Agora的视频通话黑屏

Question

我在该存储库中执行所有操作，但是代码对我不起作用，并且相机显示为黑色 有人可以帮助我吗？

（https://github.com/digitallysavvy/android-video-chat-demo）

这是输出

https://ibb.co/ZmgnBRB

这是logcat

05-23 00:46:04.903 7292-7312/com.example.android.myagoraapplication 
W/AudioCapabilities: Unsupported mime audio/evrc
05-23 00:46:04.913 7292-7312/com.example.android.myagoraapplication 
W/AudioCapabilities: Unsupported mime audio/qcelp
05-23 00:46:04.943 7292-7312/com.example.android.myagoraapplication 
W/VideoCapabilities: Unrecognized profile 2130706433 for video/avc
05-23 00:46:04.953 7292-7312/com.example.android.myagoraapplication 
W/AudioCapabilities: Unsupported mime audio/mpeg-L1
05-23 00:46:04.953 7292-7312/com.example.android.myagoraapplication 
W/AudioCapabilities: Unsupported mime audio/mpeg-L2
05-23 00:46:04.963 7292-7312/com.example.android.myagoraapplication 
W/AudioCapabilities: Unsupported mime audio/x-ima
05-23 00:46:04.963 7292-7312/com.example.android.myagoraapplication 
W/AudioCapabilities: Unsupported mime audio/qcelp
05-23 00:46:04.963 7292-7312/com.example.android.myagoraapplication 
W/AudioCapabilities: Unsupported mime audio/evrc
05-23 00:46:04.983 7292-7312/com.example.android.myagoraapplication 
W/VideoCapabilities: Unrecognized profile/level 32768/2 for video/mp4v-es
05-23 00:46:05.013 7292-7312/com.example.android.myagoraapplication 
W/VideoCapabilities: Unsupported mime video/mp4v-esdp
05-23 00:46:05.033 7292-7312/com.example.android.myagoraapplication 
I/VideoCapabilities: Unsupported profile 4 for video/mp4v-es
05-23 00:46:05.033 7292-7312/com.example.android.myagoraapplication 
W/VideoCapabilities: Unrecognized profile 2130706433 for video/avc
05-23 00:46:05.033 7292-7312/com.example.android.myagoraapplication 
W/VideoCapabilities: Unrecognized profile 2130706433 for video/avc