protected override async Task StartListeningAsync()
{
await base.StartListeningAsync();
SensusContext.Current.MainThreadSynchronizer.ExecuteThreadSafe(() =>
{
if (Beacons.Count > 0)
{
_proximityObserver = new ProximityObserver(new CloudCredentials(EstimoteCloudAppId, EstimoteCloudAppToken), error =>
{
SensusServiceHelper.Get().Logger.Log("Error while initializing proximity observer: " + error, LoggingLevel.Normal, GetType());
});
List <ProximityZone> beaconZones = new List <ProximityZone>();
foreach (EstimoteBeacon beacon in Beacons)
{
ProximityZone beaconZone = new ProximityZone(beacon.Tag, new ProximityRange(beacon.ProximityMeters))
{
OnEnter = async(triggeringDeviceAttachment) =>
{
await StoreDatumAsync(new EstimoteBeaconDatum(DateTimeOffset.UtcNow, beacon, EstimoteBeaconProximityEvent.Entered));
},
OnExit = async(triggeringDeviceAttachment) =>
{
await StoreDatumAsync(new EstimoteBeaconDatum(DateTimeOffset.UtcNow, beacon, EstimoteBeaconProximityEvent.Exited));
}
};
beaconZones.Add(beaconZone);
}
_proximityObserver.StartObservingZones(beaconZones.ToArray());
}
if (Location != null)
{
EILRequestFetchLocation locationFetchRequest = new EILRequestFetchLocation(Location.Identifier);
locationFetchRequest.SendRequest((fetchedLocation, error) =>
{
if (error == null)
{
_foregroundIndoorLocationManager.StartPositionUpdatesForLocation(fetchedLocation);
_backgroundIndoorLocationManager.StartPositionUpdatesForLocation(fetchedLocation);
_indoorLocation = fetchedLocation;
}
else
{
SensusServiceHelper.Get().Logger.Log("Failed to fetch Estimote indoor location: " + error, LoggingLevel.Normal, GetType());
}
});
}
});
}
public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
{
// get your app ID and token on:
// https://cloud.estimote.com/#/apps/add/your-own-app
var creds = new CloudCredentials("app ID", "app token");
observer = new ProximityObserver(creds, (error) =>
{
Debug.WriteLine($"error = {error}");
});
var range = new ProximityRange(1.0);
var zone1 = new ProximityZone("lobby", range)
{
OnEnter = (context) =>
{
Debug.WriteLine($"zone1 enter, context = {context}");
},
OnExit = (context) =>
{
Debug.WriteLine($"zone1 exit, context = {context}");
},
OnContextChange = (contexts) =>
{
Debug.WriteLine($"zone1 contextChange, contexts = {contexts}");
}
};
var zone2 = new ProximityZone("conf-room", range)
{
OnEnter = (context) =>
{
Debug.WriteLine($"zone2 enter, context = {context}");
},
OnExit = (context) =>
{
Debug.WriteLine($"zone2 exit, context = {context}");
},
OnContextChange = (contexts) =>
{
Debug.WriteLine($"zone2 contextChange, contexts = {contexts}");
}
};
observer.StartObservingZones(new ProximityZone[] { zone1, zone2 });
Debug.WriteLine("Proximity all ready to go!");
return(true);
}
// Se sobreescribe el metodo para que solo la primera vez que se suscriban
// se cree lo necesario para que la lib de estimote escanee objetos.
public override IDisposable Subscribe(IObserver <T> observer)
{
if (proximityZone == null)
{
this.proximityZone = this.estimoteProximityObserver
.zoneBuilder()
.forTag(this.tag)
.inCustomRange(base.distance)
.withOnEnterAction((ProximityContext, Unit) => {
// Por cada objeto detectado, llamo a OnObjectDetecte para que publique el evento
this.OnObjectDetected(EventType.OnEnter, ProximityContext.Id);
})
.withOnExitAction((ProximityContext, Unit) => {
// Por cada objeto detectado, llamo a OnObjectDetecte para que publique el evento
this.OnObjectDetected(EventType.OnExit, ProximityContext.Id);
})
.withOnChangeAction((ProximityContext[], Unit >) => {
// Por cada objeto detectado, llamo a OnObjectDetecte para que publique el evento
this.OnObjectDetected(EventType.OnChange, ProximityContext[0].Id);
})
