百度地图开发做的路径规划的demo总是闪退

Question

用百度地图API做的一个路径规划的demo，总是闪退 输出如下 求大神指点
java.lang.NullPointerException
at com.baidu.lbsapi.auth.LBSAuthManager.getCurProcessName(Unknown Source)
at com.baidu.lbsapi.auth.LBSAuthManager.saveAuthString(Unknown Source)
at com.baidu.lbsapi.auth.LBSAuthManager.callbackToMainThread(Unknown Source)
at com.baidu.lbsapi.auth.LBSAuthManager.access$600(Unknown Source)
at com.baidu.lbsapi.auth.k.a(Unknown Source)
at com.baidu.lbsapi.auth.k.a(Unknown Source)
at com.baidu.lbsapi.auth.c.a(Unknown Source)
at com.baidu.lbsapi.auth.c.a(Unknown Source)
at com.baidu.lbsapi.auth.c.a(Unknown Source)
at com.baidu.lbsapi.auth.c.a(Unknown Source)
at com.baidu.lbsapi.auth.d.run(Unknown Source)
at java.lang.Thread.run(Thread.java:838)

Answer 1

有变量为null了，具体调试下，特别是
com.baidu.lbsapi.auth.LBSAuthManager.getCurProcessName(Unknown Source)