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IconButton

An icon button is a round button with an icon in the middle that reacts to touches by filling with color (ink).

Icon buttons are commonly used in the toolbars, but they can be used in many other places as well.

Examples​

Live example

Icon buttons​

import flet as ft


def main(page: ft.Page):
    page.title = "Icon buttons"
    page.add(
        ft.Row(
            [
                ft.IconButton(
                    icon=ft.icons.PAUSE_CIRCLE_FILLED_ROUNDED,
                    icon_color="blue400",
                    icon_size=20,
                    tooltip="Pause record",
                ),
                ft.IconButton(
                    icon=ft.icons.DELETE_FOREVER_ROUNDED,
                    icon_color="pink600",
                    icon_size=40,
                    tooltip="Delete record",
                ),
            ]
        ),
    )


ft.app(main)

Icon button with click event​

import flet as ft


def main(page: ft.Page):
    page.title = "Icon button with 'click' event"

    def button_clicked(e):
        b.data += 1
        t.value = f"Button clicked {b.data} time(s)"
        page.update()

    b = ft.IconButton(
        icon=ft.icons.PLAY_CIRCLE_FILL_OUTLINED, on_click=button_clicked, data=0
    )
    t = ft.Text()

    page.add(b, t)

ft.app(main)

Properties​

adaptive​

If the value is True, an adaptive button is created based on whether the target platform is iOS/macOS.

On iOS and macOS, a CupertinoButton is created, which matches the functionality and presentation of this button. On other platforms, a Material IconButton is created.

Defaults to False.

alignment​

Defines how the icon is positioned within the IconButton. Alignment is an instance of Alignment class.

Defaults to alignment.center.

autofocus​

True if the control will be selected as the initial focus. If there is more than one control on a page with autofocus set, then the first one added to the page will get focus.

content​

A Control representing custom button content.

disabled_color​

The color to use for the icon inside the button when disabled.

enable_feedback​

Whether detected gestures should provide acoustic and/or haptic feedback. On Android, for example, setting this to True produce a click sound and a long-press will produce a short vibration.

Defaults to True.

focus_color​

The button's color when in focus.

highlight_color​

The button's color when the button is pressed. The highlight fades in quickly as the button is held down.

hover_color​

The button's color when hovered.

icon​

Icon shown in the button.

icon_color​

Icon color.

icon_size​

Icon size in virtual pixels.

mouse_cursor​

The cursor to be displayed when a mouse pointer enters or is hovering over this control.

Value is of type MouseCursor.

padding​

Defines the padding around this button. The entire padded icon will react to input gestures.

Value is of type Padding and defaults to padding.all(8).

selected​

Turns icon button to a toggle button: True - the button is in selected state, False - in normal.

selected_icon​

Icon shown in the button in selected state.

selected_icon_color​

Icon color for the selected state.

An example of icon toggle button:

import flet as ft

def main(page: ft.Page):

    def toggle_icon_button(e):
        e.control.selected = not e.control.selected
        e.control.update()

    page.add(
        ft.IconButton(
            icon=ft.icons.BATTERY_1_BAR,
            selected_icon=ft.icons.BATTERY_FULL,
            on_click=toggle_icon_button,
            selected=False,
            style=ft.ButtonStyle(color={"selected": ft.colors.GREEN, "": ft.colors.RED}),
        )
    )

ft.app(main)

splash_color​

The primary color of the button when the button is in the down (pressed) state.

splash_radius​

The splash radius. Honoured only when in Material 2.

style​

Value is of type ButtonStyle.

tooltip​

The text displayed when hovering the mouse over the button.

url​

The URL to open when the button is clicked. If registered, on_click event is fired after that.

url_target​

Where to open URL in the web mode.

Value is of type UrlTarget and defaults to UrlTarget.BLANK.

visual_density​

Defines how compact the control's layout will be.

Value is of type ThemeVisualDensity.

Methods​

focus()​

Moves focus to a button.

Events​

on_blur​

Fires when the control has lost focus.

on_click​

Fires when a user clicks the button.

on_focus​

Fires when the control has received focus.