scannerpro 3.0.0 
scannerpro: ^3.0.0 copied to clipboard
Universal Flutter scanning SDK with 18 Vision AI modes, offline OCR, MICR/MRZ/VIN parsers, image compression, encrypted storage, cloud sync, and PDF export.
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:scannerpro/scannerpro.dart';
void main() {
WidgetsFlutterBinding.ensureInitialized();
SystemChrome.setSystemUIOverlayStyle(
const SystemUiOverlayStyle(
statusBarColor: Colors.transparent,
statusBarIconBrightness: Brightness.light,
),
);
runApp(const ScannerExampleApp());
}
/// Universal Scanner Pro Feature Showcase Application.
class ScannerExampleApp extends StatelessWidget {
const ScannerExampleApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'ScannerPro Showcase Studio',
debugShowCheckedModeBanner: false,
theme: ThemeData.dark().copyWith(
scaffoldBackgroundColor: const Color(0xFF090D12),
primaryColor: const Color(0xFF00E5FF),
colorScheme: const ColorScheme.dark(
primary: Color(0xFF00E5FF),
secondary: Color(0xFFFFD600),
surface: Color(0xFF161B22),
),
),
home: const MainShowcaseDashboard(),
);
}
}
class MainShowcaseDashboard extends StatefulWidget {
const MainShowcaseDashboard({super.key});
@override
State<MainShowcaseDashboard> createState() => _MainShowcaseDashboardState();
}
class _MainShowcaseDashboardState extends State<MainShowcaseDashboard> {
int _currentTabIndex = 0;
late ScannerController _controller;
ScanResult? _latestResult;
final List<ScanResult> _sessionHistory = [];
@override
void initState() {
super.initState();
_controller = ScannerController(
initialMode: ScanMode.qr,
options: const ScannerOptions(
scanStrategy: ScanStrategy.continuous,
enableAdaptiveFps: true,
enableIsolateProcessing: true,
duplicateTimeout: Duration(milliseconds: 2000),
),
onResultDetected: (result) {
setState(() {
_latestResult = result;
_sessionHistory.insert(0, result);
if (_sessionHistory.length > 100) {
_sessionHistory.removeLast();
}
});
},
);
_controller.initialize();
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final tabs = [
_buildLiveScannerTab(),
_buildDocumentStudioTab(),
_buildIdParsersTab(),
_buildBatchWarehouseTab(),
_buildBenchmarkTelemetryTab(),
];
return Scaffold(
appBar: AppBar(
backgroundColor: const Color(0xFF161B22),
elevation: 0,
title: Row(
children: [
Container(
padding: const EdgeInsets.all(6),
decoration: BoxDecoration(
color: const Color(0xFF00E5FF).withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(8),
),
child: const Icon(Icons.qr_code_scanner_rounded, color: Color(0xFF00E5FF)),
),
const SizedBox(width: 10),
Text(
'ScannerPro v$scannerProVersion',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 18,
letterSpacing: 0.5,
),
),
],
),
actions: [
IconButton(
tooltip: 'Toggle Flashlight',
icon: Icon(
_controller.isFlashOn ? Icons.flash_on_rounded : Icons.flash_off_rounded,
color: _controller.isFlashOn ? const Color(0xFFFFD600) : Colors.white70,
),
onPressed: () => _controller.toggleFlash(),
),
IconButton(
tooltip: 'Switch Camera',
icon: const Icon(Icons.flip_camera_ios_rounded),
onPressed: () => _controller.switchCamera(),
),
IconButton(
tooltip: 'Gallery Image Scan',
icon: const Icon(Icons.photo_library_rounded),
onPressed: () => _controller.pickAndScanImage(),
),
],
),
body: tabs[_currentTabIndex],
bottomNavigationBar: BottomNavigationBar(
currentIndex: _currentTabIndex,
onTap: (index) => setState(() => _currentTabIndex = index),
backgroundColor: const Color(0xFF161B22),
selectedItemColor: const Color(0xFF00E5FF),
unselectedItemColor: Colors.white54,
type: BottomNavigationBarType.fixed,
items: const [
BottomNavigationBarItem(
icon: Icon(Icons.camera_alt_rounded),
label: 'Scanner',
),
BottomNavigationBarItem(
icon: Icon(Icons.description_rounded),
label: 'Document',
),
BottomNavigationBarItem(
icon: Icon(Icons.badge_rounded),
label: 'ID Cards',
),
BottomNavigationBarItem(
icon: Icon(Icons.inventory_2_rounded),
label: 'Batch',
),
BottomNavigationBarItem(
icon: Icon(Icons.speed_rounded),
label: 'Telemetry',
),
],
),
);
}
// --- TAB 1: Live Scanner & Reticle ---
Widget _buildLiveScannerTab() {
return ListenableBuilder(
listenable: _controller,
builder: (context, _) {
return Stack(
fit: StackFit.expand,
children: [
// Camera Preview
ScannerCameraPreview(controller: _controller),
// Mode Selector Bar (Top)
Positioned(
top: 12,
left: 12,
right: 12,
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: ScanMode.values.map((mode) {
final isSelected = _controller.selectedMode == mode;
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 4),
child: ChoiceChip(
selected: isSelected,
label: Row(
children: [
Icon(
mode.icon,
size: 16,
color: isSelected ? Colors.black : Colors.white,
),
const SizedBox(width: 6),
Text(mode.title),
],
),
selectedColor: const Color(0xFF00E5FF),
backgroundColor: const Color(0xFF161B22).withValues(alpha: 0.85),
labelStyle: TextStyle(
color: isSelected ? Colors.black : Colors.white,
fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
fontSize: 12,
),
onSelected: (_) => _controller.setMode(mode),
),
);
}).toList(),
),
),
),
// Target Overlay Painter
CustomPaint(
painter: ScannerOverlayPainter(
scanMode: _controller.selectedMode,
animationValue: 0.5,
accentColor: const Color(0xFF00E5FF),
),
),
// Bottom Floating Controls & Result Card
Positioned(
bottom: 16,
left: 16,
right: 16,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
if (_latestResult != null) _buildResultCard(_latestResult!),
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
decoration: BoxDecoration(
color: const Color(0xFF161B22).withValues(alpha: 0.9),
borderRadius: BorderRadius.circular(16),
border: Border.all(color: Colors.white12),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
children: [
const Icon(Icons.zoom_in_rounded, size: 20, color: Color(0xFF00E5FF)),
const SizedBox(width: 8),
Text(
'Zoom: ${_controller.currentZoomLevel.toStringAsFixed(1)}x',
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 13),
),
],
),
Expanded(
child: Slider(
value: _controller.currentZoomLevel,
min: _controller.minZoomLevel,
max: _controller.maxZoomLevel,
activeColor: const Color(0xFF00E5FF),
onChanged: (val) => _controller.setZoomLevel(val),
),
),
IconButton(
icon: Icon(
_controller.isPaused ? Icons.play_arrow_rounded : Icons.pause_rounded,
color: const Color(0xFFFFD600),
),
onPressed: () {
if (_controller.isPaused) {
_controller.resumeScanning();
} else {
_controller.pauseScanning();
}
},
),
],
),
),
],
),
),
],
);
},
);
}
Widget _buildResultCard(ScanResult result) {
final validation = ScannerPro.validateResult(result);
return Card(
color: const Color(0xFF161B22),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
side: BorderSide(
color: validation.isValid ? Colors.greenAccent : Colors.redAccent,
width: 1.5,
),
),
child: ListTile(
leading: Icon(
validation.isValid ? Icons.check_circle_rounded : Icons.error_rounded,
color: validation.isValid ? Colors.greenAccent : Colors.redAccent,
size: 32,
),
title: Text(
result.mode.title,
style: const TextStyle(fontWeight: FontWeight.bold, color: Colors.white),
),
subtitle: Text(
result.rawValue,
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: const TextStyle(color: Colors.white70, fontSize: 12),
),
trailing: Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: validation.isValid
? Colors.greenAccent.withValues(alpha: 0.15)
: Colors.redAccent.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(8),
),
child: Text(
validation.isValid ? 'VALID ✓' : 'INVALID ✗',
style: TextStyle(
color: validation.isValid ? Colors.greenAccent : Colors.redAccent,
fontSize: 11,
fontWeight: FontWeight.bold,
),
),
),
),
);
}
// --- TAB 2: Document Studio & PDF Export ---
Widget _buildDocumentStudioTab() {
return Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Document Scanner Studio',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: Colors.white),
),
const SizedBox(height: 6),
const Text(
'Auto edge detection, quad perspective crop, blur score analysis, and multi-page PDF export.',
style: TextStyle(color: Colors.white60, fontSize: 13),
),
const SizedBox(height: 16),
Expanded(
child: Container(
width: double.infinity,
decoration: BoxDecoration(
color: const Color(0xFF161B22),
borderRadius: BorderRadius.circular(16),
border: Border.all(color: Colors.white12),
),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.document_scanner_rounded, size: 64, color: Color(0xFF00E5FF)),
const SizedBox(height: 16),
const Text(
'Ready for Page Capture',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
Text(
'Captured Pages: ${_sessionHistory.where((r) => r.mode == ScanMode.document).length}',
style: const TextStyle(color: Colors.white60),
),
const SizedBox(height: 24),
ElevatedButton.icon(
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF00E5FF),
foregroundColor: Colors.black,
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
),
icon: const Icon(Icons.picture_as_pdf_rounded),
label: const Text('Export Document Session to PDF', style: TextStyle(fontWeight: FontWeight.bold)),
onPressed: () {
final docs = _sessionHistory.where((r) => r.mode == ScanMode.document).toList();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
docs.isNotEmpty
? 'PDF generated with ${docs.length} scanned pages ✓'
: 'Scan document pages first in camera tab!',
),
),
);
},
),
],
),
),
),
),
],
),
);
}
// --- TAB 3: ID Parsers Demo ---
Widget _buildIdParsersTab() {
return ListView(
padding: const EdgeInsets.all(16),
children: [
const Text(
'Identity Document Parsers',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: Colors.white),
),
const SizedBox(height: 4),
const Text(
'Instant rule-based parsing with Verhoeff & checksum validation.',
style: TextStyle(color: Colors.white60, fontSize: 13),
),
const SizedBox(height: 16),
_buildParserCard(
title: 'Indian Aadhaar Card (UIDAI)',
icon: Icons.credit_card_rounded,
samplePayload: '2345 6789 0124 DOB: 15/08/1990 Male Pincode: 560001',
onTest: () {
final res = ScannerPro.scanAadhaar('2345 6789 0124 DOB: 15/08/1990 Male');
_showParserDialog('Aadhaar Result', res);
},
),
_buildParserCard(
title: 'Income Tax PAN Card',
icon: Icons.subtitles_rounded,
samplePayload: 'ABCPE1234F Name: JOHN DOE DOB: 01/01/1985',
onTest: () {
final res = ScannerPro.scanPanCard('ABCPE1234F Name: JOHN DOE DOB: 01/01/1985');
_showParserDialog('PAN Card Result', res);
},
),
_buildParserCard(
title: 'ICAO Passport (MRZ)',
icon: Icons.badge_rounded,
samplePayload: 'P<INDXAVIER<<FRANCIS<<<<<<<<<<<<<<<<<<<<<<\nZ1234567<8IND9008151M3001017<<<<<<<<<<<<<<04',
onTest: () {
final res = ScannerPro.scanPassport('P<INDXAVIER<<FRANCIS<<<<<<<<<<<<<<<<<<<<<<\nZ1234567<8IND9008151M3001017<<<<<<<<<<<<<<04');
_showParserDialog('Passport Result', res);
},
),
_buildParserCard(
title: 'ISO 3779 VIN Number',
icon: Icons.minor_crash_rounded,
samplePayload: '1HGCR2F83HA000000',
onTest: () {
final res = ScannerPro.scanVin('1HGCR2F83HA000000');
_showParserDialog('VIN Result', res);
},
),
_buildParserCard(
title: 'Business Card Contact',
icon: Icons.contact_page_rounded,
samplePayload: 'Francis Xavier\nCEO\nTech Corp\nEmail: info@tech.com\nPhone: +1234567890',
onTest: () {
final res = ScannerPro.scanBusinessCard('Francis Xavier\nCEO\nTech Corp\nEmail: info@tech.com\nPhone: +1234567890');
_showParserDialog('Business Card Result', res);
},
),
],
);
}
Widget _buildParserCard({
required String title,
required IconData icon,
required String samplePayload,
required VoidCallback onTest,
}) {
return Card(
color: const Color(0xFF161B22),
margin: const EdgeInsets.only(bottom: 12),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
child: ListTile(
leading: Icon(icon, color: const Color(0xFF00E5FF)),
title: Text(title, style: const TextStyle(fontWeight: FontWeight.bold)),
subtitle: Text(samplePayload, maxLines: 1, overflow: TextOverflow.ellipsis, style: const TextStyle(color: Colors.white54, fontSize: 11)),
trailing: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF00E5FF).withValues(alpha: 0.2),
foregroundColor: const Color(0xFF00E5FF),
),
onPressed: onTest,
child: const Text('Test Parser'),
),
),
);
}
void _showParserDialog(String title, ScanResult result) {
final validation = ScannerPro.validateResult(result);
showDialog(
context: context,
builder: (ctx) => AlertDialog(
backgroundColor: const Color(0xFF161B22),
title: Text(title, style: const TextStyle(color: Colors.white)),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Validation: ${validation.reason}', style: TextStyle(color: validation.isValid ? Colors.greenAccent : Colors.redAccent, fontWeight: FontWeight.bold)),
const SizedBox(height: 12),
...result.fields.entries.map((e) => Padding(
padding: const EdgeInsets.symmetric(vertical: 2),
child: Text('${e.key}: ${e.value}', style: const TextStyle(fontSize: 12, color: Colors.white70)),
)),
],
),
actions: [
TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Close')),
],
),
);
}
// --- TAB 4: Batch Warehouse ---
Widget _buildBatchWarehouseTab() {
return Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Batch Inventory Scanner', style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: Colors.white)),
Text('High-speed continuous scan with deduplication', style: TextStyle(color: Colors.white60, fontSize: 12)),
],
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: const Color(0xFFFFD600).withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(12),
),
child: Text('Count: ${_sessionHistory.length}', style: const TextStyle(color: Color(0xFFFFD600), fontWeight: FontWeight.bold)),
),
],
),
const SizedBox(height: 16),
Expanded(
child: _sessionHistory.isEmpty
? const Center(child: Text('No items scanned in current session', style: TextStyle(color: Colors.white38)))
: ListView.builder(
itemCount: _sessionHistory.length,
itemBuilder: (ctx, idx) {
final item = _sessionHistory[idx];
return ListTile(
leading: const Icon(Icons.qr_code_2_rounded, color: Color(0xFF00E5FF)),
title: Text(item.rawValue, style: const TextStyle(fontSize: 13, fontWeight: FontWeight.bold)),
subtitle: Text('${item.mode.title} • ${item.timestamp.toIso8601String().substring(11, 19)}', style: const TextStyle(fontSize: 11, color: Colors.white54)),
);
},
),
),
],
),
);
}
// --- TAB 5: Benchmark & Telemetry ---
Widget _buildBenchmarkTelemetryTab() {
final telemetry = ScannerBenchmark.runLiveDiagnostic();
return ListView(
padding: const EdgeInsets.all(16),
children: [
const Text('Performance Telemetry', style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: Colors.white)),
const SizedBox(height: 4),
const Text('Real-time frame processing stats & hardware benchmarks.', style: TextStyle(color: Colors.white60, fontSize: 13)),
const SizedBox(height: 16),
Row(
children: [
_buildStatCard('Live FPS', '${_controller.fpsState.targetFps} FPS', Icons.speed_rounded, Colors.greenAccent),
const SizedBox(width: 12),
_buildStatCard('Latency', '${telemetry['Average Latency µs']} µs', Icons.timer_rounded, const Color(0xFF00E5FF)),
],
),
const SizedBox(height: 12),
Row(
children: [
_buildStatCard('Memory', telemetry['Memory Footprint'], Icons.memory_rounded, const Color(0xFFFFD600)),
const SizedBox(width: 12),
_buildStatCard('CPU Load', telemetry['Estimated CPU Usage'], Icons.developer_board_rounded, Colors.purpleAccent),
],
),
const SizedBox(height: 24),
const Text('Device Benchmark Standards', style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: Colors.white)),
const SizedBox(height: 8),
Container(
decoration: BoxDecoration(
color: const Color(0xFF161B22),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.white12),
),
child: DataTable(
columns: const [
DataColumn(label: Text('Device', style: TextStyle(fontWeight: FontWeight.bold))),
DataColumn(label: Text('FPS', style: TextStyle(fontWeight: FontWeight.bold))),
DataColumn(label: Text('Memory', style: TextStyle(fontWeight: FontWeight.bold))),
DataColumn(label: Text('CPU', style: TextStyle(fontWeight: FontWeight.bold))),
],
rows: ScannerBenchmark.getSampleDeviceMetrics()
.map((m) => DataRow(cells: [
DataCell(Text(m['Device'] ?? '')),
DataCell(Text('${m['FPS']}')),
DataCell(Text('${m['Memory MB']} MB')),
DataCell(Text('${m['CPU %']}%')),
]))
.toList(),
),
),
],
);
}
Widget _buildStatCard(String label, String value, IconData icon, Color color) {
return Expanded(
child: Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: const Color(0xFF161B22),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: color.withValues(alpha: 0.3)),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Icon(icon, color: color, size: 24),
const SizedBox(height: 8),
Text(value, style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: color)),
Text(label, style: const TextStyle(fontSize: 11, color: Colors.white54)),
],
),
),
);
}
}Metadata
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likes
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points
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downloads
Documentation
Publisher
unverified uploader
Weekly Downloads
Metadata
Universal Flutter scanning SDK with 18 Vision AI modes, offline OCR, MICR/MRZ/VIN parsers, image compression, encrypted storage, cloud sync, and PDF export.
Repository (GitHub)
View/report issues
License
MIT (license)
Dependencies
camera, flutter, google_mlkit_barcode_scanning, google_mlkit_face_detection, google_mlkit_text_recognition, image_picker, intl