blocks|key|1927706|text|不确定，但您可能已经单击了调试区域右上角的三个按钮中的一个，这三个按钮用于仅显示变量视图、仅显示控制台或两者都显示。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1927707|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|$]]

Not sure but may be you have clicked on one of the three buttons at the top right corner of the debug area that are used to either show only variables view, only the console or both.

blocks|key|2311265|text|我也有同样的问题。下面是对此的修复：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2311266|2311267|您的控制台可能会被隐藏。按右上角的Show+the+console按钮(控制台打开时为蓝色)。|ordered-list-item|offset|length|style|CODE|2311268|2311269|📷|atomic|2311270|​|2311271|2311272|您可能正在显示调试器或目标输出。|2311273|All+Output+(选中时将显示复选标记)。|2311274|2311275|2311276|2311277|2311278|a.打开Xcode+preference+(快捷方式:+cmd+%2B，)。|2311279|2311280|b.从弹出窗口中选择Behaviours选项卡。|2311281|c.从Build部分中选择Succeeds。|2311282|d.启用Show+debugger+with+Current+Views。|2311283|e.从下拉列表中选择Console+View。|2311284|2311285|2311286|2311287|2311288|2311289|2311290|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/e3df1005474d3b3e0c6856d2f109c2bf.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/3365559e88d90c764b89a366bb7a0cb0.png|2|https://ask.qcloudimg.com/http-save/yehe-900000/3fbc02ada63a7c99f5971bd566d1b489.png|3|https://ask.qcloudimg.com/http-save/yehe-900000/09940bc8bd64f0ab1f101edbb2c1b934.png^0|0|0|H|G|0|0|0|1|0|0|0|0|0|0|A|0|0|0|1|1|0|0|0|4|G|0|0|A|A|0|3|5|D|8|0|4|W|0|A|C|0|0|0|1|2|0|0|0|0|1|3|0|0^^$0|@$1|2|3|4|5|6|7|1U|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1V|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1W|8|@$F|1X|G|1Y|H|I]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|1Z|8|@]|9|@]|A|$]]|$1|K|3|L|5|M|7|20|8|@]|9|@$F|21|G|22|1|23]]|A|$]]|$1|N|3|O|5|6|7|24|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|25|8|@]|9|@]|A|$]]|$1|Q|3|R|5|E|7|26|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|27|8|@$F|28|G|29|H|I]]|9|@]|A|$]]|$1|U|3|O|5|6|7|2A|8|@]|9|@]|A|$]]|$1|V|3|L|5|M|7|2B|8|@]|9|@$F|2C|G|2D|1|2E]]|A|$]]|$1|W|3|O|5|6|7|2F|8|@]|9|@]|A|$]]|$1|X|3|-4|5|6|7|2G|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|E|7|2H|8|@$F|2I|G|2J|H|I]]|9|@]|A|$]]|$1|10|3|-4|5|6|7|2K|8|@]|9|@]|A|$]]|$1|11|3|12|5|6|7|2L|8|@$F|2M|G|2N|H|I]]|9|@]|A|$]]|$1|13|3|14|5|6|7|2O|8|@$F|2P|G|2Q|H|I]|$F|2R|G|2S|H|I]]|9|@]|A|$]]|$1|15|3|16|5|6|7|2T|8|@$F|2U|G|2V|H|I]]|9|@]|A|$]]|$1|17|3|18|5|6|7|2W|8|@$F|2X|G|2Y|H|I]]|9|@]|A|$]]|$1|19|3|O|5|6|7|2Z|8|@]|9|@]|A|$]]|$1|1A|3|L|5|M|7|30|8|@]|9|@$F|31|G|32|1|33]]|A|$]]|$1|1B|3|O|5|6|7|34|8|@]|9|@]|A|$]]|$1|1C|3|O|5|6|7|35|8|@]|9|@]|A|$]]|$1|1D|3|L|5|M|7|36|8|@]|9|@$F|37|G|38|1|39]]|A|$]]|$1|1E|3|O|5|6|7|3A|8|@]|9|@]|A|$]]|$1|1F|3|-4|5|6|7|3B|8|@]|9|@]|A|$]]]|1G|$1H|$5|1I|1J|1K|A|$1L|1M|1N|-4]]|1O|$5|1I|1J|1K|A|$1L|1P|1N|-4]]|1Q|$5|1I|1J|1K|A|$1L|1R|1N|-4]]|1S|$5|1I|1J|1K|A|$1L|1T|1N|-4]]]]

I had the same issue. Below are fix for this :

<ol>
<li>You console may be hidden. Press <code>Show the console</code> button present in right corner (blue coloured when console is open).

<a href="https://i.stack.imgur.com/xMJH4.png"><img src="https://i.stack.imgur.com/xMJH4.png" alt="Screenshot 1"></a></li>
<li>You may be displaying Debugger or Target output. Select <code>All Output</code> (Checkmark is displayed when selected).</li>
</ol>

<a href="https://i.stack.imgur.com/lKHEl.png"><img src="https://i.stack.imgur.com/lKHEl.png" alt="Screenshot 2"></a>

<ol start="3">
<li>a. Open <code>Xcode preference</code> (shortcut: cmd + ,).

b. Select <code>Behaviours</code> tab from pop-up.

c. From the <code>Build</code> sections select <code>Succeeds</code>. 

d. Enable <code>Show debugger with Current Views</code>.

e. Select <code>Console View</code> from the drop-down list.</li>
</ol>

<a href="https://i.stack.imgur.com/cSUG3.png"><img src="https://i.stack.imgur.com/cSUG3.png" alt="Screenshot 3"></a>

<a href="https://i.stack.imgur.com/UFTZW.png"><img src="https://i.stack.imgur.com/UFTZW.png" alt="Screenshot 4"></a>

blocks|key|1927889|text|如果您希望始终显示调试区，请执行以下步骤：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1927890|Show++tab+named|offset|length|style|CODE|1927891|Type+XCode+>+Preferences+>+Behaviors+>+Succeeds+>|unordered-list-item|1927892|
|1927893|在textbox旁边的Textbox旁边的Textbox中的Show++tab+named|1927894|1927895|select+separate+window+in+Textbox旁边的Textbox中选中|1927896|XCode>Preferences>Behaviors>Succeeds>|1927897|复选框|1927898|Now单击debugger+with前面的复选框，并在下拉列表<代码>H215<代码>F216中选择Console+View。|1927899|1927900|1927901|​|1927902|📷|atomic|1927903|1927904|现在，当您运行我们的应用程序时，控制台窗口将自动弹出。|1927905|快捷键是command%2Bshift%2By|1927906|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/efd98d0695a10b5fc56cda4b942d19ff.png|imageAlt^0|0|0|F|0|0|0|U|F|0|0|7|F|0|0|0|5|D|1E|C|0|0|0|0|0|1|0|0|0|0|4|F|0^^$0|@$1|2|3|4|5|6|7|1I|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1J|8|@$D|1K|E|1L|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|1M|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|1N|8|@]|9|@]|A|$]]|$1|M|3|N|5|J|7|1O|8|@$D|1P|E|1Q|F|G]]|9|@]|A|$]]|$1|O|3|L|5|6|7|1R|8|@]|9|@]|A|$]]|$1|P|3|Q|5|J|7|1S|8|@$D|1T|E|1U|F|G]]|9|@]|A|$]]|$1|R|3|S|5|J|7|1V|8|@]|9|@]|A|$]]|$1|T|3|U|5|J|7|1W|8|@]|9|@]|A|$]]|$1|V|3|W|5|J|7|1X|8|@$D|1Y|E|1Z|F|G]|$D|20|E|21|F|G]]|9|@]|A|$]]|$1|X|3|-4|5|6|7|22|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|23|8|@]|9|@]|A|$]]|$1|Z|3|10|5|6|7|24|8|@]|9|@]|A|$]]|$1|11|3|12|5|13|7|25|8|@]|9|@$D|26|E|27|1|28]]|A|$]]|$1|14|3|10|5|6|7|29|8|@]|9|@]|A|$]]|$1|15|3|16|5|6|7|2A|8|@]|9|@]|A|$]]|$1|17|3|18|5|6|7|2B|8|@$D|2C|E|2D|F|G]]|9|@]|A|$]]|$1|19|3|-4|5|6|7|2E|8|@]|9|@]|A|$]]]|1A|$1B|$5|1C|1D|1E|A|$1F|1G|1H|-4]]]]

if you want to display Debug area always, then follow these steps:

<ul>
<li>Goto XCode > Preferences > Behaviors > Succeeds ></li>
<li>Check checkbox of <code>Show tab named</code></li>
<li>Type DEBUG in the textbox next to <code>Show tab named</code></li>
<li>select <code>separate window</code> in dropdown next to Textbox</li>
<li>Now click checkbox before <code>debugger with</code> and select <code>Console View</code> in the dropdown</li>
</ul>

<a href="https://i.stack.imgur.com/S2KK1.png" rel="noreferrer"><img src="https://i.stack.imgur.com/S2KK1.png" alt="enter image description here"></a>

Now when you will run our app, console window will popout itself.

And shortcut key for this is <code>command+shift+y</code>

blocks|key|307907|text|对我来说，答案是“激活控制台”。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|307908|转到view+->+Debug+Area+->+Activate+Console|offset|length|style|CODE|307909|entityMap^0|0|2|12|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|$]]

For me, the answer is to 'activate console'

Go to <code>view -&gt; Debug Area -&gt; Activate Console</code>

blocks|key|1927737|text|您有几个选择：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1927738|1927739|在菜单中，选择View+->显示调试区。|unordered-list-item|1927740|在右上角的视图选择控制器中，启用底部视图(中间的那个)。|1927741|如果您希望它自动显示，请转到Preferences+->+Behaviors。选择“运行开始”并启用“显示”调试区。|1927742|1927743|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|N|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|O|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|P|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|Q|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|L|$]]

You have a few choices:

<ul>
<li>In the menus, select View -> Show Debug Area.</li>
<li>In the View selection controller in the upper right, enable the bottom view (the one in the middle).</li>
<li>If you'd like this to show automatically, go to Preferences -> Behaviors. Select "Run Starts" and enable "Show" Debug Area.</li>
</ul>

blocks|key|2311299|text|对于Xcode+8|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2311300|我将OS_ACTIVITY_MODE设置为disable，以便在模拟器中隐藏疯狂的日志消息。但它也会隐藏我的iPhone+SE设备上的NSLog输出(+swift中的打印功能仍然有效)。删除环境变量将使NSLog再次工作。|offset|length|style|CODE|2311301|entityMap^0|0|2|G|L|7|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]|$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|P|8|@]|9|@]|A|$]]]|I|$]]

For Xcode 8

I set <code>OS_ACTIVITY_MODE</code> to <code>disable</code> to hide crazy logging message in simulator. But it will also hide NSLog output on my iPhone SE device (print function in swift still works).
Remove the environment variable makes NSLog work again.

blocks|key|1928049|text|确保在调试器区域和调试栏中选择了ALL+OUTPUT|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|1928050|​|1928051|📷|atomic|1928052|1928053|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/cf61d0b55d3e5b35ba087beca66ea8c4.jpeg|imageAlt^0|3|9|G|A|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Z|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|10|8|@]|D|@$9|11|A|12|1|13]]|E|$]]|$1|K|3|G|5|6|7|14|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S|T|-4]]]]

Make Sure that in your Debugger Area >> Debugger Bar you have Selected ALL OUTPUT

<img src="https://i.stack.imgur.com/xUmQf.jpg" alt="enter image description here">

blocks|key|1928140|text|我花了一段时间才弄明白...这是Xcode+6.1.1的截图。确保在1中选择了All+output，并在2中激活了output窗格。不知何故，输出窗格突然对我来说消失了，我只是在2个小时内没有看到底部的图标。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1928141|​|1928142|📷|atomic|1928143|1928144|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/d740dfa6c7103375197f33ae83c8e122.png|imageAlt^0|Y|1|13|A|1G|1|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|11|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|12|8|@]|D|@$9|13|A|14|1|15]]|E|$]]|$1|K|3|G|5|6|7|16|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|17|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S|T|-4]]]]

Took me a while to figure this out... Here's a screenshot of Xcode 6.1.1. Make sure you have chosen <code>All output</code> at <code>1</code> and activated the output pane in <code>2</code>. Somehow the output pane suddenly was gone for me and I just didn't see the icons at the bottom for like 2 hours.

<img src="https://i.stack.imgur.com/b4oCF.png" alt="enter image description here">

blocks|key|307658|text|只需确认您已经使用与您尝试构建/运行的文件的所有权类似的权限打开了Xcode，并确保您对build目录具有相同的权限。我注意到如果权限不匹配，Xcode将不会显示任何调试输出。我在面对这么多骚扰后才想到这一点。发生这种情况时，utilities>console仍在显示日志。我用它作为一种变通方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|307659|我的是:+Xcode+4.2在OS+X+10.7.2上构建4D199|307660|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|$]]

Just confirm that you have Xcode open with similar rights as you have the ownership of the files you are trying to build/run and also make sure you have same rights to the build directory. I noticed Xcode won't show any debug output if rights were mismatched. I figured this after facing so much harassment. When this happened, utilities>console was still showing logs. I used that as a workaround.

Mine is: Xcode 4.2 Build 4D199 on OS X 10.7.2

blocks|key|307808|text|如果日志中没有显示任何内容，日志视图将取消选择它自己，并且不显示它自己。您可以添加一个printf并验证这一点。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|307809|entityMap^0|17|6|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 don't have anything displaying in the logs, the log view will unselect itself and not display itself. You could add a <code>printf</code> and verify this.

blocks|key|2311336|text|对我来说，方案设置(产品-->方案-->编辑方案:运行)中的“调试可执行文件”被取消勾选。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2311337|​|2311338|📷|atomic|2311339|2311340|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/6b148a2df8db65ed37728cefb679ce6a.png|imageAlt^0|A|H|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|X|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|Y|8|@]|D|@$9|Z|A|10|1|11]]|E|$]]|$1|K|3|G|5|6|7|12|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|13|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S|T|-4]]]]

For me, "Debug Executable" in Scheme Settings (Product-->Scheme-->Edit Scheme: Run) had been unchecked. 

<img src="https://i.stack.imgur.com/Un8FW.png" alt="enter image description here">

blocks|key|308167|text|在12.1+Xcode版本中，您可以执行以下任一操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|308168|选项1:查看>调试区>激活控制台|308169|选项2:+Shift+%2B+cmd+%2Bc(激活控制台)|308170|选项3：(如果您的控制台已经激活)+Shift+%2B+cmd+%2By|308171|这是给你的一张照片：|308172|picture+that+shows+menus+and+options|offset|length|308173|entityMap|0|LINK|mutability|MUTABLE|url|https://i.stack.imgur.com/UdcXz.jpg^0|0|0|0|0|0|0|10|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|X|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|Z|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|10|8|@]|9|@$L|11|M|12|1|13]]|A|$]]|$1|N|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U]]]]

On an 12.1 Xcode version you can do either:
Option 1: View &gt; Debug Area &gt; Activate Console
Option 2: Shift + cmd + c (to activate console)
Option 3: (if your console is already activated) Shift + cmd + y
Here is a picture for you:
<a href="https://i.stack.imgur.com/UdcXz.jpg" rel="nofollow noreferrer">picture that shows menus and options</a>

My NSLog messages no longer show up in my Debug Area. Anyone have an idea how the could have happened? 

I can hit command-7 to bring of a list of logs in the left pane, select the latest one and view it in my editor window, but it is extremely annoying compared to having the console output in the debug area.

Xcode 4 - Debug Area no longer shows my console output (NSLog)

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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社区富文本&Markdown编辑器全新改版上线，欢迎大家体验!

诚挚邀请您参与本次调研，分享您的真实使用感受与建议。您的反馈至关重要，感谢您的支持与参与！

社区新版编辑器体验调研

我的NSLog消息不再显示在我的调试区域。有谁知道这是怎么发生的吗？我可以点击命令-7在左窗格中显示日志列表，选择最新的日志并在我的编辑器窗口中查看它，但与将控制台输出到调试区相比，这是非常恼人的。

问Xcode4-调试区不再显示控制台输出(NSLog)
EN

回答 12

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问Xcode4-调试区不再显示控制台输出(NSLog)EN

回答 12

Stack Overflow用户

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问Xcode4-调试区不再显示控制台输出(NSLog)
EN