매번 내가이 오류 "불행하게도,
NullPointerException
의 것을 가지고 있지만 어떤 파라미터가
null
인지 모른다.
로그 캣은 :
07-31 13:40:46.344: E/Trace(1043): error opening trace file: No such file or directory (2) 07-31 13:40:47.134: D/AndroidRuntime(1043): Shutting down VM 07-31 13:40:47.134: W/dalvikvm(1043): threadid=1: thread exiting with uncaught exception (group=0x40a13300) 07-31 13:40:47.194: D/dalvikvm(1043): GC_CONCURRENT freed 195K, 3% free 8273K/8519K, paused 80ms+5ms, total 166ms 07-31 13:40:47.194: D/dalvikvm(1043): WAIT_FOR_CONCURRENT_GC blocked 26ms 07-31 13:40:47.194: E/AndroidRuntime(1043): FATAL EXCEPTION: main 07-31 13:40:47.194: E/AndroidRuntime(1043): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mapsapp/com.example.mapsapp.HichRideActivity}: java.lang.NullPointerException 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.ActivityThread.access$600(ActivityThread.java:130) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.os.Handler.dispatchMessage(Handler.java:99) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.os.Looper.loop(Looper.java:137) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.ActivityThread.main(ActivityThread.java:4745) 07-31 13:40:47.194: E/AndroidRuntime(1043): at java.lang.reflect.Method.invokeNative(Native Method) 07-31 13:40:47.194: E/AndroidRuntime(1043): at java.lang.reflect.Method.invoke(Method.java:511) 07-31 13:40:47.194: E/AndroidRuntime(1043): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 07-31 13:40:47.194: E/AndroidRuntime(1043): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 07-31 13:40:47.194: E/AndroidRuntime(1043): at dalvik.system.NativeStart.main(Native Method) 07-31 13:40:47.194: E/AndroidRuntime(1043): Caused by: java.lang.NullPointerException 07-31 13:40:47.194: E/AndroidRuntime(1043): at com.example.mapsapp.HichRideActivity.onCreate(HichRideActivity.java:27) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.Activity.performCreate(Activity.java:5008) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079) 07-31 13:40:47.194: E/AndroidRuntime(1043): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023) 07-31 13:40:47.194: E/AndroidRuntime(1043): ... 11 more 07-31 13:40:47.214: W/CursorWrapperInner(1043): Cursor finalized without prior close() 07-31 13:40:47.214: W/CursorWrapperInner(1043): Cursor finalized without prior close()
"줄 번호 27은 무엇을 의미합니까?" 미안, 내가 그걸 얻지 못했어. – user1464726