android发起视频报错

TIME=1511509704000

FINGERPRINT=unknown

HARDWARE=sp9820a_c110

UNKNOWN=unknown

RADIO=unknown

BOARD=sp9820a_c110

versionCode=17

PRODUCT=sp9820a_c110_tds

versionName=2.5.2

DISPLAY=L267A_WATCH_V1.7_20171123

USER=temp

HOST=temp3

DEVICE=sp9820a_c110

TAGS=test-keys

MODEL=Best sonny B1

BOOTLOADER=unknown

CPU_ABI=armeabi-v7a

CPU_ABI2=armeabi

IS_DEBUGGABLE=true

ID=KTU84P

SERIAL=77394944601089

MANUFACTURER=SPRD

BRAND=SPRD

IS_LOWMEM_VERSION=false

TYPE=userdebug

java.lang.NullPointerException

	at com.superrtc.call.VideoRendererGui2.create(VideoRendererGui2.java:527)

	at com.superrtc.call.VideoRendererGui2.create(VideoRendererGui2.java:494)

	at com.superrtc.sdk.RtcConnection.checkAddRenddererInternal(RtcConnection.java:1090)

	at com.superrtc.sdk.RtcConnection.access$15(RtcConnection.java:1063)

	at com.superrtc.sdk.RtcConnection$12.run(RtcConnection.java:1019)

	at android.os.Handler.handleCallback(Handler.java:733)

	at android.os.Handler.dispatchMessage(Handler.java:95)

	at android.os.Looper.loop(Looper.java:136)

	at com.superrtc.util.LooperExecutor.run(LooperExecutor.java:40)