UICollectionView的Cell加载动画

-(void)collectionView:(UICollectionView *)collectionView willDisplayCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath { // CGAffineTransformMake(a,b,c,d,tx,ty) // ad缩放bc旋转tx,ty位移，基础的2D矩阵 cell.transform = CGAffineTransformMakeScale(1.4, 1.4);//CGAffineTransformMake(1.4, 0, 0, 1.4, 10, 10); [UIView animateWithDuration:0.5 delay:0.0 options:UIViewAnimationOptionCurveEaseInOut animations:^{ cell.transform = CGAffineTransformIdentity; } completion:nil]; }