blocks|key|1141369|text|我发现这是可行的|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1141370|$./adb+shell
$su
mount+-o+rw,remount+rootfs+/
chmod+777+/mnt/sdcard
exit|code-block|syntax|javascript|1141371|来源：http://www.coderanch.com/t/611842/Android/Mobile/Android-emulator-sdcard-writable|offset|length|1141372|entityMap|0|LINK|mutability|MUTABLE|url|http://www.coderanch.com/t/611842/Android/Mobile/Android-emulator-sdcard-writable^0|0|0|3|29|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]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

I found this works

<pre><code>$./adb shell
$su
mount -o rw,remount rootfs /
chmod 777 /mnt/sdcard
exit
</code></pre>

Source: <a href="http://www.coderanch.com/t/611842/Android/Mobile/Android-emulator-sdcard-writable">http://www.coderanch.com/t/611842/Android/Mobile/Android-emulator-sdcard-writable</a>

blocks|key|1141170|text|从一个shell启动Emulator后，登录到另一个shell并键入|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1141171|adb+shell|code-block|syntax|javascript|1141172|您应该会看到显示的#+prompt，这是您的设备(模拟器)外壳。现在，在adb+shell中输入以下命令。|offset|length|style|CODE|1141173|mount+-o+remount+rw+/sdcard|1141174|这将使用rw(read-write)权限重新挂载/sdcard+&现在您可以从主机shell使用以下命令将文件推送到/sdcard中。|1141175|`adb+push+filename.mp3+/sdcard,`|1141176|其中，filename.mp3可以是您想要推送到Android+Emulator的任何文件。|1141177|希望这能有所帮助:)|1141178|entityMap^0|0|0|9|8|0|0|4|E|O|7|1M|7|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|10|8|@$I|11|J|12|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|13|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|14|8|@$I|15|J|16|K|L]|$I|17|J|18|K|L]|$I|19|J|1A|K|L]]|9|@]|A|$]]|$1|Q|3|R|5|D|7|1B|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|1C|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1D|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|X|$]]

Once you started the Emulator from one shell, login to another shell &amp; type 

<pre><code>adb shell
</code></pre>

You should see <code># prompt</code> displayed, this is your device(emulator) shell. Now , type following command at adb shell.

<pre><code>mount -o remount rw /sdcard
</code></pre>

This will now remount <code>/sdcard</code> with <code>rw(read-write)</code> permission &amp; now you can push your files into <code>/sdcard</code> by using following command from your host shell.

<pre><code>`adb push filename.mp3 /sdcard,`
</code></pre>

where filename.mp3 could be any file that you want to push into Android Emulator.

Hope this helps :)

blocks|key|1356186|text|也许这听起来很愚蠢，但当我遇到同样的问题时，它对我很有效:删除创建的avd，然后使用例如512MB的SD卡通过AVD管理器重新创建一个。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356187|检查两者是否都具有正确的权限，如果不正确，请尝试使用chmod更改它们。|1356188|如果仍然失败，则重复此过程，但通过终端手动创建avd和SD卡：|1356189|android+create+avd+-n+my_avd+-t+7
mksdcard+-l+e+512M+mysdcard.img
emulator+-avd+my_avd+-sdcard+mysdcard.img|code-block|syntax|javascript|1356190|希望这能有所帮助！|1356191|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Q|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|R|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Maybe it sounds stupid but it worked for me when I had the same problem: delete the created avd and create one again through AVD Manager with a sd card of, for example, 512MB.

Check that both have the correct permissions and if not, try to change them with chmod.

And if everything still fails, repeat the process but creating both avd and sd card manually via terminal:

<pre><code>android create avd -n my_avd -t 7
mksdcard -l e 512M mysdcard.img
emulator -avd my_avd -sdcard mysdcard.img
</code></pre>

Hope that helps!

blocks|key|1141209|text|装载-o重新装载，rw+/sdcard|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1141210|这是使用模拟器重新挂载SD卡的正确方法。|1141211|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|$]]

mount -o remount, rw /sdcard

this is the correct way to remount your sdcard using your emulator.

blocks|key|1356404|text|我为模拟器增加了sdcard的虚拟内存到512MB，这就足够了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356405|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 increased the virtual memory of sdcard up to 512 MB for the emulator and that was enough

blocks|key|1141603|text|我猜，您在创建avd时没有插入内存大小。您可以通过编辑avd来完成此操作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1141604|📷|atomic|offset|length|1141605|​|1141606|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/4ef079f1c5284d148df38f683183b8d1.png|imageAlt^0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|S|8|@]|9|@$E|T|F|U|1|V]]|A|$]]|$1|G|3|H|5|6|7|W|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|J|$K|$5|L|M|N|A|$O|P|Q|-4]]]]

I guess, you didn't insert memory size at the time of creating avd. you can do that by editing the avd. <img src="https://i.stack.imgur.com/3JtWr.png" alt="screenshot">

blocks|key|1141227|text|请确保您拥有正确的权限。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1141228|<uses-permission+android:name="android.permission.WRITE_EXTERNAL_STORAGE"+/>+|code-block|syntax|javascript|1141229|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|$]]

make sure that you have the correct permissions. 

<pre><code>&lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt; 
</code></pre>

blocks|key|1356374|text|Windows使用反斜杠，linux使用正斜杠。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356375|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|$]]

Windows uses backward slashes, linux uses forward slashes.

blocks|key|1356491|text|有时，这可能是由一个非常简单的原因造成的，请转到eclipse中的列表并检查您是否设置了SDCard大小|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356492|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|$]]

sometimes this can cause of a very simple reason,
go to your list in eclipse and check whether you have set SDCard size

blocks|key|1356696|text|我在Android+L开发者预览版上遇到了这个问题，至少在这个版本中，我创建了一个大小为2的SD卡(例如128M，256M等)，从而解决了这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356697|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 this problem on Android L developer preview, and, at least for this version, I solved it by creating an sdcard with a size that had square 2 size (e.g 128M, 256M etc)

blocks|key|1141725|text|在adb版本1.0.32和Eclipse露娜(版本4.4.1)中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1141726|我在avd+/mnt/media_rw/sdcard中找到了一个目录，您可以使用adb命令将其写入。adb+push+{source}+/mnt/media_rw/sdcard|1141727|似乎存在对此目录的rw访问权限。|1141728|希望这能有所帮助:-)|1141729|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|$]]

In adb version 1.0.32 and Eclipse Luna (v 4.4.1). 

I found a directory in the avd /mnt/media_rw/sdcard that you can write to using the adb command.
adb push {source} /mnt/media_rw/sdcard

There appears to be rw access to this directory.

Hope this helps :-)

blocks|key|1356753|text|另一种方法:卸载驱动器(从设置/存储中)，然后重新挂载SD卡也可以解决这个问题。(通过将文件从内部存储移动到SD卡进行验证)无论如何，这个简单的方法这次救了我的命:)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356754|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|$]]

Alternate way:
Dismount the drive (from settings/storage) and re-mount the sdcard
also fixes the problem. (verify by moving a file from internal storage to sdcard)
In any case, this simple method saved my butt this time :)

blocks|key|1356809|text|在我的帮助下，最终在模拟器中运行了应用程序管理器并设置了存储权限。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356810|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|$]]

With me in the end helped
In the emulator to run applications manager
and setting permissions for storage.

blocks|key|1356815|text|以root用户身份在终端仿真程序中尝试执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1356816|restorecon+-v+-R+/data/media|code-block|syntax|javascript|1356817|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 in a Terminal Emulator as root:

<pre><code>restorecon -v -R /data/media
</code></pre>

I am developing under Android 1.6 (Android SDK 2.1).
I create a avd by using avd manager in Eclipse.
When I launch this avd, I found that the /sdcard directory's permisson is "d---------".
So I can't push file to the sdcard.

Does anyone know how to solve this problem?

Android Emulator sdcard push error: Read-only file system

Android

Windows

Eclipse

我是在Android 1.6 (Android SDK 2.1)下开发的。我使用Eclipse中的avd管理器创建了一个avd。当我启动这个avd时，我发现/sdcard目录的权限是“d-”。所以我不能把文件推送到SD卡上。有人知道如何解决这个问题吗？

问Android Emulator sdcard推送错误:只读文件系统
EN

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