Example usage for android.os StatFs getBlockCountLong

Introduction

In this page you can find the example usage for android.os StatFs getBlockCountLong.

Prototype

public long getBlockCountLong() 

Source Link

Document

The total number of blocks on the file system.

Usage

From source file:Main.java

/**
 * Helper method to calculate the proper size limit of a cache instance.
 *///from w w  w . j a  v a  2 s  .  com
public static long getCacheSizeInBytes(File dir, float cacheSizePercent, long maxSizeInBytes) {
    if (dir == null || (!dir.exists() && !dir.mkdir())) {
        return 0;
    }
    try {
        StatFs stat = new StatFs(dir.getPath());
        long totalBytes = stat.getBlockCountLong() * stat.getBlockSizeLong();
        long freeBytes = stat.getAvailableBlocksLong() * stat.getBlockSizeLong();
        long desiredBytes = Math.min((long) (totalBytes * cacheSizePercent), maxSizeInBytes);
        // If free space is less than desired, use half of the free disk space instead.
        desiredBytes = (desiredBytes > freeBytes) ? freeBytes / 2 : desiredBytes;
        return desiredBytes;
    } catch (IllegalArgumentException e) {
        return 0;
    }
}

---

From source file:Main.java

/**
 * Returns the amount of storage currently available in the cache.
 *
 * @param dir The cache directory path name.
 * @return The amount of storage available in bytes.
 */// w  w  w. jav a  2s  .c o  m
public static long calculateDiskCacheSize(File dir) {
    long size = MIN_DISK_CACHE_SIZE;

    try {
        StatFs statFs = new StatFs(dir.getAbsolutePath());
        long available = statFs.getBlockCountLong() * statFs.getBlockSizeLong();
        // Target 2% of the total space.
        size = available * MAX_DISK_CACHE_AS_PERCENT / 100;
    } catch (IllegalArgumentException ignored) {
    }

    // Bound inside min/max size for disk cache.
    return Math.max(Math.min(size, MAX_DISK_CACHE_SIZE), MIN_DISK_CACHE_SIZE);
}

---

From source file:Main.java

/**
 * **********************************************************************************************
 * Returns size in MegaBytes./*from   w w  w  .j  av a2 s  .  c o m*/
 *
 * @author Dan
 * <p/>
 * If you need calculate external memory, change this: StatFs statFs
 * = new StatFs(Environment.getRootDirectory().getAbsolutePath());
 * to this: StatFs statFs = new
 * StatFs(Environment.getExternalStorageDirectory
 * ().getAbsolutePath());
 * ************************************************************************************************
 */
public static long TotalMemory() {
    StatFs statFs = new StatFs(Environment.getExternalStorageDirectory().getAbsolutePath());
    long Total = (statFs.getBlockCountLong() * statFs.getBlockSize()) / 1048576;
    return Total;
}

---

From source file:Main.java

/**
 * Gets the free disk space at the specified location.
 *
 * @param dir/*w  w w . j a v a2  s  .com*/
 *         the directory linking to the filesystem to query
 * @return the free disk space at {@code dir} in bytes
 */
private static long getFreeDiskSpace(File dir) {
    StatFs statFs = new StatFs(dir.getAbsolutePath());
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        return statFs.getBlockCountLong() * statFs.getBlockSizeLong();
    } else {
        //noinspection deprecation
        return statFs.getBlockCount() * statFs.getBlockSize();
    }
}

---

From source file:Main.java

@SuppressWarnings("deprecation")
@SuppressLint("NewApi")
public static boolean getSDCardRemainCanWrite(Context context, long remainSize) {
    String path = getSDCardDataPath(context);
    StatFs statFS = new StatFs(path);
    long blockSize = 0L;
    if (getSDKInt() >= 18) {
        blockSize = statFS.getBlockCountLong();
    } else {/* w  w  w  . j a va2  s. c  om*/
        blockSize = statFS.getBlockSize();
    }
    long availableBlock = 0L;
    if (getSDKInt() >= 18) {
        availableBlock = statFS.getAvailableBlocksLong();
    } else {
        availableBlock = statFS.getAvailableBlocks();
    }
    long size = blockSize * availableBlock;
    if (size > remainSize) {
        return true;
    }

    return false;
}

---

From source file:Main.java

static long calculateApiDiskCacheSize(File dir) {
    long size = MIN_DISK_API_CACHE_SIZE;

    try {//from   w  ww .  j ava2  s.co m
        StatFs statFs = new StatFs(dir.getAbsolutePath());
        long available;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            available = statFs.getBlockCountLong() * statFs.getBlockSizeLong();
        } else {
            available = ((long) statFs.getBlockCount()) * statFs.getBlockSize();
        }
        // Target 2% of the total space.
        size = available / 50;
    } catch (IllegalArgumentException ignored) {
    }

    // Bound inside min/max size for disk cache.
    return Math.max(Math.min(size, MAX_DISK_API_CACHE_SIZE), MIN_DISK_API_CACHE_SIZE);
}

---

From source file:Main.java

/**
 * Calculates the total memory of the device. This is based on an inspection of the filesystem, which in android
 * devices is stored in RAM.//  w  ww.java  2 s.  co m
 *
 * @return Total number of bytes.
 */
public static long getTotalInternalMemorySize() {
    final File path = Environment.getDataDirectory();
    final StatFs stat = new StatFs(path.getPath());
    final long blockSize;
    final long totalBlocks;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        blockSize = stat.getBlockSizeLong();
        totalBlocks = stat.getBlockCountLong();
    } else {
        //noinspection deprecation
        blockSize = stat.getBlockSize();
        //noinspection deprecation
        totalBlocks = stat.getBlockCount();
    }
    return totalBlocks * blockSize;
}

---

From source file:Main.java

@SuppressWarnings("deprecation")
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
private static long getAvailable(final File dir) {
    final StatFs statFs = new StatFs(dir.getAbsolutePath());
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
        return ((long) statFs.getBlockCount()) * statFs.getBlockSize();
    }// w w w  .j  a  v a  2 s .  c o  m
    return statFs.getBlockCountLong() * statFs.getBlockSizeLong();
}

---

From source file:com.squareup.picasso3.Utils.java

static long calculateDiskCacheSize(File dir) {
    long size = MIN_DISK_CACHE_SIZE;

    try {/*  ww w  . j a v  a2 s .  c o  m*/
        StatFs statFs = new StatFs(dir.getAbsolutePath());
        //noinspection deprecation
        long blockCount = SDK_INT < JELLY_BEAN_MR2 ? (long) statFs.getBlockCount() : statFs.getBlockCountLong();
        //noinspection deprecation
        long blockSize = SDK_INT < JELLY_BEAN_MR2 ? (long) statFs.getBlockSize() : statFs.getBlockSizeLong();
        long available = blockCount * blockSize;
        // Target 2% of the total space.
        size = available / 50;
    } catch (IllegalArgumentException ignored) {
    }

    // Bound inside min/max size for disk cache.
    return Math.max(Math.min(size, MAX_DISK_CACHE_SIZE), MIN_DISK_CACHE_SIZE);
}

---

From source file:mx.klozz.xperience.tweaker.fragments.DiskInfo.java

public static long Totalbytes(File f) {
    StatFs stat = new StatFs(f.getPath());
    //return (long) stat.getBlockSize() * (long) stat.getBlockCount(); Deprecated xD the same of the last :)
    return stat.getBlockSizeLong() * stat.getBlockCountLong();
}

---

• «
• 1
• 2
• »