UISwipeGestureRecognizer的用法

gistfile1.m

-(void)initSwipeGestureRecognizer{
       UISwipeGestureRecognizer *swipeGestureRecognizer=[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipe:)]; 
       [self.view addGestureRecognizer:swipeGestureRecognizer];
}

-(void)swipe:(UISwipeGestureRecognizer*)sender{
      switch(sender.direction){
        case UISwipeGestureRecognizerDirectionRight:  
        {  
            break;  
        }  
        case UISwipeGestureRecognizerDirectionLeft:  
        {  
            break;  
        }  
        case UISwipeGestureRecognizerDirectionUp:  
        {  
            break;  
        }  
        case UISwipeGestureRecognizerDirectionDown:  
        {  
            break;  
        }  
      }
}