How can I move list view items?

MIT App Inventor Help
,
1

Hello. :wave:
I have a list view and I want to be able to move a selected item up and down in the list using two buttons, up and down.

2

Here is a probable way using an extension

3

Here is a blocks only sample:

Some block excerpts:

when btnMoveUp Click
when btnMoveUp Click1480×816 111 KB

when btnMoveDown Click
when btnMoveDown Click1542×816 114 KB

ToDoElements
ToDoElements1188×402 47.5 KB

saveTODO
saveTODO706×232 22.5 KB

when lpkTasksToDo AfterPicking
when lpkTasksToDo AfterPicking1136×234 39.2 KB

ToDo.aia (7.2 KB)