@Override
        public void onCheckedChanged(RadioGroup rg, int checkedId) {
          if (modifyingRadioButtons) {
            return;
          }
          modifyingRadioButtons = true;
          RadioGroup teamARG = (RadioGroup) findViewById(R.id.teamaradiogroup);
          RadioGroup teamBRG = (RadioGroup) findViewById(R.id.teambradiogroup);
          RadioButton teamARB = (RadioButton) findViewById(teamARG.getCheckedRadioButtonId());
          RadioButton teamBRB = (RadioButton) findViewById(teamBRG.getCheckedRadioButtonId());
          int aPoints = Integer.parseInt(teamARB.getText().toString());
          int bPoints = Integer.parseInt(teamBRB.getText().toString());

          // somebody needs to be reset to 0
          if ((aPoints > 0 && bPoints > 0) || (aPoints < 0 && bPoints < 0)) {
            // team A was clicked, so team B should reset
            if (rg.equals(teamARG)) {
              bPoints = 0;
              ((RadioButton) findViewById(R.id.teambradio0)).setChecked(true);
            }
            // team B was clicked, so team A should reset
            else {
              aPoints = 0;
              ((RadioButton) findViewById(R.id.teamaradio0)).setChecked(true);
            }
          }

          if (aPoints > 0 || bPoints > 0) {
            enableBonusBoxes();
          } else {
            clearBonusBoxes();
            disableBonusBoxes();
          }

          Tossup oldTossup = game.currTossup();
          Tossup t;
          if (aPoints >= bPoints) {
            t =
                new Tossup(
                    game.getCurrTossupNum(),
                    game.getTeamA(),
                    aPoints,
                    game.getTeamB(),
                    bPoints,
                    oldTossup.isTiebreaker());
          } else {
            t =
                new Tossup(
                    game.getCurrTossupNum(),
                    game.getTeamB(),
                    bPoints,
                    game.getTeamA(),
                    aPoints,
                    oldTossup.isTiebreaker());
          }
          game.updateCurrTossup(t);
          updateGlobalScore();
          updatePlayerSpinner();
          updateBonusBoxes(t);
          modifyingRadioButtons = false;
        }