XRMarkerTrackingFeature

This OpenXRInteractionFeature configures Android XR extensions XR_ANDROID_trackables and XR_ANDROID_trackables_marker at runtime and provides XRImageTrackingSubsystem implementation that works on Android XR platform.

Note: due to the dependency on XRSessionFeature, its priority must be lower than it so the feature registration happens after XrInstanceManager creation.

Summary

Inheritance

Inherits from: OpenXRFeature

Public attributes
ExtensionStrings = "XR_ANDROID_trackables " + "XR_ANDROID_trackables_marker"
const string
The OpenXR Extension string.
FeatureId = "com.google.xr.extensions.marker_tracking"
const string
The feature ID string.
UiName = "Android XR (Extensions): Image Tracking (Marker)"
const string
The UI name shows on the XR Plug-in Management panel, help users to understand validation errors and expected fixes.

Public static attributes
IsExtensionEnabled => _extensionEnabled
bool
Gets if the required OpenXR extension is enabled.
RequiredPermission = AndroidXRPermission.SceneUnderstandingCoarse
Runtime permission required to enable scene understanding.

Public attributes

ExtensionStrings

const string ExtensionStrings =
            "XR_ANDROID_trackables " +
            "XR_ANDROID_trackables_marker"

The OpenXR Extension string.

Used to check if this extensions is available or enabled.

FeatureId

const string FeatureId = "com.google.xr.extensions.marker_tracking"

The feature ID string.

UiName

const string UiName = "Android XR (Extensions): Image Tracking (Marker)"

The UI name shows on the XR Plug-in Management panel, help users to understand validation errors and expected fixes.

Public static attributes

IsExtensionEnabled

bool IsExtensionEnabled => _extensionEnabled

Gets if the required OpenXR extension is enabled.

When OpenXR runtime is waiting, it returns null. Otherwise, it indicates whether the XR_ANDROID_trackables and XR_ANDROID_trackables_marker extensions are available on current device.

RequiredPermission

readonly AndroidXRPermission RequiredPermission =
            AndroidXRPermission.SceneUnderstandingCoarse

Runtime permission required to enable scene understanding.