blocks|key|4407000|text|尝试以下代码：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4407001|[self.tabBarController.tabBar+setHidden:YES];|code-block|syntax|javascript|4407002|需要定义tabbarcontroller的地方...|4407003|编辑|offset|length|style|BOLD|4407004|AppDelegateFileName+*appDelegate+=+(AppDelegateFileName+*)+[[UIApplication+sharedApplication]+delegate];
[appDelegate.tabbarController.tabBar+setHidden:YES];|4407005|在执行此操作之前，请确保在appDelegate+.h文件中创建了tabbarController的@property声明。|CODE|4407006|entityMap^0|0|0|0|0|2|0|0|X|G|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|W|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|X|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|Y|8|@$K|Z|L|10|M|N]]|9|@]|A|$]]|$1|O|3|P|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|Q|3|R|5|6|7|12|8|@$K|13|L|14|M|S]]|9|@]|A|$]]|$1|T|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|U|$]]

Try this code:

<pre><code>[self.tabBarController.tabBar setHidden:YES];
</code></pre>

where tabbarcontroller is needed to be defined...

EDIT

<pre><code>AppDelegateFileName *appDelegate = (AppDelegateFileName *) [[UIApplication sharedApplication] delegate];
[appDelegate.tabbarController.tabBar setHidden:YES];
</code></pre>

before doing this make sure that you create a @property declaration of <code>tabbarController</code> in appDelegate .h file.

blocks|key|2507907|text|如果使用故事板，只需取消选中ViewController的属性检查器中的复选框。它被称为“在推送时隐藏底部栏”。这确实非常方便，而且在从没有选项卡栏的viewController导航回来后，不需要再次处理tabBar的显示。我不知道这是在哪个XCode版本中引入的，但它是针对XCode+6%2B的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2507908|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If using Storyboards you can simply uncheck a checkbox in your ViewController's Attribute Inspector. It's called "Hide Bottom Bar on Push". Very convenient indeed, and no need to handle the showing of the tabBar again after navigating back from your tabBar-less viewController. I don't know in which XCode-version this was introduced, but it's there for XCode 6 + .

blocks|key|486787|text|使用点击手势识别器检测UIImageView上的双击。然后在检测到双击时调用一个方法。在该方法中添加以下代码行。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|486788|self.tabBarController.tabBar.hidden=YES;|code-block|syntax|javascript|486789|希望这能有所帮助。|486790|entityMap^0|B|B|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|R|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|S|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|N|$]]

Use Tap Gesture Recognizer to detect double taps on a <code>UIImageView</code>. Then invoke a method on detecting the double double tap. Add the following line of code in that method.

<pre><code>self.tabBarController.tabBar.hidden=YES;
</code></pre>

Hope this helps.

blocks|key|4122767|text|使用下面的代码以动画样式隐藏/显示选项卡栏控制器。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4122768|hiddenTabBar是一个BOOL变量。|offset|length|style|CODE|4122769|-+(void)+hidetabbar+{

++++[UIView+beginAnimations:nil+context:NULL];
++++[UIView+setAnimationDuration:0.0];

++++for(UIView+*view+in+objtabbar.view.subviews)
++++{

++++++++if([view+isKindOfClass:[UITabBar+class]])
++++++++{

++++++++++++if+(hiddenTabBar)+{
++++++++++++++++[view+setFrame:CGRectMake(view.frame.origin.x,+431,+view.frame.size.width,+view.frame.size.height)];
++++++++++++}+else+{
++++++++++++++++[view+setFrame:CGRectMake(view.frame.origin.x,+480,+view.frame.size.width,+view.frame.size.height)];
++++++++++++}
++++++++}+else+{
++++++++++++if+(hiddenTabBar)+{
++++++++++++++++[view+setFrame:CGRectMake(view.frame.origin.x,+view.frame.origin.y,+view.frame.size.width,+431)];
++++++++++++}+else+{
++++++++++++++++[view+setFrame:CGRectMake(view.frame.origin.x,+view.frame.origin.y,+view.frame.size.width,+480)];
++++++++++++}

++++++++}
++++}

++++[UIView+commitAnimations];

++++hiddenTabBar+=+!hiddenTabBar;
}|code-block|syntax|javascript|4122770|entityMap^0|0|0|C|F|4|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@$D|Q|E|R|F|G]|$D|S|E|T|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|U|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|N|$]]

Use the code below to hide/show tab bar controller in animated style. 
<code>hiddenTabBar</code> is a <code>BOOL</code> variable.

<pre><code>- (void) hidetabbar {

 [UIView beginAnimations:nil context:NULL];
 [UIView setAnimationDuration:0.0];

 for(UIView *view in objtabbar.view.subviews)
 {

 if([view isKindOfClass:[UITabBar class]])
 {

 if (hiddenTabBar) {
 [view setFrame:CGRectMake(view.frame.origin.x, 431, view.frame.size.width, view.frame.size.height)];
 } else {
 [view setFrame:CGRectMake(view.frame.origin.x, 480, view.frame.size.width, view.frame.size.height)];
 }
 } else {
 if (hiddenTabBar) {
 [view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, 431)];
 } else {
 [view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, 480)];
 }

 }
 }

 [UIView commitAnimations];

 hiddenTabBar = !hiddenTabBar;
}
</code></pre>

blocks|key|2507878|text|UIViewController有一个属性|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2507879|@property(nonatomic,+readonly,+retain)+UITabBarController+*tabBarController|code-block|syntax|javascript|2507880|您可以设置：|2507881|self.tabBarController.tabBar.hidden+=+YES;|2507882|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

UIViewController has a property

<pre><code>@property(nonatomic, readonly, retain) UITabBarController *tabBarController
</code></pre>

which you can set:

<pre><code>self.tabBarController.tabBar.hidden = YES;
</code></pre>

blocks|key|2507936|text|Swift+2.1：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2507937|self.tabBarController!.tabBar.hidden+=+true|code-block|syntax|javascript|2507938|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Swift 2.1:

<pre><code>self.tabBarController!.tabBar.hidden = true
</code></pre>

blocks|key|484415|text|当您将视图推送到新视图时，请尝试以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|484416|self.tabbarconroller.tabbar.hidden+=+YES;|code-block|syntax|javascript|484417|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Try this when you push the view to the new view:

<pre><code>self.tabbarconroller.tabbar.hidden = YES;
</code></pre>

blocks|key|2507953|text|Objective-C|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2507954|[self.tabBarController.tabBar+setHidden:YES];|code-block|syntax|javascript|2507955|Swift+3|2507956|self.tabBarController?.tabBar.isHidden+=+true|2507957|斯威夫特2|2507958|self.tabBarController?.tabBar.hidden+=+true|2507959|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

Objective-C

<pre><code>[self.tabBarController.tabBar setHidden:YES];
</code></pre>

Swift 3 

<pre><code>self.tabBarController?.tabBar.isHidden = true
</code></pre>

Swift 2

<pre><code>self.tabBarController?.tabBar.hidden = true
</code></pre>

blocks|key|484482|text|Objective-C|type|unstyled|depth|inlineStyleRanges|entityRanges|data|484483|484484|+self.tabBarController.tabBar+setHidden:是；|blockquote|484485|484486|484487|Objective-C+2.0|484488|484489|+self.tabBarController.tabBar.hidden+=是；|484490|484491|484492|iOS+9之前的Swift|484493|484494|+tabBarController?.tabBar.hidden+=+true|484495|484496|484497|Swift+iOS+9及更高版本|484498|484499|+tabBarController?.tabBar.isHidden+=+true|484500|484501|484502|Swift+5和更高版本的额外技巧:如果您想要更改隐藏属性，请切换它|484503|if+let+t+=+tabBarController?.tabBar+{
++++t.isHidden+=+t.!isHidden
}
//+is+equal+to+
tabBarController?.tabBar.isHidden.toggle()|code-block|syntax|javascript|484504|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1D|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]|$1|G|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|1G|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|1H|8|@]|9|@]|A|$]]|$1|K|3|L|5|E|7|1I|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1K|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1L|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]|$1|R|3|S|5|E|7|1N|8|@]|9|@]|A|$]]|$1|T|3|-4|5|6|7|1O|8|@]|9|@]|A|$]]|$1|U|3|-4|5|6|7|1P|8|@]|9|@]|A|$]]|$1|V|3|W|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|X|3|-4|5|6|7|1R|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|E|7|1S|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1T|8|@]|9|@]|A|$]]|$1|11|3|-4|5|6|7|1U|8|@]|9|@]|A|$]]|$1|12|3|13|5|6|7|1V|8|@]|9|@]|A|$]]|$1|14|3|15|5|16|7|1W|8|@]|9|@]|A|$17|18]]|$1|19|3|-4|5|6|7|1X|8|@]|9|@]|A|$]]]|1A|$]]

Objective-C

<blockquote>
 [self.tabBarController.tabBar setHidden:YES];
</blockquote>

Objective-C 2.0

<blockquote>
 self.tabBarController.tabBar.hidden = YES;
</blockquote>

Swift
before iOS 9

<blockquote>
 tabBarController?.tabBar.hidden = true
</blockquote>

Swift iOS 9 and above

<blockquote>
 tabBarController?.tabBar.isHidden = true
</blockquote>

Extra trick with Swift 5 and above: if you would like to change the hidden property then toggle it

<pre><code>if let t = tabBarController?.tabBar {
 t.isHidden = t.!isHidden
}
// is equal to 
tabBarController?.tabBar.isHidden.toggle()
</code></pre>

blocks|key|4123017|text|针对多根视图控制器的Swift解决方案|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|4123018|如果您或其他人需要将选项卡栏隐藏在自定义控制器中，对于使用多个rootViewController的应用程序，可以尝试这样做：|CODE|4123019|//instantiate+appDelegate+in+your+controller+first
let+appDelegate+=+UIApplication.shared.delegate+as!+AppDelegate

//then+just+hide+the+tab+bar+as+following
appDelegate.window?.rootViewController?.tabBarController?.tabBar.isHidden+=+true|code-block|syntax|javascript|4123020|entityMap^0|A|9|0|0|1R|V|I|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|H]]|D|@]|E|$]]|$1|I|3|J|5|K|7|X|8|@]|D|@]|E|$L|M]]|$1|N|3|-4|5|6|7|Y|8|@]|D|@]|E|$]]]|O|$]]

Swift Solution for multiple root view controllers
If you or someone would need to hide the tab bar inside a custom controller, for an app that uses multiple <code>rootViewController</code> try something like this:
<pre><code>//instantiate appDelegate in your controller first
let appDelegate = UIApplication.shared.delegate as! AppDelegate

//then just hide the tab bar as following
appDelegate.window?.rootViewController?.tabBarController?.tabBar.isHidden = true
</code></pre>

How to Hide Tab Bar Controller ?
I want to hide the Tab Bar controller with double tap on UIImageView.

How to Hide Tab Bar Controller?

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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如何隐藏选项卡栏控件？我想在UIImageView上双击隐藏Tab Bar控制器。

问如何隐藏选项卡栏控件？
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