[英]how to send Broadcast to BroadcastReceiver when location of device changes, in Android
[英]How to send to the back end the changes of location in flutter
嗨,有人知道如何使用后端(http 帖子)發送位置更改,如果將它放在 stream 上,就像我在下一部分中展示的那樣
StreamSubscription<Position> positionStream = geolocator.getPositionStream(locationOptions).listen(
(Position position) {
print(position == null ? 'Unknown' : "Location: "+ position.latitude.toString() + ', ' + position.longitude.toString());
});
我正在使用 goelocator 包
當我使用 setState 時,所有的小部件都會一次又一次地重新加載。
final Stream<Position> positionStream = Geolocator().getPositionStream(locationOptions);
_positionStreamSubscription = positionStream.listen((Position position) => setState(() {
_positions.add(position);
sendCoordinate(position);
}));
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.