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CupertinoTimerPicker

A countdown timer picker in iOS style.

To open this control, simply call the page.open() helper-method.

Examples​

Live example

Basic Example​

import time
import flet as ft


def main(page):
    page.horizontal_alignment = ft.CrossAxisAlignment.CENTER

    timer_picker_value_ref = ft.Ref[ft.Text]()

    def handle_timer_picker_change(e):
        # e.data is the selected time in seconds
        timer_picker_value_ref.current.value = time.strftime("%H:%M:%S", time.gmtime(int(e.data)))
        page.update()

    cupertino_timer_picker = ft.CupertinoTimerPicker(
        value=3600,
        second_interval=10,
        minute_interval=1,
        mode=ft.CupertinoTimerPickerMode.HOUR_MINUTE_SECONDS,
        on_change=handle_timer_picker_change,
    )

    page.add(
        ft.Row(
            tight=True,
            controls=[
                ft.Text("TimerPicker Value:", size=23),
                ft.CupertinoButton(
                    content=ft.Text(
                        ref=timer_picker_value_ref,
                        value="00:01:10",
                        size=23,
                        color=ft.cupertino_colors.DESTRUCTIVE_RED,
                    ),
                    on_click=lambda e: page.open(
                        ft.CupertinoBottomSheet(
                            cupertino_timer_picker,
                            height=216,
                            padding=ft.padding.only(top=6),
                        )
                    ),
                ),
            ],
        ),
    )


ft.app(main)

Properties​

alignment​

Defines how the timer picker should be positioned within its parent.

Value is of type Alignment and defaults to alignment.center.

bgcolor​

The background color of the timer picker.

mode​

The mode of the timer picker. Value is of type CupertinoTimerPickerMode and defaults to CupertinoTimerPickerMode.HOUR_MINUTE_SECOND.

item_extent​

The uniform height of all children.

Defaults to 32.

second_interval​

The granularity of the second spinner. Must be a positive integer factor of 60.

Defaults to 1.

minute_interval​

The granularity of the minute spinner. Must be a positive integer factor of 60.

Defaults to 1.

value​

The initial duration in seconds of the countdown timer.

Defaults to 0.

Events​

on_change​

Fires when the timer duration changes.