public override void OnNavigatedTo(INavigationParameters parameters)
{
base.OnNavigatedTo(parameters);
if (string.IsNullOrEmpty(Search))
{
PoIs = new ObservableCollection <PointOfInterest>(_PoIService.GetAllPoI().OrderBy(poi => poi.Date));
BasePoIs = PoIs;
}
}
async void CallingGPS()
{
var liste = poiservice.GetAllPoI();
for (int i = 0; i < liste.Count; i++)
{
if (liste[i].latitude != 0 && liste[i].longitude != 0)
{
Pin pin = new Pin
{
Type = PinType.Place,
Position = new Position(liste[i].latitude, liste[i].longitude),
Label = liste[i].Name,
Address = "#" + liste[i].Tag,
BindingContext = liste[i],
};
pin.Clicked += (sender, args) =>
{
var param = new NavigationParameters()
{
{ "poi", pin.BindingContext },
{ "source", "map" }
};
NavigationService.NavigateAsync("PoIDetail", param);
};
Map.Pins.Add(pin);
}
}
var locator = CrossGeolocator.Current;
Position position;
locator.DesiredAccuracy = 120;
if (!CrossGeolocator.IsSupported)
{
position = new Position();
}
if (!CrossGeolocator.Current.IsGeolocationEnabled)
{
position = new Position();
}
if (!CrossGeolocator.Current.IsGeolocationAvailable)
{
position = new Position();
}
try
{
var ex = await locator.GetPositionAsync(TimeSpan.FromSeconds(10), null, false);
position = new Position(ex.Latitude, ex.Longitude);
}
catch (Exception e)
{
if (liste.Count > 0)
{
position = new Position(liste.FirstOrDefault().latitude, liste.FirstOrDefault().longitude);
}
else
{
position = new Position();
}
}
Map.MoveToRegion(MapSpan.FromCenterAndRadius(position, Distance.FromMiles(1)));
}