检查ABMultiValueRef是没有值 [英] Check if ABMultiValueRef is has no values
本文介绍了检查ABMultiValueRef是没有值的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我要检查,如果在我的用户的地址簿中的联系人的电话号码了。如果他这样做,我想在一个的UITableView以显示名称
我试过检查 PHONENUMBERS!=零
,但不起作用。这是我的整个code:
ABMultiValueRef PHONENUMBERS = ABRecordCopyValue(人,kABPersonPhoneProperty);如果(PHONENUMBERS!=无){
[_numbers ADDOBJECT:[的NSString stringWithFormat:@%@,PHONENUMBERS]];
}
解决方案
使用 ABMultiValueGetCount
来检查是否PHONENUMBERS中有任何值。
例如基于问题:
ABMultiValueRef PHONENUMBERS = ABRecordCopyValue(人,kABPersonPhoneProperty);如果(ABMultiValueGetCount(PHONENUMBERS)){
[_numbers ADDOBJECT:[的NSString stringWithFormat:@%@,PHONENUMBERS]];
}
I want to check if a contact in my user's addressbook a phone number has. If he does, I want to display that name in an UITableView
I've tried to check for phoneNumbers != nil
, but that doesn't work. This is my entire code:
ABMultiValueRef phoneNumbers = ABRecordCopyValue(person, kABPersonPhoneProperty);
if(phoneNumbers != nil){
[_numbers addObject:[NSString stringWithFormat:@"%@", phoneNumbers]];
}
解决方案
Use ABMultiValueGetCount
to check if phoneNumbers has any values in it.
example based on question:
ABMultiValueRef phoneNumbers = ABRecordCopyValue(person, kABPersonPhoneProperty);
if(ABMultiValueGetCount(phoneNumbers)){
[_numbers addObject:[NSString stringWithFormat:@"%@", phoneNumbers]];
}
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