public void UpdateAlert(Alert alert, bool disable)
{
if (disable)
{
_alertService.DisableAlert(alert);
DependencyService.Get <INotificationService>().RemoveLocationNotification(alert);
DependencyService.Get <IToastService>().ShortMessage("Alert disabled");
Refresh.Execute(null);
}
else
{
alert.State = AlertState.Pending;
_alertService.ActivateAlert(alert);
var location = _locationService.GetLocationById(alert.LocationID);
var notification = new LocationNotification
{
Id = alert.Id,
Title = alert.Title,
Body = alert.Description,
Position = new Xamarin.Forms.Maps.Position(location.Latitude, location.Longitude),
Radius = 30
};
DependencyService.Get <INotificationService>().ScheduleLocationNotification(notification);
DependencyService.Get <IToastService>().ShortMessage("Alert reactivated");
Refresh.Execute(null);
}
}
public LocationNotification ScheduleLocationNotification(LocationNotification locationNotification)
{
try
{
Intent intent = new Intent(Android.App.Application.Context, typeof(NotificationSender));
intent.PutExtra("ID", locationNotification.Id);
intent.PutExtra("Title", locationNotification.Title);
intent.PutExtra("Body", locationNotification.Body);
intent.PutExtra("Type", "LocationNotification");
var latitude = locationNotification.Position.Latitude;
var longitude = locationNotification.Position.Longitude;
var radius = locationNotification.Radius;
PendingIntent broadcast = PendingIntent.GetBroadcast(Android.App.Application.Context,
locationNotification.Id,
intent,
PendingIntentFlags.UpdateCurrent);
LocationManager locationManager = (LocationManager)Android.App.Application.Context.GetSystemService(LocationService);
locationManager.AddProximityAlert(latitude, longitude, radius, -1, broadcast);
return(locationNotification);
}
catch (Exception)
{
return(null);
}
}