Trying to save the listview data to be able to reload later

MIT App Inventor Help
21

For reading:

For writing:

22

Unfortunately I dont know java. I apologize if i am wrong, but looking at the code seems to me that no image file are involved. With text only is no problem.

23

It is google apps script (a variant of javascript), not java.

The alternative would be to setup the spreadsheet component with a service account so that you can write to a spreadsheet.

24

Thanks to you and the Web block

blocks(7)
blocks(7)1134×74 9.09 KB

and some data manipulation I managed to reduce the data loading times (of about 700 notes) from Google Sheets from 25 seconds to about 4.