Button Column Span Trick! - Python Kivy GUI Tutorial #3

In this video I'll show you how to make your submit button span two columns.

In the last video we created an app with a submit button that was stuck in the first column of our GridLayout. In order to get it to span both columns, we actually don't change the button itself; we change everything else!

What we need to do is add another GridLayout widget and put our two columns in it, then put the button underneath that!