Rive Android/app.rive.runtime.kotlin.core/ViewModelTriggerProperty

ViewModelTriggerProperty

class ViewModelTriggerProperty(unsafeCppPointer: Long, fileLock: ReentrantLock) : ViewModelProperty<ViewModelTriggerProperty.TriggerUnit>

A trigger property of a ViewModelInstance. Use trigger fire the trigger.

Constructors

constructor(unsafeCppPointer: Long, fileLock: ReentrantLock)

Types

TriggerUnit

class TriggerUnit

A type similar to Unit for triggers. Unlike Unit, this type can have unique instances to trigger kotlinx.coroutines.flow.StateFlow updates.

Properties

cppPointer

var cppPointer: Long

Getter/Setter for the underlying C++ pointer value.

dependencies

val dependencies: MutableList<RefCount>

hasCppObject

val hasCppObject: Boolean

Whether this objects underlying pointer is still valid.

name

val name: String

The name of the property.

refCount

open val refCount: Int

refs

override var refs: AtomicInteger

value

var value: ViewModelTriggerProperty.TriggerUnit

The current value of the property, whether set by this property or by a data binding update.

valueFlow

val valueFlow: StateFlow<ViewModelTriggerProperty.TriggerUnit>

A flow of the property's value. Use for observing changes.

Functions

acquire

@Synchronized

open override fun acquire(): Int

Increments the references for this counter. Cannot be used for initialization - use refs.incrementAndGet instead.

cppDelete

open fun cppDelete(pointer: Long)

cppHasChanged

@VisibleForTesting(otherwise = 2)

external fun cppHasChanged(cppPointer: Long): Boolean

cppName

external fun cppName(cppPointer: Long): String

release

open override fun release(): Int

Release this property while holding the current file lock.

trigger

fun trigger()

ViewModelTriggerProperty

See also

Constructors

Types

Properties

Functions