有水平的UIRefreshControl吗？ [英] Is there a horizontal UIRefreshControl?

问题描述

您可以将 UIRefreshControl 添加到 UICollectionView （或任何 UIScrollView 就此而言）通过，将它移回目标C应该很简单。

我所做的全部是在这里添加一个实用功能和一些条件那里。

You can add UIRefreshControl to UICollectionView (or any UIScrollView for that matter) by adding it to collection's subviews:

UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
[refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged];
[self.collectionView addSubview:refreshControl];

This doesn't work when collection view layout has UICollectionViewScrollDirectionHorizontal.

I tried overriding layoutSubviews to put refresh control to the left, but it wouldn't track scrolling progress this way. Can I trick it into working with horizontal layouts?

解决方案

I couldn't find any existing solutions so I extended ODRefreshControl with horizontal layout support:

I needed solution in MonoTouch (C#) so I started by source-porting ODRefreshControl and then patched it to work with horizontal layout.

Full C# source code is here, it should be straightforward to port it back to Objective C.
All I did was add an utility function and some conditions here and there.

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