iphone - 找到结束/结束坐标你一个 UISwipeGestureRecognizer

Question

我可以通过执行以下操作找到滑动开始位置的起始坐标

- (void)oneFingerSwipeUp:(UISwipeGestureRecognizer *)recognizer 
{ 
CGPoint point = [recognizer locationInView:[self view]];
NSLog(@"Swipe up - start location: %f,%f", point.x, point.y);
}

是否可以找到滑动结束的坐标？我查看了文档，但没有提到。有一些解决办法吗？

非常感谢，-代码

Answer 1

您需要检查手势识别器的状态属性

- (void)swipe:(UISwipeGestureRecognizer *)recognizer
{
   CGPoint point = [recognizer locationInView:[recognizer view]];
   if (recognizer.state == UIGestureRecognizerStateBegan)
       NSLog(@"began: %@", NSStringFromCGPoint(point));
   else if (recognizer.state == UIGestureRecognizerStateEnded)
       NSLog(@"ended: %@", NSStringFromCGPoint(point));
}