API reference

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Overview

horizon.core.android

horizon.core.android.binding

HorizonPlatformBridge

HorizonPlatformJavaBridge

horizon.core.android.common

HzPlatformCoreManagedException

HzPlatformCoreRuntimeException

HzPlatformNotInitializedException

LogEventData

Message

MessageUtils

horizon.core.android.common.ext

LocalDateTimeSerializer

horizon.core.android.common.inject

ObjectMapperProvider

horizon.core.android.common.pagination

horizon.core.android.common.pagination.ext

CursorsJson

PagingJSON

horizon.core.android.driver.callback

HorizonServiceConnection

HzPlatformCallback

horizon.core.android.driver.coroutines

HorizonPlatformConfig

HorizonServiceConnection

horizon.platform.abusereport

horizon.platform.achievements

Achievements

AchievementsException

horizon.platform.achievements.enums

horizon.platform.achievements.models

AchievementDefinition

AchievementDefinitionArray

AchievementProgress

AchievementProgressArray

AchievementUpdate

horizon.platform.application

horizon.platform.applicationlifecycle

horizon.platform.assetfile

AssetFile

AssetFileException

horizon.platform.assetfile.models

AssetDetails

AssetFileDeleteResult

AssetFileDownloadCancelResult

AssetFileDownloadResult

AssetFileDownloadUpdate

LanguagePackInfo

horizon.platform.deviceapplicationintegrity

DeviceApplicationIntegrity

DeviceApplicationIntegrityException

horizon.platform.grouppresence

horizon.platform.iap

horizon.platform.languagepack

LanguagePack

LanguagePackException

horizon.platform.leaderboards

horizon.platform.notifications

Notifications

NotificationsException

horizon.platform.notifications.configs

DeviceNotificationConfig

Overview

Builder

horizon.platform.pushnotification

PushNotification

PushNotificationException

horizon.platform.pushnotification.models

PushNotificationResult

horizon.platform.richpresence

RichPresence

RichPresenceException

horizon.platform.richpresence.models

Destination

DestinationArray

horizon.platform.richpresence.options

RichPresenceOptions

Overview

Builder

horizon.platform.useragecategory

UserAgeCategory

UserAgeCategoryException

horizon.platform.useragecategory.enums

AccountAgeCategory

Overview

Unknown

horizon.platform.useragecategory.models

UserAccountAgeCategory

horizon.platform.users

Code samples

Downloads

Release notes

FailedGameAlreadyStarted

Updated: Oct 30, 2025

FailedGameAlreadyStarted

@SerialName(value = "FAILED_GAME_ALREADY_STARTED")

The application launch failed because the game has already started.

Properties

Name	Summary
name	val name: String
ordinal	val ordinal: Int
value	val value: Int

About us

Virtual reality / Meta Horizon

Meta Horizon Creator Program

Discover

Why Meta Quest?

What is mixed reality?

Platforms and tools

2D apps for Meta Horizon OS

Support and legal

About us

Virtual reality / Meta Horizon

Meta Horizon Creator Program

Discover

Why Meta Quest?

What is mixed reality?

Platforms and tools

2D apps for Meta Horizon OS

Support and legal

About us

Virtual reality / Meta Horizon

Meta Horizon Creator Program

Discover

Why Meta Quest?

What is mixed reality?

Platforms and tools

2D apps for Meta Horizon OS

Support and legal

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