CollctionView添加头部视图，不是sectionHeader

sara_xuehua

于 2016-06-06 17:47:43 发布

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本文介绍了一种在UICollectionView的顶部插入自定义视图的方法，通过调整contentInset属性并在CollectionView中添加UIImageView实现类似UITableView的tableHeaderView效果。

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self.collectionView  =  [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, 320, self.view.frame.size.height) collectionViewLayout:flowlayout];
self.collectionView.contentInset = UIEdgeInsetsMake(50, 0, 0, 0);
UIImageView *imagev = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"015.png"]];
imagev.frame = CGRectMake(0, -50, 320, 50);
[self.collectionView addSubview: imagev];
[self.view addSubview: _collectionView];

I use the attribute contentInset to insert a frame to the top of the UICollectionView, then I add the image view to it, and it succeeds. I think it can act excactly as UITableView's tableHeaderView property. What do you think?