Remove digits from seekBar android

Question

i have make 0 to 30 seekBar but i want to remove 0 to 9 digits from seekBar and it should be 10 to 30.

Please help me to remove these numbers from the seekbar.

    @Override
    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

        pTxt.setText(progress);
    }