public boolean validEmail() { email = tieEmail.getText().toString().trim(); if (TextUtils.isEmpty(email)) { tilEmail.setError(Util.addCustomFont(this, getString(R.string.msg_email))); Util.requestFocus(this, tieEmail); return false; } if (Util.validEmail(email)) { tilEmail.setErrorEnabled(false); } else { tilEmail.setError(Util.addCustomFont(this, getString(R.string.incorrect_email))); Util.requestFocus(this, tieEmail); return false; } return true; }