Iphone 捕获了在UiScrollView中触摸但无法在其他函数中访问的子视图。

我有UIScrollView，其中添加了子视图（图片）来执行此操作。每次用户触摸scrollview中的图片时，它都会在其顶部切换复选标记

NSMutableIndexSet*图片数组 1）不使用UIImageView，而是实现UIImageView的子级。然后试着倾听各个子视图上的触摸，这应该可以解决O（n）问题

2） 某些内容可能会自动发布，请仔细检查您的引用计数是否正确

尝试

UIView*targetView=[self-hitTest:location with-event:nil]

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感谢您的回复SLF！你能解释一下你所说的实现UiImageView的孩子是什么意思吗？对于自动释放问题，[（UIImageView*）[self-viewWithTag:i]image]基本上为空。那么带标签的self-viewwithTag：我是自动释放的吗？

- (void) touchesEnded: (NSSet *) touches withEvent: (UIEvent *) event {
if (!self.dragging) {
    [self.nextResponder touchesEnded: touches withEvent:event]; 
    NSLog(@"Touch down");
    for (UITouch *touch in touches) {

        for (int i = 1; i <= [self subviews].count; i++)
        {


        if(CGRectContainsPoint([[self viewWithTag:i]frame], [touch locationInView:self])){      
            NSLog(@"touched %d th view",i);

            NSArray *subviews = [[self viewWithTag:i] subviews];
            UIImageView *view = nil;

            view = [subviews objectAtIndex:0];

                if(view.hidden){
                    // add the index
                    [picturesArray addIndex:i]; 
                    view.hidden = NO; //check mark is shown
                }else{
                    [picturesArray removeIndex:i]; 
                    view.hidden = YES; //check mark is not shown
                }



            //  UIImageWriteToSavedPhotosAlbum([(UIImageView *)[self viewWithTag:i]image], nil, nil, nil); <- WORKS IF CALLED

            }

        }   
    }

}   

NSLog(@"Element is %d",theIndexBuffer[i]);      
   UIImageWriteToSavedPhotosAlbum([(UIImageView *)[self viewWithTag:i]image], nil, nil, nil); <- THIS CRASHES