如何根据设备屏幕大小调整集合视图单元格的大小？ [英] How to resize the collection view cells according to device screen size?

问题描述

我注意到细胞总是遵循尺寸检查器中的定义。即使我已经应用了UICollectionViewDelegateFlowLayout。

I noticed that the cells would always follow the definition in size inspector. Even if I have already applied UICollectionViewDelegateFlowLayout.

< a href =https://i.stack.imgur.com/KvIMK.png =noreferrer>

这就是它的外观。但是我希望细胞看起来更像是在较小的iphone屏幕上。

So that's how it looks. But I want the cells to rather look like how it was on a smaller iphone screen.

推荐答案

- (CGSize)collectionView:(UICollectionView *)collectionView 
              layout:(UICollectionViewLayout *)collectionViewLayout 
   sizeForItemAtIndexPath:(NSIndexPath *)indexPath {

   CGFloat height = self.view.frame.size.height;
   CGFloat width  = self.view.frame.size.width;
   // in case you you want the cell to be 40% of your controllers view
   return CGSizeMake(width * 0.4, height * 0.4);
 }

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