Create an android application for a grocery store

While interviewing the managing director in seven eleven you are collect the following information:

1-Track products and related information.

2- Identify a product that will be for sale (read in the name, model number, wholesale cost, and retail cost for the product. )

3-Enter a new customer (read in the customer name and ID)

4- Let a customer make a payment.

5- Read in the customer ID and the amount of payment.

"It's OK for customers to have a positive balance, but they cannot make negative payments".

Print lists of all information about all customers and all products.

From the above-mentioned information to display the sales for the grocery store belonging to the different category using SQLite .

1- Activitymain.xml

2-Main Activity.Java