<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="LoginApp.Droid.Views.LocationPage"
             NavigationPage.HasNavigationBar="False"
             BackgroundColor="#E5FFC4"
             Loaded="LocationPage_Loaded">

private async void LocationPage_Loaded(object sender, EventArgs e)
{
    var locator = CrossGeolocator.Current;
    locator.DesiredAccuracy = 50;

    var position = await locator.GetPositionAsync(TimeSpan.FromMinutes(3), includeHeading: true);

    Entry_Longitude.Text = position.Longitude.ToString();

    Entry_Latitude.Text = position.Latitude.ToString();

}