异常造成闪退

	at dji.thirdparty.rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:62)
	at android.os.Handler.handleCallback(Handler.java:907)
	at android.os.Handler.dispatchMessage(Handler.java:105)
	at android.os.Looper.loop(Looper.java:216)
	at android.app.ActivityThread.main(ActivityThread.java:7779)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:990)
Caused by: java.lang.ExceptionInInitializerError
	at dji.sdk.camera.VideoFeeder$HOLDER.access$000(Unknown Source:0)
	at dji.sdk.camera.VideoFeeder.getInstance(Unknown Source:6)
	at dji.ux.widget.FPVWidget.updateVideoFeed(Unknown Source:0)
	at dji.ux.widget.FPVWidget.updateVideoFeedOnAircraft(Unknown Source:8)
	at dji.ux.widget.FPVWidget.updateWidget(Unknown Source:25)
	at com.ynhere.flyplat.flight.widget.dji.YNFPVWidget.updateWidget(YNFPVWidget.java:84)
	at dji.ux.base.H.a(Unknown Source:4)
	at dji.ux.base.H.call(Unknown Source:2)
	at dji.thirdparty.rx.Observable.unsafeSubscribe(Observable.java:8741)
	at dji.thirdparty.rx.internal.operators.OperatorSubscribeOn$1.call(OperatorSubscribeOn.java:94)
	at dji.thirdparty.rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
	... 7 more
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void dji.keysdk.KeyManager.addListener(dji.keysdk.DJIKey, dji.keysdk.callback.KeyListener)' on a null object reference
	at dji.internal.camera.dcb.nhf(Unknown Source:37)
	at dji.internal.camera.dcb.ghu(Unknown Source:10)
	at dji.internal.camera.dcb.<init>(Unknown Source:45)
	at dji.sdk.camera.VideoFeeder$HOLDER.<clinit>(Unknown Source:2)
	... 18 more