Hittest

        // install gesture recognizer
        UITapGestureRecognizer *recognizer;
        recognizer = [[UITapGestureRecognizer alloc] initWithTarget:result action:@selector(tapAction:)];
        [itemView addGestureRecognizer: recognizer];
        [recognizer release];

        [laView addSubview: itemView];


-(BOOL)isInfoButtonTap:(UIGestureRecognizer*) recognizer shouldPerformInfoButtonAction:(BOOL)performAction
{
    BOOL ret = NO;
    CGPoint location = [recognizer locationInView:self];
    UIView *hitView = [self hitTest:location withEvent:nil];
    if(([hitView isKindOfClass:[UIButton class]]))
    {
        ret = YES;
        if((performAction) && (!_infoBubble))
        {
            [self performInfoButtonTapAnchoredToThisButton:(UIButton *)hitView];
        }
        else if(_infoBubble)
        {
            [self closeInfoBubble];
        }
    }

    return ret;
}

- (void) tapAction: (UIGestureRecognizer*) recognizer
{
    LYItemView *itemView = (LYItemView*) recognizer.view;

    if([self isInfoButtonTap:recognizer shouldPerformInfoButtonAction:YES])
    {
        return;
    }

    (....)
}


-(void)performInfoButtonTapAnchoredToThisButton:(UIButton *)button
{
    (....)
}