Kivy tutorial how to automatically load kV files

We can call this at will main.py file , but kv File is made up of Kivy self-loading , Therefore, it must be named after the application class . for example , If our application class is called , Should be named FooBarApp A corresponding file （ The class name is converted to lowercase , Without the suffix ）. Strictly following this naming convention allows us to avoid manual loading Kivy Language file , This is undoubtedly a good thing —— Fewer lines of code lead to the same result

Combat code

Directory file

clock.kv	main.py

File code

# File: main.py
from kivy.app import App

class ClockApp(App):
    pass

if __name__ == '__main__':
    ClockApp().run()

# File: clock.kv
BoxLayout:
    orientation: 'vertical'

    Label:
        text: '00:00:00'

Run the project

Type... On the command line

ptyhon main.py

Running effect