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  • iOS-响应上下左右滑动手势

    -(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

    }

    }

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  • 原文地址:https://www.cnblogs.com/Sucri/p/4819165.html
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