protected IObservable <Beacon> Scan()
{
// TODO: switch to background scan
this.beaconScanner = this.beaconScanner ?? this.adapter
.Scan()
.Where(x => Beacon.IsIBeaconPacket(x.AdvertisementData?.ManufacturerData))
.Select(x => Beacon.Parse(x.AdvertisementData.ManufacturerData, x.Rssi))
.Publish()
.RefCount();
return(this.beaconScanner);
}
IObservable <Beacon> Scan()
{
// TODO: switch to background scan
this.beaconScanner = this.beaconScanner ?? Observable
.Create <Beacon>(ob => this.adapter
.Scan()
.Subscribe(sr =>
{
var md = sr.AdvertisementData?.ManufacturerData;
if (md != null && Beacon.IsIBeaconPacket(md))
{
var beacon = Beacon.Parse(md, sr.Rssi);
ob.OnNext(beacon);
}
})
)
.Publish()
.RefCount();
return(this.beaconScanner);
}