Hello World in Kivy
Kivy is an opensource multi-platform GUI development library for Python and can run on iOS, Android, Windows, OS X, and GNU/Linux. It helps develop applications that make use of innovative, multi-touch UI. The fundamental idea behind Kivy is to enable the developer to build an app once and use it across all devices, making the code reusable and deployable, allowing for quick and easy interaction design and rapid prototyping.
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There are several ways to get Kivy installed in your system, depending upon your Operating System. Let’s dive into it.
- Using pip
pip install kivy
- Using conda
conda install -c conda-forge kivy
- Add the PPA using the following command:
sudo add-apt-repository ppa:kivy-team/kivy
- Update your package list using your package manager-
sudo apt-get update
- Install Kivy
sudo apt-get install python3-kivy
- Using Wheels
Wheels are precompiled binaries for the specific platform you are on. All you need to do to install Kivy using wheels on osx is
$ python -m pip install kivy
Hello World in Kivy
- Let’s create a Python file i.e. with
- First of all let’s import kivy and ensure it’s up-to-date.
import kivy # Replace this with your # current version kivy.require('1.11.1') # To find your kivy version use, # print(kivy.__version__)
- Now to create a Kivy interface we need to import Kivy App module in our program using the following code:
from kivy.app import App
- Now import Label from
from kivy.uix.label import Label
- Now let’s write main block that prints Hello World, yayy finally!!
class MyFirstKivyApp(App): def build(self): return Label(text ="Hello World !")