- (void) scrollViewDidScroll:(UIScrollView *)scrollView
{
CGPoint offset = scrollView.contentOffset; // 当前滚动位移
CGRect bounds = scrollView.bounds; // UIScrollView 可视高度
CGSize size = scrollView.contentSize; // 滚动区域
UIEdgeInsets inset = scrollView.contentInset;
float y = offset.y + bounds.size.height - inset.bottom;
float h = size.height;
NSLog(@"offset: %f", offset.y);
NSLog(@"content.height: %f", size.height);
NSLog(@"bounds.height: %f", bounds.size.height);
NSLog(@"inset.top: %f", inset.top);
NSLog(@"inset.bottom: %f", inset.bottom);
NSLog(@"pos: %f of %f", y, h);
float reload_distance = 10;
if (y > (h + reload_distance)) {
// 滚动到底部
// ...
}
}
http://laiguowei2004.blog.163.com/blog/static/3682900020128252478488/