Click on image to see code for that.

Scrollable buttons.

See this code if you want custom size of buttons (or any other widgets).

Grid layout that has fixed button size regardless of the window size.

• Kivy==1.11.1
• Kivy==2.0.0

https://kivy.org/doc/stable/api-kivy.uix.recycleview.html#module-kivy.uix.recycleview