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我正在尝试以编程方式将自定义视图添加到现有的 UIScrollView。我上网并找到了可能的解决方案，但解决方案搞砸了现有的自动布局。我需要在自定义视图（即滚动视图）的超级视图和自定义视图之间添加一个垂直空间。因此，每当用户从大屏幕（iPhone5）切换到小屏幕（比如 iPhone4s）或反之亦然，自定义视图都会在屏幕上进行相应调整。

-(void) createEventsOnScroll
{
    [imageScroller setContentSize:CGSizeMake(self.imageArray.count*imageScroller.frame.size.width, imageScroller.frame.size.height)];
    [imageScroller setContentOffset:CGPointMake(imageScroller.frame.size.width*self.selectedEventIndex,0)];
    imageScroller.showsHorizontalScrollIndicator = NO;

    for (int i = 0; i<self.imageArray.count; i++)
    {
        EventCustomView *event = [[EventCustomView alloc]initWithFrame:CGRectMake(i*320+5, 3, 310, 435)];
        ChildImage *child = [self.imageArray objectAtIndex:i];
        NSData *data = [NSData dataWithContentsOfFile:child.imageURL];
        event.eventImage.image = [UIImage imageWithData:data];
        [event.eventImage setContentMode:UIViewContentModeScaleAspectFit];
        event.noteView.delegate = self;

        [imageScroller addSubview:event];

        event.translatesAutoresizingMaskIntoConstraints = NO;
        imageScroller.translatesAutoresizingMaskIntoConstraints = NO;

        NSMutableArray *constraints = [[NSMutableArray alloc]init];

        [constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"|[event]|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(event)]];

        [constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[event]-5-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(event)]];
    }

    imageScroller.bounces = NO;
    imageScroller.delegate = self;
    [imageScroller setClipsToBounds:NO];
    imageScroller.scrollEnabled = YES;

    imageScroller.pagingEnabled = YES;   
}

提前致谢。

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