//新建tap手势 UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapGesture:)]; //设置点击次数和点击手指数 tapGesture.numberOfTapsRequired = 1; //点击次数 tapGesture.numberOfTouchesRequired = 1; //点击手指数 [self.view addGestureRecognizer:tapGesture];
//轻击手势触发方法
-(void)tapGesture:(id)sender
{
//轻击后要做的事情
}
//添加长摁手势 UILongPressGestureRecognizer *longPressGesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPressGesture:)]; //设置长按时间 longPressGesture.minimumPressDuration = 0.5; //(2秒) [self.view addGestureRecognizer:longPressGesture];
//常摁手势触发方法
-(void)longPressGesture:(id)sender
{
UILongPressGestureRecognizer *longPress = sender;
if (longPress.state == UIGestureRecognizerStateBegan)
{
UIAlertView *alter = [[UIAlertView alloc] initWithTitle:@"提示" message:@"长按触发" delegate:nil cancelButtonTitle:@"取消" otherButtonTitles: nil];
[alter show];
}
}
//添加轻扫手势 UISwipeGestureRecognizer *swipeGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)]; //设置轻扫的方向 swipeGesture.direction = UISwipeGestureRecognizerDirectionRight; //默认向右 [self.view addGestureRecognizer:swipeGesture]; //添加轻扫手势 UISwipeGestureRecognizer *swipeGestureLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)]; //设置轻扫的方向 swipeGestureLeft.direction = UISwipeGestureRecognizerDirectionLeft; //默认向右 [self.view addGestureRecognizer:swipeGestureLeft];
//轻扫手势触发方法
-(void)swipeGesture:(id)sender
{
UISwipeGestureRecognizer *swipe = sender;
if (swipe.direction == UISwipeGestureRecognizerDirectionLeft)
{
//向左轻扫做的事情
}
if (swipe.direction == UISwipeGestureRecognizerDirectionRight)
{
//向右轻扫做的事情
}
}
//添加捏合手势 UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchGesture:)]; [self.view addGestureRecognizer:pinchGesture];
////捏合手势触发方法
-(void) pinchGesture:(id)sender
{
UIPinchGestureRecognizer *gesture = sender;
//手势改变时
if (gesture.state == UIGestureRecognizerStateChanged)
{
//捏合手势中scale属性记录的缩放比例
_imageView.transform = CGAffineTransformMakeScale(gesture.scale, gesture.scale);
}
//结束后恢复
if(gesture.state==UIGestureRecognizerStateEnded)
{
[UIView animateWithDuration:0.5 animations:^{
_imageView.transform = CGAffineTransformIdentity;//取消一切形变
}];
}
}
//添加拖动手势 UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panGesture:)]; [self.view addGestureRecognizer:panGesture];
//拖动手势
-(void) panGesture:(id)sender
{
UIPanGestureRecognizer *panGesture = sender;
CGPoint movePoint = [panGesture translationInView:self.view];
//做你想做的事儿
}
//添加旋转手势 UIRotationGestureRecognizer *rotationGesture = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotationGesture:)]; [self.view addGestureRecognizer:rotationGesture];
//旋转手势
-(void)rotationGesture:(id)sender
{
UIRotationGestureRecognizer *gesture = sender;
if (gesture.state==UIGestureRecognizerStateChanged)
{
_imageView.transform=CGAffineTransformMakeRotation(gesture.rotation);
}
if(gesture.state==UIGestureRecognizerStateEnded)
{
[UIView animateWithDuration:1 animations:^{
_imageView.transform=CGAffineTransformIdentity;//取消形变
}];
}
}
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