我想使用UICollectionView,可以创建以下布局：
如您所见,有两种不同大小的单元格.一个是行的1/4,另一个是3/4.是否可以使用UICollectionView创建这种布局？
有人可以教我怎么做吗???还是有样品???我已经学过很多教程和参考资料.但还是不知道怎么做..
谢谢！
解决方法@H_404_12@
好吧,我暂时硬编码了项目宽度(72.0和23.0). 5.0的其余部分将用于临时间距和edgeInsets.此代码将为您提供您想要的内容.
- - (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section
- {
- return 10.0;
- }
-
- - (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section
- {
- return 10.0;
- }
-
- #pragma mark - CollectionViewFlowLayout Methods
-
- - (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
- {
- CGSize newSize = CGSizeZero;
- newSize.height = 100;
-
- CGRect screenBounds = [[UIScreen mainScreen] bounds];
- CGSize screenSize = screenBounds.size;
-
- if(indexPath.item % 4 == 0 || indexPath.item % 4 == 3)
- {
- // Size : 1/4th of screen
- newSize.width = screenSize.width * 0.23;
- }
- else
- {
- // Size : 3/4th of screen
- newSize.width = screenSize.width * 0.72;
-
- }
- return newSize;
- }
-
- - (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
- {
- return UIEdgeInsetsMake(10,2.0,10,2.0);
- }
- - (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section
- {
- return 10.0;
- }
- - (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section
- {
- return 10.0;
- }
- #pragma mark - CollectionViewFlowLayout Methods
- - (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
- {
- CGSize newSize = CGSizeZero;
- newSize.height = 100;
- CGRect screenBounds = [[UIScreen mainScreen] bounds];
- CGSize screenSize = screenBounds.size;
- if(indexPath.item % 4 == 0 || indexPath.item % 4 == 3)
- {
- // Size : 1/4th of screen
- newSize.width = screenSize.width * 0.23;
- }
- else
- {
- // Size : 3/4th of screen
- newSize.width = screenSize.width * 0.72;
- }
- return newSize;
- }
- - (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
- {
- return UIEdgeInsetsMake(10,2.0,10,2.0);
- }
