title: Error on showing Integer in TextView?
body: <p>Hi I would like to ask why am I having an error when I try to show an Integer in the Textview Here is my Code on the btnClear it works fine but on Confirm it shows some error only When I have the "tvCoin.setText("Coin");" code. thanks for the help in advance</p>
  
  <pre><code>            case R.id.btnConfirm:
                  if (Answer.equals(correctAnswer))
                  {
                      tvCategory.setText("Correct");
                      Coin = Coin + 3;
                      tvCoin.setText("Coin");
                  }
                  else
                  {
                      tvCategory.setText("Wrong");
                  }
              break;
              case R.id.btnClear:
                  Answer = "";
                  tvAns.setText(Answer);
              break;
  </code></pre>