public void StopScan()
{
if (this.callbacks == null)
{
return;
}
this.Manager.Adapter.BluetoothLeScanner?.StopScan(this.callbacks);
this.callbacks = null;
}
public IObservable <IScanResult> Scan(ScanConfig config) => Observable.Create <ScanResult>(ob =>
{
this.devices.Clear();
this.callbacks = new LollipopScanCallback(sr =>
{
var scanResult = this.ToScanResult(sr.Device, sr.Rssi, new AdvertisementData(sr));
ob.OnNext(scanResult);
});
var builder = new ScanSettings.Builder();
var scanMode = this.ToNative(config.ScanType);
builder.SetScanMode(scanMode);
var scanFilters = new List <ScanFilter>();
if (config.ServiceUuids != null && config.ServiceUuids.Count > 0)
{
foreach (var guid in config.ServiceUuids)
{
var uuid = guid.ToParcelUuid();
scanFilters.Add(new ScanFilter.Builder()
.SetServiceUuid(uuid)
.Build()
);
}
}
if (config.AndroidUseScanBatching && this.Manager.Adapter.IsOffloadedScanBatchingSupported)
{
builder.SetReportDelay(100);
}
this.Manager.Adapter.BluetoothLeScanner.StartScan(
scanFilters,
builder.Build(),
this.callbacks
);
return(() => this.Manager.Adapter.BluetoothLeScanner?.StopScan(this.callbacks));
});