private void ShowSummary()
{
DictionaryDBHelper db_helper = new DictionaryDBHelper();
db_helper.UpdateQuestionsStats(duration_start, questions);
var intent = new Intent(this, typeof(TestSummaryActivity));
//Bundle bundle = new Bundle();
//bundle.PutInt("oldQuestions", npOldQuestions.Value);
//bundle.PutInt("newQuestions", npNewQuestions.Value);
//bundle.put .PutLongArray("categories", checked_ids.ToArray());
intent.PutExtra("questions", JsonConvert.SerializeObject(questions));
intent.PutExtra("parent_activity", "testinput");
StartActivityForResult(intent, ACTIVITY_SUMMARY);
}