Android get SD card Total capacity, usable size, total body memory capacity and available size

Public long getsdtotalsize () {/* Gets the memory card path */File sdcarddir= environment.getexternalstoragedirectory ();    /*statfs See File system space Usage */StatFs statfs=new StatFs (Sdcarddir.getpath ());    Long blocksize= Statfs.getblocksizelong ();    Long Totalsize=statfs.getblockcountlong ();    return blocksize*totalsize;} /** * Get the remaining capacity of SD card, that can be size * @return */public long getsdavaliablesize () {File Path=environment.getex        Ternalstoragedirectory ();        StatFs statfs=new StatFs (Path.getpath ());        Long Blocksize=statfs.getblocksizelong ();        Long Availableblocks=statfs.getavailableblockslong ();    return blocksize*availableblocks; /** * Get body memory Size * @return */public long getromtotalsize () {File Path=environment.getdatadir        Ectory ();        StatFs statfs=new StatFs (Path.getpath ());        Long Blocksize=statfs.getblocksizelong ();     Long tatalblocks= Statfs.getblockcountlong ();    return blocksize*tatalblocks; }/** * Get the fuselageAvailable memory * @return */Private Long getromavailablesize () {File path=environment.getdatadirectory ();        StatFs statfs=new StatFs (Path.getpath ());        Long Blocksize=statfs.getblocksizelong ();        Long Availableblocks=statfs.getavailableblockslong ();    return blocksize*availableblocks; }