Any idea how to build a chat app with different personal chat rooms

[SteveJG]

How do you create separate chat rooms?

A ListViewer is not a very efficient way to manage a chat in my opinion. There are better ways to use available screen space. However your question indicated you are using Blocks from a tutorial that uses a ListViewer; so that’s the advice you get. You can picture what ‘I’m’ saying. That is good. What part do you need help with? You didn’t show the Blocks you tried. There a probably several ways you can create new Tags that are simple; this example is not simple because it shows how to cr…