如何在Swift中的UICollectionView中添加分页? [英] How to add pagination in UICollectionView in swift?

问题描述

我有一个显示项目的UICollection视图.现在，我想在UICollectionView上添加分页.我不想使用任何第三方使用此功能.请让我知道我如何实现这一目标！

I have a UICollection view which shows items. Now I want to add pagination on UICollectionView. I do not want to use any third party for this functionality. Please let me know how I can achieve this!

我有四个示例 http://slicode.com/bottom-refresh-control- uicollectionview/

但是在此过程中，我必须向上拖动scrollview几秒钟以使其正常运行.

But in this I have to drag scrollview upwards for few second to make it work.

推荐答案

如果要添加底部刷新控件，则必须使用以下帮助程序类.

If you want to add bottom refresh control you have to use below helper class.

https://github.com/vlasov/CCBottomRefreshControl/tree/master/Classes

下载Objective-C中的这2个文件.您必须将此文件导入桥接头文件

Download this 2 files which is in Objective-C. You have to import this file in Bridging header

#import "UIScrollView+BottomRefreshControl.h"

添加这样的刷新控件.

let refreshControl = UIRefreshControl.init(frame: CGRect(x: 0, y: 0, width: 50, height: 50))
refreshControl.triggerVerticalOffset = 50.0 
refreshControl.addTarget(self, action: #selector(paginateMore), for: .valueChanged) 
collectionView.bottomRefreshControl = refreshControl

此帮助器类为您提供了新的bottomRefreshControl属性，可帮助您在底部添加刷新控件.

This helper class provide you new bottomRefreshControl property, which helps you to add refresh control in bottom.

这篇关于如何在Swift中的UICollectionView中添加分页?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！