com.google.ar.core

    • Interfaces like Future and Trackable represent asynchronous operation completion and objects ARCore can track.

    • ARCore provides various classes such as Anchor , Session , and Frame for managing AR system state, defining real-world locations, and capturing system changes.

    • Several classes like AugmentedFace , AugmentedImage , and StreetscapeGeometry describe detected real-world elements with associated data and methods.

    • Enums within ARCore define states, behaviors, types, and availability for various features including Cloud Anchors, camera configurations, and tracking.

    • Asynchronous operations related to Cloud Anchors, Rooftop Anchors, and Terrain Anchors are handled by specific Future classes.

    Interfaces

    Future Futures represent the eventual completion of an asynchronous operation. 
    Trackable A Trackable is something that ARCore can track and that Anchors can be attached to. 

    Classes

    Anchor Describes a fixed location and orientation in the real world. 
    ArCoreApk Static methods for managing the status of ARCore on the device. 
    AugmentedFace Describes a face detected by ARCore and provides methods to access additional center and face region poses as well as face mesh related data. 
    AugmentedImage Describes the current best knowledge of a real-world augmented image. 
    AugmentedImageDatabase Database containing a list of images to be detected and tracked by ARCore. 
    Camera Provides information about the camera that is used to capture images. 
    CameraConfig Provides details of a camera configuration such as size of the CPU image and GPU texture. 
    CameraConfigFilter Allows the application to select the camera config filters it needs to enable/disable so that it can obtain the list of camera configs that are supported on the device camera. 
    CameraIntrinsics Provides information about the physical characteristics of the device camera, for the camera image (CPU) or texture (GPU). 
    Config Holds settings that are used to configure the session. 
    DepthPoint On supported devices, represents a depth image based HitResult returned by Frame.hitTest(float, float) . 
    Earth A Trackable implementation representing the Earth. 
    Frame Captures the state and changes to the AR system from a call to Session.update() . 
    GeospatialPose Describes a specific location, elevation, and orientation relative to Earth. 
    HitResult Defines an intersection between a ray and estimated real-world geometry. 
    HostCloudAnchorFuture Handle to an async operation launched by Session.hostCloudAnchorAsync(Anchor, int, BiConsumer) . 
    ImageFormat Image formats produced by ARCore. 
    ImageMetadata Provides access to metadata from the camera image capture result. 
    InstantPlacementPoint Trackable Instant Placement point returned by Frame.hitTestInstantPlacement(float, float, float) . 
    LightEstimate Holds information about the estimated lighting of the real scene. 
    Mesh Represents a polygon mesh describing geometry. 
    Plane Describes the current best knowledge of a real-world planar surface. 
    Point Represents a point in space that ARCore is tracking. 
    PointCloud Contains a set of observed 3D points and confidence values. 
    Pose Represents an immutable rigid transformation from one coordinate space to another. 
    RecordingConfig Configuration related to session recording. 
    ResolveAnchorOnRooftopFuture Handle to an async operation launched by Earth.resolveAnchorOnRooftopAsync(double, double, double, float, float, float, float, BiConsumer) . 
    ResolveAnchorOnTerrainFuture Handle to an async operation launched by Earth.resolveAnchorOnTerrainAsync(double, double, double, float, float, float, float, BiConsumer) . 
    ResolveCloudAnchorFuture Handle to an async operation launched by Session.resolveCloudAnchorAsync(String, BiConsumer) . 
    Session Manages AR system state and handles the session lifecycle. 
    SharedCamera The SharedCamera class allows the app to share control of the camera with ARCore and obtain image readers and surfaces for rendering. 
    StreetscapeGeometry Defines geometry such as terrain, buildings, or other structures obtained from the Streetscape Geometry API. 
    Track Configuration of a Track for recording data on session recording. 
    TrackData Data that was recorded to a track. 
    VpsAvailabilityFuture Handle to an async operation launched by Session.checkVpsAvailabilityAsync(double, double, Consumer) . 

    Enums

    Anchor.CloudAnchorState Result of a Cloud Anchor hosting or resolving operation. 
    Anchor.RooftopAnchorState Describes the Rooftop anchor state of asynchronous operation launched by Earth.resolveAnchorOnRooftopAsync(double, double, double, float, float, float, float, BiConsumer) . 
    Anchor.TerrainAnchorState Describes the result of a Terrain anchor operation. 
    ArCoreApk.Availability Describes the current state of ARCore availability on the device. 
    ArCoreApk.InstallBehavior Controls the behavior of the installation UI. 
    ArCoreApk.InstallStatus Indicates the outcome of a call to requestInstall() . 
    ArCoreApk.UserMessageType Controls the message displayed by the installation UI. 
    AugmentedFace.RegionType Defines face regions to query the pose for. 
    AugmentedImage.TrackingMethod Indicates whether an image is being tracked using the camera image, or is being tracked based on its last known pose. 
    CameraConfig.DepthSensorUsage Depth sensor usage. 
    CameraConfig.FacingDirection Describes the direction a camera looks relative to the device. 
    CameraConfig.StereoCameraUsage Stereo camera usage. 
    CameraConfig.TargetFps Target camera capture frame rates. 
    Config.AugmentedFaceMode Selects the behavior of Augmented Faces subsystem. 
    Config.CloudAnchorMode Describes the desired behavior of the ARCore Cloud Anchor API. 
    Config.DepthMode Selects the desired depth mode. 
    Config.FlashMode Selects the desired behavior of the camera flash subsystem. 
    Config.FocusMode On supported devices, selects the desired camera focus mode. 
    Config.GeospatialMode Describes the desired behavior of the ARCore Geospatial API. 
    Config.ImageStabilizationMode Describes the behavior of the Electronic Image Stabilization (EIS) API. 
    Config.InstantPlacementMode Select the behavior of Instant Placement. 
    Config.LightEstimationMode Select the behavior of the lighting estimation subsystem. 
    Config.PlaneFindingMode Select the behavior of the plane detection subsystem. 
    Config.SemanticMode Describes the desired behavior of the Scene Semantics API. 
    Config.StreetscapeGeometryMode Describes the behavior of the Geospatial Streetscape Geometry API. 
    Config.TextureUpdateMode Describes how ARCore will update the camera texture. 
    Config.UpdateMode Selects the behavior of Session.update() . 
    Coordinates2d 2D coordinate systems supported by ARCore. 
    Coordinates3d 3D coordinates supported by ARCore. 
    Earth.EarthState Describes the current state of Earth . 
    FutureState The state of an asynchronous operation. 
    InstantPlacementPoint.TrackingMethod Tracking methods for InstantPlacementPoint . 
    LightEstimate.State Light Estimate States. 
    Plane.Type Simple summary of the normal vector of a plane, for filtering purposes. 
    PlaybackStatus Describes the current playback status. 
    Point.OrientationMode Indicates the point orientation mode. 
    RecordingStatus Describes the current recording status. 
    SemanticLabel Defines the labels the Scene Semantics API is able to detect and maps human-readable names to per-pixel semantic labels. 
    Session.Feature Fundamental session features that can be requested using Session.Session(Context, Set) . 
    Session.FeatureMapQuality Indicates the quality of the visual features seen by ARCore in the preceding few seconds from a given camera Pose . 
    StreetscapeGeometry.Quality Describes the quality of the mesh data. 
    StreetscapeGeometry.Type Describes the type of a Streetscape Geometry. 
    TrackingFailureReason Describes possible AR tracking failure reasons. 
    TrackingState Describes the tracking state of the Trackable. 
    VpsAvailability Asynchronous result of calling Session.checkVpsAvailabilityAsync(double, double, Consumer) . 
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