如何使用 UIPageControl 创建多个视图?

How do I use UIPageControl to create multiple views?(如何使用 UIPageControl 创建多个视图?)

问题描述

我需要为我的应用程序使用 UIPagecontrol，但我不知道如何开始.我是初学者，苹果给我的例子很复杂.我只需要 3 个页面，每个页面都有不同的视图.

I need to use UIPagecontrol for my application, and I'm not sure how to get started. I'm a beginner, and the examples that apple gives me are pretty complicated. All I need are 3 pages with different views for each of them.

推荐答案

你会想要使用 UIScrollView，然后，作为兄弟，将 UIPageControl 放置在它上面.然后将您的每个页面放入滚动视图并为其打开分页.这样，每次轻弹"都会将滚动视图移动一页.

You'll want to use a UIScrollView, and then, as a sibling, position the UIPageControl over it. Then put each of your pages into the scroll view and turn paging on for it. This way each 'flick' will move the scroll view one page over.

现在，将您的视图控制器指定为滚动视图的代理，并注意 scrollViewDidEndScrollAnimation，并使用 contentOffset 来确定当前页面.

Now, assign your view controller to be the delegate of the scroll view, and watch for scrollViewDidEndScrollAnimation, and use the contentOffset to determine which page is current.

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