Build your first python mobile application with flet
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building a mobile application using python can be an exciting journey, especially with libraries like *flet* that simplify the process. flet is a framework for building interactive web, desktop, and mobile applications with python. it uses a declarative approach and can help you create a user interface without needing to dive deeply into html, css, or javascript.
getting started with flet
in this tutorial, we will create a simple mobile application using flet. the app will have a user interface where users can input their name and receive a greeting message.
prerequisites
1. **python installed**: ensure you have python 3.7 or higher installed on your machine.
2. **flet library**: you can install flet using pip.
step 1: create a simple flet application
let's create a simple flet application.
1. *create a new python file* (e.g., `app.py`).
2. *add the following code* to `app.py`:
step 2: run your application
to run your application, execute the following command in your terminal:
this command will start a local server and open the application in your default web browser. since flet is based on web technologies, you can also access the app on mobile devices by navigating to the provided url on your local network.
step 3: understanding the code
1. **importing flet**: we start by importing the flet library.
2. **the `main` function**: this is where we define the main logic for our app. the `page` parameter represents the app's page.
3. **setting the title and size**: we set the title and dimensions of the window.
4. **creating ui elements**:
`textfield`: for user input (name).
`elevatedbutton`: a button that triggers the greeting.
`text`: displays the greeting message.
5. **button click event**: we define an event handler `on_greet_button_click` that updates the greeting text based on the user input.
6. **adding widgets**: finally, we add the created widgets to the page using `page.add()`.
step 4: making it ...
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