joplin-notes/joplin notion extension/Web Development/Python/Flet/Intro.md
2026-11-04 00:33:23 +05:30

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Intro
https://flet.dev/docs/
Flutter in python
- Installation
`pip install flet` (Need python version>3.8)
- Running code
`python counter.py`
- Sample code
```py
import flet as ft
def main(page: ft.Page):
page.title = "Flet counter example"
page.vertical_alignment = ft.MainAxisAlignment.CENTER
txt_number = ft.TextField(value="0", text_align=ft.TextAlign.RIGHT, width=100)
def minus_click(e):
txt_number.value = str(int(txt_number.value) - 1)
page.update()
def plus_click(e):
txt_number.value = str(int(txt_number.value) + 1)
page.update()
page.add(
ft.Row(
[
ft.IconButton(ft.icons.REMOVE, on_click=minus_click),
txt_number,
ft.IconButton(ft.icons.ADD, on_click=plus_click),
],
alignment=ft.MainAxisAlignment.CENTER,
)
)
ft.app(target=main)
```
- Packing
Need to install pyinstaller first using `pip install pyinstaller`
then
`flet pack counter.py`