com.facebook.litho

Class EmptyComponent

java.lang.Object

com.facebook.litho.Component

com.facebook.litho.EmptyComponent

All Implemented Interfaces:

Equivalence<Component>, EventDispatcher, HasEventDispatcher, java.lang.Cloneable

public final class EmptyComponent
extends Component

A component which renders nothing.

Nested Class Summary

Nested classes/interfaces inherited from class com.facebook.litho.Component

Component.Builder<T extends Component.Builder<T>>, Component.ContainerBuilder<T extends Component.ContainerBuilder<T>>, Component.MountType, Component.RenderData

Constructor Summary

Constructors

Constructor and Description
EmptyComponent()

Method Summary

Modifier and Type	Method and Description
protected RenderResult	render(RenderStateContext renderStateContext, ComponentContext c, int widthSpec, int heightSpec) Invokes the Component-specific render implementation, returning a RenderResult.

Methods inherited from class com.facebook.litho.Component

canMeasure, clone, createMountContent, dispatchErrorEvent, dispatchOnEvent, dispatchOnEventImpl, equals, excludeFromIncrementalMount, getCommonProps, getDynamicProps, getErrorHandler, getEventDispatcher, getEventTrigger, getEventTrigger, getHandle, getMountType, getSimpleName, getTreePropFromParent, getTypeId, hasChildLithoViews, hasClickHandlerSet, hashCode, implementsShouldUpdate, isEqualivalentTreeProps, isEquivalentCommonProps, isEquivalentProps, isEquivalentTo, isEquivalentTo, isLayoutSpecWithSizeSpec, isPureRender, isPureRender, makeShallowCopy, measure, measure, measureMightNotCacheInternalNode, newEventHandler, newEventTrigger, newEventTrigger, onCreateMountContent, onCreateTransition, onLoadStyle, onPopulateAccessibilityNode, onPopulateExtraAccessibilityNode, prepare, registerWorkingRange, resolve, retrieveValue, shouldUpdate, toString, transferState, usesLocalStateContainer, willRender

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EmptyComponent

public EmptyComponent()

Method Detail

render

protected RenderResult render(RenderStateContext renderStateContext,
                              ComponentContext c,
                              int widthSpec,
                              int heightSpec)

Description copied from class: Component

Invokes the Component-specific render implementation, returning a RenderResult. The RenderResult will have the Component this Component rendered to (which will then need to be render()'ed or #resolve(LayoutStateContext, ComponentContext)'ed), as well as other metadata from that render call such as transitions that should be applied.

Overrides:

render in class Component