@Override
            public void onDisplayRotationChanged(int rotation) {
                VRTARSceneNavigator navigator = weakSceneARRef.get();
                if (navigator != null) {
                    ViroViewARCore view = navigator.getARView();
                    if (view != null) {
                        view.setCameraRotation(rotation);
                    }
                }
            }
ARSceneNavigator manages the various AR scenes that a Viro App can navigate between.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/VRTARSceneNavigator.java