XRFaceTrackingFeature
This OpenXRInteractionFeature configures new extension 
XR_ANDROID_face_tracking and provides face blendshape parameter vectors at runtime. 
Summary
Inheritance
Inherits from:OpenXRFeature| Public attributes | |
|---|---|
| FaceTrackingExtensionString = "XR_ANDROID_face_tracking" | const stringThe OpenXR Extension string.  | 
| FeatureId = "com.google.xr.extensions.face_tracking" | const stringThe feature ID string.  | 
| UiName = "Android XR: Face Tracking" | const stringThe UI name shows on the XR Plug-in Management panel, help users to understand validation errors and expected fixes.  | 
| Public static attributes | |
|---|---|
| IsFaceTrackingExtensionEnabled => _faceTrackingExtensionEnabled | boolGets if the required OpenXR extension is enabled.  | 
| RequiredPermission =
            AndroidXRPermission.FaceTracking | readonly AndroidXRPermissionRuntime permission required to enable face tracking.  | 
Public attributes
FaceTrackingExtensionString
const string FaceTrackingExtensionString = "XR_ANDROID_face_tracking"
The OpenXR Extension string.
Used to check if this extensions is available or enabled.
FeatureId
const string FeatureId = "com.google.xr.extensions.face_tracking"
The feature ID string.
UiName
const string UiName = "Android XR: Face Tracking"
The UI name shows on the XR Plug-in Management panel, help users to understand validation errors and expected fixes.
Public static attributes
IsFaceTrackingExtensionEnabled
bool IsFaceTrackingExtensionEnabled => _faceTrackingExtensionEnabled
Gets if the required OpenXR extension is enabled.
When OpenXR runtime is waiting, it returns null. Otherwise, it indicates whether the XR_ANDROID_face_tracking extension is enabled. 
RequiredPermission
readonly AndroidXRPermission RequiredPermission = AndroidXRPermission.FaceTracking
Runtime permission required to enable face tracking.
