Xamarin.forms CrossGeolocator.Current.IsGeolocationEnabled始终返回false

我的要求是从gps获取纬度和经度，在我更新NuGet软件包和android sdk之前，它一直在工作。即使位置服务仍然打开，我也无法访问该位置

var定位器=CrossGeolocator.Current

        if (locator.IsGeolocationEnabled)
        {               
                locator.DesiredAccuracy = 15;
                var position = await 
                locator.GetPositionAsync(TimeSpan.FromMilliseconds(3000));
                Latitude = position.Latitude;
                Longitude = position.Longitude;

        }

这里if语句返回的总是false

我的AndroidManifest看起来像这样

---

您可能正在使用过时的xamarin forms>4.0回购协议。此项目已移至Xamarin.Essentials。我强烈建议使用这个

然后在代码中可以使用

    internal static async Task<Location> GetDeviceLocation()
    {
        try
        {
            var request = new GeolocationRequest(GeolocationAccuracy.Medium);
            var location = await Geolocation.GetLocationAsync(request);
            return location;
        }
        catch (Exception ex)
        {
            Helpers.ShowError("could not locate device: " + ex.Message, 6000);
        }

        return null;
    }

---

您必须使用才能访问GPS，仅在清单中定义权限将不允许您使用GPS Ref：谢谢，我如何知道设备GPS是打开还是关闭？除了try catch之外，是否有其他方法检查第一个功能是否已启用？

try
{
    var location = await Geolocation.GetLastKnownLocationAsync();

    if (location != null)
    {
        Console.WriteLine($"Latitude: {location.Latitude}, Longitude: {location.Longitude}, Altitude: {location.Altitude}");
    }
}
catch (FeatureNotSupportedException fnsEx)
{
    // Handle not supported on device exception
}
catch (FeatureNotEnabledException fneEx)
{
    // Handle not enabled on device exception
}
catch (PermissionException pEx)
{
    // Handle permission exception
}
catch (Exception ex)
{
    // Unable to get location
}