allinone_location 4.1.2

Enterprise Flutter location SDK featuring Fused Location, Kalman smoothing, adaptive engines, geofencing, background recovery, diagnostic UI, and offline sync.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:allinone_location/allinone_location.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const AllInOneExampleApp());
}

class AllInOneExampleApp extends StatelessWidget {
  const AllInOneExampleApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'AllInOne Location SDK Showcase',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(
          seedColor: const Color(0xFF02569B),
          brightness: Brightness.light,
        ),
        useMaterial3: true,
      ),
      home: const MainShowcaseScreen(),
    );
  }
}

class MainShowcaseScreen extends StatefulWidget {
  const MainShowcaseScreen({super.key});

  @override
  State<MainShowcaseScreen> createState() => _MainShowcaseScreenState();
}

class _MainShowcaseScreenState extends State<MainShowcaseScreen> {
  int _selectedIndex = 0;
  String _statusMessage = 'SDK Ready';
  AllInOneLocation? _lastFix;
  bool _isBackgroundActive = false;
  final List<AllInOneLocation> _recordedRoute = [];

  @override
  void initState() {
    super.initState();
    _setupGeofences();
  }

  void _setupGeofences() {
    final geofenceManager = AllInOneLocationSDK.geofences;
    geofenceManager.addRegion(GeofenceRegion.circle(
      id: 'demo_circle',
      centerLatitude: 12.9716,
      centerLongitude: 77.5946,
      radiusMeters: 150.0,
    ));

    geofenceManager.onGeofenceEvent.listen((event) {
      if (mounted) {
        setState(() {
          _statusMessage = '🚩 Geofence [${event.geofenceId}] event: ${event.type.name}';
        });
      }
    });
  }

  Future<void> _requestPermissions() async {
    setState(() => _statusMessage = 'Requesting location permissions...');
    final result = await AllInOnePermission.requestAllPermissions();
    final anyGranted = result.values.any((status) => status.isGranted);
    if (mounted) {
      setState(() {
        _statusMessage = anyGranted
            ? '✅ All Location & Notification Permissions Granted'
            : '⚠️ Permission Request Incomplete';
      });
    }
  }

  Future<void> _fetchHighAccuracyFix() async {
    setState(() => _statusMessage = 'Averaging multi-sample GPS centroid...');
    try {
      final loc = await AllInOneLocationSDK.getCurrentLocation(
        config: const AllInOneConfig(
          sampleCount: 3,
          enableKalmanFilter: true,
          enableSpeedEngine: true,
          enableAltitudeFiltering: true,
        ),
      );
      setState(() {
        _lastFix = loc;
        _recordedRoute.add(loc);
        _statusMessage = '✅ Location fix ready (Accuracy: ${loc.accuracy.toStringAsFixed(1)}m)';
      });
    } catch (e) {
      setState(() => _statusMessage = '❌ Location error: $e');
    }
  }

  Future<void> _toggleBackgroundService() async {
    if (_isBackgroundActive) {
      await AllInOneBackgroundService.stopService();
      setState(() {
        _isBackgroundActive = false;
        _statusMessage = 'Background tracking stopped';
      });
    } else {
      await AllInOneBackgroundService.initialize(
        config: const BackgroundConfig(
          notificationTitle: 'AllInOne Showcase',
          notificationContent: 'Real-time location monitoring active',
          heartbeatIntervalSeconds: 10,
        ),
      );
      await AllInOneBackgroundService.startService();
      setState(() {
        _isBackgroundActive = true;
        _statusMessage = '🟢 Background location tracking active';
      });
    }
  }

  void _runDistanceMatrixDemo() {
    final origins = [
      [12.9716, 77.5946],
      [12.9816, 77.6046]
    ];
    final destinations = [
      [13.0016, 77.6246],
      [13.0116, 77.6346]
    ];

    final matrix = DistanceMatrix.computeMatrix(origins: origins, destinations: destinations);
    final etaSeconds = DistanceMatrix.estimateTravelTimeSeconds(matrix[0][0], mode: 'driving');

    showDialog(
      context: context,
      builder: (ctx) => AlertDialog(
        title: const Text('Distance Matrix & ETA'),
        content: Text(
          'Distance O1->D1: ${matrix[0][0].toStringAsFixed(1)} meters\n'
          'Estimated Driving ETA: ${(etaSeconds / 60).toStringAsFixed(1)} mins',
        ),
        actions: [
          TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Close')),
        ],
      ),
    );
  }

  void _exportRouteData() {
    if (_recordedRoute.isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text('Please fetch a location fix first!')),
      );
      return;
    }

    final gpxXml = GpxExporter.export(points: _recordedRoute, trackName: 'Showcase Route');
    showModalBottomSheet(
      context: context,
      builder: (ctx) => Padding(
        padding: const EdgeInsets.all(16.0),
        child: SingleChildScrollView(
          child: SelectableText(gpxXml, style: const TextStyle(fontFamily: 'monospace', fontSize: 12)),
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('AllInOne Location SDK'),
        actions: [
          IconButton(
            icon: const Icon(Icons.download),
            tooltip: 'Export GPX',
            onPressed: _exportRouteData,
          ),
        ],
      ),
      body: IndexedStack(
        index: _selectedIndex,
        children: [
          _buildLiveTelemetryTab(),
          const AllInOneDiagnosticDashboard(),
        ],
      ),
      bottomNavigationBar: NavigationBar(
        selectedIndex: _selectedIndex,
        onDestinationSelected: (idx) => setState(() => _selectedIndex = idx),
        destinations: const [
          NavigationDestination(icon: Icon(Icons.my_location), label: 'Telemetry'),
          NavigationDestination(icon: Icon(Icons.dashboard_customize), label: 'Diagnostics'),
        ],
      ),
    );
  }

  Widget _buildLiveTelemetryTab() {
    return SingleChildScrollView(
      padding: const EdgeInsets.all(16.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          Card(
            color: Theme.of(context).colorScheme.primaryContainer,
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: Text(
                _statusMessage,
                style: const TextStyle(fontWeight: FontWeight.bold),
              ),
            ),
          ),
          const SizedBox(height: 12),
          Wrap(
            spacing: 8,
            runSpacing: 8,
            children: [
              ElevatedButton.icon(
                onPressed: _requestPermissions,
                icon: const Icon(Icons.security),
                label: const Text('Permissions'),
              ),
              ElevatedButton.icon(
                onPressed: _fetchHighAccuracyFix,
                icon: const Icon(Icons.gps_fixed),
                label: const Text('Get Fix'),
              ),
              ElevatedButton.icon(
                onPressed: _toggleBackgroundService,
                icon: Icon(_isBackgroundActive ? Icons.stop : Icons.play_arrow),
                label: Text(_isBackgroundActive ? 'Stop Service' : 'Start Service'),
              ),
              ElevatedButton.icon(
                onPressed: _runDistanceMatrixDemo,
                icon: const Icon(Icons.map),
                label: const Text('Distance Matrix'),
              ),
            ],
          ),
          const SizedBox(height: 16),
          if (_lastFix != null) ...[
            Card(
              child: Padding(
                padding: const EdgeInsets.all(16.0),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text('Location Telemetry', style: Theme.of(context).textTheme.titleMedium),
                    const Divider(),
                    Text('Coordinates: ${_lastFix!.latitude.toStringAsFixed(6)}, ${_lastFix!.longitude.toStringAsFixed(6)}'),
                    Text('Accuracy: ${_lastFix!.accuracy.toStringAsFixed(1)} meters'),
                    Text('Filtered Altitude: ${_lastFix!.filteredAltitude.toStringAsFixed(1)} meters'),
                    Text('Smoothed Speed: ${_lastFix!.smoothedSpeed.toStringAsFixed(2)} m/s'),
                    Text('Activity State: ${_lastFix!.activityType.name}'),
                    Text('Indoor/Outdoor: ${_lastFix!.indoorOutdoorState.name}'),
                    Text('Confidence Quality: ${_lastFix!.confidenceScore.toStringAsFixed(1)}%'),
                  ],
                ),
              ),
            ),
          ],
        ],
      ),
    );
  }
}