Android Question How can i improve this to add chat messaging

[Makumbi]

Good afternoon how can i improve this project to add the chat messaging feature were by if i click on the user i can send message to that selected user thanks in advance and also be in position to see the new and old conversation when i click on that user thanks

 

[MicroDrie]

You can find examples of your own B4X chat solution on this webside, or you can integrate Whatsapp webview.