This page provides some guideline about the GS1 barcodes and which one of our components can be used to generate them. 

GS1-128

GS1-128 barcode was previously known as EAN128 and can be found in our Barcode 1D packages

The following Java code can be used to generate the above GS1 128 barcode:

		BarCode bc = new BarCode();
		bc.setSize(400,250);
		bc.code="012501234567890417071225";
		bc.I = 1;
		bc.resolution=1;
		bc.X=1;				
		bc.barType=BarCode.EAN128;
		bc.checkCharacter=true;