time 버튼 message 버튼을 누르면 애러가 뜨면서 꺼진느데요 logcat 애러를 보니깐 null이 있는 것을 보니 뭔가가
null인 상태인것 같은데 흠...어떻것이 null인 상태인지를 모르겠어요
ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ time logcat error ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ
11-04 07:03:46.624: E/AndroidRuntime(1454): FATAL EXCEPTION: main
11-04 07:03:46.624: E/AndroidRuntime(1454): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.calednar/com.android.calednar.TimeActivity}: java.lang.NullPointerException
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.ActivityThread.access$600(ActivityThread.java:123)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.os.Handler.dispatchMessage(Handler.java:99)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.os.Looper.loop(Looper.java:137)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.ActivityThread.main(ActivityThread.java:4424)
11-04 07:03:46.624: E/AndroidRuntime(1454): at java.lang.reflect.Method.invokeNative(Native Method)
11-04 07:03:46.624: E/AndroidRuntime(1454): at java.lang.reflect.Method.invoke(Method.java:511)
11-04 07:03:46.624: E/AndroidRuntime(1454): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
11-04 07:03:46.624: E/AndroidRuntime(1454): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
11-04 07:03:46.624: E/AndroidRuntime(1454): at dalvik.system.NativeStart.main(Native Method)
11-04 07:03:46.624: E/AndroidRuntime(1454): Caused by: java.lang.NullPointerException
11-04 07:03:46.624: E/AndroidRuntime(1454): at com.android.calednar.TimeActivity.onCreate(TimeActivity.java:42)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.Activity.performCreate(Activity.java:4465)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
11-04 07:03:46.624: E/AndroidRuntime(1454): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
11-04 07:03:46.624: E/AndroidRuntime(1454): ... 11 more
ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ
ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ message logcat error ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ
11-04 07:04:02.044: E/AndroidRuntime(1473): FATAL EXCEPTION: main
11-04 07:04:02.044: E/AndroidRuntime(1473): java.lang.NullPointerException
11-04 07:04:02.044: E/AndroidRuntime(1473): at com.android.calednar.ScheduleActivity.onClick(ScheduleActivity.java:127)
11-04 07:04:02.044: E/AndroidRuntime(1473): at android.view.View.performClick(View.java:3511)
11-04 07:04:02.044: E/AndroidRuntime(1473): at android.view.View$PerformClick.run(View.java:14105)
11-04 07:04:02.044: E/AndroidRuntime(1473): at android.os.Handler.handleCallback(Handler.java:605)
11-04 07:04:02.044: E/AndroidRuntime(1473): at android.os.Handler.dispatchMessage(Handler.java:92)
11-04 07:04:02.044: E/AndroidRuntime(1473): at android.os.Looper.loop(Looper.java:137)
11-04 07:04:02.044: E/AndroidRuntime(1473): at android.app.ActivityThread.main(ActivityThread.java:4424)
11-04 07:04:02.044: E/AndroidRuntime(1473): at java.lang.reflect.Method.invokeNative(Native Method)
11-04 07:04:02.044: E/AndroidRuntime(1473): at java.lang.reflect.Method.invoke(Method.java:511)
11-04 07:04:02.044: E/AndroidRuntime(1473): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
11-04 07:04:02.044: E/AndroidRuntime(1473): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
11-04 07:04:02.044: E/AndroidRuntime(1473): at dalvik.system.NativeStart.main(Native Method)
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로그만으로 소스의 어디가 문제인지 단박에 잡아낼 수 있는 고수님을 소환하고 제 턴을 마칩니다.