快速拉动刷新 [英] swift pull to refresh

问题描述

我的 refreshcontroller 带有 scrollview ..

  self.refreshControl = UIRefreshControl()
        self.refreshControl.attributedTitle = NSAttributedString(string: "Frissítéshez húzzad! :)")
        self.refreshControl.addTarget(self, action: "refresh:", forControlEvents: UIControlEvents.ValueChanged)
        self.scrollView.addSubview(refreshControl)

func refresh(sender:AnyObject)
    {

//my refresh code here..

            self.refreshControl.endRefreshing()
    }

我将子视图添加到 scrollView 。当页面内容溢出屏幕时，它正在工作。但问题是，当我没有收到太多数据并且它不是溢出时，拉动和刷新功能不是加工。 :(

I'm adding as a subview to a scrollView. It's working when the page content is overflowing the screen. but the issue arise when i haven't received much data and it's not overflowing, the pull and refresh function is not working. :(

我没有使用 tableview 。

有人可以帮我解决这个问题吗？

Can anybody help me how to solve this problem?

推荐答案

self.scrollView.scrollEnabled = true
self.scrollView.alwaysBounceVertical = true

var alwaysBounceVertical：Bool //默认NO。如果是，弹跳是YES，即使内容小于边界，也允许垂直拖动

var alwaysBounceVertical: Bool // default NO. if YES and bounces is YES, even if content is smaller than bounds, allow drag vertically

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