iOS -- 基本的手势

#import "WZViewController.h"

@interface
WZViewController ()<UIGestureRecognizerDelegate>

@property (weak,
nonatomic) IBOutlet
UIView *gestureView;

@end

@implementation WZViewController

- (void)viewDidLoad

{

    [super
viewDidLoad];

    [self
text];

}

//-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

//{

//    [super touchesBegan:touches withEvent:event];

//}

-(void)text

{

    [self
swipe];//轻扫

    [self
longpress];//长按

    

    [self
rotate];//旋转

    [self
pinch];//捏合

    

    [self
pan];//拖拽

    

    [self
tap];//敲击

}

//轻扫

-(void)swipe

{

    UISwipeGestureRecognizer *swipeGesture = [[UISwipeGestureRecognizer
alloc]initWithTarget:self
action:@selector(swipeClick)];

    swipeGesture.delegate =
self;

    swipeGesture.direction =
UISwipeGestureRecognizerDirectionLeft;

    [self.gestureView
addGestureRecognizer:swipeGesture];

}

-(void)swipeClick

{

    NSLog(@"轻扫view");

}

//长按

-(void)longpress

{

    UILongPressGestureRecognizer *pressGesture = [[UILongPressGestureRecognizer
alloc]initWithTarget:self
action:@selector(pressClick:)];

    // 至少长按2秒

    pressGesture.minimumPressDuration =
2;

   
// 在触发手势之前,50px范围内长按有效

    pressGesture.allowableMovement =
50;

    pressGesture.delegate =
self;

    [self.gestureView
addGestureRecognizer:pressGesture];

}

-(void)pressClick:(UILongPressGestureRecognizer*)pressGesture

{

    NSLog(@"长按view");

}

//捏合手势

-(void)pinch

{

    UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer
alloc]initWithTarget:self
action:@selector(pinchClick:)];

    pinchGesture.delegate =
self;

    [self.gestureView
addGestureRecognizer:pinchGesture];

}

-(void)pinchClick:(UIPinchGestureRecognizer*)pinchGesture

{

    pinchGesture.view.transform =
CGAffineTransformScale(pinchGesture.view.transform, pinchGesture.scale, pinchGesture.scale);

    pinchGesture.scale =
1;

}

//旋转

-(void)rotate

{

    UIRotationGestureRecognizer *rotateGesture = [[UIRotationGestureRecognizer
alloc]initWithTarget:self
action:@selector(rotateClick:)];

    rotateGesture.delegate =
self;

    [self.gestureView 
addGestureRecognizer:rotateGesture];

}

-(void)rotateClick:(UIRotationGestureRecognizer *)rotateGesture

{

    rotateGesture.view.transform =
CGAffineTransformRotate(rotateGesture.view.transform,  rotateGesture.rotation);

    rotateGesture.rotation =
0;

}

//拖拽

-(void)pan

{

    UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer
alloc]initWithTarget:self
action:@selector(panClick:)];

    panGesture.delegate =
self;

    [self.gestureView
addGestureRecognizer:panGesture];

}

-(void)panClick:(UIPanGestureRecognizer*)panGesture

{

    //在view上移动的距离

    CGPoint point = [panGesture
translationInView:panGesture.view];

    panGesture.view.transform =
CGAffineTransformTranslate(panGesture.view.transform, point.x, point.y);

    

    

//    CGPoint center = panGesture.view.center;

//    center.x += point.x;

//    center.y += point.y;

//    panGesture.view.center = center;

    [panGesture setTranslation:CGPointZero
inView:panGesture.view];

}

//敲击

-(void)tap

{

    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer
alloc]initWithTarget:self
action:@selector(tapClick:)];

    tapGesture.delegate =
self;

    //    tapGesture.numberOfTapsRequired = 2;

    //    tapGesture.numberOfTouchesRequired = 2;

    [self.gestureView
addGestureRecognizer:tapGesture];

}

-(void)tapClick:(UITapGestureRecognizer *)tapGesture

{

    NSLog(@"我被敲击了");

}

#pragma mark - 代理方法

/**

 * 
当点击view的时候,会先调用这个方法

 */

//- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch

//{

//    CGPoint pos = [touch locationInView:touch.view];

//    if (pos.x <= touch.view.frame.size.width * 0.5) {

//        return YES;

//    }

//    return NO;

//}

-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer
*)otherGestureRecognizer

{

    return
YES;

}

@end