I download Unity SDK 1.7.0, and create a unity project, import the nreal sdk.
And open the demos folder’s HelloMR scene, build the project and run it on zhe LG phone.
Nebula app is run very well.But run the apk that unity built, it crash and show glasses is not connect error.
The log info is here.
2021-12-22 16:40:54.934 20163-20834/? W/NREAL: [2021-12-22 16:40:54.934] [WARN] [NRSDK] Log Info: pid:20163, time:2021-12-22 16:40:54 (+0800)
2021-12-22 16:40:54.936 20163-20834/? I/NREAL: [2021-12-22 16:40:54.936] [INFO] [NRSDK] NRSDK Version: 1.7.0.2021092817
2021-12-22 16:40:54.936 20163-20834/? I/NREAL: [2021-12-22 16:40:54.936] [INFO] [NRSDK] NRSDK Create!
2021-12-22 16:40:54.958 20163-20834/? I/NREAL: [2021-12-22 16:40:54.958] [INFO] [NRSDK] NRSDK Init!
2021-12-22 16:40:54.998 20163-20779/? I/CONTROLLER: loadplugin controller run with new ControllerSimple
2021-12-22 16:40:54.998 20163-20779/? V/HandTracking: NRPluginLoad
2021-12-22 16:40:54.998 20163-20779/? V/HandTracking: load HandTracking 0x7288079360
2021-12-22 16:40:54.998 20163-20834/? I/NREAL: [2021-12-22 16:40:54.998] [INFO] [NRSDK] NRSDK Init Switch!
2021-12-22 16:40:58.000 20163-20779/? W/ServerHelper: Timeout while get server name
2021-12-22 16:40:58.001 20163-20779/? W/ServerHelper: Get server:
2021-12-22 16:40:58.001 20163-20834/? W/NREAL: [2021-12-22 16:40:58.001] [WARN] [NRSDK] can not get server path from broadcast
2021-12-22 16:40:58.034 20163-20779/? E/Parcel: Reading a NULL string not supported here.
2021-12-22 16:40:58.082 20163-20779/? I/chatty: uid=10642(com.cn.vector4d.TestNreal) UnityMain identical 43 lines
2021-12-22 16:40:58.083 20163-20779/? E/Parcel: Reading a NULL string not supported here.
2021-12-22 16:40:58.085 20163-20834/? I/NREAL: [2021-12-22 16:40:58.085] [INFO] [NRSDK] Default Server Info:ai.nreal.nebula
2021-12-22 16:40:58.085 20163-20835/? D/Connector: connect
2021-12-22 16:40:58.086 20163-20835/? D/Connector: disconnect
2021-12-22 16:40:58.086 20163-20834/? E/NREAL: [2021-12-22 16:40:58.086] [ERROR] [NRSDK] SparrowClient remove connection status=0x50ffd
2021-12-22 16:40:58.086 20163-20835/? D/Connector: connect
2021-12-22 16:40:58.087 20163-20835/? D/Connector: disconnect
2021-12-22 16:40:58.087 20163-20834/? E/NREAL: [2021-12-22 16:40:58.087] [ERROR] [NRSDK] SparrowFdClient remove connection status=0x50ffd
2021-12-22 16:40:58.087 20163-20835/? D/Connector: connect
2021-12-22 16:40:58.087 20163-20835/? D/Connector: disconnect
2021-12-22 16:40:58.088 20163-20834/? I/NREAL: [2021-12-22 16:40:58.088] [INFO] [NRSDK] NRSDK Configure Mode=0!
2021-12-22 16:40:58.088 20163-20834/? I/NREAL: [2021-12-22 16:40:58.088] [INFO] [NRSDK] NRGlassesControl START!
2021-12-22 16:40:58.088 20163-20834/? I/NREAL: [2021-12-22 16:40:58.088] [INFO] [NRSDK] MCU initializing
2021-12-22 16:40:58.088 20163-20834/? I/NREAL: [2021-12-22 16:40:58.088] [INFO] [NRSDK] MCU got false handle, work type = 0
2021-12-22 16:40:58.085 20163-20163/? W/UnityMain: type=1400 audit(0.0:695696): avc: denied { read } for name=“usb” dev=“tmpfs” ino=46756253 scontext=u:r:untrusted_app:s0:c130,c258,c512,c768 tcontext=u:object_r:usb_device:s0 tclass=dir permissive=0
2021-12-22 16:40:58.590 20163-20834/? I/NREAL: [2021-12-22 16:40:58.590] [INFO] [NRSDK] MCU got false handle, work type = 0
2021-12-22 16:40:58.589 20163-20163/? W/UnityMain: type=1400 audit(0.0:695700): avc: denied { read } for name=“usb” dev=“tmpfs” ino=46756253 scontext=u:r:untrusted_app:s0:c130,c258,c512,c768 tcontext=u:object_r:usb_device:s0 tclass=dir permissive=0
2021-12-22 16:40:58.589 20163-20163/? W/UnityMain: type=1400 audit(0.0:695701): avc: denied { read } for name="/" dev=“tmpfs” ino=20442 scontext=u:r:untrusted_app:s0:c130,c258,c512,c768 tcontext=u:object_r:device:s0 tclass=dir permissive=0
2021-12-22 16:40:58.589 20163-20163/? W/UnityMain: type=1400 audit(0.0:695702): avc: denied { read } for name=“devices” dev=“sysfs” ino=51752 scontext=u:r:untrusted_app:s0:c130,c258,c512,c768 tcontext=u:object_r:sysfs:s0 tclass=dir permissive=0
2021-12-22 16:40:58.592 20163-20834/? E/NREAL: [2021-12-22 16:40:58.592] [ERROR] [NRSDK] vid = 0x486, pid = 0x573c, errno = 9, error = Bad file descriptor
2021-12-22 16:40:58.592 20163-20834/? A/NREAL: [2021-12-22 16:40:58.592] [FATAL] [NRSDK] Generic Control open failed, errno = 9, error = Bad file descriptor
2021-12-22 16:40:58.592 20163-20834/? I/NREAL: [2021-12-22 16:40:58.592] [INFO] [NRSDK] MCU init failed, retrying…
2021-12-22 16:40:59.092 20163-20834/? I/NREAL: [2021-12-22 16:40:59.092] [INFO] [NRSDK] MCU got false handle, work type = 0
2021-12-22 16:40:59.089 20163-20163/? W/UnityMain: type=1400 audit(0.0:695703): avc: denied { read } for name=“usb” dev=“tmpfs” ino=46756253 scontext=u:r:untrusted_app:s0:c130,c258,c512,c768 tcontext=u:object_r:usb_device:s0 tclass=dir permissive=0
2021-12-22 16:40:59.093 20163-20834/? E/NREAL: [2021-12-22 16:40:59.093] [ERROR] [NRSDK] vid = 0x486, pid = 0x573c, errno = 9, error = Bad file descriptor
2021-12-22 16:40:59.094 20163-20834/? A/NREAL: [2021-12-22 16:40:59.093] [FATAL] [NRSDK] Generic Control open failed, errno = 9, error = Bad file descriptor
2021-12-22 16:40:59.094 20163-20834/? I/NREAL: [2021-12-22 16:40:59.093] [INFO] [NRSDK] MCU init failed, retrying…
2021-12-22 16:40:59.593 20163-20834/? I/NREAL: [2021-12-22 16:40:59.593] [INFO] [NRSDK] MCU got false handle, work type = 0
2021-12-22 16:40:59.595 20163-20834/? E/NREAL: [2021-12-22 16:40:59.595] [ERROR] [NRSDK] vid = 0x486, pid = 0x573c, errno = 9, error = Bad file descriptor
2021-12-22 16:40:59.595 20163-20834/? A/NREAL: [2021-12-22 16:40:59.595] [FATAL] [NRSDK] Generic Control open failed, errno = 9, error = Bad file descriptor
2021-12-22 16:40:59.595 20163-20834/? I/NREAL: [2021-12-22 16:40:59.595] [INFO] [NRSDK] MCU initialized
2021-12-22 16:40:59.595 20163-20834/? I/NREAL: [2021-12-22 16:40:59.595] [INFO] [NRSDK] MCU starting
2021-12-22 16:40:59.595 20163-20834/? I/NREAL: [2021-12-22 16:40:59.595] [INFO] [NRSDK] Generic Control callback true
2021-12-22 16:40:59.595 20163-20834/? E/NREAL: [2021-12-22 16:40:59.595] [ERROR] [NRSDK] MCU start failure
2021-12-22 16:40:59.595 20163-20834/? E/NREAL: [2021-12-22 16:40:59.595] [ERROR] [NRSDK] Plugin Start failed: retcode=1, id=nr_sensor_mcu_id, Unload plugin!
2021-12-22 16:40:59.595 20163-20834/? I/NREAL: [2021-12-22 16:40:59.595] [INFO] [NRSDK] NRGlassesControl RUN!
2021-12-22 16:40:59.589 20163-20163/? W/UnityMain: type=1400 audit(0.0:695706): avc: denied { read } for name=“usb” dev=“tmpfs” ino=46756253 scontext=u:r:untrusted_app:s0:c130,c258,c512,c768 tcontext=u:object_r:usb_device:s0 tclass=dir permissive=0
2021-12-22 16:40:59.589 20163-20163/? W/UnityMain: type=1400 audit(0.0:695707): avc: denied { read } for name="/" dev=“tmpfs” ino=20442 scontext=u:r:untrusted_app:s0:c130,c258,c512,c768 tcontext=u:object_r:device:s0 tclass=dir permissive=0
2021-12-22 16:40:59.604 20163-20779/? I/Unity: [Info][SessionBehaviour] OnApplicationPause: False
NRKernal.DefaultLogHelper:Log(LogLevel, Object)
NRKernal.NRSessionBehaviour:OnApplicationPause(Boolean)
2021-12-22 16:40:59.605 20163-20163/? I/Surface: opservice is null false
2021-12-22 16:40:59.617 20163-20779/? I/Unity: [Info][SessionBehaviour] Start: StartSession
NRKernal.DefaultLogHelper:Log(LogLevel, Object)
NRKernal.NRSessionBehaviour:Start()
2021-12-22 16:40:59.617 20163-20779/? I/Unity: [Info][NRInput] Init
NRKernal.DefaultLogHelper:Log(LogLevel, Object)
NRKernal.NRInput:Init()
2021-12-22 16:40:59.618 20163-20779/? I/IL2CPP: Locale zh-CN
2021-12-22 16:40:59.619 20163-20779/? E/Unity: NRGlassesConnectError: [NativeGlassesController] Start: Glasses connect error!
at NRKernal.NativeErrorListener.Check (NRKernal.NativeResult result, System.Object module, System.String funcName, System.Boolean needthrowerror) [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRDeviceSubsystem.Start () [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRDevice.Init () [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRSessionManager.CreateSession (NRKernal.NRSessionBehaviour session) [0x00000] in <00000000000000000000000000000000>:0
2021-12-22 16:40:59.620 20163-20779/? I/Unity: [Info][NRVirtualDisplayer] Create display.
NRKernal.DefaultLogHelper:Log(LogLevel, Object)
NRKernal.NRVirtualDisplayer:CreateDisplay()
2021-12-22 16:40:59.621 20163-20779/? E/Unity: [Error][NRVirtualDisplayer] NRDevice init error:NRKernal.NRGlassesConnectError: [NativeGlassesController] Start: Glasses connect error!
at NRKernal.NativeErrorListener.Check (NRKernal.NativeResult result, System.Object module, System.String funcName, System.Boolean needthrowerror) [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRDeviceSubsystem.Start () [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRDevice.Init () [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRSessionManager.CreateSession (NRKernal.NRSessionBehaviour session) [0x00000] in <00000000000000000000000000000000>:0
NRKernal.DefaultLogHelper:Log(LogLevel, Object)
NRKernal.NRVirtualDisplayer:CreateDisplay()
2021-12-22 16:40:59.622 20163-20779/? E/Unity: NRGlassesConnectError: [NativeGlassesController] Start: Glasses connect error!
at NRKernal.NativeErrorListener.Check (NRKernal.NativeResult result, System.Object module, System.String funcName, System.Boolean needthrowerror) [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRDeviceSubsystem.Start () [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRDevice.Init () [0x00000] in <00000000000000000000000000000000>:0
at NRKernal.NRSessionManager.CreateSession (NRKernal.NRSessionBehaviour session) [0x00000] in <00000000000000000000000000000000>:0
2021-12-22 16:40:59.622 20163-20779/? E/Unity: [Error][NRSessionManager] Kernal error:[NativeGlassesController] Start: Glasses connect error!
NRKernal.DefaultLogHelper:Log(LogLevel, Object)
NRKernal.NRSessionManager:OprateInitException(Exception)
System.Action:Invoke()
NRKernal.MainThreadDispather:Update()