如何禁用 UIScrollView 的水平滚动?

问题描述

我有一个 UIView 像 iPhone 的 Springboard.我使用 UIScrollView 和 UIButtons 创建了它.我想在所述滚动视图上禁用水平滚动.我只想要垂直滚动.我该如何做到这一点?

I have a UIView like iPhone's Springboard. I have created it using a UIScrollView and UIButtons. I want to disable horizontal scrolling on said scrollview. I want only vertical scrolling. How do I accomplish this?

推荐答案

你必须设置 UIScrollView 的 contentSize 属性.例如，如果你的 UIScrollView 是 320 像素宽(屏幕的宽度)，那么你可以这样做:

You have to set the contentSize property of the UIScrollView. For example, if your UIScrollView is 320 pixels wide (the width of the screen), then you could do this:

CGSize scrollableSize = CGSizeMake(320, myScrollableHeight);
[myScrollView setContentSize:scrollableSize];

UIScrollView 只会垂直滚动，因为它已经可以水平显示所有内容.

The UIScrollView will then only scroll vertically, because it can already display everything horizontally.

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