Untitled

iCloud: UIDocment-completionHandler do not return NO
//search file list
_query = [[NSMetadataQuery alloc] init];
[_query setSearchScopes:[NSArray arrayWithObjects:NSMetadataQueryUbiquitousDataScope, nil]];
[_query setPredicate:[NSPredicate predicateWithFormat:@"%K like '*.*'",     NSMetadataItemFSNameKey]];
NSNotificationCenter* notificationCenter = [NSNotificationCenter defaultCenter];
[notificationCenter addObserver:self selector:@selector(fileListReceived)
                       name:NSMetadataQueryDidFinishGatheringNotification object:nil];
[_query startQuery];

//get file list
-(void)fileListReceived
{
    NSArray* queryResults = [_query results];
    _rcvArray = [NSMutableArray array];
    for (NSMetadataItem* result in queryResults) {
        [_rcvArray addObject:[result valueForAttribute:NSMetadataItemURLKey]];

    }
}