**

你试过这个吗？

**

serviceEnabled = await Geolocator.isLocationServiceEnabled();

    if (serviceEnabled) {
      serviceEnabled = true;
    } else {
      serviceEnabled = false;
    }

    LocationPermission _permission = await Geolocator.checkPermission();

    if (_permission == LocationPermission.denied) {
      _permission = await Geolocator.requestPermission();
      if (_permission == LocationPermission.always || _permission == LocationPermission.whileInUse) {
        permissionGranted = true;
      } else {
        permissionGranted = false;
      }
    } else {
      if (_permission == LocationPermission.always || _permission == LocationPermission.whileInUse) {
        permissionGranted = true;
      } else {
        permissionGranted = false;
      }
    }

    if (serviceEnabled && permissionGranted) {
      try {
        locationData = await Geolocator.getCurrentPosition(desiredAccuracy: LocationAccuracy.bestForNavigation, timeLimit: const Duration(seconds: 4));
      } catch (e) {}
    }