问题描述
我有一个显示照片的 UICollectionView 。我使用 UICollectionViewFlowLayout 创建了集合视图。它工作得很好，但我希望在边距上有间距。是否可以使用 UICollectionViewFlowLayout 来实现，或者我必须实现自己的 UICollectionViewLayout ？
I have a UICollectionView which shows photos. I have created the collectionview using UICollectionViewFlowLayout. It works good but I would like to have spacing on margins. Is it possible to do that using UICollectionViewFlowLayout or must I implement my own UICollectionViewLayout?
推荐答案
您可以使用集合视图：布局：insetForSectionAtIndex： UICollectionView的方法或设置附加到 UICollectionViewFlowLayout 对象的 sectionInset 属性> UICollectionView ：
You can use the collectionView:layout:insetForSectionAtIndex: method for your UICollectionView or set the sectionInset property of the UICollectionViewFlowLayout object attached to your UICollectionView:
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section{
return UIEdgeInsetsMake(top, left, bottom, right);
}
或
UICollectionViewFlowLayout *aFlowLayout = [[UICollectionViewFlowLayout alloc] init];
[aFlowLayout setSectionInset:UIEdgeInsetsMake(top, left, bottom, right)];
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