blocks|key|401851|text|我刚刚遇到了同样的问题。我不知道您的确切问题的修复方法，但我找到了解决方法；我看到您的项目有一个很深的文件路径层次结构。为什么不直接把你的项目从一个较低的层次上移呢？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|401852|例如：C:\Projects\YourProject|offset|length|style|CODE|401853|这为我解决了这个问题。|401854|entityMap^0|0|3|N|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

I just ran into the same issue. I don't know a fix for your exact problem, but I found a work around; I see your project has a deep file path hierarchy. Why not just move your project up from a lower level? 

Ex: <code>C:\Projects\YourProject</code>

That fixed the problem for me.

blocks|key|399081|text|作为实际移动项目的一个非常可靠的替代方案，我建议使用硬链接。其语法将如下所示|type|unstyled|depth|inlineStyleRanges|entityRanges|data|399082|mklink+/J+C:\AndroidProjects\ProjectName+C:\MyVeryVeryVeryVery…VeryVeryVeryLongPath\ProjectName|code-block|syntax|javascript|399083|现在，您可以在C:\AndroidProjects\ProjectName中处理您的项目，并将更改放在您的项目应该在的位置。|399084|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

As a very solid alternative to actually moving the project I'd suggest using a hard link. The syntax of that would be like this

<pre class="lang-none prettyprint-override"><code>mklink /J C:\AndroidProjects\ProjectName C:\MyVeryVeryVeryVery…VeryVeryVeryLongPath\ProjectName
</code></pre>

Now you can work on your project in C:\AndroidProjects\ProjectName, and have the changes right where your project is supposed to be.

blocks|key|401859|text|看看这个http://feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html。解决方案太简单了，文件夹路径不超过240个字符。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|401860|确保路径中的字符少于240个|401861|entityMap|0|LINK|mutability|MUTABLE|url|http://feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html^0|4|2A|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

Have look at this <a href="http://feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html" rel="nofollow">http://feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html</a>. Solution is too simple keep path of folder less then 240 characters.

Make sure you will have less then 240 charters in the path

blocks|key|3444885|text|您还可以尝试更改项目的构建目录，因为大多数路径问题都会在那里出现。在根build.gradle文件中|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3444886|allprojects+{
++++buildDir+=+"C:/tmp/${rootProject.name}/${project.name}"
++++repositories+{
+++++++...
++++}
}|code-block|syntax|javascript|3444887|Android+Studio会注意到这个变化，并且仍然会在Project视图中显示您的新构建位置。这比移动整个项目要容易得多。|3444888|编辑|3444889|虽然Windows10Insider+Preview现在提供了允许更长文件路径限制的能力，但这些限制目前实际上只有那些专门启用了对更长文件路径的支持的应用程序才能访问。|3444890|目前，这些启用了扩展路径的应用程序似乎只是通过Windows应用商店安装的应用程序。|3444891|目前，Gradle没有也可能无法启用此选项来利用增强的NTFS文件路径长度。|3444892|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

You could also try changing your build directory for your project since that is where most of the path issues will arise. In your root build.gradle file

<pre><code>allprojects {
 buildDir = "C:/tmp/${rootProject.name}/${project.name}"
 repositories {
 ...
 }
}
</code></pre>

Android Studio will pick up on the change and still show your new build location in the Project view. It's a lot easier than moving your entire project.

EDIT

While Windows 10 Insider Preview now offers the ability for allowing for longer file path limits these limits currently are only actually accessible to apps which have specifically enabled support for longer file paths. 

At the current time, it appears that these applications with the extended path enabled seem to be only apps that are installed via the Windows Store. 

At the current time, Gradle does not and potentially cannot have this option enabled to utilize the enhanced NTFS file path length.

blocks|key|402286|text|可以使用NTFS交叉点创建到项目的较短路径。要了解更多关于连接的信息，请阅读以下内容：Hard+Links+and+Junctions|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|402287|402288|连接(也称为软链接)与硬链接的不同之处在于，它引用的存储对象是单独的目录，并且连接可以链接位于同一台计算机上不同本地卷上的目录。否则，交汇点的操作方式与硬链接|blockquote|402289|
相同|402290|entityMap|0|LINK|mutability|MUTABLE|url|https://msdn.microsoft.com/en-us/library/windows/desktop/aa365006(v=vs.85).aspx^0|17|O|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|D|3|-4|5|6|7|V|8|@]|9|@]|C|$]]|$1|E|3|F|5|G|7|W|8|@]|9|@]|C|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]]]

You can use NTFS junction point to create shorter path to your project.
To read more about Junctions read this :
<a href="https://msdn.microsoft.com/en-us/library/windows/desktop/aa365006(v=vs.85).aspx" rel="nofollow">Hard Links and Junctions</a> 

<blockquote>
 A junction (also called a soft link) differs from a hard link in that the storage objects it references are separate directories, and a junction can link directories located on different local volumes on the same computer. Otherwise, junctions operate identically to hard links
</blockquote>

blocks|key|405190|text|我同意弗拉基米尔·迪莫夫的回答。您必须为您的项目选择短路径，因为其中提到Windows上的文件路径应少于240个字符。这个链接帮了我大忙：http://www.feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|405191|entityMap|0|LINK|mutability|MUTABLE|url|http://www.feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html^0|1X|2E|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

I agree with Vladimir Dimov answer. 
You must choose the short path for your project as it is mentioned that the file path should be below 240 characters on Windows.
This link helps me out : <a href="http://www.feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html" rel="nofollow">http://www.feelzdroid.com/2016/01/android-studio-error-file-path-too-long-windows.html</a>

blocks|key|3445052|text|问题原因:+Windows+'C:\users...\commom_google_signin_btn_text_dark_normal.9.png‘图标路径长度超过240个字符，超出操作系统的最大文件路径长度限制。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|3445053|的解决方案是:将你的项目移到像'C:\your_project‘这样的顶层目录中，或者缩短项目名称的长度。|3445054|这是windows路径限制图表|3445055|📷|atomic|3445056|​|3445057|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/6e4f3dab28ee0f2893c655798cfe4007.png|imageAlt^0|2K|5|0|0|7|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|13|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|14|8|@]|D|@$9|15|A|16|1|17]]|E|$]]|$1|M|3|N|5|6|7|18|8|@]|D|@]|E|$]]|$1|O|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|P|$Q|$5|R|S|T|E|$U|V|W|-4]]]]

Cause of problem : 'C:\users...\commom_google_signin_btn_text_dark_normal.9.png' icon path length is greater than 240 character which exceeds Maximum File Path Length Limitation of Windows OS. 

Solution is : Move your project into top directory like 'C:\your_project' or reduce length of your project name.

Here is windows path limit chart 
<a href="https://i.stack.imgur.com/su4XC.png"><img src="https://i.stack.imgur.com/su4XC.png" alt="enter image description here"></a>

blocks|key|3445065|text|您应该尽可能减少项目目录的深度，例如：-+D:/AndroidWorkSpace/ProjectName|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3445066|因为Gradle仅支持240个字符的项目路径长度|3445067|谢谢|3445068|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|$]]

You Should Have To Keep Your Project Directory As Less Deep As Possible
For Example:-
D:/AndroidWorkSpace/ProjectName
Because Gradle Support Only 240 Character length of Project Path
Thanks

blocks|key|3231750|text|作为对lodock答案的补充，如果您有许多项目具有相同的名称，则可以在项目路径上使用散列：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3231751|import+java.security.MessageDigest

def+hashString(String+s){
++++MessageDigest.getInstance("SHA1").digest(s.bytes).encodeHex().toString()
}

allprojects+{
++++buildDir+=+"C:/AB/${hashString(projectDir.getAbsolutePath())}"
}|code-block|syntax|javascript|3231752|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|$]]

As an addition on lodock's answer, you can use a hash on the project path if you have lots of projects with the same name:

<pre><code>import java.security.MessageDigest

def hashString(String s){
 MessageDigest.getInstance("SHA1").digest(s.bytes).encodeHex().toString()
}

allprojects {
 buildDir = "C:/AB/${hashString(projectDir.getAbsolutePath())}"
}
</code></pre>

blocks|key|3445077|text|我发现这个问题时，我有两个重复的文件夹在同一个喜欢，|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3445078|E:\project-one\project-one|code-block|syntax|javascript|3445079|并且当它有很长的文件夹名称时，|3445080|E:\project-one-with-very-big-name|3445081|为了避免这个问题，让项目文件夹变得简单而简短。|3445082|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I found this issue when I have two repeated folder in same like,

<pre><code>E:\project-one\project-one
</code></pre>

and when it has a large length of folder name like,

<pre><code>E:\project-one-with-very-big-name
</code></pre>

To avoid this problem make a folder of project simple and short.

blocks|key|3445084|text|对于Windows用户：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3445085|您可能很想创建一个网络共享到项目根文件夹，然后映射到它。这项技术将缩短整个路径长度，但会给Android+Studio带来问题，因为很难检测修改的文件。更好的解决方案是使用windows+subst命令。以下是绕过该问题的示例脚本。根据需要调整名称，并修改以指向您的项目和安装目录。|offset|length|style|BOLD|3445086|文件:+launchAS.cmd|3445087|subst+P:+"C:\private\java42\ide\42g\workspaces\AndroidStudioProjects"
cd+"C:\private\java42\programs\android-studio-base\bin"
start+studio64.exe|code-block|syntax|javascript|3445088|上述命令将创建一个P:驱动器，并将其映射到项目根文件夹。这将减少项目文件的总路径长度，并可能缓解路径名过长的问题。使用P:\，就像在打开项目时使用长根名称一样。|3445089|要删除映射，请使用命令：subst+P:+/d|3445090|entityMap^0|0|2M|5|0|0|0|0|C|B|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@$D|W|E|X|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|Z|8|@]|9|@]|A|$M|N]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|11|8|@$D|12|E|13|F|G]]|9|@]|A|$]]|$1|S|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|T|$]]

For Windows users: 

You might be tempted to create a network share to the project root folder and then map to it. This technique will shorten the overall path length but will cause problems for Android Studio due to the difficulty in detecting modified files. A better solution is to use the windows subst command. Here is an example script to circumvent the problem. Tweak names as necessary and modify to point to your project and install directories.

File: launchAS.cmd

<pre><code>subst P: "C:\private\java42\ide\42g\workspaces\AndroidStudioProjects"
cd "C:\private\java42\programs\android-studio-base\bin"
start studio64.exe
</code></pre>

The above commands will create a P: drive and map it to the project root folder. This will reduce the overall path length to project files and might give you some relief for the too long path name problem. Use P:\ as you would have used the long root name when opening projects.

To remove the mapping use command: subst P: /d

blocks|key|399202|text|缩短项目路径真的有点麻烦，Ivan+Neeson的回应似乎是前进的方向。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|399203|如果您足够幸运地使用Android+Studio，那么您将看到一条关于文件长度的有用错误消息。然而，如果你在执行命令行离子编译时遇到同样的问题，你将会看到png文件是否出现了某种压缩错误，但这并不明显。|399204|真正的问题是Google+Play服务有如此奢侈的文件名，比如common_google_signin_btn_text_light_normal_background.9.png，这对Windows来说是不友好的。将其转储到Android构建中，路径将在我们的控制之外爆炸到platforms\android\build\intermediates\exploded-aar\com.google.android.gms\play-services-base\10.2.1\res\drawable-xhdpi-v4\common_google_signin_btn_text_light_normal_background.9.png|399205|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|$]]

Shortening project paths is really a bit of a hack, Ivan Neeson's response seems the way forward.

If you are lucky enough to be using Android Studio then you will see a useful error message about file length.
If however you hit the same issue doing a command line ionic build all you will see if some kind of crunch error for a png file and it's not so obvious.

The real issue is Google Play Services having such extravagant filenames such as common_google_signin_btn_text_light_normal_background.9.png which is simply not Windows friendly. Dump that inside an Android build and the path explodes outside our control to platforms\android\build\intermediates\exploded-aar\com.google.android.gms\play-services-base\10.2.1\res\drawable-xhdpi-v4\common_google_signin_btn_text_light_normal_background.9.png

blocks|key|3445185|text|我也面临着同样的问题，我的项目在C驱动器中，它位于更深的路径位置，我所做的只是将我的项目移动到其他较低的深路径位置，它可以工作，您只需更改项目位置，而项目不应处于深层位置层次结构中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3445186|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 was facing the same issue , my project is in C drive and it is in deeper path location, What i did I just moved my project to other lower deep path location and it works, you just change the project location and project should not be in deep location hierarchy.

blocks|key|402063|text|对于这个问题，我有不同的体验。首先我有这个错误，但后来我注意到我之前在同一目录中的项目正在打开。这是路径：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|402064|C:\Users\koralis\Documents\extraction\Ex_Files_Android_App_Dev_LDS_Upd\Exercise+Files\Ch01\01_06\ImageAssets|402065|令人惊讶的是，我将gradle版本从'com.android.tools.build:gradle:2.0.0‘更新为'com.android.tools.build:gradle:3.2.1’。|402066|这解决了我的问题。|402067|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

I had a different experience with this problem. First I has this error but then i noticed that my previous projects in the same directory were opening. This is the path: 

C:\Users\koralis\Documents\extraction\Ex_Files_Android_App_Dev_LDS_Upd\Exercise Files\Ch01\01_06\ImageAssets 

Surprisingly, I updated that gradle version to 
'com.android.tools.build:gradle:3.2.1' from 'com.android.tools.build:gradle:2.0.0'

This solved my problem.

So, I made some changes to my build.gradle(app) file and android studio gives me this error (open the image in new tab for better viewing):
<a href="https://i.stack.imgur.com/ZYlIc.jpg"><img src="https://i.stack.imgur.com/ZYlIc.jpg" alt="Error description from Logcat"></a>

My build.gradle(app) file (this is not the edited file, I deleted new lines of code and still no luck/solution.):
<a href="https://i.stack.imgur.com/5VbsA.jpg"><img src="https://i.stack.imgur.com/5VbsA.jpg" alt="Build.gradle"></a>

Everything was quite working well until I made some changes in the build.gradle(app) file, but then I deleted those new lines of codes and android studio is still keep giving me the error.
The error relates to the compile 'com.google.android.gms:play-services:8.3.0'.
I have tried deleting/renaming those png images inside the stated folder,but then when I rebuild the project, the png images are automatically downloaded.
My build.gradle(project) file contains classpath 'com.android.tools.build:gradle:1.5.0'. I want to know what causes this error, and how to fix it? Many thanks.

Error: File path too long on windows, keep below 240 characters

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，我对我的build.gradle(应用程序)文件做了一些修改，android studio给出了这个错误(为了更好地查看，在新标签中打开图片)：​我的build.gradle(app)文件(这不是经过编辑的文件，我删除了新的代码行，仍然没有运气/解决方案)：​在我对build.gradle(应用程序)文件做了一些...

问错误:文件路径在windows上太长，保持在240个字符以下
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问错误:文件路径在windows上太长，保持在240个字符以下EN