我正在訪問所有的用戶聯繫人並通過應用程序通過電子郵件發送給他們。如果他們有電子郵件地址,我可以訪問所有聯繫人。如果他們沒有電子郵件地址,那麼它會給我一個錯誤,我試圖在將地址添加到地址列表之前檢查他們是否有電子郵件地址。我正在使用此代碼。 if((ABMultiValueCopyValueAtIndex(email,0)!= NULL))如何僅通過地址簿中的電子郵件地址訪問聯繫人?
如何才能訪問有電子郵件地址的聯繫人?
NSMutableArray* contactsArray = [NSMutableArray new];
ABAddressBookRef m_addressbook = ABAddressBookCreate();
CFArrayRef allPeople = ABAddressBookCopyArrayOfAllPeople(m_addressbook);
CFIndex nPeople = ABAddressBookGetPersonCount(m_addressbook);
for (int i=0;i < nPeople;i++)
{
NSMutableDictionary* tempContactDic = [NSMutableDictionary new];
ABRecordRef ref = CFArrayGetValueAtIndex(allPeople,i);
CFStringRef firstName, lastName;
firstName = ABRecordCopyValue(ref, kABPersonFirstNameProperty);
lastName = ABRecordCopyValue(ref, kABPersonLastNameProperty);
NSString *name = [NSString stringWithFormat:@"%@ %@", firstName, lastName];
[tempContactDic setValue:name forKey:@"name"];
//fetch email id
NSString *strEmail;
ABMultiValueRef email = ABRecordCopyValue(ref, kABPersonEmailProperty);
if ((ABMultiValueCopyValueAtIndex(email, 0) != NULL))
{
CFStringRef tempEmailref = ABMultiValueCopyValueAtIndex(email, 0);
strEmail = (__bridge NSString *)tempEmailref;
[contactsArray addObject:strEmail];
}
}