Kivy Blueprints

Layout basics

To arrange widgets on the screen, Kivy provides a number of Layout classes. Layout, a subclass of Widget, serves as a container for other widgets. Every layout affects the positioning and size of its children in a unique way.

For this application, we won't need anything fancy, as the desired UI is pretty straightforward. This is what we're aiming to achieve:

A mockup layout of the finished Clock app interface.

To build this, we will use BoxLayout, which is basically a one-dimensional grid. We already have BoxLayout in our clock.kv file, but since it only has one child, it does not affect anything. A rectangular grid with one cell is really ...