Using Python Kivy to Develop an Android App on an Android Phone

If you want to create an Android app using Python Kivy, you’re in the right place. In this tutorial, I will guide you through the process of creating a simple Android app using Python and Kivy that you can run on your Android phone.

Step 1: Install Kivy on your computer

First, you need to install Kivy on your computer. You can do this by following the installation instructions on the Kivy website (https://kivy.org/#download).

Step 2: Set up your Android phone for development

To run your app on your Android phone, you need to enable developer options and USB debugging on your phone. You can do this by going to Settings > About phone and tapping the Build number multiple times until you see a message saying "You are now a developer". Then go to Settings > Developer options and enable USB debugging.

Step 3: Create a new Kivy project

Open the terminal on your computer and run the following command to create a new Kivy project:

kivy -m python -c buildozer init

This will create a new directory with the basic structure for your Kivy project.

Step 4: Write the code for your app

Now, open the main.py file in your project directory with your favorite code editor and write the code for your app. Here is an example of a simple app that displays a label with the text "Hello, world!":

from kivy.app import App
from kivy.uix.label import Label

class MyApp(App):
    def build(self):
        return Label(text='Hello, world!')

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

Save the file and close the code editor.

Step 5: Build the app

Now, open the terminal and run the following command to build the app for Android:

buildozer android debug deploy run

This will build the app and generate an APK file that you can install on your Android phone.

Step 6: Install the APK on your Android phone

Connect your Android phone to your computer using a USB cable and transfer the APK file to your phone. Then, navigate to the file on your phone and tap on it to install the app.

Step 7: Run the app on your Android phone

After installing the app, tap on its icon to launch it on your Android phone. You should see a label with the text "Hello, world!" displayed on the screen.

Congratulations! You have successfully created and installed a simple Android app using Python and Kivy. You can now modify the code to build more complex apps or explore the features of Kivy to create a truly unique Android app.