How to develop OneUI widgets

Mobile
1

I want to customize and create a small component in OneUI. How should I start？I ues s24+,OneUI 6.1.

2

See this One UI design portal.

Ron
Samsung Developer Relations

3

I mean is to use CPP or Python to customize a feature on the desktop

4

Android is written in Kotlin you need to use Android Studio.

Ron
Samsung Developer Relations