What should I use (20 tabs, 20 activities, or something better) for a 20 categories (names or buttons) each category with a mult

Question

I want to make an android app to have 20 buttons and each button should open a list of multi-button and each button should be clickable and linked to a website. I am new please give me some tips what should I use. A multi-tab, multi-activity, maybe a database or something better using java in the android studio. Thanks in advance.

Answer 1

You may want to try using a ListView.
https://developer.android.com/guide/topics/ui/layout/listview.html