litho-core/com.facebook.litho/DynamicValue

DynamicValue

open class DynamicValue<T>(initialValue: T)

Class represents a DynamicValue, and provides users with ability to change the value, by exposing one public method set It also allows attaching listeners (package level access), and takes care of notifying them when the held value changes.

Parameters

type of value held

Inheritors

Constructors

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constructor(initialValue: T)

Types

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fun interface OnValueChangeListener<T>

Interface definition for a callback to be invoked when value changes.

Properties

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val numberOfListeners: Int

Retrieves the amount of listeners attached to this DynamicValue.

Functions

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fun attachListener(listener: DynamicValue.OnValueChangeListener<T>)

Register a callback to be invoked when the value changes.

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fun detach(listener: DynamicValue.OnValueChangeListener<T>)

Remove a callback.

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@UiThread
fun get(): T

Retrieves the current value.

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@UiThread
fun set(value: T)

Sets current value and notifies all the attached listeners