iOS 六大手势

//六大手势的设置

UIImageView *imV=(UIImageView*)[self.rv viewWithTag:101];

//轻点

UITapGestureRecognizer *tap=[[UITapGestureRecognizer alloc]initWithTarget:(self) action:@selector(tp:)];

tap.numberOfTapsRequired=1;//点击几次反应

tap.numberOfTouchesRequired=1;//几个手指点击

[imV addGestureRecognizer:tap];

//长按

UILongPressGestureRecognizer *lp=[[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(lop:)];

lp.minimumPressDuration=2;//长按时间标准

[imV addGestureRecognizer:lp];

//轻扫(一次只能进行左右或者上下,不能四个方同时设置,可以做|(或)运算 )

UISwipeGestureRecognizer *sw=[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swip:)];

sw.numberOfTouchesRequired=1;//几个手指轻扫

sw.direction=UISwipeGestureRecognizerDirectionDown;//向下轻扫

sw.direction=UISwipeGestureRecognizerDirectionLeft;//向左轻扫

sw.direction=UISwipeGestureRecognizerDirectionRight;//向右轻扫

sw.direction=UISwipeGestureRecognizerDirectionUp;//向下轻扫

[imV addGestureRecognizer:sw];

//拖动

UIPanGestureRecognizer *pan=[[UIPanGestureRecognizer alloc]

initWithTarget:self action:@selector(pa:)];

pan.minimumNumberOfTouches=1;//最小允许触控点

pan.maximumNumberOfTouches=10;//最大允许触控点

[imV addGestureRecognizer:pan];

//捏合

UIPinchGestureRecognizer *pin=[[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinc:)];

[imV addGestureRecognizer:pin];

//旋转

UIRotationGestureRecognizer *rot=[[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rota:)];

rot.rotation=2;//旋转的弧度

[imV addGestureRecognizer:rot];

//六大手势的响应事件

-(void)tp:(UITapGestureRecognizer*)sender1

{

NSLog(@"轻点");

}

-(void)lop:(UILongPressGestureRecognizer*)sender2

{if(sender2.state==UIGestureRecognizerStateBegan){

NSLog(@"长按");

}

}

-(void)swip:(UISwipeGestureRecognizer*)sender3

{

NSLog(@"轻扫");

}

-(void)pa:(UIPanGestureRecognizer*)sender4

{

NSLog(@"拖动");

}

-(void)pinc:(UIPinchGestureRecognizer*)sender5

{

sender5.view.transform=CGAffineTransformMakeScale(sender5.scale, sender5.scale);

}

-(void)rota:(UIRotationGestureRecognizer*)sender6

{

sender6.view.transform=CGAffineTransformMakeRotation(sender6.rotation);

}