iOS:UICollectionViewCell 根据屏幕大小自动调整大小 [英] iOS: UICollectionViewCell auto adjust size according to screen size

问题描述

我正在尝试在集合视图中创建 10 个单元格(与屏幕大小相同).当我在 iphone5s 模拟器中运行我的应用程序时，该视图正好包含 5 个单元格.但是当我切换到 iphone6p 模拟器时，视图包含超过 5 个单元格.我应该如何调整单元格大小，使屏幕中的单元格数量在不同屏幕尺寸下保持一致?

I am trying to create 10 cells in the collection view(same size as the screen). When I run my app in iphone5s simulator, the view contains exactly 5 cells. But when I switch to iphone6p simulator, the view contains more than 5 cells. How should I adjust the cell size so that the number of cells in screen are consistent across different screen sizes?

推荐答案

-(CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
   int numberOfCellInRow = 3;
   CGFloat cellWidth =  [[UIScreen mainScreen] bounds].size.width/numberOfCellInRow;
   return CGSizeMake(cellWidth, cellWidth);
}

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