ListUtils error

[The_K_Studio (Karan M.)]

Not sure what’s wrong with your code. You can try this alternate extension.

[Discontinued] ListAddon Extension

[ListAddon] ListAddon Extension This extension allows for doing more things with App Inventor Lists. I made this extension with Kodular IDE. Current version: 1 Release date: 2019-04-21T21:00:00Z (UTC) Required permissions: none Min API required: N/A I decided the build this extension because I saw we can actually do more things with YailList (a Java object which used in App Inventor for lists.) So I created additional blocks for the built-in list blocks. Blocks [image] …