如何在多个 UIImageView 上使用平移手势

Question

我开发的应用程序有很多视图，但是当我想使用平移手势移动某些视图（backgndView）时，另一个视图被移动。看来我想要的视图未激活。这是代码。

//---pan gesture---
UIPanGestureRecognizer *panGesture =
[[UIPanGestureRecognizer alloc]
 initWithTarget:self
 action:@selector(handlePanGesture:)];

[backgndView addGestureRecognizer:panGesture];
[frameView addGestureRecognizer:panGesture];
[effectView addGestureRecognizer:panGesture];
[itemView addGestureRecognizer:panGesture];
[extraView addGestureRecognizer:panGesture];
[panGesture release]; 

我认为 extraView 对手势有效，但对其他视图无效。还有其他方法可以使选定的视图处于活动状态吗？

谢谢。

Answer 1

不太理解问题，但像打击这样的东西会使所有视图都针对平移手势活跃。

//---平移手势---

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

[backgndView addGestureRecognizer:panGesture];
[panGesture release]; 

panGesture =
[[UIPanGestureRecognizer alloc]
 initWithTarget:self
 action:@selector(handlePanGesture:)];
[frameView addGestureRecognizer:panGesture];
[panGesture release]; 

panGesture =
[[UIPanGestureRecognizer alloc]
 initWithTarget:self
 action:@selector(handlePanGesture:)];
[effectView addGestureRecognizer:panGesture];
[panGesture release]; 

panGesture =
[[UIPanGestureRecognizer alloc]
 initWithTarget:self
 action:@selector(handlePanGesture:)];
[itemView addGestureRecognizer:panGesture];
[panGesture release]; 

panGesture =
[[UIPanGestureRecognizer alloc]
 initWithTarget:self
 action:@selector(handlePanGesture:)];
[extraView addGestureRecognizer:panGesture];

[panGesture release];