MeetingSession

val meetingId: String
val uid: String
val state: MeetingSessionState

val infosManager: InfosManager
val signInManager: SignInManager

session.setRoomEvent(event: MeetingRoomEvent?)
session.setUserEvent(event: MeetingUserEvent?)
session.setRoomMsgEvent(event: RoomMsgEvent?)
session.setMediaEvent(event: MeetingMediaEvent?)
session.setLocalVideoFrameEvent(event: MeetingLocalVideoFrameEvent?)
session.setLocalAudioFrameEvent(event: MeetingLocalAudioFrameEvent?)
session.setExtensionMessageEvent(event: ExtensionMessageEvent?)

fun leave()

engine.enterMeeting(
    activity,
    roomNo,
    null,
    nick,
    avatar,
    "wangsucdn",
    false,
    null,
    object : MeetingValueResultCallback<MeetingSession> {
        override fun onSuccess(value: MeetingSession) {
            session = value
            value.setUserEvent(object : MeetingUserSimpleEvent() {
                override fun onUserEnter(uid: String) {
                    // 更新成员列表
                }
            })
        }

        override fun onFail(errorCode: Int, message: String?) {
            // 根据 errorCode 生成用户提示；message 仅用于诊断
        }
    }
)