ShadowView的构造函数报空指针

[wanglianqing123]

在360崩溃日志系统看到的
java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference at android.view.ViewConfiguration.get(ViewConfiguration.java:359) at android.view.View.(View.java:3646) at com.aitangba.swipeback.ShadowView.(ShadowView.java:18) at com.aitangba.swipeback.SwipeBackHelper$ViewManager.addShadowView(SwipeBackHelper.java:443) at com.aitangba.swipeback.SwipeBackHelper$ViewManager.access$300(SwipeBackHelper.java:375) at com.aitangba.swipeback.SwipeBackHelper.handleMessage(SwipeBackHelper.java:205) at android.os.Handler.dispatchMessage(Handler.java:111) at android.os.Looper.loop(Looper.java:224) at android.app.ActivityThread.main(ActivityThread.java:5911) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1113) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:879)