- public static class SDCardInfo {
- public long total;
- public long free;
- }
- public static SDCardInfo getSDCardInfo() {
- String sDcString = android.os.Environment.getExternalStorageState();
- if (sDcString.equals(android.os.Environment.MEDIA_MOUNTED)) {
- File pathFile = android.os.Environment.getExternalStorageDirectory();
- try {
- android.os.StatFs statfs = new android.os.StatFs(pathFile.getPath());
- // 获取SDCard上BLOCK总数
- long nTotalBlocks = statfs.getBlockCount();
- // 获取SDCard上每个block的SIZE
- long nBlocSize = statfs.getBlockSize();
- // 获取可供程序使用的Block的数量
- long nAvailaBlock = statfs.getAvailableBlocks();
- // 获取剩下的所有Block的数量(包括预留的一般程序无法使用的块)
- long nFreeBlock = statfs.getFreeBlocks();
- SDCardInfo info = new SDCardInfo();
- // 计算SDCard 总容量大小MB
- info.total = nTotalBlocks * nBlocSize;
- // 计算 SDCard 剩余大小MB
- info.free = nAvailaBlock * nBlocSize;
- return info;
- } catch (IllegalArgumentException e) {
- Log.e(LOG_TAG, e.toString());
- }
- }
- return null;
- }
来源: http://www.phpxs.com/code/1002204/