停用UIScrollView减速 [英] Deactivate UIScrollView decelerating

问题描述

有没有办法停用UIScrollView的减速？

Is there a way to deactivate the decelerating of a UIScrollView?

我想允许用户滚动画布，但我不想要的画布

I want to allow the user to scroll the canvas, but I don't want that the canvas continues scrolling after the user lifted the finger.

推荐答案

这可以通过使用 UIScrollView 委托方法 scrollViewWillBeginDecelerating 自动将内容偏移设置为当前屏幕位置。

This can be done by utilizing the UIScrollView delegate method scrollViewWillBeginDecelerating to automatically set the content offset to the current screen position.

实施：

1. 将您的 c>
实现文件，添加以下代码行：

1. Assign a delegate to your UIScrollView object if you have not already done so.

2. In your delegate's .m implementation file, add the following lines of code:

-(void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView{  
    [scrollView setContentOffset:scrollView.contentOffset animated:YES];   
}

<不再自动滚动。

Voila! No more auto-scroll.

这篇关于停用UIScrollView减速的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！