blocks|key|2494040|text|我创建了一个提供所需功能的UIView类别：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2494041|https://github.com/danielamitay/DAKeyboardControl|offset|length|2494042|编辑:它确实已经在应用商店上使用过了。|2494043|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|1D|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@$D|Q|E|R|1|S]]|A|$]]|$1|F|3|G|5|6|7|T|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|C]]]]

I created a UIView category that provides the desired functionality:

<a href="https://github.com/danielamitay/DAKeyboardControl">https://github.com/danielamitay/DAKeyboardControl</a>

Edit:
It has indeed been used on the app store.

blocks|key|4605975|text|最简单的解决方案是设置以下两个属性：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4605976|4605977|UIViewController+:+UIResponder+inputAccessoryView|unordered-list-item|offset|length|style|CODE|4605978|UITableView+:+UIScrollView+keyboardDismissMode|4605979|4605980|哇，宝贝儿！|4605981|有关示例，请查看Acani+Chats+iPhone+Client+ChatViewController.swift。|4605982|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/23880574/242933|1|https://stackoverflow.com/a/20039441/242933|2|https://github.com/acani/Chats|3|https://github.com/acani/Chats-iPhone-Client|4|https://github.com/acani/Chats-iPhone-Client/blob/master/Chats/ChatViewController.swift^0|0|0|0|U|V|I|0|1D|0|0|0|Q|R|J|0|1A|1|0|0|0|Y|O|8|B|2|K|D|3|Y|O|4|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|17|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|18|8|@$F|19|G|1A|H|I]|$F|1B|G|1C|H|I]]|9|@$F|1D|G|1E|1|1F]]|A|$]]|$1|J|3|K|5|E|7|1G|8|@$F|1H|G|1I|H|I]|$F|1J|G|1K|H|I]]|9|@$F|1L|G|1M|1|1N]]|A|$]]|$1|L|3|-4|5|6|7|1O|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|1P|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1Q|8|@$F|1R|G|1S|H|I]]|9|@$F|1T|G|1U|1|1V]|$F|1W|G|1X|1|1Y]|$F|1Z|G|20|1|21]]|A|$]]|$1|Q|3|-4|5|6|7|22|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X]]|Y|$5|T|U|V|A|$W|Z]]|10|$5|T|U|V|A|$W|11]]|12|$5|T|U|V|A|$W|13]]|14|$5|T|U|V|A|$W|15]]]]

The simplest solution is to set the following two properties:

<ul>
<li><a href="https://stackoverflow.com/a/23880574/242933"><code>UIViewController : UIResponder</code> <code>inputAccessoryView</code></a></li>
<li><a href="https://stackoverflow.com/a/20039441/242933"><code>UITableView : UIScrollView</code> <code>keyboardDismissMode</code></a></li>
</ul>

Boom, baby!

Check out <a href="https://github.com/acani/Chats" rel="noreferrer">Acani Chats</a> <a href="https://github.com/acani/Chats-iPhone-Client" rel="noreferrer">iPhone Client</a> <a href="https://github.com/acani/Chats-iPhone-Client/blob/master/Chats/ChatViewController.swift" rel="noreferrer"><code>ChatViewController.swift</code></a> for an example.

blocks|key|2494120|text|幸运的是，苹果在UIScrollView上添加了方便的属性keyboardDismissMode，让你的生活变得更轻松。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2494121|现在，只需更改故事板上的一个属性，或者添加一行代码，您的应用程序就可以像Messages.app一样运行！|2494122|此属性使用新的UIScrollViewKeyboardDismissMode枚举。此枚举的可能值如下：|2494123|UIScrollViewKeyboardDismissModeNone++++++++//+the+keyboard+is+not+dismissed++++automatically+when+scrolling
UIScrollViewKeyboardDismissModeOnDrag++++++//+dismisses+the+keyboard+when+a+drag+begins
UIScrollViewKeyboardDismissModeInteractive+//+the+keyboard+follows+the+dragging+touch+off+screen,+and+may+be+pulled+upward+again+to+cancel+the+dismiss|code-block|syntax|javascript|2494124|下面是要更改的Storyboard属性，以便在滚动时关闭键盘：|2494125|​|2494126|📷|atomic|2494127|2494128|希望这能帮助你解决问题|2494129|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/71ccd04d6f4b00db43d82b9a36ed6165.png|imageAlt^0|8|C|T|J|0|0|7|V|0|0|0|0|0|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|17|8|@$9|18|A|19|B|C]|$9|1A|A|1B|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1C|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|J|3|K|5|L|7|1G|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|1H|8|@]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1I|8|@]|D|@]|E|$]]|$1|S|3|T|5|U|7|1J|8|@]|D|@$9|1K|A|1L|1|1M]]|E|$]]|$1|V|3|R|5|6|7|1N|8|@]|D|@]|E|$]]|$1|W|3|X|5|6|7|1O|8|@]|D|@]|E|$]]|$1|Y|3|-4|5|6|7|1P|8|@]|D|@]|E|$]]]|Z|$10|$5|11|12|13|E|$14|15|16|-4]]]]

Luckily, Apple added the handy property <code>keyboardDismissMode</code> on <code>UIScrollView</code> to make your life a little easier.

Now your app can behave like Messages.app just by changing a single property on your Storyboard, or alternatively by adding one line of code!

This property uses the new <code>UIScrollViewKeyboardDismissMode</code> enum. The possible values of this enum are as follows:

<pre><code>UIScrollViewKeyboardDismissModeNone // the keyboard is not dismissed automatically when scrolling
UIScrollViewKeyboardDismissModeOnDrag // dismisses the keyboard when a drag begins
UIScrollViewKeyboardDismissModeInteractive // the keyboard follows the dragging touch off screen, and may be pulled upward again to cancel the dismiss
</code></pre>

Here’s the Storyboard property to change to dismiss the keyboard on scroll:

<a href="https://i.stack.imgur.com/T21rb.png" rel="noreferrer"><img src="https://i.stack.imgur.com/T21rb.png" alt="enter image description here"></a>

Hope that helps solving your problem

blocks|key|1868988|text|在iOS+7中，你现在可以在UIScrollView上以交互方式关闭键盘。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1868989|Dismissing+the+keyboard+in+a+UIScrollView|offset|length|1868990|希望这能帮助到一些人。|1868991|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/5143873/dismissing-the-keyboard-in-a-uiscrollview^0|0|0|15|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@$D|R|E|S|1|T]]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

In iOS 7, you can now dismiss the keyboard interactively on a UIScrollView. 

<a href="https://stackoverflow.com/questions/5143873/dismissing-the-keyboard-in-a-uiscrollview">Dismissing the keyboard in a UIScrollView</a>

Hope that helps someone.

blocks|key|1868921|text|您可以使用UISwipeGestureRecognizer来完成此操作。我不知道如何使用代码实现它，但如果你使用的是新的xcode+4.2测试版，那么这里有一个简单的方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1868922|1868923|创建IBAction:|ordered-list-item|1868924|1868925|-+(IBAction)dismiss:(id)sender;|offset|length|style|CODE|1868926|转到您的xib中的视图，将您的视图的类设置为UIControl.|1868927|Drag，然后将库中的UISwipeGestureRecognizer连接到您的视图。|unordered-list-item|1868928|
|1868929|使用UISwipeGestureRecognizer.|1868930|1868931|Write+UISwipeGestureRecognizer代码连接|1868932|
+IBAction+(TouchDown)以关闭yourTextField+{yourTextField+resignFirstResponder；}|1868933|完成了！|1868934|entityMap^0|0|0|0|0|0|V|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|15|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|16|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|17|8|@]|9|@]|A|$]]|$1|G|3|H|5|6|7|18|8|@$I|19|J|1A|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|1B|8|@]|9|@]|A|$]]|$1|O|3|P|5|Q|7|1C|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1D|8|@]|9|@]|A|$]]|$1|T|3|U|5|Q|7|1E|8|@]|9|@]|A|$]]|$1|V|3|S|5|6|7|1F|8|@]|9|@]|A|$]]|$1|W|3|X|5|Q|7|1G|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|1H|8|@]|9|@]|A|$]]|$1|10|3|11|5|6|7|1I|8|@]|9|@]|A|$]]|$1|12|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]]|13|$]]

You can use UISwipeGestureRecognizer to do so. I don't know how to implement it using code, but if you are using the new xcode 4.2 beta then heres an easy method:

<ol>
<li>Create an IBAction:</li>
</ol>

<code>- (IBAction)dismiss:(id)sender;</code>

<ol>
<li>Go to your view in your xib and set the class for you view to UIControl.</li>
<li>Drag and connect the UISwipeGestureRecognizer from the Library to your view.</li>
<li>Connect the IBAction (TouchDown) with the UISwipeGestureRecognizer.</li>
<li>Write the code to dismiss the keyboard:

<pre><code>- (IBAction)dismiss:(id)sender 

{

 [yourTextField resignFirstResponder];

}
</code></pre></li>
</ol>

Done!

blocks|key|6022582|text|在swift中，您可以使用以下代码来获取当前键盘的视图容器(如果存在，则为)，然后您可以在代码中更改is的框架：|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|6022583|UIApplication.shared.windows
++++.filter{+NSStringFromClass($0.classForCoder)+==+"UIRemoteKeyboardWindow"+}
++++.first?.subviews.filter+{+NSStringFromClass($0.classForCoder)+==+"UIInputSetContainerView"+}
++++.first?.subviews.filter+{+NSStringFromClass($0.classForCoder)+==+"UIInputSetHostView"+}
++++.first|code-block|syntax|javascript|6022584|顺便说一下，这里有一个名为Reveal的工具，你可以看到视图的层次结构。|6022585|entityMap|0|LINK|mutability|MUTABLE|url|https://revealapp.com/^0|1|5|11|J|0|0|0|10|D|6|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@$9|13|A|14|1|15]]|E|$]]|$1|M|3|-4|5|6|7|16|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

In swift you can use below code to get the view container of current keyboard (if exist), than you can change is's frame in your code:

<pre><code>UIApplication.shared.windows
 .filter{ NSStringFromClass($0.classForCoder) == "UIRemoteKeyboardWindow" }
 .first?.subviews.filter { NSStringFromClass($0.classForCoder) == "UIInputSetContainerView" }
 .first?.subviews.filter { NSStringFromClass($0.classForCoder) == "UIInputSetHostView" }
 .first
</code></pre>

By the way here are a tool called <a href="https://revealapp.com" rel="nofollow noreferrer">Reveal</a> make you can see the view hierarchical.

blocks|key|1863701|text|我认为最好的方法是在文本输入容器上放置一个隐藏的按钮。一个长条，当它检测到触地并松开或取消，然后隐藏键盘。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1863702|我要试一下，我会让你知道我是怎么做的。|1863703|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

I think the best way is to place a hidden button above the text input container. a long strip and when it detects a touchdown and release or cancel then hide the keyboard.

I'm going to try it and i will let you know how i go.

blocks|key|1863723|text|简而言之，他们最有可能在那里做一些“私有API”的事情。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1863724|我最确定的是键盘是在一个独立的视图中，在你的应用程序窗口上方(你没有访问/控制它的权限，它总是显示在顶部，不管是什么)。您最多可以做的是让输入视图变为/放弃first+responder状态，键盘将相应地出现/消失:全有或全无。|1863725|您也许能够获得键盘视图的句柄并更改其frame属性(使用未记录的类和未记录的类的属性)，但我非常确定这将使您被踢出商店。|1863726|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Short answer; They're most likely doing some 'Private API' thing there.

I'm most sure that the keyboard is in an independent view, above your app's window (You do not have access/control to it and it always displays on top, no matter what). The most you can do is have the input view become/resign first responder status, and the keyboard will appear/disappear accordingly: All or nothing.

You may be able to get a handle of the keyboard view and change its frame property (using undocumented properties of documented classes, and undocumented classes), but I'm pretty sure that will get you kicked out of the store.

When the keyboard is showing on the iPhone's Messages app, if the user begins a swipe down from the messages tableview and continues into the keyboard area, the keyboard will begin to dismiss. If they move their finger up and down during this process, the keyboard moves with it.

Are Apple doing this with private APIs, or is there a way to control the keyboard like this from (I presume) a gesture recognizer?

Dismiss keyboard with swipe gesture (as in Message app)

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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当iPhone的Messages应用程序上显示键盘时，如果用户开始从messages表格视图向下滑动，并继续进入键盘区域，键盘将开始关闭。如果他们在这个过程中上下移动手指，键盘也会随之移动。苹果是通过私有API做到这一点的吗，还是有一种方法可以(我假设)通过手势识别器来控制键盘？

问使用滑动手势关闭键盘(就像在消息应用程序中一样)
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