Example #1
0
  /** Get SD card info detail. */
  @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
  public static SDCardInfo getSDCardInfo() {
    SDCardInfo sd = new SDCardInfo();
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state)) {
      sd.isExist = true;
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        File sdcardDir = Environment.getExternalStorageDirectory();
        StatFs sf = new StatFs(sdcardDir.getPath());

        sd.totalBlocks = sf.getBlockCountLong();
        sd.blockByteSize = sf.getBlockSizeLong();

        sd.availableBlocks = sf.getAvailableBlocksLong();
        sd.availableBytes = sf.getAvailableBytes();

        sd.freeBlocks = sf.getFreeBlocksLong();
        sd.freeBytes = sf.getFreeBytes();

        sd.totalBytes = sf.getTotalBytes();
      }
    }
    if (Log.isPrint) {
      Log.i(TAG, sd.toString());
    }
    return sd;
  }
Example #2
0
  public static SDCardInfo getSDCardInfo() {
    String sDcString = Environment.getExternalStorageState();

    if (sDcString.equals(Environment.MEDIA_MOUNTED)) {
      File pathFile = 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) {
        e.printStackTrace();
      }
    }

    return null;
  }