iOS scrollview结束滚动的代理

(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
[self scrollViewEndScroll:scrollView];
}

(void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {
if ( !decelerate ) {
[self scrollViewEndScroll:scrollView];
}
}

(void)scrollViewEndScroll:(UIScrollView *)scrollView
{
[self.collectionView visibleCells];
}