XRTrackableFeature
This OpenXRInteractionFeature configures new extension XR_ANDROID_trackables at runtime and provides XRPlaneSubsystem implementation that works on Android XR platform. 
Note: due to the dependency on XRSessionFeature, its priority must be lower than session feature so the feature registration happens after XrInstanceManager creation.
Summary
Inheritance
Inherits from:OpenXRFeature| Public attributes | |
|---|---|
| ExtensionString = "XR_ANDROID_trackables" | const stringThe OpenXR Extension string.  | 
| FeatureId = "com.google.xr.extensions.trackables" | const stringThe feature ID string.  | 
| UiName = "Android XR (Extensions): Plane" | const stringThe UI name shows on the XR Plug-in Management panel, help users to understand validation errors and expected fixes.  | 
| Public static attributes | |
|---|---|
| IsExtensionEnabled => _extensionEnabled | boolGets if the required OpenXR extension is enabled.  | 
| RequiredPermission =
            AndroidXRPermission.SceneUnderstandingCoarse | readonly AndroidXRPermissionRuntime permission required to enable scene understanding.  | 
Public attributes
ExtensionString
const string ExtensionString = "XR_ANDROID_trackables"
The OpenXR Extension string.
Used to check if this extensions is available or enabled.
FeatureId
const string FeatureId = "com.google.xr.extensions.trackables"
The feature ID string.
UiName
const string UiName = "Android XR (Extensions): Plane"
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 extension is available on current device. 
RequiredPermission
readonly AndroidXRPermission RequiredPermission = AndroidXRPermission.SceneUnderstandingCoarse
Runtime permission required to enable scene understanding.
