12-26 10:59:42.507: WARN/dalvikvm(4220): threadid=1: thread exiting with uncaught exception (group=0x400207e8)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220): FATAL EXCEPTION: main
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.matthieu.launcher/com.matthieu.launcher.DragableSpace}: java.lang.InstantiationException: com.matthieu.launcher.DragableSpace
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.app.ActivityThread.access$2300(ActivityThread.java:125)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.os.Handler.dispatchMessage(Handler.java:99)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.os.Looper.loop(Looper.java:123)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.app.ActivityThread.main(ActivityThread.java:4627)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at java.lang.reflect.Method.invokeNative(Native Method)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at java.lang.reflect.Method.invoke(Method.java:521)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at dalvik.system.NativeStart.main(Native Method)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220): Caused by: java.lang.InstantiationException: com.matthieu.launcher.DragableSpace
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at java.lang.Class.newInstanceImpl(Native Method)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at java.lang.Class.newInstance(Class.java:1429)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)
    12-26 10:59:42.537: ERROR/AndroidRuntime(4220):     ... 11 more
    12-26 10:59:42.587: WARN/ActivityManager(124):   Force finishing activity com.matthieu.launcher/.DragableSpace
    12-26 10:59:43.097: WARN/ActivityManager(124): Activity pause timeout for HistoryRecord{43f4aa78 com.matthieu.launcher/.DragableSpace}
    12-26 10:59:43.797: INFO/ActivityManager(124): Process com.matthieu.launcher (pid 4220) has died.