Created
July 16, 2013 10:25
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package com.tom.utils; | |
import android.os.Environment; | |
import android.os.StatFs; | |
/** | |
* Created by Tom on 7/15/13. | |
* Some helper methods for FS queries. | |
*/ | |
public class DiskUtils { | |
private static final long MEGA_BYTE = 1048576; | |
/** | |
* Calculates total space on disk | |
* @param external If true will query external disk, otherwise will query internal disk. | |
* @return Number of mega bytes on disk. | |
*/ | |
public static int totalSpace(boolean external) | |
{ | |
StatFs statFs = getStats(external); | |
long total = (((long) statFs.getBlockCount()) * ((long) statFs.getBlockSize())) / MEGA_BYTE; | |
return (int) total; | |
} | |
/** | |
* Calculates free space on disk | |
* @param external If true will query external disk, otherwise will query internal disk. | |
* @return Number of free mega bytes on disk. | |
*/ | |
public static int freeSpace(boolean external) | |
{ | |
StatFs statFs = getStats(external); | |
long availableBlocks = statFs.getAvailableBlocks(); | |
long blockSize = statFs.getBlockSize(); | |
long freeBytes = availableBlocks * blockSize; | |
return (int) (freeBytes / MEGA_BYTE); | |
} | |
/** | |
* Calculates occupied space on disk | |
* @param external If true will query external disk, otherwise will query internal disk. | |
* @return Number of occupied mega bytes on disk. | |
*/ | |
public static int busySpace(boolean external) | |
{ | |
StatFs statFs = getStats(external); | |
long total = (statFs.getBlockCount() * statFs.getBlockSize()); | |
long free = (statFs.getAvailableBlocks() * statFs.getBlockSize()); | |
return (int) ((total - free) / MEGA_BYTE); | |
} | |
private static StatFs getStats(boolean external){ | |
String path; | |
if (external){ | |
path = Environment.getExternalStorageDirectory().getAbsolutePath(); | |
} | |
else{ | |
path = Environment.getRootDirectory().getAbsolutePath(); | |
} | |
return new StatFs(path); | |
} | |
} |
Here it is using the new 'long' non deprecated APIs
public class DiskUtils {
private static final long MEGA_BYTE = 1048576;
/**
* Calculates total space on disk
* @param external If true will query external disk, otherwise will query internal disk.
* @return Number of mega bytes on disk.
*/
public static int totalSpace(boolean external)
{
StatFs statFs = getStats(external);
long total = (statFs.getBlockCountLong() * statFs.getBlockSizeLong()) / MEGA_BYTE;
return (int) total;
}
/**
* Calculates free space on disk
* @param external If true will query external disk, otherwise will query internal disk.
* @return Number of free mega bytes on disk.
*/
public static int freeSpace(boolean external)
{
StatFs statFs = getStats(external);
long availableBlocks = statFs.getAvailableBlocksLong();
long blockSize = statFs.getBlockSizeLong();
long freeBytes = availableBlocks * blockSize;
return (int) (freeBytes / MEGA_BYTE);
}
/**
* Calculates occupied space on disk
* @param external If true will query external disk, otherwise will query internal disk.
* @return Number of occupied mega bytes on disk.
*/
public static int busySpace(boolean external)
{
StatFs statFs = getStats(external);
long total = (statFs.getBlockCountLong() * statFs.getBlockSizeLong());
long free = (statFs.getAvailableBlocksLong() * statFs.getBlockSizeLong());
return (int) ((total - free) / MEGA_BYTE);
}
private static StatFs getStats(boolean external){
String path;
if (external){
path = Environment.getExternalStorageDirectory().getAbsolutePath();
}
else{
path = Environment.getRootDirectory().getAbsolutePath();
}
return new StatFs(path);
}
}
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Hi. Also newbie. So before calling those code lines you just drop this file in the
Plugins
folder inside de project I guess... where exactly?