platform_frontend_api_common_frontend/com.tomtom.ivi.platform.frontend.api.common.frontend.viewmodels/ViewModelPropertyDelegate

ViewModelPropertyDelegate

@IviExperimental(reasons = [])

class ViewModelPropertyDelegate<P : Any>(key: String) : ReadOnlyProperty<Any?, P>

This can be used to store a property of a fragment in a ViewModelStore. The property will be encapsulated in a ViewModel and stored, so that it can be retrieved upon re-creation of a fragment.

Parameters

The type of the property being delegated.

key

Unique identifier for P.

Constructors

ViewModelPropertyDelegate

fun ViewModelPropertyDelegate(key: String)

Functions

getValue

open operator override fun getValue(thisRef: Any?, property: KProperty<*>): P

initialize

fun initialize(viewModelStoreOwner: ViewModelStoreOwner)

Initialize the delegated property by either restoring or storing it in the ViewModelStore of the ViewModelStoreOwner.

setInitialValue

fun setInitialValue(property: P)

Set the initial value of the property.