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

ViewModelNumberProperty

class ViewModelNumberProperty(unsafeCppPointer: Long, fileLock: ReentrantLock) : ViewModelProperty<Float>

A number property of a ViewModelInstance. Use value to mutate the property.

Parameters

unsafeCppPointer

Pointer to the C++ counterpart.

fileLock

Lock shared by the File and native graph this property mutates. Updated through ViewModelProperty.updateFileLock when assigned to another native graph.

Constructors

ViewModelNumberProperty

constructor(unsafeCppPointer: Long, fileLock: ReentrantLock)

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: Float

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

valueFlow

val valueFlow: StateFlow<Float>

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.