我有一个UIImageView
,我想能够调整大小和旋转等.
UIGestureRecognizer
能加到UIImageView
吗?
我想要添加一个旋转和收缩识别器到UIImageView
,这将是在运行时创建的.
如何添加这些识别器?
我有一个UIImageView
,我想能够调整大小和旋转等.
UIGestureRecognizer
能加到UIImageView
吗?
我想要添加一个旋转和收缩识别器到UIImageView
,这将是在运行时创建的.
如何添加这些识别器?
判断UIImageView
上的userInteractionEnabled
是否为YES
.然后您可以添加手势识别器.
imageView.userInteractionEnabled = YES;
UIPinchGestureRecognizer *pgr = [[UIPinchGestureRecognizer alloc]
initWithTarget:self action:@selector(handlePinch:)];
pgr.delegate = self;
[imageView addGestureRecognizer:pgr];
[pgr release];
:
:
- (void)handlePinch:(UIPinchGestureRecognizer *)pinchGestureRecognizer
{
//handle pinch...
}