Iphone 数组来自哪里？还要注意的是，您总是从用户默认设置中获取不可变对象，即使您将可变对象放入其中。如果您有一个新问题，请不要编辑旧问题。总是创建一个新的帖子。 id object = [[NSUserDefaults standardUserDefaults]

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数组来自哪里？还要注意的是，您总是从用户默认设置中获取不可变对象，即使您将可变对象放入其中。如果您有一个新问题，请不要编辑旧问题。总是创建一个新的帖子。

id object = [[NSUserDefaults standardUserDefaults] objectForKey:@"array"];

    if (object) 
    {
        locationArray = object;
        NSLog(@"retrieved", object);
    }
    else 
    {
        locationArray = [[NSMutableArray alloc] init];
        NSLog(@"init");
    }

            ABMultiValueRef multi = ABRecordCopyValue(person, property);
            NSUserDefaults *locatie = [NSUserDefaults standardUserDefaults];

            // Set up an NSArray and copy the values in.
            NSArray *theArray = [(id)ABMultiValueCopyArrayOfAllValues(multi) autorelease];
            //everything goes fine the first time, but the second time i receive an error after at this code:
            [locationArray addObject:theArray];

            [locatie setObject:locationArray forKey:@"array"];

NSString *fname = (NSString *)ABRecordCopyValue(person, kABPersonFirstNameProperty);
NSMutableString *lname = (NSMutableString *)ABRecordCopyValue(person, kABPersonLastNameProperty);

NSMutableString *name = [[NSMutableString alloc] init];

NSMutableString *space = @" ";
fname = [fname stringByAppendingFormat:space];
fname = [fname stringByAppendingFormat:lname];

name = fname;

[nameArray addObject:fname];

    if (nameArray == nil) {
        NSLog(@"NO DATA TO RETRIEVE FROM USERDEFAULTS");

NSMutableArray* locationArray = [[NSUserDefaults standardUserDefaults] objectForKey:@"array"];

if (locationArray != nil)
    locationArray = [[locationArray mutableCopy] autorelease];
else 
    locationArray = [NSMutableArray array];