private boolean goOrBack(String res) {
			JSONArray jsonArray;
			try {
				jsonArray = new JSONArray(res);
				int size = jsonArray.length();
				if (size==0) {
					return false;
				}
				int startTime =  parseDate(jsonArray.getJSONObject(size-1).getString("created_at"));
				if (startTime>=Integer.valueOf(Container.getContainer().getProperty("endTime"))) {
					return true;
				}
			} catch (JSONException e) {
				e.printStackTrace();
			}
			return false;
		}