protected async override void OnAppearing()
{
base.OnAppearing();
var locator = CrossGeolocator.Current;
var position = await locator.GetPositionAsync();
var venues = await VenueLogic.GetVenuesAsync(position.Latitude, position.Longitude);
venueListView.ItemsSource = venues;
}
protected override async void OnAppearing()
{
base.OnAppearing();
//gets the user current location from the Geolocator obj
var locator = CrossGeolocator.Current;
var position = await locator.GetPositionAsync();
//uses the venuelogic class to build a list from the json source script
var venues = await VenueLogic.GetVenuesAsync(position.Latitude, position.Longitude);
//sets the itemsource to display the data in the listview control
venuelistview.ItemsSource = venues;
}