colors.grey[100],
child: Padding(
padding: const EdgeInsets.all(12),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
label,
style: const TextStyle(fontWeight: FontWeight.w500),
),
Text(
value,
style: TextStyle(
color: Colors.blue[700],
fontWeight: FontWeight.bold,
),
),
],
),
),
);
}
Widget _buildInfoCard(String info) {
return Card(
color: Colors.blue[50],
child: Padding(
padding: const EdgeInsets.all(12),
child: Text(
info,
style: const TextStyle(fontSize: 12, fontFamily: 'monospace'),
),
),
);
}
}Metadata
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likes
140
points
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downloads
Documentation
Publisher
unverified uploader
Weekly Downloads
Metadata
A comprehensive Flutter utility package providing essential helper classes for date/time manipulation, string operations, device information, logging, widget utilities, number formatting, and responsive design.
Repository (GitHub)
View/report issues
License
MIT (license)
Dependencies
connectivity_plus, device_info_plus, flutter, intl
