关于地理位置：打开定位服务而不导航到设置页面？dart

Turn on location services without navigating to settings page ? Flutter Dart

我们正在从 Flutter 迁移。我们使用此线程打开位置服务而不导航到设置页面

这在 Flutter 中如何实现？

导航到设置的当前临时代码：

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Future _getCurrentLocation() async {
Position position;
try {
position = await Geolocator().getCurrentPosition(
desiredAccuracy: LocationAccuracy.bestForNavigation);
} on PlatformException catch(e){
print(e.code);
if(e.code =='PERMISSION_DISABLED'){
print('Opening settings');
await openLocationSetting();
try {
position = await Geolocator().getCurrentPosition(
desiredAccuracy: LocationAccuracy.bestForNavigation);
} on PlatformException catch(e){
print(e.code);
}
}
}

setState(() {
// _center = LatLng(currentLocation['latitude'], currentLocation['longitude']);
_center = LatLng(position.latitude, position.longitude);
});
}
Future openLocationSetting() async {
final AndroidIntent intent = new AndroidIntent(
action: 'android.settings.LOCATION_SOURCE_SETTINGS',
);
await intent.launch();

}

相关讨论

在屏幕主体中添加地图

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@override
Widget build(BuildContext context) {
return Scaffold(
body: Builder(
builder: (context) => Stack(
children: [
GoogleMap(
scrollGesturesEnabled: true,
tiltGesturesEnabled: true,
rotateGesturesEnabled: true,
mapToolbarEnabled: true,
mapType: MapType.normal,
onTap: _placeMarker,
onMapCreated: _onMapCreated,
markers: Set.from(myMarker),
initialCameraPosition: CameraPosition(
target: _center,
zoom: 5.0,
),
),
Padding(
padding: (EdgeInsets.symmetric(horizontal: 16, vertical: 40)),
child: Align(
alignment: Alignment.topRight,
child: Column(
children: [
CircleAvatar(
radius: 30,
child: IconButton(
onPressed: () {
navigate(context);
},
icon: Icon(
Icons.done,
color: Colors.white,
),
),
),
SizedBox(
height: 10,
),
CircleAvatar(
radius: 30,
child: IconButton(
onPressed: **getLocation**,
icon: Icon(
Icons.location_on,
color: Colors.white,
),
),
)
],
),
),
),
Padding(
padding: (EdgeInsets.symmetric(horizontal: 16, vertical: 40)),
child: Align(
alignment: Alignment.topLeft,
child: Column(
children: [
CircleAvatar(
radius: 30,
child: IconButton(
onPressed: () {
Navigator.pop(context);
},
icon: Icon(
Icons.chevron_left,
color: Colors.white,
),
),
),
SizedBox(
height: 10,
),
],
),
),
)
],
),
));
}

getLocation() async {
position = await Geolocator.getCurrentPosition(
desiredAccuracy: LocationAccuracy.high);
print(position);
mapController.animateCamera(CameraUpdate.newCameraPosition(CameraPosition(
target: LatLng(position.latitude, position.longitude),
zoom: 18,
tilt: 36)));
}

此代码将在主屏幕中初始化谷歌地图，如果位置被关闭，则会弹出一个警告框询问权限，然后它将自动打开

你可以使用定位包，你只需要在你的AndroidManifest.xml和Info.plist文件中添加所需的权限，权限会在弹出窗口中询问。