android SD卡剩余空间

/** * SD卡剩余空间 * @return */@SuppressWarnings("deprecation")public static long getSDFreeSize() {// 取得SD卡文件路径File path = Environment.getExternalStorageDirectory();StatFs sf = new StatFs(path.getPath());// 获取单个数据块的大小(Byte)long blockSize = sf.getBlockSize();// 空闲的数据块的数量long freeBlocks = sf.getAvailableBlocks();// 返回SD卡空闲大小// return freeBlocks * blockSize; //单位Byte// return (freeBlocks * blockSize)/1024; //单位KBreturn (freeBlocks * blockSize) / 1024 / 1024; // 单位MB}