List of usage examples for android.bluetooth.le ScanCallback ScanCallback
ScanCallback
From source file:com.wolkabout.hexiwear.service.DeviceDiscoveryService.java
@TargetApi(Build.VERSION_CODES.LOLLIPOP) private void startLolipopScan() { lolipopScanCallback = new ScanCallback() { @Override// w w w.j a v a 2 s .c om public void onScanResult(int callbackType, ScanResult result) { super.onScanResult(callbackType, result); final BluetoothDeviceWrapper wrapper = new BluetoothDeviceWrapper(); wrapper.setDevice(result.getDevice()); wrapper.setSignalStrength(result.getRssi()); onDeviceDiscovered(wrapper); } }; bluetoothAdapter.getBluetoothLeScanner().startScan(lolipopScanCallback); }
From source file:com.google.sample.beaconservice.MainActivityFragment.java
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); sharedPreferences = getActivity().getSharedPreferences(Constants.PREFS_NAME, 0); arrayList = new ArrayList<>(); arrayAdapter = new BeaconArrayAdapter(getActivity(), R.layout.beacon_list_item, arrayList); scanCallback = new ScanCallback() { @Override/* w w w . j av a 2 s . c o m*/ public void onScanResult(int callbackType, ScanResult result) { ScanRecord scanRecord = result.getScanRecord(); if (scanRecord == null) { Log.w(TAG, "Null ScanRecord for device " + result.getDevice().getAddress()); return; } byte[] serviceData = scanRecord.getServiceData(EDDYSTONE_SERVICE_UUID); if (serviceData == null) { return; } // We're only interested in the UID frame time since we need the beacon ID to register. if (serviceData[0] != EDDYSTONE_UID_FRAME_TYPE) { return; } // Extract the beacon ID from the service data. Offset 0 is the frame type, 1 is the // Tx power, and the next 16 are the ID. // See https://github.com/google/eddystone/eddystone-uid for more information. byte[] id = Arrays.copyOfRange(serviceData, 2, 18); if (arrayListContainsId(arrayList, id)) { return; } // Draw it immediately and kick off a async request to fetch the registration status, // redrawing when the server returns. Log.i(TAG, "id " + Utils.toHexString(id) + ", rssi " + result.getRssi()); Beacon beacon = new Beacon("EDDYSTONE", id, Beacon.STATUS_UNSPECIFIED, result.getRssi()); insertIntoListAndFetchStatus(beacon); } @Override public void onScanFailed(int errorCode) { Log.e(TAG, "onScanFailed errorCode " + errorCode); } }; createScanner(); }
From source file:io.v.android.libs.discovery.ble.BlePlugin.java
private void updateScanning() { if (isScanning && scanCancellationThreads.size() == 0) { isScanning = false;// w w w. j av a 2s. c om bluetoothLeScanner.stopScan(scanCallback); return; } if (!isScanning && scanCancellationThreads.size() > 0) { isScanning = true; ScanFilter.Builder builder = new ScanFilter.Builder(); byte[] manufacturerData = {}; byte[] manufacturerMask = {}; builder.setManufacturerData(1001, manufacturerData, manufacturerMask); final List<ScanFilter> scanFilter = new ArrayList<>(); scanFilter.add(builder.build()); scanCallback = new ScanCallback() { @Override public void onScanResult(int callbackType, ScanResult result) { // in L the only value for callbackType is CALLBACK_TYPE_ALL_MATCHES, so // we don't look at its value. ScanRecord record = result.getScanRecord(); // Use 1001 to denote that this is a Vanadium device. We picked an id that is // currently not in use. byte[] data = record.getManufacturerSpecificData(1001); ByteBuffer buffer = ByteBuffer.wrap(data); final long hash = buffer.getLong(); final String deviceId = result.getDevice().getAddress(); if (cachedDevices.haveSeenHash(hash, deviceId)) { return; } synchronized (scannerLock) { if (pendingCalls.contains(deviceId)) { Log.d("vanadium", "not connecting to " + deviceId + " because of pending connection"); return; } pendingCalls.add(deviceId); } BluetoothGattClientCallback.Callback ccb = new BluetoothGattClientCallback.Callback() { @Override public void handle(Map<UUID, Map<UUID, byte[]>> services) { Set<Advertisement> advs = new HashSet<>(); for (Map.Entry<UUID, Map<UUID, byte[]>> entry : services.entrySet()) { try { Advertisement adv = BleAdvertisementConverter .bleAttrToVAdvertisement(entry.getValue()); advs.add(adv); } catch (IOException e) { Log.e("vanadium", "Failed to convert advertisement" + e); } } cachedDevices.saveDevice(hash, advs, deviceId); synchronized (scannerLock) { pendingCalls.remove(deviceId); } bluetoothLeScanner.startScan(scanFilter, new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_BALANCED).build(), scanCallback); } }; BluetoothGattClientCallback cb = new BluetoothGattClientCallback(ccb); bluetoothLeScanner.stopScan(scanCallback); Log.d("vanadium", "connecting to " + result.getDevice()); result.getDevice().connectGatt(androidContext, false, cb); } @Override public void onBatchScanResults(List<ScanResult> results) { } @Override public void onScanFailed(int errorCode) { } }; bluetoothLeScanner.startScan(scanFilter, new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_BALANCED).build(), scanCallback); } }
From source file:io.v.android.impl.google.discovery.plugins.ble.Driver.java
private synchronized void startBluetoothLeScanner() { if (mLeScanner == null) { return;/* w ww . j a v a 2s .co m*/ } ImmutableList.Builder<ScanFilter> builder = new ImmutableList.Builder(); for (UUID uuid : mScanUuids) { builder.add(new ScanFilter.Builder().setServiceUuid(new ParcelUuid(uuid)).build()); } List<ScanFilter> filters = builder.build(); ScanSettings settings = new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_BALANCED).build(); // ScanFilter doesn't work with startScan() if there are too many - more than 63bits - ignore // bits. So we call startScan() without a scan filter for base/mask uuids and match scan results // against it. final ScanFilter matcher = new ScanFilter.Builder().setServiceUuid(mScanBaseUuid, mScanMaskUuid).build(); mLeScanCallback = new ScanCallback() { @Override public void onScanResult(int callbackType, ScanResult result) { if (callbackType == ScanSettings.CALLBACK_TYPE_MATCH_LOST) { // This callback will never be called with this callback type, since the // scan setting is for CALLBACK_TYPE_ALL_MATCHES. But just for safety. return; } if (!matcher.matches(result)) { return; } BluetoothDevice device = result.getDevice(); synchronized (Driver.this) { if (mScanSeens != null && mScanSeens.put(device, result.getRssi()) == null) { mGattReader.readDevice(device); } } } @Override public void onScanFailed(int errorCode) { Log.e(TAG, "startScan failed: " + errorCode); } }; mLeScanner.startScan(filters, settings, mLeScanCallback); }
From source file:com.nbplus.iotapp.bluetooth.BluetoothLeService.java
/** * Initializes a reference to the local Bluetooth adapter. * * @return Return true if the initialization is successful. *///from w w w . ja v a 2 s . c om @SuppressLint("NewApi") public IoTResultCodes initialize() { // Use this check to determine whether BLE is supported on the device. Then you can // selectively disable BLE-related features. if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) { Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show(); //finish(); return IoTResultCodes.BLE_NOT_SUPPORTED; } // Initializes a Bluetooth adapter. For API level 18 and above, get a reference to // BluetoothAdapter through BluetoothManager. if (mBluetoothManager == null) { mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); if (mBluetoothManager == null) { Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show(); Log.e(TAG, "Unable to initialize BluetoothManager."); return IoTResultCodes.BLUETOOTH_NOT_SUPPORTED; } } mBluetoothAdapter = mBluetoothManager.getAdapter(); // Checks if Bluetooth is supported on the device. if (mBluetoothAdapter == null) { Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show(); Log.e(TAG, "Unable to obtain a BluetoothAdapter."); //finish(); return IoTResultCodes.BLUETOOTH_NOT_SUPPORTED; } // Ensures Bluetooth is enabled on the device. If Bluetooth is not currently enabled, // fire an intent to display a dialog asking the user to grant permission to enable it. if (!mBluetoothAdapter.isEnabled()) { return IoTResultCodes.BLUETOOTH_NOT_ENABLED; } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { mLeScanLollipopCallback = new ScanCallback() { @Override public void onScanResult(int callbackType, ScanResult result) { //super.onScanResult(callbackType, result); try { BluetoothDevice device = result.getDevice(); byte[] scanRecord = result.getScanRecord().getBytes(); final HashMap<Integer, AdRecord> adRecords = AdRecord.parseScanRecord(scanRecord); /** * UUID ? . */ ArrayList<String> scannedUuids = DataParser.getUuids(adRecords); if (scannedUuids == null || scannedUuids.size() == 0) { Log.e(TAG, ">>> xx device name " + device.getAddress() + " has no uuid advertisement"); return; } IoTDevice iotDevice = new IoTDevice(); iotDevice.setDeviceId(device.getAddress()); iotDevice.setDeviceName(device.getName()); iotDevice.setDeviceType(IoTDevice.DEVICE_TYPE_STRING_BT); iotDevice.setUuids(scannedUuids); iotDevice.setUuidLen(DataParser.getUuidLength(adRecords)); iotDevice.setAdRecordHashMap(adRecords); mTempScanedList.put(iotDevice.getDeviceId(), iotDevice); } catch (Exception e) { e.printStackTrace(); } } @Override public void onBatchScanResults(List<ScanResult> results) { //super.onBatchScanResults(results); Log.d(TAG, "mScanCallback.. onBatchScanResults"); } @Override public void onScanFailed(int errorCode) { //super.onScanFailed(errorCode); Log.d(TAG, "mScanCallback.. onScanFailed"); } }; } else { mLeScanKitkatCallback = new BluetoothAdapter.LeScanCallback() { @Override public void onLeScan(final BluetoothDevice device, int rssi, byte[] scanRecord) { Log.d(TAG, ">> mLeScanKitkatCallback.."); try { final HashMap<Integer, AdRecord> adRecords = AdRecord.parseScanRecord(scanRecord); /** * UUID ? . */ ArrayList<String> scannedUuids = DataParser.getUuids(adRecords); if (scannedUuids == null || scannedUuids.size() == 0) { Log.e(TAG, ">>> xx device name " + device.getAddress() + " has no uuid advertisement"); return; } IoTDevice iotDevice = new IoTDevice(); iotDevice.setDeviceId(device.getAddress()); iotDevice.setDeviceName(device.getName()); iotDevice.setDeviceType(IoTDevice.DEVICE_TYPE_STRING_BT); iotDevice.setUuids(scannedUuids); iotDevice.setUuidLen(DataParser.getUuidLength(adRecords)); iotDevice.setAdRecordHashMap(adRecords); mTempScanedList.put(iotDevice.getDeviceId(), iotDevice); } catch (Exception e) { e.printStackTrace(); } } }; } return IoTResultCodes.SUCCESS; }