How to write style to error text of EditText in android?

int ecolor = R.color.black; String estring = "Please enter a valid email address";

ForegroundColorSpan fgcspan = new ForegroundColorSpan(ecolor);
SpannableStringBuilder ssbuilder = new SpannableStringBuilder(estring);
ssbuilder.setSpan(fgcspan, 0, estring.length(), 0);

edtEmail.requestFocus();
edtEmail.setError(ssbuilder);