Nice GUI
The fastest way to build Flutter apps in Python
Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.
pip3 install nicegui
Basic App
python
from nicegui import ui
ui.icon('thumb_up')
ui.markdown('This is **Markdown**.')
ui.html('This is <strong>HTML</strong>.')
with ui.row():
ui.label('CSS').style('color: #888; font-weight: bold')
ui.label('Tailwind').classes('font-serif text-red-500')
ui.label('Quasar').classes('q-ml-xl')
ui.link('NiceGUI on GitHub', 'https://github.com/zauberzeug/nicegui')
ui.run()UI Elements
python
from nicegui import ui
from nicegui.events import ValueChangeEventArguments
def show(event: ValueChangeEventArguments):
name = type(event.sender).__name__
ui.notify(f'{name}: {event.value}')
ui.button('Button', on_click=lambda: ui.notify('Click'))
with ui.row():
ui.checkbox('Checkbox', on_change=show)
ui.switch('Switch', on_change=show)
ui.radio(['A', 'B', 'C'], value='A', on_change=show).props('inline')
with ui.row():
ui.input('Text input', on_change=show)
ui.select(['One', 'Two'], value='One', on_change=show)
ui.link('And many more...', '/documentation').classes('mt-8')
ui.run()Binding
python
from nicegui import ui
class Demo:
def __init__(self):
self.number = 1
demo = Demo()
v = ui.checkbox('visible', value=True)
with ui.column().bind_visibility_from(v, 'value'):
ui.slider(min=1, max=3).bind_value(demo, 'number')
ui.toggle({1: 'A', 2: 'B', 3: 'C'}).bind_value(demo, 'number')
ui.number().bind_value(demo, 'number')
ui.run()