i have tried integrate with Data Matrix barcode scanner with J2ME before. but i have forgot the method. any help would be appreciated:
www.rasteredge.com/.../

I've never tried to integrated barcode scanning software with J2ME. But I've ever tested one and I remembered that it stated as supporting J2ME. You may check it out from: www.barcodelib.com/net_barcode_reader/main.html