uiscrollview不能水平滚动

问题描述

下面我的UIScrollView不是横向滚动，请在这里帮助我..

My UIScrollView below is not scrolling horizontally, Please help me here..

FirstView = [[UIView alloc] initWithFrame:CGRectMake(60, 0, 100, 150)];
    [FirstView setBackgroundColor:[UIColor clearColor]];

    SecondView = [[UIView alloc] initWithFrame:CGRectMake(320+60, 0, 100, 150)];
    [SecondView setBackgroundColor:[UIColor clearColor]];

    HolderView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 1000, 150)];

    scrHorizontalScroll = [[UIScrollView alloc]initWithFrame:HolderView.frame];
        [scrHorizontalScroll setBackgroundColor:[UIColor redColor]];
    [scrHorizontalScroll setContentSize:CGSizeMake(999, 150)];
    [scrHorizontalScroll setScrollEnabled:YES];
    [HolderView addSubview:scrHorizontalScroll];
[scrHorizontalScroll addSubView:FirstView]; [scrHorizontalScroll addSubView:SecondView]; [HolderView addSubView: scrHorizontalScroll];

HolderView不会横向滚动，但会发生这种情况，请帮助

The HolderView is not scrolling horizontally but which happen, please help

注意：我有一个mainView，它根据帧坐标在其顶部添加此HolderView。

Note: I have a mainView which adds this HolderView in its top section as per the frame coordinates.

[mainView addSubView:label].... [mainView addSubView:HolderView];

这是完整的结构

推荐答案

滚动视图仅在其内容大小大于时滚动。

A scroll view will only scroll when its content size is bigger than its frame.

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