IOS手势操作：点击＋滑动

悠悠 2023-10-18 13:42 143阅读 0赞

1.手指点击事件

//单指单击
    UITapGestureRecognizer *singleFingerOne = [[UITapGestureRecognizer alloc] initWithTarget:self
                                                                                      action:@selector(handleSingleFingerEvent:)];
    singleFingerOne.numberOfTouchesRequired = 1; //手指数
    singleFingerOne.numberOfTapsRequired = 1; //tap次数
    singleFingerOne.delegate = self;
    
    //单指双击
    UITapGestureRecognizer *singleFingerTwo = [[UITapGestureRecognizer alloc] initWithTarget:self
                                                                                      action:@selector(handleSingleFingerEvent:)];
    singleFingerTwo.numberOfTouchesRequired = 1;
    singleFingerTwo.numberOfTapsRequired = 2;
    singleFingerTwo.delegate = self;
    
    //双指单击
    UITapGestureRecognizer *doubleFingerOne = [[UITapGestureRecognizer alloc] initWithTarget:self
                                                                                      action:@selector(handleDoubleFingerEvent:)];
    doubleFingerOne.numberOfTouchesRequired = 2;
    doubleFingerOne.numberOfTapsRequired = 1;
    doubleFingerOne.delegate = self;
    
    UITapGestureRecognizer *doubleFingerTwo = [[UITapGestureRecognizer alloc] initWithTarget:self
                                                                                      action:@selector(handleDoubleFingerEvent:)];
    doubleFingerTwo.numberOfTouchesRequired = 2;
    doubleFingerTwo.numberOfTapsRequired = 2;
    doubleFingerTwo.delegate = self;
    
    //如果不加下面的话，当单指双击时，会先调用单指单击中的处理，再调用单指双击中的处理
    [singleFingerOne requireGestureRecognizerToFail:singleFingerTwo];
    //同理双指亦是如此
    [doubleFingerOne requireGestureRecognizerToFail:doubleFingerTwo];
    
    [self.view addGestureRecognizer:singleFingerOne];
    [self.view addGestureRecognizer:singleFingerTwo];
    [self.view addGestureRecognizer:doubleFingerOne];
    [self.view addGestureRecognizer:doubleFingerTwo];
    
    [singleFingerOne release];
    [singleFingerTwo release];
    [doubleFingerOne release];
    [doubleFingerTwo release];
    
    //处理单指事件
    - (void)handleSingleFingerEvent:(UITapGestureRecognizer *)sender
    {
        if (sender.numberOfTapsRequired == 1) {
            //单指单击
            NSLog(@"单指单击");
        }else if(sender.numberOfTapsRequired == 2){
            //单指双击
            NSLog(@"单指双击");
        }
    }
    //处理双指事件
    - (void)handleDoubleFingerEvent:(UITapGestureRecognizer *)sender
    {
        if (sender.numberOfTapsRequired == 1) {
            //双指单击
            NSLog(@"双指单击");
        }else if(sender.numberOfTapsRequired == 2){
            //双指双击
            NSLog(@"双指双击");
        }
    }

2.手指滑动事件

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];
        
        
        
        recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)];
        [recognizer setDirection:(UISwipeGestureRecognizerDirectionDown)];
        [[self view] addGestureRecognizer:recognizer];
        [recognizer release];

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

if(recognizer.direction==UISwipeGestureRecognizerDirectionLeft||recognizer.direction==UISwipeGestureRecognizerDirectionDown) \{

NSLog(@"swipe left");

//执行程序

\[self ReadNextPage\];

if(recognizer.direction==UISwipeGestureRecognizerDirectionRight||recognizer.direction == UISwipeGestureRecognizerDirectionUp) \{

NSLog(@"swipe right");

//执行程序

\[self ReadLastPage\];