上下左右手势

  

   

    

     

    
    

     

      -(void)viewDidLoad{
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      UISwipeGestureRecognizer *recognizer; 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

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

    

     

    
    

     
 
     
    
   

    

     

    
    

     

           [recognizer setDirection:(UISwipeGestureRecognizerDirectionRight)];
     
    
   

    

     

    
    

     

          [[self view] addGestureRecognizer:recognizer];
     
    
   

    

     

    
    

     

      [recognizer release];
     
    
   

    

     

    
    

     

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

    

     

    
    

     
 
     
    
   

    

     

    
    

     

           [recognizer setDirection:(UISwipeGestureRecognizerDirectionLeft)];
     
    
   

    

     

    
    

     

          [[self view] addGestureRecognizer:recognizer];
     
    
   

    

     

    
    

     

      [recognizer release];
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

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

    

     

    
    

     
 
     
    
   

    

     

    
    

     

           [recognizer setDirection:(UISwipeGestureRecognizerDirectionUp)];
     
    
   

    

     

    
    

     

          [[self view] addGestureRecognizer:recognizer];
     
    
   

    

     

    
    

     

      [recognizer release];
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      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) {
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
       NSLog(@"swipe down");
     
    
   

    

     

    
    

     

      //执行程序
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     

      if(recognizer.direction==UISwipeGestureRecognizerDirectionUp) {
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
       NSLog(@"swipe up");
     
    
   

    

     

    
    

     

      //执行程序
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      if(recognizer.direction==UISwipeGestureRecognizerDirectionLeft) {
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
       NSLog(@"swipe left");
     
    
   

    

     

    
    

     

      //执行程序
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      if(recognizer.direction==UISwipeGestureRecognizerDirectionRight) {
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
       NSLog(@"swipe right");
     
    
   

    

     

    
    

     

      //执行程序
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      }
     
    
  
 

  
 
 

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/8628919