onExpressionDetectResult method
@hidden for intrnal use only
@detail callback
@author zhushufan.ref
@brief Callback of the result of face detection with Effect SDK.
After calling registerFaceDetectionObserver:withInterval: and setVideoEffectExpressionDetect:{@link #ByteRTCVideoEffect#setVideoEffectExpressionDetect}, you will receive this callback.
@param result Expression detection result. See ByteRTCExpressionDetectResult{@link #ByteRTCExpressionDetectResult}.
Implementation
FutureOr<void> onExpressionDetectResult(
ByteRTCExpressionDetectResult result) async {}