iphone - 使用带有 ARC 的 ios5 选择地址簿地址

Question

作为 objective-c 和 ios 开发的新手，我正在尝试弄清楚如何从 Address Book Programming Guide for iOS 中实现地址簿代码。 .

我希望能够记录用户在通讯录中点击的地址。

我设法在我的应用中实现了地址簿。

在 ios4 中，以下“有效”:

- (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *)peoplePicker 
      shouldContinueAfterSelectingPerson:(ABRecordRef)person  
                                property:(ABPropertyID)property 
                              identifier:(ABMultiValueIdentifier)identifier
{
    if (property == kABPersonAddressProperty)  // if tapped is equal to a phone property
    {
        NSLog(@"Address tapped!");
        NSMutableDictionary * cfaddress;
        ABMultiValueRef address = ABRecordCopyValue(person, kABPersonAddressProperty); 
        for(CFIndex i = 0; i < ABMultiValueGetCount(address); i++) {
            if(identifier == ABMultiValueGetIdentifierAtIndex (address, i)) { //if tapped number identifier is the same as identifier number tapped
                cfaddress = ABMultiValueCopyValueAtIndex(address, i); // copy the number to CFSTRING number
            }
        }        

        NSLog(@"%@", [cfaddress objectForKey:@"City"]);    
        NSLog(@"%@", [cfaddress objectForKey:@"Street"]);

        // City and street present ?

        if([cfaddress objectForKey:@"City"] && [cfaddress objectForKey:@"Street"]){
            NSLog(@"STAD EN STRAAT");
        }
        else{
            NSLog(@"GEEN STAD EN/OF STRAAT");
        }
    }

    [self dismissModalViewControllerAnimated:YES];
    return YES;
}

不幸的是，在 ios5 中自动引用计数会给我以下错误:

error: Automatic Reference Counting Issue: Implicit conversion of a non-Objective-C pointer type 'CFTypeRef' (aka 'const void *') to 'NSMutableDictionary *' is disallowed with ARC

我猜我这样做的方式(对于 ios4)无论如何都不是一个好方法，我真的很感激关于如何实现这一点的一些建议。提前致谢!

Answer 1

替换这个

cfaddress = ABMultiValueCopyValueAtIndex(address, i);

有了这个

cfaddress = [NSMutableDictionary dictionaryWithDictionary:(NSDictionary *)ABMultiValueCopyValueAtIndex(address, i)];