Android 获取 USB 设备内存的总大小和可用大小
问题描述：
通过编程访问 USB 设备存储器.
Access USB Device Memory through programmatically.
- 获取 USB 设备总内存大小.
- 获取 USB 设备总可用(可用)内存大小.
我知道内部/外部存储器的内存大小
I know the memory size of Internal/External Memory
File path = Environment.getDataDirectory();
StatFs stat = new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long availableBlocks = stat.getAvailableBlocks();
String availableMemory = Formatter.formatFileSize(this, availableBlocks * blockSize);
Log.i("","Available MB : " + availableMemory);
此代码不适用于识别 USB 设备存储器.
In this code does not worked for identifying the USB Device Memory.
如何找到USB Device Memory.
提前致谢.
答
请使用下面的代码...
Hi Please use below code...
StatFs statFs = new StatFs(Environment.getExternalStorageDirectory().getAbsolutePath());
long blockSize = statFs.getBlockSize();
long totalSize = statFs.getBlockCount()*blockSize;
long availableSize = statFs.getAvailableBlocks()*blockSize;
long freeSize = statFs.getFreeBlocks()*blockSize;
如果你在 MB 中没问题，那么
And If you fine in MB then
long megAvailable = availableSize/ (1024 * 1024);
Log.e("","Available MB : "+megAvailable);