UIScrollView幻像子视图

NSArray *nibViews = [[NSBundle mainBundle] loadNibNamed:@\"AnalysisView\" owner:self options:nil];
AnalysisView *gridView = [nibViews objectAtIndex: 0];

for (NSInteger i = [results count] -1; i >= 0; i--) 
{
    Result *result = [results objectAtIndex:i];
    [self loadResult: result];
}

- (void) loadResult: (Result *) result
{
    NSArray *nibViews = [[NSBundle mainBundle] loadNibNamed:@\"GridView\" owner:self options:nil];
    GridView *gridView = [nibViews objectAtIndex: 0];
    gridView.tag = self.graphCount;

    CGRect gridFrame = gridView.frame;

    CGFloat yOffset = gridFrame.size.height * self.graphCount;
    gridView.frame = CGRectMake(0, yOffset, gridFrame.size.width, gridFrame.size.height);

    [self.gridScrollView addSubview: gridView];
    self.gridScrollView.contentSize = CGSizeMake(self.gridScrollView.frame.size.width, (yOffset + gridFrame.size.height));

    self.graphCount++;
}

-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
{
      NSLog(@\"%d\", [scrollView.subviews count]);
}