zoukankan      html  css  js  c++  java
  • [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)];

        [[selfview] addGestureRecognizer:recognizer];

    [recognizer release];

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

         [recognizer setDirection:(UISwipeGestureRecognizerDirectionLeft)];

        [[selfview] addGestureRecognizer:recognizer];

    [recognizer release];

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

         [recognizer setDirection:(UISwipeGestureRecognizerDirectionUp)];

        [[selfview] addGestureRecognizer:recognizer];

    [recognizer release];

     

     UISwipeGestureRecognizer *recognizer;

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

         [recognizer setDirection:(UISwipeGestureRecognizerDirectionDown)];

        [[selfview] 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

    }


    }

  • 相关阅读:
    Codeforces 543E. Listening to Music
    UOJ #138. 【UER #3】开学前的涂鸦
    bzoj 3569: DZY Loves Chinese II
    bzoj 2428: [HAOI2006]均分数据
    bzoj 4589: Hard Nim
    UOJ #119. 【UR #8】决战圆锥曲线
    spoj5973
    codeforces555E
    poj1275
    bzoj4152
  • 原文地址:https://www.cnblogs.com/jinjiantong/p/3013716.html
Copyright © 2011-2022 走看看