How to change scrollbar design to gridview?

Question

Java

You need to make a design like in the picture for android application. Can't change scrollbar. Please advise how to do it!

Answer 1

can't change, what does that mean?
you already tried, drew your style.
Or just don't know how to do it?

Answer 2

Haven't tried it myself, but here's what I found.
1. You can make a scroll bar on the left using this method.
2. You can customize it like this .
Actually, I found it all on the first request in Google. I suggest you consider the question on the toaster as a bad habit.