as the Appybuilder community has been closed, all extensions published there are lost... except of those, who are still available at web.archive.org
By accident I found version 3 of the tableview extension on my computer, so I guess it would be ok, if I upload it here into this thread... @Ken meanwhile agreed to provide his extension here. Thank you @Ken.
com.kennicholsandroid.TableView.aix (19.4 KB)
TableView_v3.aia (21.5 KB)
Taifun
Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by 
Taifun.