dev_unmountVolume
# dev_unmountVolume
>i**描述：卸载外部存储。**
函数：**int dev_unmountVolume(String path,boolean force,
boolean removeEncryption)**
>#### 代码示例
>SmdtManager smdt = SmdtManager.create(this);
>smdt.dev_unmountVolume();
|参数名/返回值| 类型 |说明 |举例|
|-|-|-|-|
|返回值 void
|path|String|要卸载的外部存储绝对路径(具体要以平台实际路径为准)|/storage/emulated/0<p>/storage/extsd<p>/storage/usbhost0<p>/storage/usbhost1<p>/storage/usbhost2<p>/storage/usbhost3<p>/storage/usbhost4
|force|boolean |是否强制卸载|true
|removeEncryption|boolean|是否是移除加密设备|false