title: Set AlertDialog Positive Button Text to be Bold
body: <p>Here is my code.</p>
  
  <pre><code>AlertDialog.Builder builder = new AlertDialog.Builder(this);
      LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      final View vi = inflater.inflate(R.layout.group_dialog_layout,null);
      builder.setView(vi);
      TextView txtNewGroupEntry = (TextView) vi.findViewById(R.id.txtGroupRename);
      if(isNew==true){
          builder.setTitle("New Group");
          txtNewGroupEntry.setText(R.string.new_group_instruction);
      }
      builder.setPositiveButton(R.string.ok_button, null);
      builder.setNegativeButton(R.string.cancel_button, null);
      AlertDialog dialog = builder.create();
      dialog.show();
      Button okButton = dialog.getButton(DialogInterface.BUTTON_POSITIVE);
  </code></pre>
  
  <p>I have an alert dialog with an add button and a cancel button. I want both of the button's text to be bold and italic. How can I do it?</p>