/**
* Called when the item is assumed to be gone for good. Remove the graphic annotation from the
* overlay.
*/
@Override
public void onDone() {
mOverlay.remove(mGraphic);
}
/**
* Hide the graphic when the corresponding face was not detected. This can happen for intermediate
* frames temporarily, for example if the face was momentarily blocked from view.
*/
@Override
public void onMissing(Detector.Detections<T> detectionResults) {
mOverlay.remove(mGraphic);
}