Created
January 30, 2015 09:32
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iOS UIScrollView: How to detect scrolling direction
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| // http://stackoverflow.com/a/21806997/893945 | |
| @interface MyViewController : UIViewController <UIScrollViewDelegate> | |
| @end | |
| @implementation MyViewController | |
| - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView | |
| { | |
| if([scrollView.panGestureRecognizer translationInView:scrollView.superview].y < 0) { | |
| // up | |
| } else { | |
| // down | |
| } | |
| } |
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not work