Examples with ScanFilter android.bluetooth.le.ScanFilter used on opensource projects

Example 26 with ScanFilter

use of android.bluetooth.le.ScanFilter in project android_frameworks_base by crdroidandroid.

the class KeyboardUI method startScanning.

private void startScanning() {
    BluetoothLeScanner scanner = mLocalBluetoothAdapter.getBluetoothLeScanner();
    ScanFilter filter = (new ScanFilter.Builder()).setDeviceName(mKeyboardName).build();
    ScanSettings settings = (new ScanSettings.Builder()).setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES).setNumOfMatches(ScanSettings.MATCH_NUM_ONE_ADVERTISEMENT).setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).setReportDelay(0).build();
    mScanCallback = new KeyboardScanCallback();
    scanner.startScan(Arrays.asList(filter), settings, mScanCallback);
    Message abortMsg = mHandler.obtainMessage(MSG_BLE_ABORT_SCAN, ++mScanAttempt, 0);
    mHandler.sendMessageDelayed(abortMsg, BLUETOOTH_SCAN_TIMEOUT_MILLIS);
}

Example 27 with ScanFilter

use of android.bluetooth.le.ScanFilter in project platform_frameworks_base by android.

the class BluetoothAdapter method startLeScan.

/**
     * Starts a scan for Bluetooth LE devices, looking for devices that
     * advertise given services.
     *
     * <p>Devices which advertise all specified services are reported using the
     * {@link LeScanCallback#onLeScan} callback.
     *
     * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
     *
     * @param serviceUuids Array of services to look for
     * @param callback the callback LE scan results are delivered
     * @return true, if the scan was started successfully
     * @deprecated use {@link BluetoothLeScanner#startScan(List, ScanSettings, ScanCallback)}
     *             instead.
     */
@Deprecated
@RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
public boolean startLeScan(final UUID[] serviceUuids, final LeScanCallback callback) {
    if (DBG)
        Log.d(TAG, "startLeScan(): " + Arrays.toString(serviceUuids));
    if (callback == null) {
        if (DBG)
            Log.e(TAG, "startLeScan: null callback");
        return false;
    }
    BluetoothLeScanner scanner = getBluetoothLeScanner();
    if (scanner == null) {
        if (DBG)
            Log.e(TAG, "startLeScan: cannot get BluetoothLeScanner");
        return false;
    }
    synchronized (mLeScanClients) {
        if (mLeScanClients.containsKey(callback)) {
            if (DBG)
                Log.e(TAG, "LE Scan has already started");
            return false;
        }
        try {
            IBluetoothGatt iGatt = mManagerService.getBluetoothGatt();
            if (iGatt == null) {
                // BLE is not supported
                return false;
            }
            ScanCallback scanCallback = new ScanCallback() {

                @Override
                public void onScanResult(int callbackType, ScanResult result) {
                    if (callbackType != ScanSettings.CALLBACK_TYPE_ALL_MATCHES) {
                        // Should not happen.
                        Log.e(TAG, "LE Scan has already started");
                        return;
                    }
                    ScanRecord scanRecord = result.getScanRecord();
                    if (scanRecord == null) {
                        return;
                    }
                    if (serviceUuids != null) {
                        List<ParcelUuid> uuids = new ArrayList<ParcelUuid>();
                        for (UUID uuid : serviceUuids) {
                            uuids.add(new ParcelUuid(uuid));
                        }
                        List<ParcelUuid> scanServiceUuids = scanRecord.getServiceUuids();
                        if (scanServiceUuids == null || !scanServiceUuids.containsAll(uuids)) {
                            if (DBG)
                                Log.d(TAG, "uuids does not match");
                            return;
                        }
                    }
                    callback.onLeScan(result.getDevice(), result.getRssi(), scanRecord.getBytes());
                }
            };
            ScanSettings settings = new ScanSettings.Builder().setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES).setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).build();
            List<ScanFilter> filters = new ArrayList<ScanFilter>();
            if (serviceUuids != null && serviceUuids.length > 0) {
                // Note scan filter does not support matching an UUID array so we put one
                // UUID to hardware and match the whole array in callback.
                ScanFilter filter = new ScanFilter.Builder().setServiceUuid(new ParcelUuid(serviceUuids[0])).build();
                filters.add(filter);
            }
            scanner.startScan(filters, settings, scanCallback);
            mLeScanClients.put(callback, scanCallback);
            return true;
        } catch (RemoteException e) {
            Log.e(TAG, "", e);
        }
    }
    return false;
}

Example 28 with ScanFilter

use of android.bluetooth.le.ScanFilter in project platform_frameworks_base by android.

the class ScanFilterTest method testReadWriteParcel.

@SmallTest
public void testReadWriteParcel() {
    ScanFilter filter = mFilterBuilder.build();
    testReadWriteParcelForFilter(filter);
    filter = mFilterBuilder.setDeviceName("Ped").build();
    testReadWriteParcelForFilter(filter);
    filter = mFilterBuilder.setDeviceAddress("11:22:33:44:55:66").build();
    testReadWriteParcelForFilter(filter);
    filter = mFilterBuilder.setServiceUuid(ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB")).build();
    testReadWriteParcelForFilter(filter);
    filter = mFilterBuilder.setServiceUuid(ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB"), ParcelUuid.fromString("FFFFFFF0-FFFF-FFFF-FFFF-FFFFFFFFFFFF")).build();
    testReadWriteParcelForFilter(filter);
    byte[] serviceData = new byte[] { 0x50, 0x64 };
    ParcelUuid serviceDataUuid = ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB");
    filter = mFilterBuilder.setServiceData(serviceDataUuid, serviceData).build();
    testReadWriteParcelForFilter(filter);
    filter = mFilterBuilder.setServiceData(serviceDataUuid, new byte[0]).build();
    testReadWriteParcelForFilter(filter);
    byte[] serviceDataMask = new byte[] { (byte) 0xFF, (byte) 0xFF };
    filter = mFilterBuilder.setServiceData(serviceDataUuid, serviceData, serviceDataMask).build();
    testReadWriteParcelForFilter(filter);
    byte[] manufacturerData = new byte[] { 0x02, 0x15 };
    int manufacturerId = 0xE0;
    filter = mFilterBuilder.setManufacturerData(manufacturerId, manufacturerData).build();
    testReadWriteParcelForFilter(filter);
    filter = mFilterBuilder.setServiceData(serviceDataUuid, new byte[0]).build();
    testReadWriteParcelForFilter(filter);
    byte[] manufacturerDataMask = new byte[] { (byte) 0xFF, (byte) 0xFF };
    filter = mFilterBuilder.setManufacturerData(manufacturerId, manufacturerData, manufacturerDataMask).build();
    testReadWriteParcelForFilter(filter);
}

Example 29 with ScanFilter

use of android.bluetooth.le.ScanFilter in project platform_frameworks_base by android.

the class ScanFilterTest method testsetServiceUuidFilter.

@SmallTest
public void testsetServiceUuidFilter() {
    ScanFilter filter = mFilterBuilder.setServiceUuid(ParcelUuid.fromString("0000110A-0000-1000-8000-00805F9B34FB")).build();
    assertTrue("uuid filter fails", filter.matches(mScanResult));
    filter = mFilterBuilder.setServiceUuid(ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB")).build();
    assertFalse("uuid filter fails", filter.matches(mScanResult));
    filter = mFilterBuilder.setServiceUuid(ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB"), ParcelUuid.fromString("FFFFFFF0-FFFF-FFFF-FFFF-FFFFFFFFFFFF")).build();
    assertTrue("uuid filter fails", filter.matches(mScanResult));
}

Example 30 with ScanFilter

use of android.bluetooth.le.ScanFilter in project platform_frameworks_base by android.

the class ScanFilterTest method testsetServiceDataFilter.

@SmallTest
public void testsetServiceDataFilter() {
    byte[] setServiceData = new byte[] { 0x50, 0x64 };
    ParcelUuid serviceDataUuid = ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB");
    ScanFilter filter = mFilterBuilder.setServiceData(serviceDataUuid, setServiceData).build();
    assertTrue("service data filter fails", filter.matches(mScanResult));
    byte[] emptyData = new byte[0];
    filter = mFilterBuilder.setServiceData(serviceDataUuid, emptyData).build();
    assertTrue("service data filter fails", filter.matches(mScanResult));
    byte[] prefixData = new byte[] { 0x50 };
    filter = mFilterBuilder.setServiceData(serviceDataUuid, prefixData).build();
    assertTrue("service data filter fails", filter.matches(mScanResult));
    byte[] nonMatchData = new byte[] { 0x51, 0x64 };
    byte[] mask = new byte[] { (byte) 0x00, (byte) 0xFF };
    filter = mFilterBuilder.setServiceData(serviceDataUuid, nonMatchData, mask).build();
    assertTrue("partial service data filter fails", filter.matches(mScanResult));
    filter = mFilterBuilder.setServiceData(serviceDataUuid, nonMatchData).build();
    assertFalse("service data filter fails", filter.matches(mScanResult));
}