I want to create a billing app using barcode scanner can anyone please help??

47 viewsandroid barcode billing firebase invoice zxing
Purnita Kharate | 12 xp

I’m a final year IT student and want to create a android app for invoice generator using smart phone we have worked on our barcode scanner using zxing library but we are stuck at the billing part

we are using Google firebase as our database if anyone please help !!