ios 轻扫手势

UISwipeGestureRecognizer *swip =[[UISwipeGestureRecognizer
alloc]initWithTarget:self
action:@selector(toucheAction:)];
swip.numberOfTouchesRequired=1;
swip.direction=UISwipeGestureRecognizerDirectionDown ;

[self.view
addGestureRecognizer:swip];

switch (ID.direction) {
case
UISwipeGestureRecognizerDirectionUp:
NSLog(@"shang");
break;
case
UISwipeGestureRecognizerDirectionDown:
NSLog(@"xia");
break;
case
UISwipeGestureRecognizerDirectionLeft:
NSLog(@"zuo");
break;
case
UISwipeGestureRecognizerDirectionRight:
NSLog(@"you");
break;

default:
break;
}