点击
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)];
tap.numberOfTapsRequired = 1;
[imageView addGestureRecognizer:tap];
[tap release];
拖拽
UIPanGestureRecognizer *Pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(pan:)];
[imageView addGestureRecognizer:Pan];
[Pan release];
捏合
UIPinchGestureRecognizer * pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinch:)];
[(UIImageView *) imageView addGestureRecognizer:pinch];
[pinch release];
旋转
UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotation:)];
[imageView addGestureRecognizer:rotation];
扫
UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipe:)];
[imageView addGestureRecognizer:swipe];
[swipe release];
