I use this code for replace this • character with \n in textview in android
TextView tvcontent=(TextView) row.findViewById(R.id.row_comment_content);
If you mean a middot char, its code is 183.
Also, maybe this link can help.
Ok, now I got what you want.
This page would answer your question. Brief extract from this page:
And don't forget to use single quote when you will replace this char!