TextView Establecer texto en negrita programáticamente
textView.setTypeface(null, Typeface.BOLD_ITALIC);
textView.setTypeface(null, Typeface.BOLD);
textView.setTypeface(null, Typeface.ITALIC);
textView.setTypeface(null, Typeface.NORMAL);
//To keep the previous typeface
textView.setTypeface(textView.getTypeface(), Typeface.BOLD_ITALIC)
Sudarshaana