Android中调用JNI，报无法找到包的原因。

09-19 07:29:41.639: ERROR/AndroidRuntime(559): Uncaught handler: thread main exiting due to uncaught exception09-19 07:29:41.658: ERROR/AndroidRuntime(559): java.lang.ExceptionInInitializerError09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at java.lang.Class.newInstanceImpl(Native Method)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at java.lang.Class.newInstance(Class.java:1479)
09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.app.Instrumentation.newActivity(Instrumentation.java:1021)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2409)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.app.ActivityThread.access$2200(ActivityThread.java:119)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.os.Handler.dispatchMessage(Handler.java:99)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.os.Looper.loop(Looper.java:123)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at android.app.ActivityThread.main(ActivityThread.java:4363)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at java.lang.reflect.Method.invokeNative(Native Method)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at java.lang.reflect.Method.invoke(Method.java:521)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at dalvik.system.NativeStart.main(Native Method)09-19 07:29:41.658: ERROR/AndroidRuntime(559): Caused by: java.lang.UnsatisfiedLinkError: Library mapjni not found09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at java.lang.Runtime.loadLibrary(Runtime.java:489)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at java.lang.System.loadLibrary(System.java:557)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     at com.ui.UI.<clinit>(UI.java:432)09-19 07:29:41.658: ERROR/AndroidRuntime(559):     ... 15 more09-19 07:29:41.678: INFO/Process(53): Sending signal. PID: 559 SIG: 309-19 07:29:41.678: INFO/dalvikvm(559): threadid=7: reacting to signal 309-19 07:29:41.678: ERROR/dalvikvm(559): Unable to open stack trace file '/data/anr/traces.txt': Permission denied09-19 07:29:51.110: WARN/ActivityManager(53): Launch timeout has expired, giving up wake lock!09-19 07:29:51.556: WARN/ActivityManager(53): Activity idle timeout for HistoryRecord{43c48338 com.ui/.UI}