redwood-widget/app.cash.redwood.widget/Widget/Children

Children

An interface for manipulating a widget's list of children.

Arguments to these methods can be assumed to be validated against the current state of the list. No additional validation needs to be performed (for example, checking index bounds).

Inheritors

Properties

widgets

abstract val widgets: List<Widget<W>>

A view of current child widgets. This list will change its contents as the mutator functions below are invoked.

Functions

detach

abstract fun detach()

Clear widgets without triggering an update the displayed UI.

insert

abstract fun insert(index: Int, widget: Widget<W>)

Insert child widget at index.

move

abstract fun move(fromIndex: Int, toIndex: Int, count: Int)

Move count child widgets from fromIndex to toIndex.

onModifierUpdated

abstract fun onModifierUpdated(index: Int, widget: Widget<W>)

Indicates that Modifiers for the child widgets have changed.

remove

abstract fun remove(index: Int, count: Int)

Remove count child widgets starting from index.