Animating UICollectionView contentOffset does not display non-visible cells

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旧巷少年郎
旧巷少年郎 2021-02-01 18:31

I\'m working on some ticker-like functionality and am using a UICollectionView. It was originally a scrollView, but we figure a collectionView will make it easier

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  •  慢半拍i
    慢半拍i (楼主)
    2021-02-01 19:04

    Use :scrollToItemAtIndexPath instead:

    [UIView animateWithDuration:duration animations:^{
        [self.collectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]
                                        atScrollPosition:UICollectionViewScrollPositionNone animated:NO];
    }];
    

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