// Remove a contact from the ContactsCache based on the number or email address
private void remove(Contact contact) {
synchronized (ContactsCache.this) {
String number = contact.getNumber();
final boolean isNotRegularPhoneNumber =
contact.isMe() || MessageUtils.isEmailAddress(number) || MessageUtils.isAlias(number);
final String key = isNotRegularPhoneNumber ? number : key(number, sStaticKeyBuffer);
ArrayList<Contact> candidates = mContactsHash.get(key);
if (candidates != null) {
int length = candidates.size();
for (int i = 0; i < length; i++) {
Contact c = candidates.get(i);
if (isNotRegularPhoneNumber) {
if (number.equals(c.mNumber)) {
candidates.remove(i);
break;
}
} else {
if (PhoneNumberUtils.compare(number, c.mNumber)) {
candidates.remove(i);
break;
}
}
}
if (candidates.size() == 0) {
mContactsHash.remove(key);
}
}
}
}
