@Override
public void onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord) {
if (bluetoothCrashResolver != null) {
bluetoothCrashResolver.notifyScannedDevice(device, this);
}
callback.onLeScan(device, rssi, scanRecord);
}
@Override
@TargetApi(18)
public void onDestroy() {
if (android.os.Build.VERSION.SDK_INT < 18) {
Log.w(TAG, "Not supported prior to API 18.");
return;
}
bluetoothCrashResolver.stop();
Log.i(TAG, "onDestroy called. stopping scanning");
handler.removeCallbacksAndMessages(null);
scanLeDevice(false);
if (bluetoothAdapter != null) {
bluetoothAdapter.stopLeScan((BluetoothAdapter.LeScanCallback) getLeScanCallback());
lastScanEndTime = new Date().getTime();
}
}
@Override
public void onCreate() {
Log.i(TAG, "iBeaconService version is starting up");
getBluetoothAdapter();
bluetoothCrashResolver = new BluetoothCrashResolver(this);
bluetoothCrashResolver.start();
// Look for simulated scan data
try {
Class klass = Class.forName("com.radiusnetworks.ibeacon.SimulatedScanData");
java.lang.reflect.Field f = klass.getField("iBeacons");
this.simulatedScanData = (List<IBeacon>) f.get(null);
} catch (ClassNotFoundException e) {
if (IBeaconManager.LOG_DEBUG)
Log.d(TAG, "No com.radiusnetworks.ibeacon.SimulatedScanData class exists.");
} catch (Exception e) {
Log.e(
TAG,
"Cannot get simulated Scan data. Make sure your com.radiusnetworks.ibeacon.SimulatedScanData class defines a field with the signature 'public static List<IBeacon> iBeacons'",
e);
}
}
/**
* default constructor, internally setting up the {@link
* com.radiusnetworks.bluetooth.BluetoothCrashResolver}
*
* @param application parameter, required for the initialization of the {@link
* com.radiusnetworks.bluetooth.BluetoothCrashResolver}
*/
public CrashCallBackWrapper(Context application) {
bluetoothCrashResolver = new BluetoothCrashResolver(application);
bluetoothCrashResolver.start();
}
@TargetApi(18)
private void scanLeDevice(final Boolean enable) {
scanCyclerStarted = true;
if (android.os.Build.VERSION.SDK_INT < 18) {
Log.w(TAG, "Not supported prior to API 18.");
return;
}
if (getBluetoothAdapter() == null) {
Log.e(TAG, "No bluetooth adapter. iBeaconService cannot scan.");
if (simulatedScanData == null) {
Log.w(TAG, "exiting");
return;
} else {
Log.w(TAG, "proceeding with simulated scan data");
}
}
if (enable) {
long millisecondsUntilStart = nextScanStartTime - (new Date().getTime());
if (millisecondsUntilStart > 0) {
if (IBeaconManager.LOG_DEBUG)
Log.d(
TAG,
"Waiting to start next bluetooth scan for another "
+ millisecondsUntilStart
+ " milliseconds");
// Don't actually wait until the next scan time -- only wait up to 1 second. this
// allows us to start scanning sooner if a consumer enters the foreground and expects
// results more quickly
handler.postDelayed(
new Runnable() {
@Override
public void run() {
scanLeDevice(true);
}
},
millisecondsUntilStart > 1000 ? 1000 : millisecondsUntilStart);
return;
}
trackedBeacons = new HashSet<IBeacon>();
trackedBeaconsPacketCount = 0;
if (scanning == false || scanningPaused == true) {
scanning = true;
scanningPaused = false;
try {
if (getBluetoothAdapter() != null) {
if (getBluetoothAdapter().isEnabled()) {
if (bluetoothCrashResolver.isRecoveryInProgress()) {
Log.w(TAG, "Skipping scan because crash recovery is in progress.");
} else {
if (scanningEnabled) {
getBluetoothAdapter()
.startLeScan((BluetoothAdapter.LeScanCallback) getLeScanCallback());
} else {
if (IBeaconManager.LOG_DEBUG)
Log.d(TAG, "Scanning unnecessary - no monitoring or ranging active.");
}
}
lastScanStartTime = new Date().getTime();
} else {
Log.w(TAG, "Bluetooth is disabled. Cannot scan for iBeacons.");
}
}
} catch (Exception e) {
Log.e(
"TAG",
"Exception starting bluetooth scan. Perhaps bluetooth is disabled or unavailable?");
}
} else {
if (IBeaconManager.LOG_DEBUG) Log.d(TAG, "We are already scanning");
}
scanStopTime = (new Date().getTime() + scanPeriod);
scheduleScanStop();
if (IBeaconManager.LOG_DEBUG) Log.d(TAG, "Scan started");
} else {
if (IBeaconManager.LOG_DEBUG) Log.d(TAG, "disabling scan");
scanning = false;
if (getBluetoothAdapter() != null) {
getBluetoothAdapter().stopLeScan((BluetoothAdapter.LeScanCallback) getLeScanCallback());
lastScanEndTime = new Date().getTime();
}
}
}