void Start()
{
#if (UNITY_2018_3_OR_NEWER && UNITY_ANDROID)
permissionList.Add(Permission.Microphone);
permissionList.Add(Permission.Camera);
permissionList.Add(Permission.ExternalStorageRead);
permissionList.Add(Permission.ExternalStorageWrite);
#endif
#if UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
Screen.fullScreen = false;
Application.wantsToQuit += OnApplicationGoingToQuit;
#endif
mControlButton = GameObject.Find("ControlButton").GetComponent <Button>();
//mControlButton.onClick.AddListener(OnControlButtonClicked);
GameObject go = GameObject.Find("LocalVideoCube");
VideoDisplaySurface surface = go.AddComponent <VideoDisplaySurface>();
go = GameObject.Find("RemoteVideoCube");
surface = go.AddComponent <VideoDisplaySurface>();
//create alirtc engine
string extra = "";
mRtcEngine = IAliRtcEngine.GetEngine(extra);
//set callback
#if UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
IAliRtcEngine.OnJoinChannelNotify = onJoinChannelNotify;
IAliRtcEngine.OnPublishNotify = onPublishNotify;
IAliRtcEngine.OnSubscribeNotify = onSubscribeNotify;
IAliRtcEngine.OnRemoteUserOnLineNotify = onRemoteUserOnLineNotify;
IAliRtcEngine.OnRemoteUserOffLineNotify = onRemoteUserOffLineNotify;
IAliRtcEngine.OnRemoteTrackAvailableNotify = onRemoteTrackAvailableNotify;
IAliRtcEngine.OnSubscribeChangedNotify = onSubscribeChangedNotify;
IAliRtcEngine.OnLeaveChannelResultNotify = onLeaveChannelResultNotify;
#else
mRtcEngine.OnJoinChannelNotify = onJoinChannelNotify;
mRtcEngine.OnPublishNotify = onPublishNotify;
mRtcEngine.OnSubscribeNotify = onSubscribeNotify;
mRtcEngine.OnRemoteUserOnLineNotify = onRemoteUserOnLineNotify;
mRtcEngine.OnRemoteUserOffLineNotify = onRemoteUserOffLineNotify;
mRtcEngine.OnRemoteTrackAvailableNotify = onRemoteTrackAvailableNotify;
mRtcEngine.OnSubscribeChangedNotify = onSubscribeChangedNotify;
mRtcEngine.OnLeaveChannelResultNotify = onLeaveChannelResultNotify;
#endif
//set auto publish and subscribe
mRtcEngine.SetAutoPublish(true, true);
}
