I am currently having trouble on the format of my app. What I want to create is an app that first allows the user to select from 1 of 6 options (What production line). Next the user will be able to select a product from that line, Coke, Dr Pepper, pepsi, etc. From there they will be shown total quantity of that product and the area its in and how much is in each area. The user will then be able add and delete locations (from a list of optional locations in the warehouse), as well as manually enter the quantity in each location.
My code so far seems to have most of what I need, except being able to see and adjust the product quantities in an area and add/delete areas from a specified list of areas.