Day.03.16 UITapGestureRecognizer 手势识别器 ⭐️⭐️⭐️

ViewController.m

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.userInteractionEnabled = YES;
    
    self.view.multipleTouchEnabled = YES;
    
//    [self tapGesture];
//    [self longPress];
//    [self swipeGesture];
//    [self panGesture];
    [self pinchGesture];
    
    
    
}

#pragma mark -- 点击Tap
- (void)tapGesture{

//1.创建
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];

//2.属性
    //点击次数
    tap.numberOfTapsRequired =1;
    
    //手指个数
    tap.numberOfTouchesRequired =1;
    
//3.添加手势
    [self.view addGestureRecognizer:tap];
    
/*——————————————————————————————————————————————————————————————————————————————-*/
    UITapGestureRecognizer *doubleTap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];
    
    doubleTap.numberOfTapsRequired =2;
    
    [self.view addGestureRecognizer:doubleTap];
}

- (void)tapAction:(UITapGestureRecognizer *)tap{

    if (tap.numberOfTapsRequired == 1) {
        
        NSLog(@"single tap");
    }else if (tap.numberOfTapsRequired == 2){
    
        NSLog(@"double tap");
    }
}

#pragma mark -- 长按 longPress
- (void)longPress{

    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longAction:)];
    
    //设置长按时间
    longPress.minimumPressDuration = 3;
    
    [self.view addGestureRecognizer:longPress];
}

- (void)longAction:(UILongPressGestureRecognizer *)longPress{

    NSLog(@"long press");
    
    /**
     *  UIGestureRecognizerStatePossible,
     
     UIGestureRecognizerStateBegan,
     UIGestureRecognizerStateChanged,
     UIGestureRecognizerStateEnded,
     UIGestureRecognizerStateCancelled,
     UIGestureRecognizerStateFailed,
     UIGestureRecognizerStateRecognized = UIGestureRecognizerStateEnded
     */
    NSLog(@"%ld",longPress.state);
}

#pragma mark --轻扫 swipe
- (void)swipeGesture{

    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipeAction:)];
    
//设置轻扫方向
    swipe.direction = UISwipeGestureRecognizerDirectionRight;
    
    [self.view addGestureRecognizer:swipe];
}

- (void)swipeAction:(UISwipeGestureRecognizer *)swipe{

    NSLog(@"右轻扫");
}

#pragma mark --平移 pan
- (void)panGesture{

    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panAction:)];
    
    [self.view addGestureRecognizer:pan];
}

- (void)panAction:(UIPanGestureRecognizer *)pan{

//获取平移的坐标点
    CGPoint p = [pan translationInView:self.view];
    
    NSLog(@"%@",NSStringFromCGPoint(p));
}

#pragma mark --捏合 pinch
- (void)pinchGesture{

    UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchAction:)];
    
    [self.view addGestureRecognizer:pinch];
}

- (void)pinchAction:(UIPinchGestureRecognizer *)pinch{

    NSLog(@"%f",pinch.scale);
}

#pragma mark --旋转 rotation
- (void)rotationGesture{

    UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotationAction:)];
    
//设置代理
    rotation.delegate = self;
    
    [self.view addGestureRecognizer:rotation];
}

- (void)rotationAction:(UIRotationGestureRecognizer *)rotation{

    NSLog(@"%f",rotation.rotation);
}

#pragma mark --delegate
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer{

    NSLog(@"手势即将开始");
    
    return YES;
}

@end

屏幕快照 2016-03-16 下午7.57.15.png