How can I filter the data in a list?

MIT App Inventor Help
1

I am developing an app about raising orders and I have a problem in the module to create orders since I create the orders with different users but when I have to show the orders in each user session I don't know how to show only the orders of that user.
I have the idea that I have to filter the data from each list of values because when I store the order data they are in separate lists, for example:
Order_id list | user_id list | order_id list | order_list

Is there anyone who can help me ?

2

please give more detailed example for what you have and what you want..

3

Hello, thank you for your reply @Kevinkun

Here I show you my order history page where I should show only the orders of each of the registered users in this application.

You can see that I need to get the orders from the database which is a TinyDB and put that data in this List_View, only show the orders of the user that is active. :

image
image1022×888 115 KB

Here's how I query the database

blocks (1)
blocks (1)1356×1294 205 KB

I know that I can put the values obtained from the database to the ListView but I don't know how to make the filter to only show the orders that correspond to the customer that is reviewing his history.

Can you help me?

4

firstly you need to store all data in one list (of list), not separate lists.
then sort list on one field,
then show data use TableView extension.

5

You can sort the List as shown in Sajal's tutorials

or use the ListView and its Filter bar.
filterLV

6

Here is a sample project with list filters for you ...

7

ok thanks and I try this solucion !

8

Thanks and I read this articule!