Demo展示中非常多崩溃

[wenmingvs]

08-03 11:42:40.719 7031-7031/com.marshalchen.ultimaterecyclerview.demo E/AndroidRuntime: FATAL EXCEPTION: main Process: com.marshalchen.ultimaterecyclerview.demo, PID: 7031 java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.LinearLayoutManager.scrollToPosition(int)' on a null object reference at com.marshalchen.ultimaterecyclerview.demo.loadmoredemo.DebugLoadMoreActivity.onFireRefresh(DebugLoadMoreActivity.java:71) at com.marshalchen.ultimaterecyclerview.demo.loadmoredemo.BasicFunctions$3$1.run(BasicFunctions.java:82) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:158) at android.app.ActivityThread.main(ActivityThread.java:7224) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120) at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:134) 08-03 11:43:03.179 7743-7743/com.marshalchen.ultimaterecyclerview.demo E/MotionRecognitionManager: mSContextService = android.hardware.scontext.ISContextService$Stub$Proxy@de83bcb 08-03 11:43:03.179 7743-7743/com.marshalchen.ultimaterecyclerview.demo E/MotionRecognitionManager: motionService = com.samsung.android.motion.IMotionRecognitionService$Stub$Proxy@81b7fa8 08-03 11:43:03.179 7743-7743/com.marshalchen.ultimaterecyclerview.demo E/MotionRecognitionManager: motionService = com.samsung.android.motion.IMotionRecognitionService$Stub$Proxy@81b7fa8

点击Demo中的Debug load more选项，进入后下拉刷新，然后就发生崩溃了。类似的问题还存在于别的选项中。希望能做好充分的测试，毕竟是快4000的鼎鼎大名的开源项目了。如果是正常的设定，希望能有一个引导或者提示，告诉用户这样崩溃是正常的

附上我的测试机型： 三星S7 Edge Android6.0