iOS에서 사용자 로케일 순으로 정렬하기

gistfile1.m

NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"key_name" ascending:YES comparator:^NSComparisonResult(id obj1, id obj2) {
    NSStringCompareOptions comparisonOptions = NSCaseInsensitiveSearch | NSNumericSearch | NSWidthInsensitiveSearch | NSForcedOrderingSearch;
    NSRange stringRange = NSMakeRange(0, ((NSString *)obj1).length);
    return [(NSString *)obj1 compare:(NSString *)obj2 options:comparisonOptions range:stringRange locale:[NSLocale autoupdatingCurrentLocale]];
}];
sortedArray = [[NSMutableArray alloc] initWithArray:[arrayFromSQLite sortedArrayUsingDescriptors:@[sortDescriptor]]];