API reference - ARCore SDK for Android NDK (C)

API reference for the ARCore SDK for Android NDK (C).

Modules
Concepts	High-Level ARCore concepts.
Shared types and enums	Shared types and constants.
Utility functions	Utility functions for releasing data.
C++ type conversions	These functions expose allowable type conversions as C++ helper functions.
ArAnchor	Describes a fixed location and orientation in the real world, representing local and Cloud Anchors.
ArAugmentedFace	Describes a face detected by ARCore and provides functions to access additional center and face region poses as well as face mesh related data.
ArAugmentedImage	An image being detected and tracked by ARCore.
ArAugmentedImageDatabase	Database containing a list of images to be detected and tracked by ARCore.
ArCamera	Provides information about the camera that is used to capture images.
ArCameraConfig	Camera configuration.
ArCameraConfigFilter	Filters available camera configurations.
ArCameraIntrinsics	Provides information about the physical characteristics of the device camera.
ArConfig	Session configuration.
ArCoreApk	Functions for installing and updating "Google Play Services for AR" (ARCore) and determining whether the current device is an ARCore supported device.
ArFrame	Per-frame state.
ArHitResult	Defines an intersection between a ray and estimated real-world geometry.
ArImage	Provides access to CPU camera images.
ArImageMetadata	Provides access to CPU image camera metadata.
ArInstantPlacementPoint	Trackable Instant Placement point returned by ArFrame_hitTestInstantPlacement.
ArLightEstimate	Holds information about the estimated lighting of the real scene.
ArPlane	Describes the current best knowledge of a real-world planar surface.
ArPoint	Represents a point in space that ARCore is tracking.
ArPointCloud	Contains a set of observed 3D points and confidence values.
ArPose	Represents an immutable rigid transformation from one coordinate space to another.
ArRecordingConfig	Session recording management.
ArSession	Session management.
ArTrackable	Something that can be tracked and that anchors can be attached to.

Structs
ArImageMetadata_const_entry	Defines a single read-only image metadata entry.
ArImageMetadata_rational	Defines a rational data type in ArImageMetadata_const_entry.