解决UICollectionView ReloadData闪一下(隐式动画)

方式一:

1

2

3

4

5

6

7

[UIView setAnimationsEnabled:NO];

 

[collectionView performBatchUpdates:^{

    [collectionView reloadData];

} completion:^(BOOL finished) {

    [UIView setAnimationsEnabled:YES];

}];

方式二:

1

2

3

4

5

[UIView animateWithDuration:0 animations:^{

    [collectionView performBatchUpdates:^{

        [collectionView reloadData];

    } completion:nil];

}];