12-09 16:45:53.417: E/AndroidRuntime(12257): FATAL EXCEPTION: main
12-09 16:45:53.417: E/AndroidRuntime(12257): Process: com.example.settingteam, PID: 12257
12-09 16:45:53.417: E/AndroidRuntime(12257): java.lang.IllegalStateException: Could not execute method of the activity
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.view.View$1.onClick(View.java:4007)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.view.View.performClick(View.java:4756)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.view.View$PerformClick.run(View.java:19749)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.os.Handler.handleCallback(Handler.java:739)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.os.Handler.dispatchMessage(Handler.java:95)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.os.Looper.loop(Looper.java:135)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.app.ActivityThread.main(ActivityThread.java:5221)
12-09 16:45:53.417: E/AndroidRuntime(12257): at java.lang.reflect.Method.invoke(Native Method)
12-09 16:45:53.417: E/AndroidRuntime(12257): at java.lang.reflect.Method.invoke(Method.java:372)
12-09 16:45:53.417: E/AndroidRuntime(12257): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
12-09 16:45:53.417: E/AndroidRuntime(12257): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
12-09 16:45:53.417: E/AndroidRuntime(12257): Caused by: java.lang.reflect.InvocationTargetException
12-09 16:45:53.417: E/AndroidRuntime(12257): at java.lang.reflect.Method.invoke(Native Method)
12-09 16:45:53.417: E/AndroidRuntime(12257): at java.lang.reflect.Method.invoke(Method.java:372)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.view.View$1.onClick(View.java:4002)
12-09 16:45:53.417: E/AndroidRuntime(12257): ... 10 more
12-09 16:45:53.417: E/AndroidRuntime(12257): Caused by: android.content.ActivityNotFoundException: No Activity found to handle Intent { act=screen_off_timeout }
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1765)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1485)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.app.Activity.startActivityForResult(Activity.java:3736)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.app.Activity.startActivityForResult(Activity.java:3697)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.app.Activity.startActivity(Activity.java:4007)
12-09 16:45:53.417: E/AndroidRuntime(12257): at android.app.Activity.startActivity(Activity.java:3975)
12-09 16:45:53.417: E/AndroidRuntime(12257): at com.example.settingteam.MainActivity.Button0(MainActivity.java:33)
12-09 16:45:53.417: E/AndroidRuntime(12257): ... 13 more
intent3.setAction(android.provider.Settings.System.SCREEN_OFF_TIMEOUT);
실행하려니까 자꾸 에러나네요 ㅠㅠ
도통 무슨말인지 ㅠㅠ 도와주세요