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

ViewModelPropertyDelegate

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

P

The type of the property being delegated.

key

Unique identifier for P.

Constructors

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constructor(key: String)

Functions

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

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

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fun setInitialValue(property: P)

Set the initial value of the property.