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); }