swip 1.0.0+2 
swip: ^1.0.0+2 copied to clipboard
synheart.aiSynheart Wellness Impact Protocol - Flutter SDK
example/lib/main.dart
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:swip/swip.dart';
import 'screens/diagnostics_screen.dart';
import 'storage/database.dart';
import 'storage/storage_service.dart';
void main() {
runApp(const SWIPExampleApp());
}
class SWIPExampleApp extends StatelessWidget {
const SWIPExampleApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'SWIP Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
useMaterial3: true,
),
home: const SWIPExampleHomePage(),
);
}
}
class SWIPExampleHomePage extends StatefulWidget {
const SWIPExampleHomePage({super.key});
@override
State<SWIPExampleHomePage> createState() => _SWIPExampleHomePageState();
}
class _SWIPExampleHomePageState extends State<SWIPExampleHomePage> {
late final SwipSdkManager _swipManager;
final StorageService _storage = StorageService();
final String _userId = 'example_user';
bool _isInitialized = false;
bool _isSessionActive = false;
String? _activeSessionId;
SwipSessionResults? _lastResults;
String _status = 'Not initialized';
// Emotion recognition
EmotionPrediction? _currentEmotion;
StreamSubscription<EmotionResult>? _emotionSubscription;
// SWIP scores
SwipScoreResult? _currentScore;
StreamSubscription<SwipScoreResult>? _scoreSubscription;
// Model information
Map<String, dynamic>? _modelInfo;
Map<String, dynamic>? _performanceMetrics;
@override
void initState() {
super.initState();
// Initialize SwipSdkManager with configuration
_swipManager = SwipSdkManager(
config: SwipSdkConfig(
enableLogging: true,
),
);
_storage.attachToManager(_swipManager);
// Warm up DB and ensure user exists
AppDatabase.instance.database;
_storage.initUser(userId: _userId);
_initializeSWIP();
}
@override
void dispose() {
_emotionSubscription?.cancel();
_scoreSubscription?.cancel();
_swipManager.dispose();
super.dispose();
}
Future<void> _initializeSWIP() async {
try {
setState(() {
_status = 'Initializing...';
});
await _swipManager.initialize();
// Set up emotion recognition stream
_emotionSubscription = _swipManager.emotionStream.listen((emotionResult) {
setState(() {
// Convert EmotionResult to EmotionPrediction for UI compatibility
_currentEmotion = EmotionPrediction.fromEmotionResult(emotionResult);
});
});
// Set up SWIP score stream
_scoreSubscription = _swipManager.scoreStream.listen((scoreResult) {
setState(() {
_currentScore = scoreResult;
});
});
// Model information is managed internally by synheart-emotion package
_modelInfo = {
'modelId': 'extratrees_wrist_all_v1_0',
'version': '1.0',
'type': 'ONNX',
};
_performanceMetrics = {
'accuracy': 0.78,
'f1_score': 0.75,
'dataset': 'WESAD',
};
setState(() {
_isInitialized = true;
_status = 'Ready';
});
} catch (e) {
setState(() {
_status = 'Initialization failed: $e';
});
}
}
Future<void> _startSession() async {
if (!_isInitialized) return;
try {
setState(() {
_status = 'Starting session...';
});
_activeSessionId = await _swipManager.startSession(
appId: 'swip_example_app',
metadata: {
'duration_minutes': 5,
'type': 'baseline',
'platform': 'flutter',
'environment': 'indoor',
},
);
// Device info will be captured from metrics streams
await _storage.startSession(
userId: _userId,
appId: 'swip_example_app',
deviceId: null,
deviceSource: null,
);
// Real-time data is automatically collected from synheart_wear
// No simulation needed - the SDK reads from actual wearable devices
setState(() {
_isSessionActive = true;
_status = 'Session active: $_activeSessionId';
});
} catch (e) {
setState(() {
_status = 'Failed to start session: $e';
});
}
}
Future<void> _endSession() async {
if (!_isSessionActive || _activeSessionId == null) return;
try {
setState(() {
_status = 'Ending session...';
});
final results = await _swipManager.stopSession();
final avg = results.scores.isNotEmpty
? results.scores.map((e) => e.swipScore).reduce((a, b) => a + b) /
results.scores.length
: null;
await _storage.endSession(averageScore: avg);
setState(() {
_isSessionActive = false;
_activeSessionId = null;
_lastResults = results;
_status = 'Session completed';
});
} catch (e) {
setState(() {
_status = 'Failed to end session: $e';
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('SWIP Demo'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
elevation: 0,
actions: [
IconButton(
icon: const Icon(Icons.storage_rounded),
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
DiagnosticsScreen(storageService: _storage),
),
);
},
tooltip: 'Database Diagnostics',
),
],
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Card(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.info_outline_rounded,
color: Theme.of(context).colorScheme.primary,
size: 24,
),
const SizedBox(width: 8),
Text(
'Status',
style:
Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Colors.grey[100],
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
Icon(
Icons.circle,
size: 8,
color:
_isInitialized ? Colors.green : Colors.orange,
),
const SizedBox(width: 8),
Expanded(
child: Text(
_status,
style:
const TextStyle(fontWeight: FontWeight.w500),
),
),
],
),
),
const SizedBox(height: 12),
Row(
children: [
Icon(
_isInitialized
? Icons.check_circle_rounded
: Icons.cancel_rounded,
color: _isInitialized ? Colors.green : Colors.grey,
size: 20,
),
const SizedBox(width: 8),
Text(
_isInitialized ? 'System Ready' : 'Not Initialized',
style: TextStyle(
color: _isInitialized
? Colors.green[700]
: Colors.grey[600],
fontWeight: FontWeight.w500,
),
),
],
),
if (_isSessionActive) ...[
const SizedBox(height: 12),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Colors.green[50],
borderRadius: BorderRadius.circular(8),
border: Border.all(color: Colors.green[200]!),
),
child: Row(
children: [
Icon(Icons.play_circle_rounded,
color: Colors.green[700], size: 20),
const SizedBox(width: 8),
Expanded(
child: Text(
'Session Active',
style: TextStyle(
color: Colors.green[700],
fontWeight: FontWeight.w600,
),
),
),
],
),
),
],
],
),
),
),
const SizedBox(height: 16),
Card(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.privacy_tip_rounded,
color: Theme.of(context).colorScheme.primary,
size: 24,
),
const SizedBox(width: 8),
Text(
'Data Storage',
style:
Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Local Storage',
style: TextStyle(
fontWeight: FontWeight.w600,
fontSize: 16,
),
),
const SizedBox(height: 4),
Text(
_storage.consentEnabled
? 'Data is being saved locally'
: 'No data is being saved',
style: TextStyle(
color: Colors.grey[600],
fontSize: 14,
),
),
],
),
),
Switch(
value: _storage.consentEnabled,
onChanged: (value) async {
await _storage.setConsent(
userId: _userId,
enabled: value,
);
setState(() {});
},
),
],
),
const SizedBox(height: 16),
Card(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.cloud_sync_rounded,
color: Theme.of(context).colorScheme.primary,
size: 20,
),
const SizedBox(width: 8),
Text(
'Cloud Sync',
style: Theme.of(context)
.textTheme
.titleLarge
?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
const Text(
'Sync to Cloud',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
),
),
const SizedBox(height: 4),
Text(
_storage.cloudSyncConsentEnabled
? 'Data will be synced to cloud'
: 'Data will not be synced',
style: TextStyle(
color: Colors.grey[600],
fontSize: 14,
),
),
],
),
),
Switch(
value: _storage.cloudSyncConsentEnabled,
onChanged: (value) async {
await _storage.setCloudSyncConsent(
userId: _userId,
enabled: value,
);
setState(() {});
},
),
],
),
],
),
),
),
],
),
),
),
const SizedBox(height: 16),
Card(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.control_camera_rounded,
color: Theme.of(context).colorScheme.primary,
size: 24,
),
const SizedBox(width: 8),
Text(
'Session Controls',
style:
Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 16),
Row(
children: [
Expanded(
child: ElevatedButton.icon(
onPressed: _isInitialized && !_isSessionActive
? _startSession
: null,
icon: const Icon(Icons.play_arrow_rounded),
label: const Text('Start Session'),
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 16),
backgroundColor: Colors.green,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
),
),
),
const SizedBox(width: 12),
Expanded(
child: ElevatedButton.icon(
onPressed: _isSessionActive ? _endSession : null,
icon: const Icon(Icons.stop_rounded),
label: const Text('End Session'),
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 16),
backgroundColor: Colors.red,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
),
),
),
],
),
],
),
),
),
// SWIP Score Display
if (_currentScore != null) ...[
const SizedBox(height: 16),
Card(
elevation: 4,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
_getScoreColor(_currentScore!.swipScore)
.withOpacity(0.1),
Colors.white,
],
),
),
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.favorite_rounded,
color: Theme.of(context).colorScheme.primary,
size: 28,
),
const SizedBox(width: 12),
Text(
'SWIP Wellness Score',
style: Theme.of(context)
.textTheme
.titleLarge
?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 24),
Center(
child: Column(
children: [
Container(
padding: const EdgeInsets.all(32),
decoration: BoxDecoration(
shape: BoxShape.circle,
color:
_getScoreColor(_currentScore!.swipScore)
.withOpacity(0.2),
boxShadow: [
BoxShadow(
color: _getScoreColor(
_currentScore!.swipScore)
.withOpacity(0.3),
blurRadius: 20,
spreadRadius: 5,
),
],
),
child: Text(
_currentScore!.swipScore.toStringAsFixed(0),
style: Theme.of(context)
.textTheme
.headlineLarge
?.copyWith(
color: _getScoreColor(
_currentScore!.swipScore),
fontWeight: FontWeight.bold,
fontSize: 48,
),
),
),
const SizedBox(height: 16),
Text(
_getScoreInterpretation(
_currentScore!.swipScore),
style: Theme.of(context)
.textTheme
.titleMedium
?.copyWith(
color: _getScoreColor(
_currentScore!.swipScore),
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 8),
Text(
'Confidence: ${(_currentScore!.confidence * 100).toStringAsFixed(1)}%',
style: TextStyle(color: Colors.grey[600]),
),
],
),
),
],
),
),
),
),
],
// Emotion Recognition Display
...[
const SizedBox(height: 16),
Card(
elevation: 4,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
_currentEmotion != null
? _getEmotionColor(_getEmotionClassFromString(
_currentEmotion!.emotion))
.withOpacity(0.1)
: Colors.blue.withOpacity(0.05),
Colors.white,
],
),
),
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.psychology_rounded,
color: Theme.of(context).colorScheme.primary,
size: 28,
),
const SizedBox(width: 12),
Expanded(
child: Text(
'Real-time Emotion Recognition',
style: Theme.of(context)
.textTheme
.titleLarge
?.copyWith(
fontWeight: FontWeight.bold,
),
),
),
],
),
const SizedBox(height: 24),
if (_currentEmotion != null) ...[
Center(
child: Column(
children: [
Container(
padding: const EdgeInsets.all(32),
decoration: BoxDecoration(
shape: BoxShape.circle,
color: _getEmotionColor(
_getEmotionClassFromString(
_currentEmotion!.emotion))
.withOpacity(0.2),
boxShadow: [
BoxShadow(
color: _getEmotionColor(
_getEmotionClassFromString(
_currentEmotion!.emotion))
.withOpacity(0.3),
blurRadius: 20,
spreadRadius: 5,
),
],
),
child: Icon(
_getEmotionIcon(_getEmotionClassFromString(
_currentEmotion!.emotion)),
size: 80,
color: _getEmotionColor(
_getEmotionClassFromString(
_currentEmotion!.emotion)),
),
),
const SizedBox(height: 24),
Text(
_currentEmotion!.emotion,
style: Theme.of(context)
.textTheme
.headlineLarge
?.copyWith(
color: _getEmotionColor(
_getEmotionClassFromString(
_currentEmotion!.emotion)),
fontWeight: FontWeight.bold,
fontSize: 36,
),
),
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 16, vertical: 8),
decoration: BoxDecoration(
color: _getEmotionColor(
_getEmotionClassFromString(
_currentEmotion!.emotion))
.withOpacity(0.15),
borderRadius: BorderRadius.circular(20),
),
child: Text(
'${(_currentEmotion!.confidence * 100).toStringAsFixed(1)}% Confidence',
style: Theme.of(context)
.textTheme
.titleMedium
?.copyWith(
color: _getEmotionColor(
_getEmotionClassFromString(
_currentEmotion!.emotion)),
fontWeight: FontWeight.w600,
),
),
),
],
),
),
const SizedBox(height: 32),
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.grey[50],
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.grey[300]!),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Emotion Probabilities',
style: Theme.of(context)
.textTheme
.titleSmall
?.copyWith(
fontWeight: FontWeight.bold,
color: Colors.grey[700],
),
),
const SizedBox(height: 12),
..._currentEmotion!.probabilities.entries
.map((entry) {
final emotionLabel = entry.key;
final probability = entry.value;
final emotion =
_getEmotionClassFromString(emotionLabel);
return Padding(
padding: const EdgeInsets.symmetric(
vertical: 6.0),
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: [
Row(
children: [
Icon(
_getEmotionIcon(emotion),
size: 20,
color:
_getEmotionColor(emotion),
),
const SizedBox(width: 8),
Text(
emotionLabel,
style: TextStyle(
fontWeight: FontWeight.w500,
color: Colors.grey[800],
),
),
],
),
Text(
'${(probability * 100).toStringAsFixed(1)}%',
style: TextStyle(
fontWeight: FontWeight.bold,
color:
_getEmotionColor(emotion),
),
),
],
),
const SizedBox(height: 6),
ClipRRect(
borderRadius:
BorderRadius.circular(8),
child: LinearProgressIndicator(
value: probability,
minHeight: 8,
backgroundColor: Colors.grey[300],
valueColor:
AlwaysStoppedAnimation<Color>(
_getEmotionColor(emotion),
),
),
),
],
),
);
}),
],
),
),
] else ...[
Center(
child: Padding(
padding: const EdgeInsets.all(32.0),
child: Column(
children: [
Icon(
Icons.sentiment_neutral_rounded,
size: 64,
color: Colors.grey[400],
),
const SizedBox(height: 16),
Text(
'No emotion data yet',
style: Theme.of(context)
.textTheme
.titleMedium
?.copyWith(
color: Colors.grey[600],
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 8),
Text(
'Start a session to see real-time emotion recognition',
textAlign: TextAlign.center,
style: TextStyle(color: Colors.grey[500]),
),
],
),
),
),
],
],
),
),
),
),
],
if (_lastResults != null) ...[
const SizedBox(height: 16),
Card(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Last Session Results',
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 16),
Builder(
builder: (context) {
final summary = _lastResults!.getSummary();
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildResultRow('Average SWIP Score',
'${summary['average_swip_score']?.toStringAsFixed(1) ?? 'N/A'}'),
_buildResultRow(
'Dominant Emotion',
summary['dominant_emotion']?.toString() ??
'Unknown'),
_buildResultRow('Score Count',
'${summary['score_count'] ?? 0}'),
_buildResultRow('Emotion Count',
'${summary['emotion_count'] ?? 0}'),
_buildResultRow('Duration',
'${summary['duration_seconds'] ?? 0} seconds'),
],
);
},
),
],
),
),
),
],
// Model Information Display
if (_modelInfo != null) ...[
const SizedBox(height: 16),
Card(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Emotion Recognition Model',
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 16),
_buildInfoRow(
'Model ID', _modelInfo!['modelId'] ?? 'Unknown'),
_buildInfoRow(
'Version', _modelInfo!['version'] ?? 'Unknown'),
_buildInfoRow('Type', _modelInfo!['type'] ?? 'Unknown'),
if (_performanceMetrics != null) ...[
const SizedBox(height: 8),
Text(
'Performance Metrics',
style: Theme.of(context).textTheme.titleSmall,
),
_buildInfoRow('Accuracy',
'${(_performanceMetrics!['accuracy'] ?? 0.0).toStringAsFixed(2)}'),
_buildInfoRow('F1 Score',
'${(_performanceMetrics!['f1_score'] ?? 0.0).toStringAsFixed(2)}'),
_buildInfoRow('Dataset',
_performanceMetrics!['dataset'] ?? 'Unknown'),
],
],
),
),
),
],
],
),
),
);
}
Color _getScoreColor(double score) {
if (score >= 80) return Colors.green;
if (score >= 60) return Colors.blue;
if (score >= 40) return Colors.orange;
return Colors.red;
}
String _getScoreInterpretation(double score) {
if (score >= 80) return 'Positive';
if (score >= 60) return 'Neutral';
if (score >= 40) return 'Mild Stress';
return 'Negative';
}
EmotionClass _getEmotionClassFromString(String emotionString) {
final lower = emotionString.toLowerCase();
if (lower.contains('calm')) return EmotionClass.calm;
if (lower.contains('stress')) return EmotionClass.stressed;
if (lower.contains('amus')) return EmotionClass.amused;
return EmotionClass.neutral;
}
IconData _getEmotionIcon(EmotionClass emotion) {
switch (emotion) {
case EmotionClass.calm:
return Icons.spa_rounded;
case EmotionClass.stressed:
return Icons.warning_rounded;
case EmotionClass.amused:
return Icons.sentiment_very_satisfied_rounded;
case EmotionClass.focused:
return Icons.psychology_rounded;
case EmotionClass.neutral:
return Icons.sentiment_neutral;
}
}
Color _getEmotionColor(EmotionClass emotion) {
switch (emotion) {
case EmotionClass.calm:
return Colors.green;
case EmotionClass.stressed:
return Colors.red;
case EmotionClass.amused:
return Colors.amber;
case EmotionClass.focused:
return Colors.blue;
case EmotionClass.neutral:
return Colors.grey;
}
}
Widget _buildResultRow(String label, String value) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(label),
Text(
value,
style: const TextStyle(fontWeight: FontWeight.bold),
),
],
),
);
}
Widget _buildInfoRow(String label, String value) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 2.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(label),
Text(
value,
style: const TextStyle(fontWeight: FontWeight.bold),
),
],
),
);
}
}Metadata
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downloads
Publisher
Weekly Downloads
Metadata
Synheart Wellness Impact Protocol - Flutter SDK
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
crypto, cupertino_icons, flutter, http, json_annotation, logger, permission_handler, sensors_plus, swip_core, synheart_emotion, synheart_wear
