我编写了以下代码将手势识别器附加到多个图像视图。
[imageview1 setUserInteractionEnabled:YES];
[imageview1 setMultipleTouchEnabled:YES];
[imageview2 setUserInteractionEnabled:YES];
[imageview2 setMultipleTouchEnabled:YES];
[imageview3 setUserInteractionEnabled:YES];
[imageview3 setMultipleTouchEnabled:YES];
[imageview4 setUserInteractionEnabled:YES];
[imageview4 setMultipleTouchEnabled:YES];
[imageview5 setUserInteractionEnabled:YES];
[imageview5 setMultipleTouchEnabled:YES];
[imageview6 setUserInteractionEnabled:YES];
[imageview6 setMultipleTouchEnabled:YES];
UILongPressGestureRecognizer *gestureRecognizer = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(gestureHandler:)];
gestureRecognizer.delegate = self;
[imageview1 addGestureRecognizer:gestureRecognizer];
[imageview2 addGestureRecognizer:gestureRecognizer];
[imageview3 addGestureRecognizer:gestureRecognizer];
[imageview4 addGestureRecognizer:gestureRecognizer];
[imageview5 addGestureRecognizer:gestureRecognizer];
[imageview6 addGestureRecognizer:gestureRecognizer];
我注意到两个问题!
所有图像视图都没有附加手势识别器!只有一个图像视图 6(最后一个附加的)具有手势识别器。这是苹果不允许的吗?
我在父视图的子视图中拥有所有这些图像视图。当我将它们直接添加到父视图 (self.view) 时,它可以工作,但问题 #1 仍然存在。当我在子视图(self.view.mysubview)中拥有这些图像视图时,它们都无法识别手势!
有人可以告诉我如何处理这些问题吗?
Thanks.
UIGestureRecognizer
一次只能附加到一个视图。您必须为每个图像视图创建一个单独的图像视图。
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