Android--百度地图报错：at com.baidu.location.LocationClient.onStart(Unknown Source)

在使用百度地图定位的时候，报一个异常

Exception Ljava/lang/UnsatisfiedLinkError;   
threadid=1: thread exiting with uncaught exception (group=0x410d19d8)  
  
FATAL EXCEPTION: main  
  
java.lang.ExceptionInInitializerError  
at com.baidu.location.g.a(Unknown Source)  
at com.baidu.location.f.int(Unknown Source)  
at com.baidu.location.f.int(Unknown Source)  
at com.baidu.location.f.if(Unknown Source)  
  
at com.baidu.location.f$b.handleMessage(Unknown Source)  
at android.os.Handler.dispatchMessage(Handler.java:99)  
  
at android.os.Looper.loop(Looper.java:137)  
at android.app.ActivityThread.main(ActivityThread.java:4439)  
at java.lang.reflect.Method.invokeNative(Native Method)  
at java.lang.reflect.Method.invoke(Method.java:511)  
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)  
、  
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)  
  
at dalvik.system.NativeStart.main(Native Method)  
Caused by: java.lang.UnsatisfiedLinkError: Couldn't load locSDK_2.4: findLibrary returned null  
  
at java.lang.Runtime.loadLibrary(Runtime.java:365)  
at java.lang.System.loadLibrary(System.java:535)  
at com.baidu.location.Jni.<clinit>(Unknown Source) 

继续检查，发现new LocationClient 这个的时候 需要用 getApplicationContext。 
问题解决。（用全局变量context）