Examples with ParcelUuid android.os.ParcelUuid used on opensource projects

Example 26 with ParcelUuid

use of android.os.ParcelUuid in project android_frameworks_base by DirtyUnicorns.

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));
}

Example 27 with ParcelUuid

use of android.os.ParcelUuid in project android_frameworks_base by DirtyUnicorns.

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 ParcelUuid

use of android.os.ParcelUuid in project android_frameworks_base by DirtyUnicorns.

the class BluetoothGatt method registerApp.

/**
     * Register an application callback to start using GATT.
     *
     * <p>This is an asynchronous call. The callback {@link BluetoothGattCallback#onAppRegistered}
     * is used to notify success or failure if the function returns true.
     *
     * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission.
     *
     * @param callback GATT callback handler that will receive asynchronous callbacks.
     * @return If true, the callback will be called to notify success or failure,
     *         false on immediate error
     */
private boolean registerApp(BluetoothGattCallback callback) {
    if (DBG)
        Log.d(TAG, "registerApp()");
    if (mService == null)
        return false;
    mCallback = callback;
    UUID uuid = UUID.randomUUID();
    if (DBG)
        Log.d(TAG, "registerApp() - UUID=" + uuid);
    try {
        mService.registerClient(new ParcelUuid(uuid), mBluetoothGattCallback);
    } catch (RemoteException e) {
        Log.e(TAG, "", e);
        return false;
    }
    return true;
}

Example 29 with ParcelUuid

use of android.os.ParcelUuid in project android_frameworks_base by DirtyUnicorns.

the class ScanRecord method parseFromBytes.

/**
     * Parse scan record bytes to {@link ScanRecord}.
     * <p>
     * The format is defined in Bluetooth 4.1 specification, Volume 3, Part C, Section 11 and 18.
     * <p>
     * All numerical multi-byte entities and values shall use little-endian <strong>byte</strong>
     * order.
     *
     * @param scanRecord The scan record of Bluetooth LE advertisement and/or scan response.
     * @hide
     */
public static ScanRecord parseFromBytes(byte[] scanRecord) {
    if (scanRecord == null) {
        return null;
    }
    int currentPos = 0;
    int advertiseFlag = -1;
    List<ParcelUuid> serviceUuids = new ArrayList<ParcelUuid>();
    String localName = null;
    int txPowerLevel = Integer.MIN_VALUE;
    SparseArray<byte[]> manufacturerData = new SparseArray<byte[]>();
    Map<ParcelUuid, byte[]> serviceData = new ArrayMap<ParcelUuid, byte[]>();
    try {
        while (currentPos < scanRecord.length) {
            // length is unsigned int.
            int length = scanRecord[currentPos++] & 0xFF;
            if (length == 0) {
                break;
            }
            // Note the length includes the length of the field type itself.
            int dataLength = length - 1;
            // fieldType is unsigned int.
            int fieldType = scanRecord[currentPos++] & 0xFF;
            switch(fieldType) {
                case DATA_TYPE_FLAGS:
                    advertiseFlag = scanRecord[currentPos] & 0xFF;
                    break;
                case DATA_TYPE_SERVICE_UUIDS_16_BIT_PARTIAL:
                case DATA_TYPE_SERVICE_UUIDS_16_BIT_COMPLETE:
                    parseServiceUuid(scanRecord, currentPos, dataLength, BluetoothUuid.UUID_BYTES_16_BIT, serviceUuids);
                    break;
                case DATA_TYPE_SERVICE_UUIDS_32_BIT_PARTIAL:
                case DATA_TYPE_SERVICE_UUIDS_32_BIT_COMPLETE:
                    parseServiceUuid(scanRecord, currentPos, dataLength, BluetoothUuid.UUID_BYTES_32_BIT, serviceUuids);
                    break;
                case DATA_TYPE_SERVICE_UUIDS_128_BIT_PARTIAL:
                case DATA_TYPE_SERVICE_UUIDS_128_BIT_COMPLETE:
                    parseServiceUuid(scanRecord, currentPos, dataLength, BluetoothUuid.UUID_BYTES_128_BIT, serviceUuids);
                    break;
                case DATA_TYPE_LOCAL_NAME_SHORT:
                case DATA_TYPE_LOCAL_NAME_COMPLETE:
                    localName = new String(extractBytes(scanRecord, currentPos, dataLength));
                    break;
                case DATA_TYPE_TX_POWER_LEVEL:
                    txPowerLevel = scanRecord[currentPos];
                    break;
                case DATA_TYPE_SERVICE_DATA:
                    // The first two bytes of the service data are service data UUID in little
                    // endian. The rest bytes are service data.
                    int serviceUuidLength = BluetoothUuid.UUID_BYTES_16_BIT;
                    byte[] serviceDataUuidBytes = extractBytes(scanRecord, currentPos, serviceUuidLength);
                    ParcelUuid serviceDataUuid = BluetoothUuid.parseUuidFrom(serviceDataUuidBytes);
                    byte[] serviceDataArray = extractBytes(scanRecord, currentPos + serviceUuidLength, dataLength - serviceUuidLength);
                    serviceData.put(serviceDataUuid, serviceDataArray);
                    break;
                case DATA_TYPE_MANUFACTURER_SPECIFIC_DATA:
                    // The first two bytes of the manufacturer specific data are
                    // manufacturer ids in little endian.
                    int manufacturerId = ((scanRecord[currentPos + 1] & 0xFF) << 8) + (scanRecord[currentPos] & 0xFF);
                    byte[] manufacturerDataBytes = extractBytes(scanRecord, currentPos + 2, dataLength - 2);
                    manufacturerData.put(manufacturerId, manufacturerDataBytes);
                    break;
                default:
                    // Just ignore, we don't handle such data type.
                    break;
            }
            currentPos += dataLength;
        }
        if (serviceUuids.isEmpty()) {
            serviceUuids = null;
        }
        return new ScanRecord(serviceUuids, manufacturerData, serviceData, advertiseFlag, txPowerLevel, localName, scanRecord);
    } catch (Exception e) {
        Log.e(TAG, "unable to parse scan record: " + Arrays.toString(scanRecord));
        // and return an empty record with raw scanRecord bytes in results
        return new ScanRecord(null, null, null, -1, Integer.MIN_VALUE, null, scanRecord);
    }
}

Example 30 with ParcelUuid

use of android.os.ParcelUuid in project android_frameworks_base by DirtyUnicorns.

the class BluetoothLeAdvertiser method totalBytes.

// Compute the size of advertisement data or scan resp
private int totalBytes(AdvertiseData data, boolean isFlagsIncluded) {
    if (data == null)
        return 0;
    // Flags field is omitted if the advertising is not connectable.
    int size = (isFlagsIncluded) ? FLAGS_FIELD_BYTES : 0;
    if (data.getServiceUuids() != null) {
        int num16BitUuids = 0;
        int num32BitUuids = 0;
        int num128BitUuids = 0;
        for (ParcelUuid uuid : data.getServiceUuids()) {
            if (BluetoothUuid.is16BitUuid(uuid)) {
                ++num16BitUuids;
            } else if (BluetoothUuid.is32BitUuid(uuid)) {
                ++num32BitUuids;
            } else {
                ++num128BitUuids;
            }
        }
        // 16 bit service uuids are grouped into one field when doing advertising.
        if (num16BitUuids != 0) {
            size += OVERHEAD_BYTES_PER_FIELD + num16BitUuids * BluetoothUuid.UUID_BYTES_16_BIT;
        }
        // 32 bit service uuids are grouped into one field when doing advertising.
        if (num32BitUuids != 0) {
            size += OVERHEAD_BYTES_PER_FIELD + num32BitUuids * BluetoothUuid.UUID_BYTES_32_BIT;
        }
        // 128 bit service uuids are grouped into one field when doing advertising.
        if (num128BitUuids != 0) {
            size += OVERHEAD_BYTES_PER_FIELD + num128BitUuids * BluetoothUuid.UUID_BYTES_128_BIT;
        }
    }
    for (ParcelUuid uuid : data.getServiceData().keySet()) {
        size += OVERHEAD_BYTES_PER_FIELD + SERVICE_DATA_UUID_LENGTH + byteLength(data.getServiceData().get(uuid));
    }
    for (int i = 0; i < data.getManufacturerSpecificData().size(); ++i) {
        size += OVERHEAD_BYTES_PER_FIELD + MANUFACTURER_SPECIFIC_DATA_LENGTH + byteLength(data.getManufacturerSpecificData().valueAt(i));
    }
    if (data.getIncludeTxPowerLevel()) {
        // tx power level value is one byte.
        size += OVERHEAD_BYTES_PER_FIELD + 1;
    }
    if (data.getIncludeDeviceName() && mBluetoothAdapter.getName() != null) {
        size += OVERHEAD_BYTES_PER_FIELD + mBluetoothAdapter.getName().length();
    }
    return size;
}