TrackerError

Passed to TrackerError handlers on RTAnimationTracker and FaceAnimatorService to indicate why face tracking failed or stopped. TrackerError.Ok is a clean state; other values cover initialization, service availability, video input, or audio input failures.

Items

Name	Value	Description
Ok	0	No error; the tracker is operating normally.
NoService	1	A required engine service was unavailable when the tracker attempted to connect.
InitFailed	2	The tracker failed to create or initialize its tracking session.
NoVideo	3	Video input is unavailable because no camera device was found or the camera was disconnected.
VideoError	4	A generic video error occurred during face-tracking camera input processing.
VideoNoPermission	5	The user denied camera permission required for video-based face tracking.
VideoUnsupported	6	Video-based face tracking is not supported on this device or platform.
NoAudio	7	Audio input is unavailable because `SoundService` could not be found or connected.
AudioError	8	A generic audio error occurred during face-tracking audio input processing.
AudioNoPermission	9	The user denied microphone permission required for audio-based face tracking.
UnsupportedDevice	10	The current device or platform does not support face tracking.

Ok

No error; the tracker is operating normally.

Field	Value
value	0

NoService

A required engine service was unavailable when the tracker attempted to connect.

Field	Value
value	1

InitFailed

The tracker failed to create or initialize its tracking session.

Field	Value
value	2

NoVideo

Video input is unavailable because no camera device was found or the camera was disconnected.

Field	Value
value	3

VideoError

A generic video error occurred during face-tracking camera input processing.

Field	Value
value	4

VideoNoPermission

The user denied camera permission required for video-based face tracking.

Field	Value
value	5

VideoUnsupported

Video-based face tracking is not supported on this device or platform.

Field	Value
value	6

NoAudio

Audio input is unavailable because SoundService could not be found or connected.

Field	Value
value	7

AudioError

A generic audio error occurred during face-tracking audio input processing.

Field	Value
value	8

AudioNoPermission

The user denied microphone permission required for audio-based face tracking.

Field	Value
value	9

UnsupportedDevice

The current device or platform does not support face tracking.

Field	Value
value	10