private async void geo_PositionChanged(Geolocator sender, PositionChangedEventArgs args)
{
currentGeoPosition = args.Position;
double updateDistance = 0;
var lat = currentGeoPosition.Coordinate.Point.Position.Latitude;
var lng = currentGeoPosition.Coordinate.Point.Position.Longitude;
if (Util.UserProfileData.StartPlace == null)
{
await cd.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
await SetLocationDetails(currentGeoPosition);
});
}
else
{
if (Util.UserProfileData.StartPlace.Latitude == -1 ||
Util.UserProfileData.StartPlace.Longitude == -1 ||
(Util.UserProfileData.StartPlace.Latitude == lat &&
Util.UserProfileData.StartPlace.Longitude == lng))
{
updateDistance = 0;
}
else
{
updateDistance = CalculateDistance(Util.UserProfileData.StartPlace.Latitude, Util.UserProfileData.StartPlace.Longitude, lat, lng);
}
}
if (updateDistance >= 200) //>=1km
{
await cd.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
if (string.Compare(Util.UserProfileData.CurrentPlace.CityLocation, Util.UserProfileData.StartPlace.CityLocation, StringComparison.OrdinalIgnoreCase) != 0) //User moved to different place
{
Util.UserProfileData.HasMoved = false;
SampleDataSource.ClearGroups();
//this will trigger to load new data items, not from cache
NavigationHelper.NavigateToPage(typeof(UserProfile));
await NotificationManager.HandleErrorMessageWithToaster("City or Region location has been changed, apps data has been reset", "City location has been changed");
}
else
{
Util.UserProfileData.HasMoved = true;
//call our service to get type/category details for this current lat, long position, if matched add to user visting places
//restart timer,
//calculate await time or duration
stopWatch.Restart();
durationTimer.Stop();
durationTimer.Start();
}
});
}
}
void timer_Tick(object sender, object e)
{
if (!Util.IsAuthenticated())
{
TravAppGeoProcessor.Instance.Unsubscribe();
WebSocketCommunicator.Instance.CloseAndDispose();
SampleDataSource.ClearGroups();
Util.SetUserProfile(new DataModel.UserData());
NavigationHelper.NavigateToPage(typeof(MainPage));
}
}