android.bluetooth.BluetoothGattCharacteristic Java Examples

/**
 * Setup Battery Service
 *
 * @return the service
 */
private BluetoothGattService setUpBatteryService() {
    final BluetoothGattService service = new BluetoothGattService(SERVICE_BATTERY, BluetoothGattService.SERVICE_TYPE_PRIMARY);

    // Battery Level
    final BluetoothGattCharacteristic characteristic = new BluetoothGattCharacteristic(
            CHARACTERISTIC_BATTERY_LEVEL,
            BluetoothGattCharacteristic.PROPERTY_NOTIFY | BluetoothGattCharacteristic.PROPERTY_READ,
            BluetoothGattCharacteristic.PERMISSION_READ_ENCRYPTED);

    final BluetoothGattDescriptor clientCharacteristicConfigurationDescriptor = new BluetoothGattDescriptor(
            DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION,
            BluetoothGattDescriptor.PERMISSION_READ | BluetoothGattDescriptor.PERMISSION_WRITE);
    clientCharacteristicConfigurationDescriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    characteristic.addDescriptor(clientCharacteristicConfigurationDescriptor);

    service.addCharacteristic(characteristic);

    return service;
}
 

@Override
public void onCharacteristicWrite(BluetoothGatt gatt,
                                  BluetoothGattCharacteristic characteristic, int status) {
    if (gatt == null || gatt.getDevice() == null)return;
    BleLog.d(TAG, gatt.getDevice().getAddress() + "-----write success----- status: " + status);
    synchronized (locker) {
        T bleDevice = getBleDeviceInternal(gatt.getDevice().getAddress());
        if (status == BluetoothGatt.GATT_SUCCESS) {
            if (null != writeWrapperCallback){
                writeWrapperCallback.onWriteSuccess(bleDevice, characteristic);
            }
            if (options.uuid_ota_write_cha.equals(characteristic.getUuid())) {
                if (otaListener != null) {
                    otaListener.onWrite();
                }
            }
        }else {
            if (null != writeWrapperCallback){
                writeWrapperCallback.onWriteFailed(bleDevice, status);
            }
        }
    }
}
 

@Override
  public void onServicesDiscovered(final BluetoothGatt gatt, final int status) {
  	BluetoothGattService service = gatt.getService(UUID.fromString(HRUUID)); // Return the HR service
//BluetoothGattCharacteristic characteristic = service.getCharacteristic(UUID.fromString("00002A37-0000-1000-8000-00805F9B34FB"));
List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics(); //Get the hart rate value
for (BluetoothGattCharacteristic cc : characteristics)
	{
		for (BluetoothGattDescriptor descriptor : cc.getDescriptors()) {
		    //find descriptor UUID that matches Client Characteristic Configuration (0x2902)
		    // and then call setValue on that descriptor
			
			//Those two line set the value for the disconnection
			H7ConnectThread.descriptor=descriptor;
			H7ConnectThread.cc=cc;
									
			gatt.setCharacteristicNotification(cc,true);//Register to updates
			descriptor.setValue( BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
		    gatt.writeDescriptor(descriptor);
			Log.d("H7ConnectThread", "Connected and regisering to info");
		}
	}
  }
 

@Test
public void setNotifyNotificationTest() throws Exception {
    BluetoothGattCallback callback = connectAndGetCallback();
    callback.onConnectionStateChange(gatt, GATT_SUCCESS, STATE_CONNECTED);

    BluetoothGattService service = new BluetoothGattService(SERVICE_UUID, 0);
    BluetoothGattCharacteristic characteristic = new BluetoothGattCharacteristic(UUID.fromString("00002A1C-0000-1000-8000-00805f9b34fb"),PROPERTY_NOTIFY,0);
    BluetoothGattDescriptor descriptor = new BluetoothGattDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"),0);
    service.addCharacteristic(characteristic);
    characteristic.addDescriptor(descriptor);

    when(gatt.getServices()).thenReturn(Arrays.asList(service));

    peripheral.setNotify(characteristic, true);
    verify(gatt).setCharacteristicNotification(characteristic, true);
    assertEquals(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE[0], descriptor.getValue()[0]);
    assertEquals(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE[1], descriptor.getValue()[1]);
    verify(gatt).writeDescriptor(descriptor);

    callback.onDescriptorWrite(gatt, descriptor, 0);
    verify(peripheralCallback).onNotificationStateUpdate(peripheral, characteristic, 0);
}
 

@Override
public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
    super.onCharacteristicWrite(gatt, characteristic, status);
    if (FitbitGatt.getInstance().isSlowLoggingEnabled()) {
        Timber.v("[%s] onCharacteristicWrite: Gatt Response Status %s", getDeviceMacFromGatt(gatt), GattStatus.getStatusForCode(status));
        Timber.d("[%s][Threading] Originally called on thread : %s", getDeviceMacFromGatt(gatt), Thread.currentThread().getName());
    }
    ArrayList<GattClientListener> copy = new ArrayList<>(listeners.size());
    copy.addAll(listeners);
    final BluetoothGattCharacteristicCopy bluetoothGattCharacteristic = gattUtils.copyCharacteristic(characteristic);
    handler.post(() -> {
        for (GattClientListener listener : copy) {
            if (listener.getDevice() != null && listener.getDevice().equals(gatt.getDevice())) {
                listener.onCharacteristicWrite(gatt, bluetoothGattCharacteristic, status);
            }
        }
    });
}
 

public void writeRXCharacteristic(byte[] value)
{

	
	BluetoothGattService RxService = mBluetoothGatt.getService(RX_SERVICE_UUID);
	showMessage("mBluetoothGatt null"+ mBluetoothGatt);
	if (RxService == null) {
        showMessage("Rx service not found!");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }
	BluetoothGattCharacteristic RxChar = RxService.getCharacteristic(RX_CHAR_UUID);
    if (RxChar == null) {
        showMessage("Rx charateristic not found!");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }
    RxChar.setValue(value);
	boolean status = mBluetoothGatt.writeCharacteristic(RxChar);
	
    Log.d(TAG, "write TXchar - status=" + status);  
}
 

@Override
public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int gattStatus) {
    WriteMsg msg = (WriteMsg) mMsgCallbackMap.remove(MyoMsg.toIdentifier(characteristic));
    mWaitToken.release();

    msg.setGattStatus(gattStatus);
    if (gattStatus == BluetoothGatt.GATT_SUCCESS) {
        Logy.v(TAG, "rtt: " + (System.currentTimeMillis() - mDispatchTime) + "ms | SUCCESS | " + msg.toString());
        msg.setState(MyoMsg.State.SUCCESS);
        if (msg.getCallback() != null)
            msg.getCallback().onResult(msg);
    } else {
        Logy.w(TAG, "rtt: " + (System.currentTimeMillis() - mDispatchTime) + "ms | ERROR(" + gattStatus + ") | " + msg.toString());
        msg.setState(MyoMsg.State.ERROR);
        if (msg.getRetryCounter() == 0) {
            if (msg.getCallback() != null)
                msg.getCallback().onResult(msg);
        } else {
            msg.decreaseRetryCounter();
            submit(msg);
        }
    }
    super.onCharacteristicWrite(gatt, characteristic, gattStatus);
}
 

@Override
public void onDescriptorWrite( BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status ) {
    if( status != BluetoothGatt.GATT_SUCCESS ) {
        Log.e( CLASS, "onDescriptorWrite: Status != SUCCESS: status=" + status );
        return;
    }
    mGatt = gatt;

    if( descriptor == null ) {
        Log.e( CLASS, "onDescriptorWrite: null descriptor" );
        return;
    }

    BluetoothGattCharacteristic characteristic = descriptor.getCharacteristic();
    for( BtBridgeListener listener : mListeners ) {
        listener.onDescriptorWrite( characteristic, descriptor );
    }
}
 

private BleDescriptorWrapper getDescriptor(final BleServiceWrapper service, final UUID charUuid_nullable, final UUID descUuid)
{
    if (!service.isNull())
    {
        final List<BluetoothGattCharacteristic> charList = getNativeCharacteristicList_original(service);

        for (int j = 0; j < charList.size(); j++)
        {
            final BleCharacteristicWrapper char_jth = new BleCharacteristicWrapper(charList.get(j));

            if (charUuid_nullable == null || !char_jth.isNull() && charUuid_nullable.equals(char_jth.getCharacteristic().getUuid()))
            {
                final BleDescriptorWrapper descriptor = getDescriptor(char_jth, descUuid);

                return descriptor;
            }
        }
    }

    return BleDescriptorWrapper.NULL;
}
 

/**
 * get property,http://blog.csdn.net/chenxh515/article/details/45723299
 * @param property
 * @return
 */
private String getPropertyString(int property){
    StringBuilder sb = new StringBuilder("(");
    //Read
    if ((property & BluetoothGattCharacteristic.PROPERTY_READ) > 0) {
        sb.append("Read ");
    }
    //Write
    if ((property & BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE) > 0
            || (property & BluetoothGattCharacteristic.PROPERTY_WRITE) > 0) {
        sb.append("Write ");
    }
    //Notify
    if ((property & BluetoothGattCharacteristic.PROPERTY_NOTIFY) > 0
            || (property & BluetoothGattCharacteristic.PROPERTY_INDICATE) > 0) {
        sb.append("Notity Indicate ");
    }
    //Broadcast
    if ((property & BluetoothGattCharacteristic.PROPERTY_BROADCAST) > 0){
        sb.append("Broadcast ");
    }
    sb.deleteCharAt(sb.length() - 1);
    sb.append(")");
    return sb.toString();
}
 

@Override
public void onCharacteristicWrite(final BluetoothGatt gatt, final BluetoothGattCharacteristic characteristic, final int status) {
    Log.e(TAG, "OnCharacteristic WRITE started: "
            + getUUIDName(characteristic.getUuid())
            + " status: " + getStatusName(status));
    //Log.e(TAG, "Write Status " + String.valueOf(status));
    //Log.e(TAG, "Characteristic " + String.valueOf(characteristic.getUuid()));

    if (enforceMainThread()) {
        Handler iHandler = new Handler(Looper.getMainLooper());
        iHandler.post(new Runnable() {
            @Override
            public void run() {
                processOnCharacteristicWrite(gatt, characteristic, status);
            }
        });
    } else {
        processOnCharacteristicWrite(gatt, characteristic, status);
    }


}
 

@Override
public final void onCharacteristicWrite(final BluetoothGatt gatt, final BluetoothGattCharacteristic characteristic, final int status) {
	if (status == BluetoothGatt.GATT_SUCCESS) {
		// The value has been written. Notify the profile and proceed with the initialization queue.
		profile.onCharacteristicWrite(gatt, characteristic);
		operationInProgress = false;
		nextRequest();
	} else if (status == BluetoothGatt.GATT_INSUFFICIENT_AUTHENTICATION) {
		if (gatt.getDevice().getBondState() != BluetoothDevice.BOND_NONE) {
			// This should never happen but it used to: http://stackoverflow.com/a/20093695/2115352
			DebugLogger.w(TAG, ERROR_AUTH_ERROR_WHILE_BONDED);
			onError(gatt.getDevice(), ERROR_AUTH_ERROR_WHILE_BONDED, status);
		}
	} else {
		DebugLogger.e(TAG, "onCharacteristicWrite error " + status);
		onError(gatt.getDevice(), ERROR_WRITE_CHARACTERISTIC, status);
	}
}
 

/**
 * Search for a specific characteristic given a BluetoothGattService
 *
 * @param service              the service to search through
 * @param targetService        the service that you're looking for
 * @param targetCharacteristic the characteristic you're looking for
 * @return the characteristic, if it's found - null otherwise
 */
public static BluetoothGattCharacteristic getCharacteristic(BluetoothGattService service, GattService targetService, GattCharacteristic targetCharacteristic) {
    if (service == null || targetService == null || targetCharacteristic == null) {
        return null;
    }
    GattService gattService = GattService.fromUuid(service.getUuid());
    if (gattService != null && gattService == targetService) {
        List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
        if (characteristics != null && !characteristics.isEmpty()) {
            for (BluetoothGattCharacteristic characteristic : characteristics) {
                GattCharacteristic gattCharacteristic = GattCharacteristic.fromUuid(characteristic.getUuid());
                if (gattCharacteristic != null && gattCharacteristic == targetCharacteristic) {
                    return characteristic;
                }
            }
        }
    }
    return null;
}
 

@Override
public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
    super.onCharacteristicWrite(gatt, characteristic, status);

    //if status is 0, success on sending and received
    //Log.i(TAG, "handleControlPoint got status:" + status);

    if (BluetoothGatt.GATT_SUCCESS == status) {
        io.onSuccess(characteristic);

        if (characteristic.getUuid().equals(Profile.UUID_CHAR_CONTROL_POINT)) {
            io.handleControlPointResult(characteristic.getValue());
        }

    } else {
        io.onFail(status, "onCharacteristicWrite fail");
    }

    if (onDataRead != null)
        onDataRead.OnDataRead();
}
 

/**
 * Enables or disables notification on a give characteristic.
 *
 * @param address        The address.
 * @param characteristic Characteristic to act on.
 * @param enabled        If true, enable notification.  False otherwise.
 */
public void setCharacteristicNotification(String address,
                                          BluetoothGattCharacteristic characteristic,
                                          boolean enabled) {
    if (mBluetoothAdapter == null || mBluetoothGattMap.get(address) == null) {
        Log.w(TAG, "BluetoothAdapter not initialized");
        return;
    }
    mBluetoothGattMap.get(address).setCharacteristicNotification(characteristic, enabled);

    BluetoothGattDescriptor descriptor = characteristic.getDescriptor(
            UUID.fromString(GattAttributes.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION));
    descriptor.setValue(enabled ? BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE :
            BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE);
    mBluetoothGattMap.get(address).writeDescriptor(descriptor);
}
 

protected synchronized boolean writeToCharacteristic(UUID serviceUUID, UUID characteristicUUID, byte[] values) {
	BluetoothGattService gattService = mGatt == null ? null : mGatt.getService(serviceUUID);
	if(gattService != null) {
		BluetoothGattCharacteristic gattCharacteristic = gattService.getCharacteristic(characteristicUUID);
		if(gattCharacteristic != null) {
			gattCharacteristic.setValue(values);
			write(gattCharacteristic);
			return true;
		}
	}
	return false;
}
 

private BluetoothGattCharacteristic getACSCharacteristic(UUID charaUUID) {
    if (mBluetoothAdapter == null || mBluetoothGatt == null) {
        Log.w(TAG, "BluetoothAdapter not initialized");
        return null;
    }
    BluetoothGattService service = mBluetoothGatt.getService(ACS_SERVICE_UUID);
    if (service == null) {
        Log.e(TAG, "Service is not found!");
        return null;
    }
    BluetoothGattCharacteristic chara = service.getCharacteristic(charaUUID);
    return chara;
}
 

private static int getDescriptorPermissions(BluetoothGattService service, String characteristicUUIDString, String descriptorUUIDString) {
    final UUID characteristicUuid = UUID.fromString(characteristicUUIDString);
    BluetoothGattCharacteristic characteristic = service.getCharacteristic(characteristicUuid);

    int permissions = 0;
    if (characteristic != null) {
        final UUID descriptorUuid = UUID.fromString(descriptorUUIDString);
        BluetoothGattDescriptor descriptor = characteristic.getDescriptor(descriptorUuid);
        if (descriptor != null) {
            permissions = descriptor.getPermissions();
        }
    }

    return permissions;
}
 

public final void onCharacteristicWrite(BluetoothGatt bluetoothgatt, final BluetoothGattCharacteristic characteristic, int i)
{
    boolean flag = true;
    Debug.TRACE();
    boolean flag1;
    if (i == 0)
    {
        flag1 = flag;
    } else
    {
        flag1 = false;
    }
    Debug.ASSERT_TRUE(flag1);
    if (m_Gatt != bluetoothgatt)
    {
        flag = false;
    }
    Debug.ASSERT_TRUE(flag);
    Debug.DEBUG((new StringBuilder()).append("Characteristic Write: ").append(Helper.bytesToHexString(characteristic.getValue())).toString());
    c_GattOperationLock.lock();
    c_ReturnValue = i;
    Debug.DEBUG_LOCK((new StringBuilder()).append("NOTIFY: onCharacteristicWrite(): ").append(c_ReturnValue).toString());
    c_isGattOperationLocking = false;
    c_condGattOperationComplete.signal();
    c_GattOperationLock.unlock();
    if (i == 0)
    {
        m_Executor.execute(new _cls10());
    }
    return;
    Exception exception;
    exception;
    c_GattOperationLock.unlock();
    throw exception;
}
 

@Override
public void handleCharacteristic(BluetoothGattCharacteristic characteristic) {
    byte[] packet = characteristic.getValue();

    if (mPacketProcessor == null) {
        mPacketProcessor = new PacketProcessor(packet);

        if (!mPacketProcessor.isFinished()) {
            switch (mPacketProcessor.getAction()) {
                case 0x01:
                    if (calendarsCallback != null) {
                        calendarsCallback.onDataTransferStarted();
                    }
                    break;
                case 0x02:
                    if (remindersCallback != null) {
                        remindersCallback.onDataTransferStarted();
                    }
                    break;
            }
        }
    }
    else {
        mPacketProcessor.process(packet);
    }

    if (mPacketProcessor == null || !mPacketProcessor.isFinished()) {
        return;
    }
    switch (mPacketProcessor.getAction()) {
        case 0x01:
            processCalendarsData(mPacketProcessor);
            break;
        case 0x02:
            processRemindersData(mPacketProcessor);
            break;
    }

    mPacketProcessor = null;
}
 

@Override
public void onNotificationStateUpdate(BluetoothPeripheral peripheral, BluetoothGattCharacteristic characteristic, int status) {
    if( status == GATT_SUCCESS) {
        if(peripheral.isNotifying(characteristic)) {
            Timber.i("SUCCESS: Notify set to 'on' for %s", characteristic.getUuid());
        } else {
            Timber.i("SUCCESS: Notify set to 'off' for %s", characteristic.getUuid());
        }
    } else {
        Timber.e("ERROR: Changing notification state failed for %s", characteristic.getUuid());
    }
}
 

public void getCharacteristicsForService(final BluetoothGattService service) {
	if(service == null) return;
	List<BluetoothGattCharacteristic> chars = null;
	
	chars = service.getCharacteristics();   	
	mUiCallback.uiCharacteristicForService(mBluetoothGatt, mBluetoothDevice, service, chars);
	// keep reference to the last selected service
	mBluetoothSelectedService = service;
}
 

@Override
public final boolean setCharacteristicNotification(BluetoothGattCharacteristic characteristic, boolean enable)
{
    if (m_gatt != null && characteristic != null)
    {
        return m_gatt.setCharacteristicNotification(characteristic, enable);
    }
    return false;
}
 

@Override
public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
    if (status == BluetoothGatt.GATT_SUCCESS) {
        BluetoothGattCharacteristic characteristic = descriptor.getCharacteristic();
        Log.d(TAG, "Characteristic onDescriptorWrite ch " + characteristic.getUuid());
        if(mHeartBeatCharacteristic.getUuid().equals(characteristic.getUuid())) {
            state_notifSetupSucess = true;
            setCharacteristicIndication(mReceiveDataCharacteristic);
        }
        if(mReceiveDataCharacteristic.getUuid().equals(characteristic.getUuid())) {
            setCharacteristicIndication(mResponseCharacteristic);
        }
        if(mResponseCharacteristic.getUuid().equals(characteristic.getUuid())) {
            attemptRead();
        }
    } else if ((status & BluetoothGatt.GATT_INSUFFICIENT_AUTHENTICATION) != 0 || (status & BluetoothGatt.GATT_INSUFFICIENT_ENCRYPTION) != 0) {
        if (gatt.getDevice().getBondState() == BluetoothDevice.BOND_NONE) {
            device = gatt.getDevice();
            state_authInProgress = true;
            bondDevice();
        } else {
            Log.e(TAG, "The phone is trying to read from paired device without encryption. Android Bug? Have the dexcom forget whatever device it was previously paired to: ondescriptorwrite code: "+status+ "bond: "+gatt.getDevice().getBondState());
        }
    } else {
        Log.e(TAG, "Unknown error writing descriptor");
    }
}
 

CharacteristicWriteOperation(RxBleGattCallback rxBleGattCallback, BluetoothGatt bluetoothGatt,
                             @Named(ConnectionModule.OPERATION_TIMEOUT) TimeoutConfiguration timeoutConfiguration,
                             BluetoothGattCharacteristic bluetoothGattCharacteristic,
                             byte[] data) {
    super(bluetoothGatt, rxBleGattCallback, BleGattOperationType.CHARACTERISTIC_WRITE, timeoutConfiguration);
    this.bluetoothGattCharacteristic = bluetoothGattCharacteristic;
    this.data = data;
}
 

/**
 * Instructs the gatt to request the remote device to send a value of the given characteristic.
 * It waits until the gatt's callback calls {@link #onRead(int, Object, boolean)} containing the value.
 * It will not wait longer than 1000 milliseconds. If it takes longer, the current value stored in memory
 * will be returned.
 *
 * @param characteristicID ID of the characteristic whose remote value is requested.
 * @return The value of the characteristic.
 */
Object read(int characteristicID) {
    final BluetoothGatt gatt = getGatt();
    if (gatt == null) {
        return null;
    }

    final BluetoothGattCharacteristic gattCharacteristic = gattCharacteristics.get(characteristicID);
    if (gattCharacteristic == null) {
        return null;
    }

    int properties = gattCharacteristic.getProperties();
    if ((properties & BluetoothGattCharacteristic.PROPERTY_READ) == 0) {
        return null;
    }

    //noinspection SynchronizationOnLocalVariableOrMethodParameter
    synchronized (gattCharacteristic) {
        final boolean didRead = gatt.readCharacteristic(gattCharacteristic);
        if (didRead) {
            try {
                gattCharacteristic.wait(GATT_READ_TIMEOUT);
            } catch (InterruptedException ignored) {
            }
        }

        return values.get(characteristicID);
    }
}
 

/**
 * Request a read on a given {@code BluetoothGattCharacteristic}. The read result is reported
 * asynchronously through the {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)}
 * callback.
 *
 * @param characteristic The characteristic to read from.
 */
public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
    if (mBluetoothAdapter == null || mBluetoothGatt == null) {
        Log.w(TAG, "BluetoothAdapter not initialized");
        return;
    }
    mBluetoothGatt.readCharacteristic(characteristic);
}
 

@Override
public void onCharacteristicChanged(BluetoothGatt gatt, final BluetoothGattCharacteristic characteristic) {

    final PowerManager.WakeLock wakeLock1 = JoH.getWakeLock("DexCollectionService", 60000);
    try {
        final byte[] data = characteristic.getValue();

        if (data != null && data.length > 0) {
            setSerialDataToTransmitterRawData(data, data.length);

            final String hexdump = HexDump.dumpHexString(data);
            //if (!hexdump.contains("0x00000000 00      ")) {
            if (data.length > 1 || data[0] != 0x00) {
                static_last_hexdump = hexdump;
            }
            if (d) Log.i(TAG, "onCharacteristicChanged entered " + hexdump);

        }
        lastdata = data;

        Inevitable.task("dex-set-failover", 1000, () -> {
            setFailoverTimer(); // restart the countdown
            // intentionally left hanging wakelock for 5 seconds after we receive something
            final PowerManager.WakeLock wakeLock2 = JoH.getWakeLock("DexCollectionLinger", 5000);
        });

    } finally {
       /* if (Pref.getBoolean("bluetooth_frequent_reset", false)) {
            Log.e(TAG, "Resetting bluetooth due to constant reset option being set!");
            JoH.restartBluetooth(getApplicationContext(), 5000);
        }*/
        JoH.releaseWakeLock(wakeLock1);
    }
}
 

@Override
protected void start(Connection connection, BluetoothGatt gatt) {
    List<BluetoothGattService> services = gatt.getServices();
    for (BluetoothGattService service : services) {
        List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
        for (BluetoothGattCharacteristic characteristic : characteristics) {
            int props = characteristic.getProperties();
            if ((props & BluetoothGattCharacteristic.PROPERTY_READ) != 0) {
                queue.add(characteristic);
            }
        }
    }

    readNext(gatt);
}
 

@Override public void onCharacteristicReadRequest(final BluetoothDevice device, final int requestId, final int offset, final BluetoothGattCharacteristic characteristic)
{
	m_server.getManager().getPostManager().runOrPostToUpdateThread(new Runnable()
	{
		@Override public void run()
		{
			onReadRequest_updateThread(device, requestId, offset, characteristic.getService().getUuid(), characteristic.getUuid(), /*descUuid=*/null);
		}
	});
   }