addObserver method
void
addObserver()
Implementation
void addObserver() {
observer = TUIRoomObserver(
onAllUserMicrophoneDisableChanged: (roomId, isDisable) {
isAllMute.value = isDisable;
},
onAllUserCameraDisableChanged: (roomId, isDisable) {
isAllCameraDisable.value = isDisable;
},
);
_engineManager.addObserver(observer);
}