UIgestureRecognizer在UIScrollView中的视图 [英] UIgestureRecognizer in a view inside a UIScrollView

问题描述

有人设法得到一个UIGestureRecognizer工作在UIView是UIScrollView的子视图？我的回调似乎从未被调用。

Has anyone managed to get a UIGestureRecognizer to work on a UIView that is a subview of a UIScrollView? My callbacks never seems to get called.

作为一个简单的例子，我想有一个分页scrollview，第三页用UITapGestureRecognizer监听一个水龙头。

As a simple example, I want to have a paging scrollview and on the third page listen for a tap with a UITapGestureRecognizer. However I can not get it to work.

以下是我的操作方式：

self.scrollView = [[[UIScrollView alloc] initWithFrame:self.view.frame] autorelease];
self.scrollView.pagingEnabled = YES;
self.scrollView.contentSize = CGSizeMake(self.section1ScrollView.frame.size.width * 3, self.scrollView.frame.size.height); //3 pages

UIImageView *p0 = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"page0.png"]] autorelease];
[self.scrollView insertSubview:p0 atIndex:self.scrollView.subviews.count];

UIImageView *p1 = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"page1.png"]] autorelease];
//code to move it to the next page
[self.scrollView insertSubview:p1 atIndex:self.scrollView.subviews.count];

UIImageView *p2 = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"page2.png"]] autorelease];
//code to move it to the next page
[self.scrollView insertSubview:p2 atIndex:self.scrollView.subviews.count];

UITapGestureRecognizer *p2TapRegocnizer = [[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(p2Tapped:)] autorelease];
//p2TapRegocnizer.delegate = self;
[p2 addGestureRecognizer:p2TapRegocnizer];

推荐答案

我会尝试将其更改为YES。

UIImageView has in default userInteractionEnabled set to NO. I would try to change it to YES.

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