Ranging for beacons from an Android service

BLE Beacons
1

I’m trying to start the ranging operation from within an android service. I get the following exception when I call the connect method of BeaconManager
android.app.ServiceConnectionLeaked: Service com.honeywell.beaconzone.RelayZoneDataService has leaked ServiceConnection com.estimote.sdk.BeaconManager$InternalServiceConnection@426034c8 that was originally bound here
at android.app.LoadedApk$ServiceDispatcher.(LoadedApk.java:970)
at android.app.LoadedApk.getServiceDispatcher(LoadedApk.java:864)
at android.app.ContextImpl.bindServiceCommon(ContextImpl.java:1569)
at android.app.ContextImpl.bindService(ContextImpl.java:1552)
at android.content.ContextWrapper.bindService(ContextWrapper.java:517)
at com.estimote.sdk.BeaconManager.connect(BeaconManager.java:223)
at com.honeywell.beaconzone.RelayZoneDataService.startRanging(RelayZoneDataService.java:187)
at com.honeywell.beaconzone.RelayZoneDataService.onHandleIntent(RelayZoneDataService.java:152)
at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.os.HandlerThread.run(HandlerThread.java:61)

Should I be defining something in my manifest file? Is Ranging allowed from within an Android service?
What does this exception mean?

2

That usually means that you haven’t called disconnect() on BeaconManager when your service was being shutdown.

3

@Aaron_Dsouza Can you share your service class.This is the service class i am using now

public class BeaconsMonitoringService extends Service  {

	private BeaconManager beaconManager;
	private static final String PROXIMITY_UUID_1 = "lmno";
//	private static final String PROXIMITY_UUID_2 = "xyz";

	private static final Region BEACONS = new Region("cx",
			PROXIMITY_UUID_1, null, null);

	@Override
	public int onStartCommand(Intent intent, int flags, int startId) {

		if (beaconManager.isBluetoothEnabled()) {
			connectToService();
		}
		return Service.START_STICKY;

	}

	private void connectToService() {
		beaconManager.connect(new BeaconManager.ServiceReadyCallback() {
			@Override
			public void onServiceReady() {
				try {
					L.enableDebugLogging(true);
//					for (Region region : BEACONS) {
//						beaconManager.startRanging(region);// for collection of Beacons!!
//					}
					beaconManager.startRanging(BEACONS);
				} catch (RemoteException e) {
					Log.e("BeaconsMonitoringService",
							"Cannot start ranging, something terrible happened");
					Log.e("BeaconsMonitoringService", "Cannot start ranging", e);
				}
			}
		});
	}

	@Override
	public void onCreate() {
		super.onCreate();
		beaconManager = new BeaconManager(this);
		beaconManager.setBackgroundScanPeriod(TimeUnit.SECONDS.toMillis(5),TimeUnit.SECONDS.toMillis(5));
		beaconManager.setForegroundScanPeriod(TimeUnit.SECONDS.toMillis(5), TimeUnit.SECONDS.toMillis(5));
		beaconManager.setRangingListener(new BeaconManager.RangingListener() {

			@Override
			public void onBeaconsDiscovered(Region region,
			                                List<Beacon> beacons) {
				if(beacons.size()<=0){
					Toast.makeText(getApplicationContext(), "No beacon found",
							Toast.LENGTH_SHORT).show();
				}else{
					for (int i = 0; i < beacons.size(); i++) {
						String beac=beacons.get(i).getProximityUUID();
						Toast.makeText(getApplicationContext(), "I found a beacon with UUID; "+beac,
								Toast.LENGTH_SHORT).show();
					}
				}

			}
		});

	}

	@Override
	public IBinder onBind(Intent intent) {
		return null;
	}

	@Override
	public void onDestroy() {

		super.onDestroy();
	}

}

Is the above code correct or should i use startMonitoringListener.I am getting values from RangingListener also.
@Witek.Is there anything else i need to do?Confused thats all.Thanks

4

I want to listen for beacon in background and here I’m listening using monitoring. [MonitoringListener]
And yes its working. But when I do post the data to the server on entering the beacon region(onRegionEntered), the monitoring listener stops monitoring.

Suggest steps, if anyone had fixed this.

Thanks.

5

Can you share code snippet?

How do you notice that it stopped monitoring?