Mapamo error

02-26 17:55:08.423: E/AndroidRuntime(20503): FATAL EXCEPTION: main
02-26 17:55:08.423: E/AndroidRuntime(20503): java.lang.NullPointerException
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at com.maddington.android.mapamo.util.SystemUiHiderHoneycomb$1.onSystemUiVisibilityChange(SystemUiHiderHoneycomb.java:105)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.view.View.dispatchSystemUiVisibilityChanged(View.java:13238)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.view.ViewGroup.dispatchSystemUiVisibilityChanged(ViewGroup.java:1209)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.view.ViewGroup.dispatchSystemUiVisibilityChanged(ViewGroup.java:1209)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.view.ViewGroup.dispatchSystemUiVisibilityChanged(ViewGroup.java:1209)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.view.ViewGroup.dispatchSystemUiVisibilityChanged(ViewGroup.java:1209)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.view.ViewRootImpl.handleDispatchSystemUiVisibilityChanged(ViewRootImpl.java:3753)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2829)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.os.Handler.dispatchMessage(Handler.java:99)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.os.Looper.loop(Looper.java:137)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at android.app.ActivityThread.main(ActivityThread.java:4624)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at java.lang.reflect.Method.invokeNative(Native Method)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at java.lang.reflect.Method.invoke(Method.java:511)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:965)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:732)
02-26 17:55:08.423: E/AndroidRuntime(20503): 	at dalvik.system.NativeStart.main(Native Method)