09-01 09:48:13.654  22281-22281/andreariezzo.pentalotto E/AndroidRuntime﹕ FATAL EXCEPTION: main
    Process: andreariezzo.pentalotto, PID: 22281
    java.lang.NullPointerException: Attempt to invoke virtual method 'long java.util.Date.getTime()' on a null object reference
            at java.util.Calendar.setTime(Calendar.java:1195)
            at java.text.SimpleDateFormat.formatImpl(SimpleDateFormat.java:518)
            at java.text.SimpleDateFormat.format(SimpleDateFormat.java:820)
            at java.text.DateFormat.format(DateFormat.java:314)
            at andreariezzo.pentalotto.test.VinciteActivity$3.onPostExecute(VinciteActivity.java:90)
            at andreariezzo.pentalotto.test.VinciteActivity$3.onPostExecute(VinciteActivity.java:82)
            at android.os.AsyncTask.finish(AsyncTask.java:636)
            at android.os.AsyncTask.access$500(AsyncTask.java:177)
            at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:653)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:135)
            at android.app.ActivityThread.main(ActivityThread.java:5289)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)