Demo of scrolling TextField to last line when content added

auto_scrolling.py

import random

import flet
from flet import Column
from flet import Container
from flet import ElevatedButton
from flet import Page
from flet import TextField


def add_line(page: Page, text_field: TextField):
    text_field.value += "\n" + str(random.randint(1, 100))
    page.update()


def main(page: Page):
    text_field = TextField(max_lines=1000000)

    page.add(Column(
        expand=True,
        controls=[
            Container(content=Column(controls=[text_field], scroll="auto", auto_scroll=True), expand=True),
            ElevatedButton("Add line", on_click=lambda e: add_line(page, text_field))
        ]
    ))
    page.update()


flet.app(target=main)