从UIScrollView中删除子视图

Question

我需要删除的图像subviews从一个ScrollView和我试图去除array的subviews,但是这是一个NSArray这是不可改变的.

如何才能subview予以除名scrollviews array的subviews？

Answer 1

    NSArray *viewsToRemove = [scrollView subviews];
    for (UIView *v in viewsToRemove) [v removeFromSuperview];

Answer 2

你可以这样做,

[[scrollView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];

Answer 3

这将删除UIScrollView的所有子视图但其滚动指示符:_scrollView.showsHorizo​​ntalScrollIndicator = _scrollView.showsVerticalScrollIndicator = NO; [_scrollView.subviews makeObjectsPerformSelector:@ selector(removeFromSuperview)]; _scrollView.showsHorizo​​ntalScrollIndicator = _scrollView.showsVerticalScrollIndicator = YES;