blocks|key|3458827|text|我的解决方案是删除Xcode之前生成的所有内容：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3458828|在产品上删除应用程序是不可能的，因为您无法到达主屏幕，您可以直接在管理器中的项目下删除派生数据下的应用程序，或者直接在构建文件夹中删除应用程序，方法是在MenuBar中选择“|3458829|”，然后在按住Alt键的同时单击"Clean+Build+Folder"|unordered-list-item|3458830|
|3458831|Restart+Xcode|3458832|
“中的Alt键|3458833|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$]]|$1|G|3|H|5|6|7|R|8|@]|9|@]|A|$]]|$1|I|3|J|5|F|7|S|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|T|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|N|$]]

The solution for me was to delete everything Xcode has generated earlier:

<ul>
<li>the App on the Simulator...if this is not possible because you cant
reach the Homescreen, you can delete the App directly under
<code>~/Library/Application Support/iPhoneSimulator/6.0/Applications</code></li>
<li>delete the Derived Data in the Organizer under Projects or directly
in <code>~/Library/Developer/Xcode/DerivedData</code></li>
<li>clean the Build Folder by choosing "Product" in the MenuBar and click
while you press the Alt-key on "Clean Build Folder"</li>
<li>Restart Xcode</li>
</ul>

blocks|key|411680|text|你有没有试过完全关闭模拟器，或者失败了，重置模拟器，它的所有内容通常都能起到作用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|411681|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|$]]

Have you tried closing down the simulator entirely, or failing that, reset the simulator and all its contents usually does the trick.

blocks|key|409164|text|最终让模拟器再次为我工作的是删除用户目录中Library/Application+Support/iPhone+Simulator/下的所有内容。我认为最初导致问题的原因是试图使用一个名为“Resources”的目录，如下所示：https://stackoverflow.com/a/1265168/649|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|409165|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/1265168/649^0|L|19|36|13|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@$9|Q|A|R|1|S]]|E|$]]|$1|F|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

What finally got the simulator working again for me was deleting everything under <code>Library/Application Support/iPhone Simulator/</code> within the user directory. What I think caused the problem for me in the first place was trying to use a directory named 'Resources' as described here: <a href="https://stackoverflow.com/a/1265168/649">https://stackoverflow.com/a/1265168/649</a>

blocks|key|409113|text|当我使用相同的包标识符打开两个xcode项目时，就会发生这种情况。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|409114|解决方案：只打开一个具有相同包id的项目。|offset|length|style|BOLD|409115|entityMap^0|0|0|5|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|$]]

This happened to me when I had two xcode projects open with the same bundle identifier. 

Solution: leave only one project open which has the same bundle id.

blocks|key|411830|text|林德曼的解决方案对我很有效。尽管如此，在进一步的开发过程中，我遇到了另一种产生此问题的情况:如果您创建了一个名为"Resources“的文件夹引用(Xcode的文件资源管理器中的蓝色文件夹，而不是黄色的，它只是组)，同样的问题也会出现。这种情况下的解决方案是简单地重命名该文件夹。在此之后，遵循林德曼的解决方案。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|411831|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|$]]

Lindemann's solution worked for me. Nonetheless, during further development I came across another situation that generates this problem: if you create a folder reference (blue folder on Xcode's file explorer, as opposed to the yellow ones which are just groups) called "Resources" the same issue will arise. The solution in this case is to simply rename that folder.
After this, follow Lindemann's solution.

blocks|key|3245623|text|当我在OS+X+Mountain+Lion上安装XCode+4.5时，我遇到了类似的问题。我搜索了一段时间，并尝试了一些修复，但最终解决问题的是将"127.0.0.1+localhost“添加到我的主机文件(/etc/+hosts+)中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3245624|以下是我所做的工作：|3245625|Open+a+terminal+shell+with+cmd%2Bspace+>+terminal
type+in+"cd+/etc"
type+in+"sudo+nano+hosts"
type+in+your+root+password
add+"127.0.0.1+localhost"
save+with+ctrl%2Bo+>+return
close+with+ctrl%2Bx
log+out+and+log+in+again+or+restart|code-block|syntax|javascript|3245626|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I had similar issues when i installed XCode 4.5 on OS X Mountain Lion. I searched a while and tried some fixes but what finally solved the problem was adding "127.0.0.1 localhost" to my hosts file (/etc/hosts).

Here is what i have done:

<pre><code>Open a terminal shell with cmd+space &gt; terminal
type in "cd /etc"
type in "sudo nano hosts"
type in your root password
add "127.0.0.1 localhost"
save with ctrl+o &gt; return
close with ctrl+x
log out and log in again or restart
</code></pre>

blocks|key|409102|text|Ctrl-Shift-+option+-K+(等同于按住option并选择Product...Clean+Build文件夹)对我来说一直都很有效。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|409103|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|$]]

Ctrl-Shift-Option-K (same as holding down option and selecting Product ... Clean Build Folder) has always worked for me.

blocks|key|3245615|text|我的工作似乎是构建并运行我的代码，使其打开模拟器，然后按住Dock中的模拟器图标并选择Options+->+Keep+in+Dock|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3245616|在此之后，我只是关闭模拟器，并从码头启动它，并从模拟器的主屏幕上删除应用程序。|3245617|从XCode构建并运行应用程序，一切似乎又正常了。|3245618|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|$]]

What seemed to work for me was build &amp; run my code so that it opened the Simulator, then hold down on the Simulator Icon in the Dock and select Options -> Keep In Dock

After this I just closed the simulator and launched it from the dock and deleted the app from the home screen on the simulator.

Build &amp; Run the app from XCode and everything seemed to be OK again.

blocks|key|409222|text|似乎有相当多的事情可以导致这个错误，但对我来说，它被证明是我的plist中缺少了关键的CFBundleIdentifier。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|CODE|entityRanges|data|409223|重新添加，模拟器正常启动。|409224|entityMap^0|V|5|17|I|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@$9|L|A|M|B|C]|$9|N|A|O|B|D]]|E|@]|F|$]]|$1|G|3|H|5|6|7|P|8|@]|E|@]|F|$]]|$1|I|3|-4|5|6|7|Q|8|@]|E|@]|F|$]]]|J|$]]

There seems to be quite a lot of things that can cause this error, but for me it turned out to be that I was missing the key <code>CFBundleIdentifier</code> from my plist.

Added it back, and the simulator started normally.

blocks|key|3458959|text|此外，请确保您的文件/组名称都不会与项目的默认设置冲突。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3458960|当我在我的项目中添加了一个info.plist文件时，事情就开始崩溃了(坏主意)。添加“资源”组时也会发生同样的情况。我没有一个详尽的列表，但如果有人有，请分享。|3458961|清除/重命名这些冲突的文件，并遵循林德曼(https://stackoverflow.com/a/12504712/2069749)提供的解决方案为我解决了这个问题。|offset|length|3458962|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/12504712/2069749^0|0|0|L|18|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$F|S|G|T|1|U]]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

Also make sure none of your file/group name collide with the projects default settings. 

Things started breaking for me when I added an info.plist file to my project (Bad Idea). Same happens when you add a "Resource" Group. I don't have an exhaustive list, but if someone does please do share.

Cleaning out / Renaming these conflicting files and following the solution provided by Lindemann(<a href="https://stackoverflow.com/a/12504712/2069749">https://stackoverflow.com/a/12504712/2069749</a>) solved the problem for me.

blocks|key|3245438|text|确保你没有一个无效的构建规则，这将导致这个错误，这在我身上发生过一次(我错误地添加了一个构建规则，并将其保留为无效)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3245439|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|$]]

Make sure you do not have an invalid build rule, that will cause this error, happened to me once (I had added a build rule by mistake and left it invalid).

blocks|key|409179|text|您需要将debbugger更改为GDB。这帮助我在模拟器中启动了我的程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|409180|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|$]]

You need to change the debbugger LLDB to GDB. This helped me start my program in the simulator.

blocks|key|409247|text|对我来说起作用的是，我意识到我正在扰乱项目设置，并意外地删除了info-plist部分。在正确地再次指定plist文件之后，它就可以工作了。希望这能帮助到一些人。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|409248|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|$]]

What worked for me was that I realized i was messing with the project settings and accidently removed the info-plist section. After specifying the plist file again properly, it worked. Hope that helps someone.

blocks|key|3245620|text|如果您使用的是网络帐户，则应将"~/Library/Application+Support/iPhone++Simulator“替换为指向本地目录的链接。在尝试了其他所有方法后，这对我来说很有效。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3245621|entityMap^0|G|1B|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

If you are using a network account, you should replace the "<code>~/Library/Application Support/iPhone Simulator</code>" with a link to a local directory. This worked for me after trying everything else.

blocks|key|409241|text|我也有同样的问题，在我的例子中，我在一个用户帐户中打开了ios模拟器，并切换到(没有注销前一个用户帐户)到另一个用户帐户。我无法打开ios模拟器来清除和重置其设置。显示无法打开ios模拟器OSStatus+-+10829|type|unstyled|depth|inlineStyleRanges|entityRanges|data|409242|我的解决方案是:我退出了第一个用户帐户的模拟器，然后返回到第二个用户帐户，一切都很正常。|409243|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 had the same problem, in my case i have left the ios simulator open in one user account and switched (without logout the previous one) to another user account. I couldn't event able to open ios simulator to clear and reset its settings. [Shows could no open ios simulator OSStatus - 10829]

My solution:
I quit the simulator in the first user account and then came back to second user account, every thing is working fine.

blocks|key|3245732|text|尝试执行下一步：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3245733|请转到产品/方案/编辑方案，然后选择Run+section.|3245734|Select+|unordered-list-item|3245735|并将调试器设置为None。|3245736|运行项目。它必须工作(没有调试器)|3245737|返回到编辑方案并选择调试器LLDB|3245738|运行项目。它正在工作。|3245739|3245740|3245741|此外，您可能还需要删除派生数据并执行Product/Clean|3245742|entityMap^0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|A|$]]|$1|G|3|H|5|F|7|X|8|@]|9|@]|A|$]]|$1|I|3|J|5|F|7|Y|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|Z|8|@]|9|@]|A|$]]|$1|M|3|N|5|F|7|10|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|11|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|12|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|13|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|T|$]]

try to do next steps:

<ul>
<li>Go to Product/Scheme/Edit Scheme then select Run section.</li>
<li>Select Info Tan and set Debugger None.</li>
<li>Run project. It must be working (without debugger)</li>
<li>Go back to Edit Scheme and selecet debugger LLDB</li>
<li>Run project. It is working.</li>
</ul>

Maybe additionally you need to delete derived data and do Product/Clean

blocks|key|3458972|text|我不能告诉你我有多沮丧想缩小这件事的起因。花了我几个小时。在这里和那里反复试验..所有的一切都不会导致任何结果，直到其中一个关于"Executable“的相关帖子中的一条评论。轰隆隆！我记得我的项目plist+(+project+-info.plist)中的plist键"Executable+file“。所以我到了那里，发现那个条目不见了。我用创建新项目时看到的任何默认值填充了它，“可执行文件”与"${EXECUTABLE_NAME}“配对。构建%2B运行。然后它终于成功了！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3458973|顺便说一句，我确实尝试了所有那些删除/重置的东西。它们都不起作用。|3458974|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|$]]

Can't tell you how frustrated I am trying to narrow down the cause of this one. Took me hours. Trial and error here and there.. all leads to nothing until one comment in one of the threads relating to this mentioned about "Executable". Boom! I remember the plist key "Executable file" in my project plist (PROJECT-info.plist). So I got there and found out that that entry was missing. I filled it in with whatever default you see when creating new project, "Executable file" paired with "${EXECUTABLE_NAME}". Build + Run. Then it finally worked! 

Btw, I did try all those deleting/resetting stuff found all over SO. None of them works.

blocks|key|405889|text|如果在模拟器中重置内容和设置对您无效，请确保在/etc/hosts文件中有localhost条目：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|405890|127.0.0.1本地主机|405891|有些程序可以删除该行或将其注释掉(#)，甚至完全删除/etc/hosts/文件。我尝试了所描述的所有方法，但是一旦我将localhost添加回文件中，模拟器就可以完美地为我工作。|405892|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|$]]

If resetting content and settings in the Simulator doe snot work for you, make sure that there is an entry for localhost in your /etc/hosts file:

127.0.0.1 localhost

Some programs can delete the line or comment it out (#) or even delete your /etc/hosts/ file completely. I tried everything described, but once I added localhost back to the file, the simulator worked perfectly for me.

blocks|key|3458857|text|对我起作用的是从组织者的项目选项卡中选择“删除派生数据”。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3458858|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|$]]

What worked for me was to select 'Delete Derived Data' from the Projects tab in the organiser.

blocks|key|3245385|text|我修复了我的问题，我创建了一个新的空白项目，并导入了所有旧文件。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3245386|这肯定是Xcode的一个问题，因为它在iOS+5.1之前就可以工作了。|3245387|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 fixed my problem by I making a new blank project and importing all the old files.

It must have been a problem with Xcode because it worked before iOS 5.1.

when i compile my app, Xcode just says "Attaching to Projectname..." and gets stuck there.
The debugger just prints this out:

<blockquote>
 error: failed to attach to process ID 0
</blockquote>

I tried to clean &amp; build again and it still doesn't work out. I googled but couldn't find anything helpful.
How can I fix this problem? Thank You!

Xcode compiles my App, but can't run it in the simulator

调试器

Xcode

当我编译我的应用程序时，Xcode只显示“附加到项目名...”然后卡在那里了。调试器只会打印出以下内容：错误:无法附加到进程ID 0我试着再次清理和构建，但仍然不起作用。我用谷歌搜索了一下，但找不到任何有用的东西。我如何解决这个问题？谢谢!

问Xcode编译了我的应用程序，但无法在模拟器中运行它
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