本文整理汇总了Java中android.os.StatFs.getAvailableBlocks方法的典型用法代码示例。如果您正苦于以下问题:Java StatFs.getAvailableBlocks方法的具体用法?Java StatFs.getAvailableBlocks怎么用?Java StatFs.getAvailableBlocks使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.os.StatFs
的用法示例。
在下文中一共展示了StatFs.getAvailableBlocks方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getUsedSpace
import android.os.StatFs; //导入方法依赖的package包/类
@SuppressLint("NewApi")
@SuppressWarnings("deprecation")
@Override
public long getUsedSpace(SizeUnit sizeUnit) {
String path = buildAbsolutePath();
StatFs statFs = new StatFs(path);
long availableBlocks;
long blockSize;
long totalBlocks;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
availableBlocks = statFs.getAvailableBlocks();
blockSize = statFs.getBlockSize();
totalBlocks = statFs.getBlockCount();
} else {
availableBlocks = statFs.getAvailableBlocksLong();
blockSize = statFs.getBlockSizeLong();
totalBlocks = statFs.getBlockCountLong();
}
long usedBytes = totalBlocks * blockSize - availableBlocks * blockSize;
return usedBytes / sizeUnit.inBytes();
}
示例2: getSDCardAvailableSize
import android.os.StatFs; //导入方法依赖的package包/类
/**
* 获取SD卡可用剩余空间大小(还剩下多少空间)
*
* @return
*/
public static long getSDCardAvailableSize() {
long availableBlockCount;
long blockSize;
if (isSDCardMounted()) {
String dir = getSDCardBaseDir();
//StatFs是从C语言引过来的
StatFs statFs = new StatFs(dir);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
availableBlockCount = statFs.getAvailableBlocksLong();//有多少块
blockSize = statFs.getBlockSizeLong();//每块有多大
} else {
availableBlockCount = statFs.getAvailableBlocks();//有多少块
blockSize = statFs.getBlockSize();//每块有多大
}
return availableBlockCount * blockSize / 1024 / 1024; //总大小
}
return 0;
}
示例3: getAvailableBytes
import android.os.StatFs; //导入方法依赖的package包/类
/**
* Return number of available bytes on the filesystem backing the given
* {@link FileDescriptor}, minus any {@link #RESERVED_BYTES} buffer.
*/
private static long getAvailableBytes(FileDescriptor fd) throws IOException {
try {
//TODO only Sdcard check??
String sdcardDir = Environment.getExternalStorageDirectory().getPath();
StatFs stat = new StatFs(sdcardDir);
long bytesAvailable = 0;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2) {
bytesAvailable = (long)stat.getBlockSizeLong() * (long)stat.getAvailableBlocksLong();
} else {
bytesAvailable = (long)stat.getBlockSize() * (long)stat.getAvailableBlocks();
}
return bytesAvailable - RESERVED_BYTES;
} catch (Exception e) {
throw new IOException("getAvailableBytes IOException");
}
}
示例4: getFreeSpace
import android.os.StatFs; //导入方法依赖的package包/类
/**
* 获得可用存储空间
*
* @return 可用存储空间(单位b)
*/
public long getFreeSpace() {
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(path.getPath());
long blockSize;//区块的大小
long totalBlocks;//区块总数
long availableBlocks;//可用区块的数量
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
blockSize = stat.getBlockSizeLong();
totalBlocks = stat.getBlockCountLong();
availableBlocks = stat.getAvailableBlocksLong();
} else {
blockSize = stat.getBlockSize();
totalBlocks = stat.getBlockCount();
availableBlocks = stat.getAvailableBlocks();
}
Log.e(TAG, "totalSpace:" + blockSize * totalBlocks + "...availableSpace:" + blockSize * availableBlocks);
return blockSize * availableBlocks;
}
示例5: getAvailableInternalDataSize
import android.os.StatFs; //导入方法依赖的package包/类
/**
* @return The available storage in MegaBytes
*/
@SuppressWarnings("deprecation")
public static Long getAvailableInternalDataSize() {
StatFs stat = new StatFs(Environment.getDataDirectory().getPath());
long size = (long) stat.getAvailableBlocks() * (long) stat.getBlockSize();
return size / AirSdcard.BYTES_TO_MB;
}
示例6: getFreeSpaceBytes
import android.os.StatFs; //导入方法依赖的package包/类
/**
* 获取空闲的空间大小
* @param path 文件路径
* @return 空间大小
*/
public static long getFreeSpaceBytes(final String path) {
long freeSpaceBytes;
final StatFs statFs = new StatFs(path);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
freeSpaceBytes = statFs.getAvailableBytes();
} else {
//noinspection deprecation
freeSpaceBytes = statFs.getAvailableBlocks() * (long) statFs.getBlockSize();
}
return freeSpaceBytes;
}
示例7: b
import android.os.StatFs; //导入方法依赖的package包/类
public static d b(File file) {
d dVar = new d();
dVar.a(file);
StatFs statFs = new StatFs(file.getAbsolutePath());
long blockSize = (long) statFs.getBlockSize();
long availableBlocks = (long) statFs.getAvailableBlocks();
dVar.a(((long) statFs.getBlockCount()) * blockSize);
dVar.b(blockSize * availableBlocks);
return dVar;
}
示例8: getFreeBytes
import android.os.StatFs; //导入方法依赖的package包/类
/**
* Gets the remaining number of bytes of available capacity in the space in the specified path, in units byte
*
* @param filePath file path
* @return Capacity bytes, SDCard, free space, internal storage, free space
*/
public static long getFreeBytes(String filePath) {
// If it is the next path of the SD card, the available capacity of the SD card is obtained.
if (filePath.startsWith(getSDCardPath())) {
filePath = getSDCardPath();
} else {// If the path is stored inside, the available capacity of obtaining memory.
filePath = Environment.getDataDirectory().getAbsolutePath();
}
StatFs stat = new StatFs(filePath);
long availableBlocks = (long) stat.getAvailableBlocks() - 4;
return stat.getBlockSize() * availableBlocks;
}
示例9: getSDAvailableSize
import android.os.StatFs; //导入方法依赖的package包/类
private String getSDAvailableSize()
{
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long availableBlocks = stat.getAvailableBlocks();
return Formatter.formatFileSize(this, blockSize * availableBlocks);
}
示例10: getSDSize
import android.os.StatFs; //导入方法依赖的package包/类
/**
* 获取SD卡剩余空间的大小
*
* @return long SD卡剩余空间的大小(单位:byte)
*/
public static long getSDSize()
{
final String str = Environment.getExternalStorageDirectory().getPath();
final StatFs localStatFs = new StatFs(str);
final long blockSize = localStatFs.getBlockSize();
return localStatFs.getAvailableBlocks() * blockSize;
}
示例11: getDirSize
import android.os.StatFs; //导入方法依赖的package包/类
/**
* 获取某个目录可用大小.
*/
@SuppressLint({"NewApi", "ObsoleteSdkInt"})
@SuppressWarnings("deprecation")
public static long getDirSize(String path) {
StatFs stat = new StatFs(path);
long blockSize, availableBlocks;
if (Build.VERSION.SDK_INT >= 18) {
blockSize = stat.getBlockSizeLong();
availableBlocks = stat.getAvailableBlocksLong();
} else {
blockSize = stat.getBlockSize();
availableBlocks = stat.getAvailableBlocks();
}
return availableBlocks * blockSize;
}
示例12: getFreeSpaceInBytes
import android.os.StatFs; //导入方法依赖的package包/类
/**
* Given a path return the number of free bytes in the filesystem containing the path.
*
* @param path to the file system
* @return free space in bytes
*/
public static long getFreeSpaceInBytes(String path) {
try {
StatFs stat = new StatFs(path);
long blockSize = stat.getBlockSize();
long availableBlocks = stat.getAvailableBlocks();
return availableBlocks * blockSize;
} catch (IllegalArgumentException e) {
// The path was invalid. Just return 0 free bytes.
return 0;
}
}
示例13: getAvailableStorage
import android.os.StatFs; //导入方法依赖的package包/类
public static long getAvailableStorage() {
try {
StatFs stat = new StatFs(Environment.getExternalStorageDirectory().toString());
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
return stat.getAvailableBlocksLong() * stat.getBlockSizeLong();
} else {
return (long) stat.getAvailableBlocks() * (long) stat.getBlockSize();
}
} catch (RuntimeException ex) {
return 0;
}
}
示例14: computeSpace
import android.os.StatFs; //导入方法依赖的package包/类
private void computeSpace() {
StatFs stat = new StatFs(mountPoint);
long bytesAvailable;
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1) {
bytesAvailable = stat.getAvailableBlocksLong() * stat.getBlockSizeLong();
} else {
//noinspection deprecation
bytesAvailable = (long) stat.getAvailableBlocks() * (long) stat.getBlockSize();
}
// Convert total bytes to megabytes
freeSpace = Math.round(bytesAvailable / (1024 * 1024));
}
示例15: getSDCardAllSize
import android.os.StatFs; //导入方法依赖的package包/类
/**
* Gets the remaining capacity unit of SD card byte
*
* @return Remaining capacity unit of SD card byte
*/
public static long getSDCardAllSize() {
if (isSDCardEnable()) {
StatFs stat = new StatFs(getSDCardPath());
// Gets the number of free blocks of data
long availableBlocks = (long) stat.getAvailableBlocks() - 4;
// Gets the size of a single block of data (byte)
long freeBlocks = stat.getAvailableBlocks();
return freeBlocks * availableBlocks;
}
return 0;
}