ios 如何在 UIScrollView 中以编程方式滚动到某个位置
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How do I scroll to a position programmatically in UIScrollView
提问by user1072740
I have a scroll view which scrolls horizontally. I just added images, labels and a webview in it and there are many objects in it. I want to directly scroll to the first object in the scroll view. How do I do this?
我有一个水平滚动的滚动视图。我只是在其中添加了图像、标签和 webview，其中有很多对象。我想直接滚动到滚动视图中的第一个对象。我该怎么做呢？
回答by Saurabh Passolia
Use the following code:
使用以下代码：
scrollView.contentOffset = CGPointMake(0,0);
回答by inorganik
To animate your scrolling do this:
要为滚动设置动画，请执行以下操作：
CGRect frame = CGRectMake(0, 768, 1024, 748); //wherever you want to scroll
[self.scrollView scrollRectToVisible:frame animated:YES];
回答by Kakshil Shah
Easiest way with animation ->
最简单的动画方式 ->
[scrollView setContentOffset:CGPointMake(0, 0) animated:YES]
回答by Arjun Nagineni
The swift 3 version of the answer is:
答案的 swift 3 版本是：
scrollView.contentOffset = CGPoint(x: 0.0, y: 0.0)
scrollView.contentOffset = CGPoint(x: 0.0, y: 0.0)
