title: Change font size for an AlertDialog message
body: <p>I'm trying to change the font size of the <code>AlertDialog</code> message.</p>
  
  <pre><code>Button submit = (Button) findViewById(R.id.submitButton);
  submit.setOnClickListener(new View.OnClickListener() {
  
      public void onClick(View view) {
          AlertDialog.Builder builder = new AlertDialog.Builder(
                  Application1GoodExample.this);
          builder.setMessage("Your form has been successfully submitted");
          TextView textView = (TextView) findViewById(android.R.id.message);
          textView.setTextSize(40);
          builder.setNegativeButton("Exit", new DialogInterface.OnClickListener() {
  
              public void onClick(DialogInterface dialog, int which) {
                  dialog.cancel();             
              }
          });
  
          builder.show();
      }
  });
  </code></pre>
  
  <p>I get an error message saying that "<code>findViewById()</code>" is undefined for the type <code>AlertDialog.Builder</code>.</p>