public void onBackPressed() {
   end_time = System.currentTimeMillis();
   System.out.println("Start: " + start_time.toString() + "  " + "End: " + end_time.toString());
   dbh.insertCCHLog(
       "Point of Care", "ANC Acute Emergencies", start_time.toString(), end_time.toString());
   finish();
 }
 public void onBackPressed() {
   end_time = System.currentTimeMillis();
   dbh.insertCCHLog(
       "Point of Care",
       "PNC Mother Diagnostic: Managing Danger Signs",
       start_time.toString(),
       end_time.toString());
   finish();
 }