iOS CollectionView滚动结束代理，默认滚动为最左

2019-06-06 本文已影响0人猿姑凉

(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
// 动画停止, 重新定位到第 50 组模型
int inc = ((int)(scrollView.contentOffset.x / scrollView.frame.size.width)) % self.data.count;
[self.collectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForRow:50 * self.data.count + inc inSection:0] atScrollPosition:UICollectionViewScrollPositionLeft animated:NO];
}