floating button tableview problem

CGRect floatButtonFrame = CGRectMake([UIScreen mainScreen].bounds.size.width - 44 - 20, [UIScreen mainScreen].bounds.size.height - 44 - 20, 44, 44);


    floatingButton = [[VCFloatingActionButton alloc] initWithFrame:floatButtonFrame normalImage:[UIImage imageNamed:@"plus"] andPressedImage:[UIImage imageNamed:@"cross"] withScrollview:self.aktivitiTableView];

    floatingButton.imageArray = @[@"fb-icon",@"twitter-icon",@"google-icon",@"linkedin-icon"];
    floatingButton.labelArray = @[@"Facebook",@"Twitter",@"Google Plus",@"Linked in"];

    floatingButton.hideWhileScrolling = NO;
    floatingButton.delegate = self;

    [self.aktivitiTableView addSubview:floatingButton];