I all ready use ABZXing Library and it work great, bat ...
In "barCode as String" there are no FNC1 delimiter characters for parsing varible length data (Serial number, Batch or lot number, ...) in combined barCode as per "GS1 128 Specification".
With ABZXing wrapper for B4A you get only ASCI characters without special characters like [FNC1].
ZXing support "getRawBytes()" and "getRawBytes().length" but are not implementet in B4A library.
Example BarCode: 205110R555X-241104
according GS-128 is consist of