通过点击来实现collectionView的滑动
有系统的方法可以实现
scrollToItemAtIndexPath: atScrollPosition: animated:
scrollPosition这个参数控制cell具体停留在上下左右中到底哪个位置
UICollectionViewScrollPositionNone = 0,
// The vertical positions are mutually exclusive to each other, but are bitwise or-able with the horizontal scroll positions.
// Combining positions from the same grouping (horizontal or vertical) will result in an NSInvalidArgumentException.
UICollectionViewScrollPositionTop = 1 << 0,
UICollectionViewScrollPositionCenteredVertically = 1 << 1,
UICollectionViewScrollPositionBottom = 1 << 2,
// Likewise, the horizontal positions are mutually exclusive to each other.
UICollectionViewScrollPositionLeft = 1 << 3,
UICollectionViewScrollPositionCenteredHorizontally = 1 << 4,
UICollectionViewScrollPositionRight = 1 << 5
例如我写的collectionView为横向滑动,需要点击两边cell都可以左右滑动,代码如下
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
[collectionView scrollToItemAtIndexPath:indexPath atScrollPosition:UICollectionViewScrollPositionCenteredHorizontally animated:YES];
}
gif5新文件.gif
