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Merge pull request #219 from louisg1337/android_bluetooth
🤖🛜 Android BLE Integration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package edu.berkeley.eecs.emission.cordova.tracker.bluetooth; | ||
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| // Android imports | ||
| import android.app.Service; | ||
| import android.content.Intent; | ||
| import android.os.IBinder; | ||
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| // Altbeacon imports | ||
| import org.altbeacon.beacon.BeaconManager; | ||
| import org.altbeacon.beacon.Region; | ||
| import org.altbeacon.beacon.MonitorNotifier; | ||
| import org.altbeacon.beacon.Beacon; | ||
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| // Other plugin imports | ||
| import edu.berkeley.eecs.emission.R; | ||
| import edu.berkeley.eecs.emission.cordova.unifiedlogger.Log; | ||
| import edu.berkeley.eecs.emission.cordova.tracker.ExplicitIntent; | ||
| import edu.berkeley.eecs.emission.cordova.tracker.verification.SensorControlChecks; | ||
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| public class BluetoothMonitoringService extends Service { | ||
| private static String TAG = "BluetoothMonitoringService"; | ||
| private BeaconManager beaconManager; | ||
| private String uuid = "bf3df3b1-6e46-35fa-86e5-927c95dd096c"; | ||
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| @Override | ||
| public int onStartCommand(Intent intent, int flags, int startId) { | ||
| Log.d(this, TAG, "onStartCommand called!!!!"); | ||
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| // Instantiate variable | ||
| beaconManager = BeaconManager.getInstanceForApplication(this); | ||
| // This line will ensure that we always get a first callback if beacon is in region when we start monitoring | ||
| // https://github.com/AltBeacon/android-beacon-library/issues/708#issuecomment-399513853 | ||
| beaconManager.setRegionStatePersistenceEnabled(false); | ||
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| // Start monitoring for BLE beacons | ||
| startMonitoring(); | ||
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| // Start sticky | ||
| return 1; | ||
| } | ||
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| @Override | ||
| public IBinder onBind(Intent intent) { | ||
| return null; | ||
| } | ||
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| private void startMonitoring() { | ||
| Log.d(this, TAG, "Start monitoring has been called!"); | ||
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| // Code to start monitoring for BLE beacons using AltBeacon library | ||
| beaconManager.addMonitorNotifier(new MonitorNotifier() { | ||
| @Override | ||
| public void didEnterRegion(Region region) { | ||
| Log.d(BluetoothMonitoringService.this, TAG, "I just saw a beacon for the first time!"); | ||
| } | ||
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| @Override | ||
| public void didExitRegion(Region region) { | ||
| Log.d(BluetoothMonitoringService.this, TAG, "I no longer see an beacon"); | ||
| } | ||
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| @Override | ||
| public void didDetermineStateForRegion(int state, Region region) { | ||
| Log.d(BluetoothMonitoringService.this, TAG, "I have just switched from seeing/not seeing beacons: "+state); | ||
| } | ||
| }); | ||
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| // Define our region and start monitoring | ||
| Region region = new Region(uuid, null, null, null); | ||
| beaconManager.startMonitoring(region); | ||
| Log.d(this, TAG, "Starting to monitor for our region: " + region.toString()); | ||
| } | ||
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| @Override | ||
| public void onDestroy() { | ||
| stopMonitoring(); | ||
| super.onDestroy(); | ||
| } | ||
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| private void stopMonitoring() { | ||
| Log.d(this, TAG, "Stopping monitoring for the beacon."); | ||
| beaconManager.stopMonitoring(new Region(uuid, null, null, null)); | ||
| beaconManager.removeAllMonitorNotifiers(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| package edu.berkeley.eecs.emission.cordova.tracker.bluetooth; | ||
|
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| // Android imports | ||
| import android.app.Service; | ||
| import android.content.Intent; | ||
| import android.os.IBinder; | ||
| import java.util.Collection; | ||
| import java.util.Set; | ||
| import java.util.HashSet; | ||
|
|
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| // Altbeacon imports | ||
| import org.altbeacon.beacon.BeaconManager; | ||
| import org.altbeacon.beacon.Region; | ||
| import org.altbeacon.beacon.RangeNotifier; | ||
| import org.altbeacon.beacon.Beacon; | ||
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| // Other plugin imports | ||
| import edu.berkeley.eecs.emission.R; | ||
| import edu.berkeley.eecs.emission.cordova.unifiedlogger.Log; | ||
| import edu.berkeley.eecs.emission.cordova.tracker.ExplicitIntent; | ||
| import edu.berkeley.eecs.emission.cordova.tracker.verification.SensorControlChecks; | ||
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| // Saving data | ||
| import edu.berkeley.eecs.emission.cordova.usercache.UserCacheFactory; | ||
| import edu.berkeley.eecs.emission.cordova.tracker.wrapper.BluetoothBLE; | ||
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| public class BluetoothService extends Service { | ||
| private static String TAG = "BluetoothService"; | ||
| private BeaconManager beaconManager; | ||
| private Set<Beacon> scanned; | ||
| private String uuid = "bf3df3b1-6e46-35fa-86e5-927c95dd096c"; | ||
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| @Override | ||
| public int onStartCommand(Intent intent, int flags, int startId) { | ||
| Log.d(this, TAG, "onStartCommand called!!!!"); | ||
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| // Instantiate variables | ||
| beaconManager = BeaconManager.getInstanceForApplication(this); | ||
| scanned = new HashSet<>(); | ||
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| // Check to see if we even have permission to scan at all | ||
| boolean bluetoothPermissions = SensorControlChecks.checkBluetoothScanningPermissions(this); | ||
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| if (!bluetoothPermissions) { | ||
| return 1; | ||
| } | ||
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| // Start scanning for BLE beacons | ||
| startBeaconScan(); | ||
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| // Start sticky | ||
| return 1; | ||
| } | ||
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| // @Nullable | ||
| @Override | ||
| public IBinder onBind(Intent intent) { | ||
| return null; | ||
| } | ||
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| private void isInRange() { | ||
| Log.d(this, TAG, "Is in range has been called!"); | ||
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| stopBeaconScan(); | ||
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| Log.d(this, TAG, "Done waiting, results are... " + scanned.size()); | ||
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| if (scanned.size() > 0) { | ||
| Log.d(this, TAG, "Found something!"); | ||
| Log.d(this, TAG, scanned.toString()); | ||
| this.sendBroadcast(new ExplicitIntent(this, R.string.transition_ble_beacon_found)); | ||
| } | ||
| onDestroy(); | ||
| } | ||
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| private void startBeaconScan() { | ||
| // Code to start scanning for BLE beacons using AltBeacon library | ||
| Log.d(this, TAG, "startBeaconScan called!!!!"); | ||
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| // Keep track of how many times we have scanned | ||
| beaconManager.addRangeNotifier(new RangeNotifier() { | ||
| int numScans = 0; | ||
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| @Override | ||
| public void didRangeBeaconsInRegion(Collection<Beacon> beacons, Region region) { | ||
| Log.d(BluetoothService.this, TAG, "Range notifier called..."); | ||
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| if (beacons.size() > 0) { | ||
| Log.d(BluetoothService.this, TAG, "Found beacons " + beacons.toString()); | ||
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| for (Beacon beacon : beacons) { | ||
| // Even though we are scanning for beacons in a certain region, beacons with different UUID's still come up. | ||
| // Until we figure out why that is the case, put this check in place so we only save the ones with the right UUID. | ||
| if (beacon.getId1().toString().equals(uuid)) { | ||
| scanned.add(beacon); | ||
| BluetoothBLE currWrapper = BluetoothBLE.initRangeUpdate( | ||
| beacon.getId1().toString(), | ||
| System.currentTimeMillis() / 1000, // timestamp in always in secs for us | ||
| beacon.getId2().toInt(), | ||
| beacon.getId3().toInt(), | ||
| // TODO: Figure out what to do with the distance calculations | ||
| "ProximityNear", | ||
| // accuracy = rough distance estimate limited to two decimal places (in metres) | ||
| // NO NOT ASSUME THIS IS ACCURATE - it is effected by radio interference and obstacles | ||
| // from https://github.com/petermetz/cordova-plugin-ibeacon | ||
| Math.round((beacon.getDistance() * 100)/100), | ||
| beacon.getRssi()); | ||
| UserCacheFactory.getUserCache(BluetoothService.this) | ||
| .putSensorData(R.string.key_usercache_bluetooth_ble, currWrapper); | ||
| } | ||
| } | ||
| } | ||
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| numScans++; | ||
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| if (numScans >= 4) { | ||
| // Once we have hit certain number of scans, stop and determine if any beacons are in range | ||
| isInRange(); | ||
| } | ||
| } | ||
| }); | ||
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| beaconManager.startRangingBeacons(new Region(uuid, null, null, null)); | ||
| } | ||
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| @Override | ||
| public void onDestroy() { | ||
| // stopBeaconScan(); | ||
| super.onDestroy(); | ||
| } | ||
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| private void stopBeaconScan() { | ||
| Log.d(this, TAG, "Stopping monitoring for the beacon."); | ||
| beaconManager.stopRangingBeacons(new Region(uuid, null, null, null)); | ||
| beaconManager.removeAllRangeNotifiers(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| repositories { | ||
| mavenCentral() | ||
| } | ||
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| dependencies { | ||
| implementation 'org.altbeacon:android-beacon-library:2.19' | ||
| } |
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