E/AndroidRuntime( 3174): FATAL EXCEPTION: main
E/AndroidRuntime( 3174): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.android.settings/com.android.settings.LockscreenSettings}: java.lang.ClassCastException: com.android.settings.LockscreenSettings cannot be cast to android.app.Activity
E/AndroidRuntime( 3174): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880)
E/AndroidRuntime( 3174): 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
E/AndroidRuntime( 3174): 	at android.app.ActivityThread.access$600(ActivityThread.java:123)
E/AndroidRuntime( 3174): 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
E/AndroidRuntime( 3174): 	at android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime( 3174): 	at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime( 3174): 	at android.app.ActivityThread.main(ActivityThread.java:4424)
E/AndroidRuntime( 3174): 	at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime( 3174): 	at java.lang.reflect.Method.invoke(Method.java:511)
E/AndroidRuntime( 3174): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)
E/AndroidRuntime( 3174): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)
E/AndroidRuntime( 3174): 	at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime( 3174): Caused by: java.lang.ClassCastException: com.android.settings.LockscreenSettings cannot be cast to android.app.Activity
E/AndroidRuntime( 3174): 	at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
E/AndroidRuntime( 3174): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
E/AndroidRuntime( 3174): 	... 11 more
W/ActivityManager( 1797):   Force finishing activity com.android.settings/.LockscreenSettings
W/ActivityManager( 1797):   Force finishing activity com.android.settings/.SubSettings