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View

View is the top most container for all other controls.

A root view is automatically created when a new user session started. From layout perspective the View represents a Column control, so it has a similar behavior and shares same properties.

Properties

appbar

A AppBar control to display at the top of the Page.

auto_scroll

True if scrollbar should automatically move its position to the end when children updated. Must be False for scroll_to() method to work.

bgcolor

Background color of the Page.

A color value could be a hex value in #ARGB format (e.g. #FFCC0000), #RGB format (e.g. #CC0000) or a named color from flet.colors module.

controls

A list of Controls to display on the Page.

For example, to add a new control to a page:

page.controls.append(ft.Text("Hello!"))
page.update()

or to get the same result as above using page.add() shortcut method:

page.add(ft.Text("Hello!"))

To remove the top most control on the page:

page.controls.pop()
page.update()

route

View's route - not currently used by Flet framework, but can be used in a user program to update page.route when a view popped.

floating_action_button

A FloatingActionButton control to display on top of Page content.

horizontal_alignment

How the child Controls should be placed horizontally.

Default value is CrossAxisAlignment.START which means on the left side of the Page.

Property value is CrossAxisAlignment enum with the following values:

  • START (default)
  • CENTER
  • END
  • STRETCH
  • BASELINE

on_scroll_interval

Throttling in milliseconds for on_scroll event. Default is 10.

padding

A space between page contents and its edges. Default value is 10 pixels from each side. To set zero padding:

page.padding = 0
page.update()

See Container.padding for more information and possible values.

scroll

Enables a vertical scrolling for the Page to prevent its content overflow.

Property value is an optional ScrollMode enum with None as default.

Supported values:

  • None (default) - the Row is non-scrollable and its content could overflow.
  • AUTO - scrolling is enabled and scroll bar is only shown when scrolling occurs.
  • ADAPTIVE - scrolling is enabled and scroll bar is always shown when running app as web or desktop.
  • ALWAYS - scrolling is enabled and scroll bar is always shown.
  • HIDDEN - scrolling is enabled, but scroll bar is always hidden.

spacing

Vertical spacing between controls on the Page. Default value is 10 virtual pixels. Spacing is applied only when alignment is set to start, end or center.

vertical_alignment

How the child Controls should be placed vertically.

For example, MainAxisAlignment.START, the default, places the children at the top of a Page.

Property value is MainAxisAlignment enum with the following values:

  • START (default)
  • END
  • CENTER
  • SPACE_BETWEEN
  • SPACE_AROUND
  • SPACE_EVENLY

Methods

scroll_to(offset, delta, key, duration, curve)

Moves scroll position to either absolute offset, relative delta or jump to the control with specified key.

See Column.scroll_to() for method details and examples.

Events

on_scroll

Fires when scroll position is changed by a user.

See Column.on_scroll for event details and examples.