blocks|key|1997588|text|你是否做了一个干净的构建，从模拟器和设备中删除应用程序，然后重新安装？这是影响它的唯一关键。此外，请确保您正在使用设置为iOS+4.0的基础SDK进行构建。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1997589|Boolean+UIApplicationExitsOnSuspend+(Boolean+-+iOS)指定应用程序在退出时应该终止，而不是移到后台。链接到iPhone+SDK4.0或更高版本的应用程序可以包括此密钥，并将其值设置为YES，以防止自动选择加入后台执行和应用程序挂起。当此键的值为YES时，应用程序将终止并从内存中清除，而不是移到后台。如果此键不存在或设置为NO，应用程序将照常移动到后台。|offset|length|style|BOLD|1997590|entityMap^0|0|8|R|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

Did you do a clean build, delete the app from both the simulator and the device, and re-install? That's the only key that affects it. Also, make sure you are building with base SDK set to iOS 4.0.

<blockquote>
 UIApplicationExitsOnSuspend (Boolean - iOS) specifies that the application should be terminated rather than moved to the background when it is quit. Applications linked against iPhone SDK 4.0 or later can include this key and set its value to YES to prevent being automatically opted-in to background execution and application suspension. When the value of this key is YES, the application is terminated and purged from memory instead of moved to the background. If this key is not present, or is set to NO, the application moves to the background as usual.
</blockquote>

blocks|key|86024|text|我也遇到了同样的问题，当您添加密钥UIApplicationExitsOnSuspend时，请确保右键单击它并选择value+type+>+Boolean。否则Xcode将忽略它。希望能有所帮助|type|unstyled|depth|inlineStyleRanges|entityRanges|data|86025|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|$]]

I had the same problem, when you add the key UIApplicationExitsOnSuspend, make sure you right click on it and select value type > Boolean. Otherwise Xcode will ignore it. Hope it helps

blocks|key|2751102|text|将UIApplicationExitsOnSuspend设置为YES，从第一次开始对我来说效果很好，但我没有意识到，因为双击时我的应用程序会显示出来。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2751103|双击主页按钮将始终显示您的应用，因为它是最近使用的应用的列表。(参考：http://www.apple.com/iphone/features/multitasking.html+)|offset|length|2751104|如果调用了applicationWillTerminate委托方法，那么您就完成了..(添加断点或NSLog进行检查)|2751105|这只是个提示。希望这对像我这样的人有帮助..；)|2751106|entityMap|0|LINK|mutability|MUTABLE|url|http://www.apple.com/iphone/features/multitasking.html^0|0|Z|1I|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@$D|T|E|U|1|V]]|A|$]]|$1|F|3|G|5|6|7|W|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]]]

Setting YES to UIApplicationExitsOnSuspend , worked well for me from the first time,But i didn realize,as my app was shown when double-clicking.

"double-clicking on the home button will always show your app , as it is a list of recently used apps.
( Ref: <a href="http://www.apple.com/iphone/features/multitasking.html" rel="nofollow">http://www.apple.com/iphone/features/multitasking.html</a> ) "

If applicationWillTerminate delegate method is called, then you are done with that.. 
(Add a break point or NSLog to check )

Just a tip.
Hope this helps some one like me..;)

blocks|key|84472|text|我遇到了Cyril发现的相同问题:我粘贴了"YES“作为值，但这使得键默认为String而不是"Boolean”。因此，右键单击键并确保其类型为Boolean。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|84473|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|$]]

I had the same problem that Cyril identifies: I pasted "YES" in as the value, but that made the key default to String instead of "Boolean". So right-click the key and make sure its type is Boolean.

blocks|key|86070|text|在Xcode4+/+iOS+4.3中，这似乎已经改变(变得更好)。布尔值现在是“应用程序不在后台运行”，而且-好吧-它对我来说是有效的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|86071|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|$]]

This appears to have changed (for the better) in Xcode4 / iOS 4.3. The boolean is now "Application does not run in background", and - well - it works for me.

blocks|key|2751143|text|需要注意的是，AppDelegate的"applicationDidEnterBackground“和"applicationWilLTerminate”方法都被调用(按顺序)，即使您的UIApplicationExitsOnSuspend被标记为(布尔值)+"YES“。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2751144|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|$]]

It's important to note that your AppDelegate's "applicationDidEnterBackground" and "applicationWilLTerminate" methods are both called (in that order), even if your UIApplicationExitsOnSuspend is marked as (boolean) "YES".

So I know this has been beaten to death but I still can't figure out a solution.

I have my UIApplicationExitsOnSuspend set to <code>&lt;true/&gt;</code> in the Info.plist and still both in the simulator as well as on an iPhone 4 device, the app goes into standby instead of terminating?

Any ideas of what else could one do to get it to terminate? Perhaps are there methods that I need to remove from the app delegate? Any ideas?

UIApplicationExitsOnSuspend anything else I'm missing?

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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所以我知道这已经被打死了，但我仍然想不出一个解决方案。我在Info.plist中将UIApplicationExitsOnSuspend设置为<true/>，但仍然在模拟器和iPhone 4设备上，应用程序进入待机状态而不是终止？有没有什么想法可以让它终止呢？也许我需要从应用程序委托中删除一些方法？有什么想法吗？

问UIApplicationExitsOnSuspend我还遗漏了什么吗？
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问UIApplicationExitsOnSuspend我还遗漏了什么吗？EN