Lists and variables

[Taifun]

So "erasing" means

1. replacing one of the sublists by another list

@Taifun

Use the replace list item block to replace sublist n with another list of 10 items

MIT App Inventor List Blocks

and 2) displaying the updated data in the user interface

Did you consider to display the data in a table? This would be much simpler with only a few blocks

[FREE] TableViewer - fully style customized to show table data

I have make another version of TableViewer, it's a package of Webviewer and Javascript and CSS. so you can set up the style as you wish, if you know some CSS knowledge. Alll Blocks Init the extension [image-20221005142959876] layout can be vertical arrangement or horizontal arrangement. No need for scroll arrangement, since this extension can handle the scrolling. SetData [image-20221005143010573] data should be a LIST OF LIST. SetStyle [image-20221005143023860] SetStyleSheet [image-2022…

Taifun