usernumber = phone.getString(phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER))
.trim();
if (usernumber.contains("+86")) {
usernumber =usernumber.replace("+86", "");
} else if (usernumber.contains(" ")) {
usernumber = usernumber.replace(" ", "");
}
et_phone.setText(usernumber);