崩溃

[TianGuisen]

2020-05-13 11:19:19.941 com.haibaoshow.youbo E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.haibaoshow.youbo, PID: 27332
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.binioter.guideview.MaskView.removeAllViews()' on a null object reference
at com.binioter.guideview.Guide.onDestroy(Guide.java:229)
at com.binioter.guideview.Guide.access$200(Guide.java:20)
at com.binioter.guideview.Guide$2.onAnimationEnd(Guide.java:147)
at android.view.animation.Animation$3.run(Animation.java:387)
at android.os.Handler.handleCallback(Handler.java:891)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:7470)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:958)
2020-05-13 11:19:19.943 com.haibaoshow.youbo E/CrashHandler: In thread: Thread[main,5,main]
UncaughtException detected: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.binioter.guideview.MaskView.removeAllViews()' on a null object reference
at com.binioter.guideview.Guide.onDestroy(Guide.java:229)
at com.binioter.guideview.Guide.access$200(Guide.java:20)
at com.binioter.guideview.Guide$2.onAnimationEnd(Guide.java:147)
at android.view.animation.Animation$3.run(Animation.java:387)
at android.os.Handler.handleCallback(Handler.java:891)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:7470)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:958)