internal/flutter_google_track_and_trace
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fix timer state change

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This commit is contained in:
Freek van de Ven 2021-09-29 13:42:13 +02:00
parent ed11998739
commit 7e789a2789
3 changed files with 30 additions and 10 deletions
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4
example/lib/main.dart
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@ -17,7 +17,7 @@ class _TrackTraceDemoState extends State<TrackTraceDemo> {
@override @override
void initState() { void initState() {
Timer.periodic(const Duration(seconds: 10), (_) { Timer.periodic(const Duration(seconds: 5), (_) {
moveAlongRoute(); moveAlongRoute();
}); });
super.initState(); super.initState();
@ -49,7 +49,7 @@ class _TrackTraceDemoState extends State<TrackTraceDemo> {
line: const Polyline( line: const Polyline(
polylineId: PolylineId('test route'), polylineId: PolylineId('test route'),
color: Colors.purple, color: Colors.purple,
width: 7, width: 5,
), ),
onMapCreated: (ctr) => { onMapCreated: (ctr) => {
controller = ctr, controller = ctr,

28
lib/src/controller.dart
View file

@ -36,21 +36,39 @@ class TrackTraceController extends ChangeNotifier {
} }
GoogleMapController? get mapController => _mapController; GoogleMapController? get mapController => _mapController;
@override
void dispose() {
_mapController?.dispose();
super.dispose();
}
} }
class TrackTraceRoute { class TrackTraceRoute {
/// route duration in seconds /// route duration in seconds
int duration = 0; int _duration = 0;
/// route distance in meters /// route distance in meters
int distance = 0; int _distance = 0;
/// route edge points /// route edge points
List<PointLatLng> line; final List<PointLatLng> line;
TrackTraceRoute( TrackTraceRoute(
int durationValue, int distanceValue, List<PointLatLng> lineValue) int durationValue, int distanceValue, List<PointLatLng> lineValue)
: duration = durationValue, : _duration = durationValue,
distance = distanceValue, _distance = distanceValue,
line = lineValue; line = lineValue;
int get distance => _distance;
int get duration => _duration;
set distance(int distance) {
_distance = distance;
}
set duration(int duration) {
_duration = duration;
}
} }

8
lib/src/google_map.dart
View file

@ -167,14 +167,16 @@ class _GoogleTrackTraceMapState extends State<GoogleTrackTraceMap> {
(widget.timerPrecision == TimePrecision.everyMinute) ? 60 : 1; (widget.timerPrecision == TimePrecision.everyMinute) ? 60 : 1;
Timer.periodic(Duration(seconds: updateInterval), (timer) { Timer.periodic(Duration(seconds: updateInterval), (timer) {
if (controller.route != null) { if (controller.route != null) {
controller.route!.duration = controller.route = TrackTraceRoute(
controller.route!.duration - updateInterval; controller.route!.duration - updateInterval,
controller.route!.distance,
controller.route!.line);
} }
}); });
} }
} }
void calculateRoute() async { void calculateRoute() async {
DirectionsRepository() //TODO refactor this away DirectionsRepository() //TODO refactor this away
.getDirections( .getDirections(
origin: controller.start.position, origin: controller.start.position,