[初学者向け] 今話題のFletのいっちばん最初のチュートリアルのカウンターアプリをサクッと解説！！！！！！ - Qiita

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( [ f