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building a real flutter app with python flet

flet is a powerful framework that allows you to build real-time web, desktop, and mobile applications using python. this tutorial will guide you through the process of creating a simple flutter-like app using python flet.

prerequisites

1. **python**: ensure you have python 3.7 or higher installed on your machine.
2. **flet**: you will need to install the flet library. you can do this using pip:

```bash
pip install flet
```

3. **basic knowledge of python**: familiarity with python programming is essential.

project overview

in this tutorial, we will create a simple to-do list application using flet. the app will allow users to add tasks, mark them as complete, and delete them.

step 1: setting up your project

create a new directory for your project and navigate into it:

```bash
mkdir flet_todo_app
cd flet_todo_app
```

step 2: create the main application file

create a new python file named `app.py`:

```bash
touch app.py
```

step 3: write the flet code

open `app.py` in your favorite text editor and start coding the application:

```python
import flet as ft

def main(page: ft.page):
page.title = "to-do list app"
page.vertical_alignment = ft.mainaxisalignment.start

tasks = [] list to hold tasks

def add_task(e):
if new_task.value:
tasks.append(new_task.value)
new_task.value = ""
update_task_list()

def delete_task(index):
tasks.pop(index)
update_task_list()

def update_task_list():
task_list.controls.clear()
for index, task in enumerate(tasks):
task_list.controls.append(
ft.row(
controls=[
ft.checkbox(label=task, on_change=lambda e, idx=index: delete_task(idx)),
ft.iconbutton(icon=ft.icons.delete, on_click=lambda e, idx=index: delete_task(idx))
]
)
)
...

#Flutter #PythonFlet #windows
Flutter app development
Python Flet
real-time app building
cross-platform apps
mobile app development
Flutter framework
Python integration
Flet library
UI design with Flutter
backend development with Python
responsive app design
app deployment
Flutter widgets
Python programming
mobile user experience