Using notifications with the HTC BLE SDK

profile client

  @Override
  public void onDeviceConnected(BluetoothDevice device) {
		mService.registerForNotification(device, 0, new BleGattID("00002a37-0000-1000-8000-00805f9b34fb"));
		// Note that the super class will call refresh.
		super.onDeviceConnected(device);
	}

  @Override
	public void onRefreshed(final BluetoothDevice aDevice) {
		super.onRefreshed(aDevice);
		final BleCharacteristic characteristic = mService.getCharacteristic(aDevice, 
					new BleGattID("00002a37-0000-1000-8000-00805f9b34fb"));
	  final byte[] value = new byte[] {
      		BleConstants.GATT_CLIENT_CONFIG_NOTIFICATION_BIT,
    			0 // CLIENT_CHAR_CONFIG_RESERVED_BYTE
    };
	  final BleDescriptor clientConfig = characteristic.getDescriptor(
	      new BleGattID(BleConstants.GATT_UUID_CHAR_CLIENT_CONFIG16));
	  clientConfig.setValue(value);
	  clientConfig.setWriteType(BleConstants.GATTC_TYPE_WRITE);
	  mService.writeCharacteristic(aDevice, 0, characteristic);		
	}