docs: public SimpleDialog message(CharSequence message){
          if(mScrollView == null)
              initScrollView();
  
          if(mMessage == null)
              initMessageView();
  
          if(mScrollView.getChildAt(0) != mMessage) {
              mScrollView.removeAllViews();
              mScrollView.addView(mMessage);
          }
  
          mMessage.setText(message);
          if(!TextUtils.isEmpty(message)) {
              mMode = MODE_MESSAGE;
              super.contentView(mScrollView);
          }
          return this;
      }