fix: solve the map state management problem when expanding/collapsed.

lib/screens/history_screen.dart

@@ -1,10 +1,12 @@
+import 'dart:math' as math;
+import 'dart:isolate';
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:latlong2/latlong.dart';
-import 'package:lbjconsole/models/merged_record.dart';
-import 'package:lbjconsole/services/database_service.dart';
-import 'package:lbjconsole/models/train_record.dart';
-import 'package:lbjconsole/services/merge_service.dart';
+import '../models/merged_record.dart';
+import '../services/database_service.dart';
+import '../models/train_record.dart';
+import '../services/merge_service.dart';
 
 class HistoryScreen extends StatefulWidget {
   final Function(bool isEditing) onEditModeChanged;
@@ -30,6 +32,9 @@ class HistoryScreenState extends State<HistoryScreen> {
   bool _isAtTop = true;
   MergeSettings _mergeSettings = MergeSettings();
 
+  final Map<String, double> _mapOptimalZoom = {};
+  final Map<String, bool> _mapCalculating = {};
+
   int getSelectedCount() => _selectedRecords.length;
   Set<String> getSelectedRecordIds() => _selectedRecords;
   List<Object> getDisplayItems() => _displayItems;
@@ -151,8 +156,19 @@ class HistoryScreenState extends State<HistoryScreen> {
                   widget.onSelectionChanged();
                 });
               } else {
-                setState(
-                    () => _expandedStates[mergedRecord.groupKey] = !isExpanded);
+                if (isExpanded) {
+                  final mapId =
+                      mergedRecord.records.map((r) => r.uniqueId).join('_');
+                  setState(() {
+                    _expandedStates[mergedRecord.groupKey] = false;
+                    _mapOptimalZoom.remove(mapId);
+                    _mapCalculating.remove(mapId);
+                  });
+                } else {
+                  setState(() {
+                    _expandedStates[mergedRecord.groupKey] = true;
+                  });
+                }
               }
             },
             onLongPress: () {
@@ -256,6 +272,72 @@ class HistoryScreenState extends State<HistoryScreen> {
     }
   }
 
+  double _calculateOptimalZoom(List<LatLng> positions,
+      {double containerWidth = 400, double containerHeight = 220}) {
+    if (positions.length == 1) return 17.0;
+
+    double minLat = positions[0].latitude;
+    double maxLat = positions[0].latitude;
+    double minLng = positions[0].longitude;
+    double maxLng = positions[0].longitude;
+
+    for (final pos in positions) {
+      minLat = math.min(minLat, pos.latitude);
+      maxLat = math.max(maxLat, pos.latitude);
+      minLng = math.min(minLng, pos.longitude);
+      maxLng = math.max(maxLng, pos.longitude);
+    }
+
+    double latToY(double lat) {
+      final latRad = lat * math.pi / 180.0;
+      return math.log(math.tan(latRad) + 1.0 / math.cos(latRad));
+    }
+
+    double lngToX(double lng) {
+      return lng * math.pi / 180.0;
+    }
+
+    final minX = lngToX(minLng);
+    final maxX = lngToX(maxLng);
+    final minY = latToY(minLat);
+    final maxY = latToY(maxLat);
+
+    const worldSize = 2.0 * math.pi;
+
+    final widthWorld = (maxX - minX) / worldSize;
+    final heightWorld = (maxY - minY) / worldSize;
+
+    const paddingRatio = 0.8;
+
+    final widthZoom =
+        math.log((containerWidth * paddingRatio) / (widthWorld * 256.0)) /
+            math.log(2.0);
+    final heightZoom =
+        math.log((containerHeight * paddingRatio) / (heightWorld * 256.0)) /
+            math.log(2.0);
+
+    final optimalZoom = math.min(widthZoom, heightZoom);
+
+    return math.max(1.0, math.min(20.0, optimalZoom));
+  }
+
+  double _calculateDistance(LatLng pos1, LatLng pos2) {
+    const earthRadius = 6371000;
+    final lat1 = pos1.latitude * math.pi / 180;
+    final lat2 = pos2.latitude * math.pi / 180;
+    final deltaLat = (pos2.latitude - pos1.latitude) * math.pi / 180;
+    final deltaLng = (pos2.longitude - pos1.longitude) * math.pi / 180;
+
+    final a = math.sin(deltaLat / 2) * math.sin(deltaLat / 2) +
+        math.cos(lat1) *
+            math.cos(lat2) *
+            math.sin(deltaLng / 2) *
+            math.sin(deltaLng / 2);
+    final c = 2 * math.atan2(math.sqrt(a), math.sqrt(1 - a));
+
+    return earthRadius * c;
+  }
+
   String _getLocationInfo(TrainRecord record) {
     List<String> parts = [];
     if (record.route.isNotEmpty && record.route != "<NUL>")
@@ -263,7 +345,9 @@ class HistoryScreenState extends State<HistoryScreen> {
     if (record.direction != 0) parts.add(record.direction == 1 ? "下" : "上");
     if (record.position.isNotEmpty && record.position != "<NUL>") {
       final position = record.position;
-      final cleanPosition = position.endsWith('.') ? position.substring(0, position.length - 1) : position;
+      final cleanPosition = position.endsWith('.')
+          ? position.substring(0, position.length - 1)
+          : position;
       parts.add("${cleanPosition}K");
     }
     return parts.join(' ');
@@ -275,7 +359,45 @@ class HistoryScreenState extends State<HistoryScreen> {
         .whereType<LatLng>()
         .toList();
     if (positions.isEmpty) return const SizedBox.shrink();
+
+    final mapId = records.map((r) => r.uniqueId).join('_');
     final bounds = LatLngBounds.fromPoints(positions);
+
+    if (!_mapOptimalZoom.containsKey(mapId) &&
+        !(_mapCalculating[mapId] ?? false)) {
+      _mapCalculating[mapId] = true;
+
+      _calculateOptimalZoomAsync(positions,
+              containerWidth: 400, containerHeight: 220)
+          .then((optimalZoom) {
+        if (mounted) {
+          setState(() {
+            _mapOptimalZoom[mapId] = optimalZoom;
+            _mapCalculating[mapId] = false;
+          });
+        }
+      });
+    }
+
+    if (!_mapOptimalZoom.containsKey(mapId)) {
+      return const Column(
+        children: [
+          SizedBox(height: 8),
+          SizedBox(
+            height: 228,
+            child: Center(
+              child: CircularProgressIndicator(
+                color: Colors.blue,
+                strokeWidth: 2,
+              ),
+            ),
+          ),
+        ],
+      );
+    }
+
+    final zoomLevel = _mapOptimalZoom[mapId]!;
+
     return Column(children: [
       const SizedBox(height: 8),
       Container(
@@ -283,37 +405,21 @@ class HistoryScreenState extends State<HistoryScreen> {
           margin: const EdgeInsets.symmetric(vertical: 4),
           decoration: BoxDecoration(
               borderRadius: BorderRadius.circular(8), color: Colors.grey[900]),
-          child: FlutterMap(
-              options: MapOptions(
-                  initialCenter: bounds.center,
-                  initialZoom: 10,
-                  minZoom: 5,
-                  maxZoom: 18,
-                  cameraConstraint: CameraConstraint.contain(bounds: bounds)),
-              children: [
-                TileLayer(
-                    urlTemplate:
-                        'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
-                    userAgentPackageName: 'org.noxylva.lbjconsole'),
-                MarkerLayer(
-                    markers: positions
-                        .map((pos) => Marker(
-                            point: pos,
-                            width: 40,
-                            height: 40,
-                            child: Container(
-                                decoration: BoxDecoration(
-                                    color: Colors.red.withOpacity(0.8),
-                                    shape: BoxShape.circle,
-                                    border: Border.all(
-                                        color: Colors.white, width: 2)),
-                                child: const Icon(Icons.train,
-                                    color: Colors.white, size: 20))))
-                        .toList())
-              ]))
+          child: _DelayedMultiMarkerMap(
+            key: ValueKey('multi_map_${mapId}_$zoomLevel'),
+            positions: positions,
+            center: bounds.center,
+            zoom: zoomLevel,
+          ))
     ]);
   }
 
+  double _getDefaultZoom(List<LatLng> positions) {
+    if (positions.length == 1) return 15.0;
+    if (positions.length < 10) return 12.0;
+    return 10.0;
+  }
+
   Widget _buildRecordCard(TrainRecord record, {bool isSubCard = false}) {
     final isSelected = _selectedRecords.contains(record.uniqueId);
     final isExpanded =
@@ -344,7 +450,17 @@ class HistoryScreenState extends State<HistoryScreen> {
                   widget.onSelectionChanged();
                 });
               } else if (!isSubCard) {
-                setState(() => _expandedStates[record.uniqueId] = !isExpanded);
+                if (isExpanded) {
+                  setState(() {
+                    _expandedStates[record.uniqueId] = false;
+                    _mapOptimalZoom.remove(record.uniqueId);
+                    _mapCalculating.remove(record.uniqueId);
+                  });
+                } else {
+                  setState(() {
+                    _expandedStates[record.uniqueId] = true;
+                  });
+                }
               }
             },
             onLongPress: () {
@@ -481,7 +597,8 @@ class HistoryScreenState extends State<HistoryScreen> {
               if (isValidRoute && isValidPosition) const SizedBox(width: 4),
               if (isValidPosition)
                 Flexible(
-                    child: Text("${position.trim().endsWith('.') ? position.trim().substring(0, position.trim().length - 1) : position.trim()}K",
+                    child: Text(
+                        "${position.trim().endsWith('.') ? position.trim().substring(0, position.trim().length - 1) : position.trim()}K",
                         style:
                             const TextStyle(fontSize: 16, color: Colors.white),
                         overflow: TextOverflow.ellipsis))
@@ -495,40 +612,59 @@ class HistoryScreenState extends State<HistoryScreen> {
 
   Widget _buildExpandedContent(TrainRecord record) {
     final position = _parsePosition(record.positionInfo);
-    return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
-      if (position != null)
-        Column(children: [
-          const SizedBox(height: 8),
-          Container(
-              height: 220,
-              margin: const EdgeInsets.symmetric(vertical: 4),
-              decoration: BoxDecoration(
-                  borderRadius: BorderRadius.circular(8),
-                  color: Colors.grey[900]),
-              child: FlutterMap(
-                  options:
-                      MapOptions(initialCenter: position, initialZoom: 15.0),
-                  children: [
-                    TileLayer(
-                        urlTemplate:
-                            'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
-                        userAgentPackageName: 'org.noxylva.lbjconsole'),
-                    MarkerLayer(markers: [
-                      Marker(
-                          point: position,
-                          width: 40,
-                          height: 40,
-                          child: Container(
-                              decoration: BoxDecoration(
-                                  color: Colors.red,
-                                  borderRadius: BorderRadius.circular(20),
-                                  border: Border.all(
-                                      color: Colors.white, width: 2)),
-                              child: const Icon(Icons.train,
-                                  color: Colors.white, size: 20)))
-                    ])
-                  ]))
-        ])
+    final mapId = record.uniqueId;
+
+    if (position == null) {
+      return const SizedBox.shrink();
+    }
+
+    if (!_mapOptimalZoom.containsKey(mapId) &&
+        !(_mapCalculating[mapId] ?? false)) {
+      _mapCalculating[mapId] = true;
+
+      _calculateOptimalZoomAsync([position],
+              containerWidth: 400, containerHeight: 220)
+          .then((optimalZoom) {
+        if (mounted) {
+          setState(() {
+            _mapOptimalZoom[mapId] = optimalZoom;
+            _mapCalculating[mapId] = false;
+          });
+        }
+      });
+    }
+
+    if (!_mapOptimalZoom.containsKey(mapId)) {
+      return const Column(
+        children: [
+          SizedBox(height: 8),
+          SizedBox(
+            height: 228,
+            child: Center(
+              child: CircularProgressIndicator(
+                color: Colors.blue,
+                strokeWidth: 2,
+              ),
+            ),
+          ),
+        ],
+      );
+    }
+
+    final zoomLevel = _mapOptimalZoom[mapId]!;
+
+    return Column(children: [
+      const SizedBox(height: 8),
+      Container(
+          height: 220,
+          margin: const EdgeInsets.symmetric(vertical: 4),
+          decoration: BoxDecoration(
+              borderRadius: BorderRadius.circular(8), color: Colors.grey[900]),
+          child: _DelayedMapWithMarker(
+            key: ValueKey('map_${mapId}_$zoomLevel'),
+            position: position,
+            zoom: zoomLevel,
+          ))
     ]);
   }
 
@@ -566,4 +702,192 @@ class HistoryScreenState extends State<HistoryScreen> {
       return null;
     }
   }
+
+  Future<_BoundaryBox> _calculateBoundaryBoxParallel(
+      List<LatLng> positions) async {
+    if (positions.length < 100) {
+      return _calculateBoundaryBoxIsolate(positions);
+    }
+
+    final chunkSize = (positions.length / 4).ceil();
+    final chunks = <List<LatLng>>[];
+
+    for (int i = 0; i < positions.length; i += chunkSize) {
+      final end = math.min(i + chunkSize, positions.length);
+      chunks.add(positions.sublist(i, end));
+    }
+
+    final results = await Future.wait(chunks.map(
+        (chunk) => Isolate.run(() => _calculateBoundaryBoxIsolate(chunk))));
+
+    double minLat = results[0].minLat;
+    double maxLat = results[0].maxLat;
+    double minLng = results[0].minLng;
+    double maxLng = results[0].maxLng;
+
+    for (final box in results.skip(1)) {
+      minLat = math.min(minLat, box.minLat);
+      maxLat = math.max(maxLat, box.maxLat);
+      minLng = math.min(minLng, box.minLng);
+      maxLng = math.max(maxLng, box.maxLng);
+    }
+
+    return _BoundaryBox(minLat, maxLat, minLng, maxLng);
+  }
+
+  Future<double> _calculateOptimalZoomAsync(List<LatLng> positions,
+      {required double containerWidth, required double containerHeight}) async {
+    if (positions.length == 1) return 17.0;
+
+    final boundaryBox = await _calculateBoundaryBoxParallel(positions);
+
+    double latToY(double lat) {
+      final latRad = lat * math.pi / 180.0;
+      return math.log(math.tan(latRad) + 1.0 / math.cos(latRad));
+    }
+
+    double lngToX(double lng) {
+      return lng * math.pi / 180.0;
+    }
+
+    final minX = lngToX(boundaryBox.minLng);
+    final maxX = lngToX(boundaryBox.maxLng);
+    final minY = latToY(boundaryBox.minLat);
+    final maxY = latToY(boundaryBox.maxLat);
+
+    const worldSize = 2.0 * math.pi;
+
+    final widthWorld = (maxX - minX) / worldSize;
+    final heightWorld = (maxY - minY) / worldSize;
+
+    const paddingRatio = 0.8;
+
+    final widthZoom =
+        math.log((containerWidth * paddingRatio) / (widthWorld * 256.0)) /
+            math.log(2.0);
+    final heightZoom =
+        math.log((containerHeight * paddingRatio) / (heightWorld * 256.0)) /
+            math.log(2.0);
+
+    final optimalZoom = math.min(widthZoom, heightZoom);
+
+    return math.max(5.0, math.min(18.0, optimalZoom));
+  }
+}
+
+class _BoundaryBox {
+  final double minLat;
+  final double maxLat;
+  final double minLng;
+  final double maxLng;
+
+  _BoundaryBox(this.minLat, this.maxLat, this.minLng, this.maxLng);
+}
+
+_BoundaryBox _calculateBoundaryBoxIsolate(List<LatLng> positions) {
+  double minLat = positions[0].latitude;
+  double maxLat = positions[0].latitude;
+  double minLng = positions[0].longitude;
+  double maxLng = positions[0].longitude;
+
+  for (final pos in positions) {
+    minLat = math.min(minLat, pos.latitude);
+    maxLat = math.max(maxLat, pos.latitude);
+    minLng = math.min(minLng, pos.longitude);
+    maxLng = math.max(maxLng, pos.longitude);
+  }
+
+  return _BoundaryBox(minLat, maxLat, minLng, maxLng);
+}
+
+class _DelayedMapWithMarker extends StatefulWidget {
+  final LatLng position;
+  final double zoom;
+
+  const _DelayedMapWithMarker({
+    Key? key,
+    required this.position,
+    required this.zoom,
+  }) : super(key: key);
+
+  @override
+  State<_DelayedMapWithMarker> createState() => _DelayedMapWithMarkerState();
+}
+
+class _DelayedMapWithMarkerState extends State<_DelayedMapWithMarker> {
+  @override
+  Widget build(BuildContext context) {
+    return FlutterMap(
+      options:
+          MapOptions(initialCenter: widget.position, initialZoom: widget.zoom),
+      children: [
+        TileLayer(
+            urlTemplate: 'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
+            userAgentPackageName: 'org.noxylva.lbjconsole'),
+        MarkerLayer(markers: [
+          Marker(
+              point: widget.position,
+              width: 40,
+              height: 40,
+              child: Container(
+                  decoration: BoxDecoration(
+                      color: Colors.red,
+                      borderRadius: BorderRadius.circular(20),
+                      border: Border.all(color: Colors.white, width: 2)),
+                  child:
+                      const Icon(Icons.train, color: Colors.white, size: 20)))
+        ])
+      ],
+    );
+  }
+}
+
+class _DelayedMultiMarkerMap extends StatefulWidget {
+  final List<LatLng> positions;
+  final LatLng center;
+  final double zoom;
+
+  const _DelayedMultiMarkerMap({
+    Key? key,
+    required this.positions,
+    required this.center,
+    required this.zoom,
+  }) : super(key: key);
+
+  @override
+  State<_DelayedMultiMarkerMap> createState() => _DelayedMultiMarkerMapState();
+}
+
+class _DelayedMultiMarkerMapState extends State<_DelayedMultiMarkerMap> {
+  @override
+  Widget build(BuildContext context) {
+    return FlutterMap(
+      options: MapOptions(
+        initialCenter: widget.center,
+        initialZoom: widget.zoom,
+        minZoom: 5,
+        maxZoom: 18,
+      ),
+      children: [
+        TileLayer(
+          urlTemplate: 'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
+          userAgentPackageName: 'org.noxylva.lbjconsole',
+        ),
+        MarkerLayer(
+            markers: widget.positions
+                .map((pos) => Marker(
+                    point: pos,
+                    width: 40,
+                    height: 40,
+                    child: Container(
+                        decoration: BoxDecoration(
+                            color: Colors.red.withOpacity(0.8),
+                            shape: BoxShape.circle,
+                            border: Border.all(color: Colors.white, width: 2)),
+                        child: const Icon(Icons.train,
+                            color: Colors.white, size: 20))))
+                .toList()),
+      ],
+    );
+  }
 }

lib/screens/map_screen.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:latlong2/latlong.dart';
@@ -26,8 +27,8 @@ class _MapScreenState extends State<MapScreen> {
   bool _isMapInitialized = false;
   bool _isFollowingLocation = false;
   bool _isLocationPermissionGranted = false;
+  Timer? _locationTimer;
 
-  static const LatLng _defaultPosition = LatLng(39.9042, 116.4074);
 
   @override
   void initState() {
@@ -35,12 +36,13 @@ class _MapScreenState extends State<MapScreen> {
     _initializeMap();
     _loadTrainRecords();
     _loadSettings();
-    _requestLocationPermission();
+    _startLocationUpdates();
   }
 
   @override
   void dispose() {
     _saveSettings();
+    _locationTimer?.cancel();
     super.dispose();
   }
 
@@ -49,6 +51,9 @@ class _MapScreenState extends State<MapScreen> {
   Future<void> _requestLocationPermission() async {
     bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
     if (!serviceEnabled) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('请开启定位服务')),
+      );
       return;
     }
 
@@ -58,6 +63,9 @@ class _MapScreenState extends State<MapScreen> {
     }
 
     if (permission == LocationPermission.deniedForever) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('定位权限被拒绝，请在设置中开启')),
+      );
       return;
     }
 
@@ -78,12 +86,39 @@ class _MapScreenState extends State<MapScreen> {
         _userLocation = LatLng(position.latitude, position.longitude);
       });
 
-      if (!_isMapInitialized && _userLocation != null) {
-        _mapController.move(_userLocation!, _currentZoom);
-      }
-    } catch (e) {}
+    } catch (e) {
+    }
   }
 
+  void _startLocationUpdates() {
+    _requestLocationPermission();
+    
+    _locationTimer = Timer.periodic(const Duration(seconds: 30), (timer) {
+      if (_isLocationPermissionGranted) {
+        _getCurrentLocation();
+      }
+    });
+  }
+
+  Future<void> _forceUpdateLocation() async {
+    
+    try {
+      Position position = await Geolocator.getCurrentPosition(
+        desiredAccuracy: LocationAccuracy.best,
+      );
+
+      final newLocation = LatLng(position.latitude, position.longitude);
+      
+      setState(() {
+        _userLocation = newLocation;
+      });
+
+      _mapController.move(newLocation, 15.0);
+    } catch (e) {
+    }
+  }
+
+
   Future<void> _loadSettings() async {
     try {
       final settings = await DatabaseService.instance.getAllSettings();
@@ -159,13 +194,12 @@ class _MapScreenState extends State<MapScreen> {
     } else if (_lastTrainLocation != null) {
       targetLocation = _lastTrainLocation;
     } else {
-      targetLocation = _defaultPosition;
+      _isMapInitialized = true;
+      return;
     }
 
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      _centerMap(targetLocation!, zoom: _currentZoom);
-      _isMapInitialized = true;
-    });
+    _centerMap(targetLocation!, zoom: _currentZoom);
+    _isMapInitialized = true;
   }
 
   void _centerMap(LatLng location, {double? zoom}) {
@@ -313,7 +347,7 @@ class _MapScreenState extends State<MapScreen> {
   }
 
   void _centerToMyLocation() {
-    _centerMap(_lastTrainLocation ?? _defaultPosition, zoom: 15.0);
+    _centerMap(_lastTrainLocation ?? const LatLng(39.9042, 116.4074), zoom: 15.0);
   }
 
   void _centerToLastTrain() {
@@ -537,11 +571,12 @@ class _MapScreenState extends State<MapScreen> {
           FlutterMap(
             mapController: _mapController,
             options: MapOptions(
-              initialCenter: _lastTrainLocation ?? _defaultPosition,
+              initialCenter: _lastTrainLocation ?? const LatLng(39.9042, 116.4074),
               initialZoom: _currentZoom,
               initialRotation: _currentRotation,
               minZoom: 4.0,
               maxZoom: 18.0,
+
               onPositionChanged: (MapCamera camera, bool hasGesture) {
                 if (hasGesture) {
                   setState(() {
@@ -552,28 +587,6 @@ class _MapScreenState extends State<MapScreen> {
                   _saveSettings();
                 }
               },
-              onTap: (_, point) {
-                for (final record in _trainRecords) {
-                  final coords = record.getCoordinates();
-                  final dmsCoords = _parseDmsCoordinate(record.positionInfo);
-                  LatLng? recordPosition;
-
-                  if (dmsCoords != null) {
-                    recordPosition = dmsCoords;
-                  } else if (coords['lat'] != 0.0 && coords['lng'] != 0.0) {
-                    recordPosition = LatLng(coords['lat']!, coords['lng']!);
-                  }
-
-                  if (recordPosition != null) {
-                    final distance = const Distance()
-                        .as(LengthUnit.Meter, recordPosition, point);
-                    if (distance < 50) {
-                      _showTrainDetailsDialog(record, recordPosition);
-                      break;
-                    }
-                  }
-                }
-              },
             ),
             children: [
               TileLayer(
@@ -622,10 +635,7 @@ class _MapScreenState extends State<MapScreen> {
                   heroTag: 'myLocation',
                   backgroundColor: const Color(0xFF1E1E1E),
                   onPressed: () {
-                    _getCurrentLocation();
-                    if (_userLocation != null) {
-                      _centerMap(_userLocation!, zoom: 15.0);
-                    }
+                    _forceUpdateLocation();
                   },
                   child: const Icon(Icons.my_location, color: Colors.white),
                 ),

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.1.5-flutter
+version: 0.1.7-flutter
 
 environment:
   sdk: ^3.5.4