问题描述
在默认情况下，外部存储在Android是psented为/ SD卡的文件夹$ P $。在某些设备上它没有SD卡，但内部存储器中。
By default, "external" storage on Android is presented as /sdcard folder. On some devices it's not SD card but internal memory.
有些设备允许附加额外的SD卡，或在华硕变压器，还额外2个USB闪存盘。
Some devices allow attachment of additional SD card, or in case of Asus Transformer, also additional 2 USB flash discs.
这种增加的内存驱动器显示为某些文件夹，位置取决于设备制造商。在某些设备上它的内部/ SD卡的文件夹，别人是其他地方在其他文件夹中。
Such added memory drive appears as some folder, which location depends on device manufacturer. On some devices it's inside /sdcard folder, on others it's elsewhere in other folder.
现在的我的问题是，如果有一些功能，列出所有可能的外部存储器除了标准/ SD卡的文件夹。
Now my question is, if there's some function to list all possible external storages besides standard /sdcard folder.
推荐答案
您可以阅读的/ proc /坐骑来找出目前被安装。
You can read /proc/mounts to find out what is currently mounted.
或者你也可以读 /etc/vold.conf 或 /etc/vold.fstab （这取决于什么版本的配置文件是present）。本文件包含的配置可移动存储器。在平板电脑默认的存储通常不是present在vold的。
Or you can read /etc/vold.conf or /etc/vold.fstab (it depends on version what config file is present). This files contains config for removable storages. At tablet default storage is not usually present in vold.
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