手势检测

  

   

    

     

    
    

     

      - (void)viewDidLoad
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     

          [super viewDidLoad];
     
    
   

    

     

    
    

     
	// Do any additional setup after loading the view.
     
    
   

    

     

    
    

     

          UISwipeGestureRecognizer *recognizer;
     
    
   

    

     

    
    

     

          recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)];
     
    
   

    

     

    
    

     

          [recognizer setDirection:(UISwipeGestureRecognizerDirectionDown)];
     
    
   

    

     

    
    

     

          [[self view] addGestureRecognizer:recognizer];
     
    
   

    

     

    
    

     

          [recognizer release];
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     

      -(void)handleSwipeFrom:(UISwipeGestureRecognizer *)recognizer{
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    if(recognizer.direction==UISwipeGestureRecognizerDirectionDown)
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     

              [self dismissViewControllerAnimated:YES completion:nil];
     
    
   

    

     

    
    

     

          }
     
    
   

    

     

    
    

     

      }
     
    
  
 

  
 
 

文章来源: zzzili.blog.csdn.net，作者：清雨小竹，版权归原作者所有，如需转载，请联系作者。

原文链接：zzzili.blog.csdn.net/article/details/8924447