android 录屏报错：Failure delivering result ResultInfo{who=null, request=101, result=

android 在录屏时一直出现这个错误，解决过几次后来又出现过一次，怎么都想不起来是为什么了，最后发现原来是初始化视频保存地址是一个错误的地址！异常信息如下：

FATAL EXCEPTION: main
Process: com.icdcard.santiago.collectionvideo, PID: 19932
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=101, result=-1, data=Intent { (has extras) }} to activity {com.icdcard.santiago.collectionvideo/com.icdcard.santiago.collectionvideo.CameraView.VideoActivity}: java.lang.IllegalStateException: failed to get surface
at android.app.ActivityThread.deliverResults(ActivityThread.java:3576)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3619)
at android.app.ActivityThread.access$1300(ActivityThread.java:149)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1338)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5258)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:898)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:693)
Caused by: java.lang.IllegalStateException: failed to get surface
at android.media.MediaRecorder.getSurface(Native Method)
at com.icdcard.santiago.collectionvideo.screenrecoder.RecordService.createVirtualDisplay(RecordService.java:146)
at com.icdcard.santiago.collectionvideo.screenrecoder.RecordService.startRecord(RecordService.java:120)
at com.icdcard.santiago.collectionvideo.CameraView.VideoActivity.onActivityResult(VideoActivity.java:177)
at android.app.Activity.dispatchActivityResult(Activity.java:6181)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3572)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3619) 
at android.app.ActivityThread.access$1300(ActivityThread.java:149) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1338) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:135) 
at android.app.ActivityThread.main(ActivityThread.java:5258) 
at java.lang.reflect.Method.invoke(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:372) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:898) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:693)