How to find the amount of free storage (disk space) left on Android?

Question

I am trying to figure out the available disk space on the Android phone running my application. Is there a way to do this programmatically?

Thanks,

Answer 1

    File pathOS = Environment.getRootDirectory();//Os Storage
    StatFs statOS = new StatFs(pathOS.getPath());

    File pathInternal = Environment.getDataDirectory();// Internal Storage
  StatFs statInternal = new StatFs(pathInternal.getPath());

    File pathSdcard = Environment.getExternalStorageDirectory();//External(SD CARD) Storage
    StatFs statSdcard = new StatFs(pathSdcard.getPath());

    if((android.os.Build.VERSION.SDK_INT < 18)) {
        // Get Android OS (system partition) free space API 18 & Below
        int totalBlocksOS = statOS.getBlockCount();
        int blockSizeOS = statOS.getBlockSize();
        int availBlocksOS = statOS.getAvailableBlocks();
        long total_OS_memory = (long) totalBlocksOS * (long) blockSizeOS;
        long free_OS_memory = (long) availBlocksOS * (long) blockSizeOS;
        long Used_OS_memory = total_OS_memory - free_OS_memory;
        TotalOsMemory       =   total_OS_memory ;
        FreeOsMemory        =   free_OS_memory;
        UsedOsMemory        =   Used_OS_memory;

        // Get internal (data partition) free space API 18 & Below
        int totalBlocksInternal = statInternal.getBlockCount();
        int blockSizeInternal = statOS.getBlockSize();
        int availBlocksInternal = statInternal.getAvailableBlocks();
        long total_Internal_memory = (long) totalBlocksInternal * (long) blockSizeInternal;
        long free_Internal_memory = (long) availBlocksInternal * (long) blockSizeInternal;
        long Used_Intenal_memory = total_Internal_memory - free_Internal_memory;
        TotalInternalMemory =   total_Internal_memory;
        FreeInternalMemory  =   free_Internal_memory ;
        UsedInternalMemory  =   Used_Intenal_memory ;

        // Get external (SDCARD) free space for API 18 & Below
        int totalBlocksSdcard = statSdcard.getBlockCount();
        int blockSizeSdcard = statOS.getBlockSize();
        int availBlocksSdcard = statSdcard.getAvailableBlocks();
        long total_Sdcard_memory = (long) totalBlocksSdcard * (long) blockSizeSdcard;
        long free_Sdcard_memory = (long) availBlocksSdcard * (long) blockSizeSdcard;
        long Used_Sdcard_memory = total_Sdcard_memory - free_Sdcard_memory;
        TotalSdcardMemory   =   total_Sdcard_memory;
        FreeSdcardMemory    =   free_Sdcard_memory;
        UsedSdcardMemory    =   Used_Sdcard_memory;
    }
    else {
        // Get Android OS (system partition) free space for API 18 & Above
        long   total_OS_memory          = (statOS.       getBlockCountLong()      * statOS.getBlockSizeLong());
        long   free_OS_memory           = (statOS.       getAvailableBlocksLong() * statOS.getBlockSizeLong());
        long Used_OS_memory = total_OS_memory - free_OS_memory;
        TotalOsMemory       =   total_OS_memory ;
        FreeOsMemory        =   free_OS_memory;
        UsedOsMemory        =   Used_OS_memory;

        // Get internal (data partition) free space for API 18 & Above
        long   total_Internal_memory    = (statInternal. getBlockCountLong()      * statInternal.getBlockSizeLong());
        long   free_Internal_memory     = (statInternal. getAvailableBlocksLong() * statInternal.getBlockSizeLong());
        long Used_Intenal_memory = total_Internal_memory - free_Internal_memory;
        TotalInternalMemory =   total_Internal_memory;
        FreeInternalMemory  =   free_Internal_memory ;
        UsedInternalMemory  =   Used_Intenal_memory ;

        // Get external (SDCARD) free space for API 18 & Above
        long   total_Sdcard_memory      = (statSdcard.   getBlockCountLong()      * statSdcard.getBlockSizeLong());
        long   free_Sdcard_memory       = (statSdcard.   getAvailableBlocksLong() * statSdcard.getBlockSizeLong());
        long Used_Sdcard_memory = tota*emphasized text*l_Sdcard_memory - free_Sdcard_memory;
        TotalSdcardMemory   =   total_Sdcard_memory;
        FreeSdcardMemory    =   free_Sdcard_memory;
        UsedSdcardMemory    =   Used_Sdcard_memory;
    }
}