data class FrontendMetadata( val id: FrontendMetadataId, val creationPolicy: FrontendCreationPolicy = FrontendCreationPolicy.CREATE_FRONTEND_AFTER_STARTUP, val launchMenuItem: MenuItem? = null, val frontendExtensions: Collection<FrontendExtension> = emptyList(), val availablePanelTypes: PanelTypeSet = PLATFORM_PANEL_TYPES, val frontendBuilderFactory: () -> FrontendBuilder)

Encapsulates metadata describing a Frontend.

FrontendMetadataId

data class FrontendMetadataId(val id: String)

A unique FrontendMetadata identifier per IviInstanceId.

IviFragment

abstract class IviFragment<P : AnyPanel, VM : FrontendViewModel<P>> : Fragment, HasDefaultViewModelProviderFactory

A base class for fragments that contain the contents of frontend panels. Typical IVI fragments are responsible for creating a layout and linking it to a ViewModel. The viewModelClass is responsible for the business logic and the state of a fragment. This is because, unlike fragments, ViewModels are persistent across configuration changes.

OnBackPressedConsumer

interface OnBackPressedConsumer

An interface for components capable of consuming hardware back button presses.

OnBackPressedConsumerOwner

class OnBackPressedConsumerOwner : OnBackPressedConsumer

A helper class for managing multiple OnBackPressedConsumers.

Functions

onBackPressed

fun Sequence<OnBackPressedConsumer>.onBackPressed(): Boolean

Propagates a back press event across a list of consumers. This starts by offering the event to the first consumer and passing it on to the next, until a consumer returns true.