Try change :
myTextViews[pointer].setText(Html.fromHtml(getResources().getString(R.string.data_dd)) + data + "\n");
to :
myTextViews[pointer].setText(Html.fromHtml(getResources().getString(R.string.data_dd) + data + "\n"));
or test :
yourtextView.setTypeface(null, Typeface.BOLD);