是否有可能获得总存储容量？

Question

我知道如何在内部存储器和外部存储器上获得可用容量。

但是我想知道内部存储器的最大容量和外部存储器的最大容量，但是我在Google上找不到关于它的任何信息

有可能实现吗？

谢谢

Answer 1

API 18中引入了一些新方法。这是我用来获取总存储量（内部+外部）的代码。

private static final long KILOBYTE = 1024;

StatFs internalStatFs = new StatFs( Environment.getRootDirectory().getAbsolutePath() );
long internalTotal;
long internalFree;

StatFs externalStatFs = new StatFs( Environment.getExternalStorageDirectory().getAbsolutePath() );
long externalTotal;
long externalFree;

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
    internalTotal = ( internalStatFs.getBlockCountLong() * internalStatFs.getBlockSizeLong() ) / ( KILOBYTE * KILOBYTE );
    internalFree = ( internalStatFs.getAvailableBlocksLong() * internalStatFs.getBlockSizeLong() ) / ( KILOBYTE * KILOBYTE );
    externalTotal = ( externalStatFs.getBlockCountLong() * externalStatFs.getBlockSizeLong() ) / ( KILOBYTE * KILOBYTE );
    externalFree = ( externalStatFs.getAvailableBlocksLong() * externalStatFs.getBlockSizeLong() ) / ( KILOBYTE * KILOBYTE );
}
else {
    internalTotal = ( (long) internalStatFs.getBlockCount() * (long) internalStatFs.getBlockSize() ) / ( KILOBYTE * KILOBYTE );
    internalFree = ( (long) internalStatFs.getAvailableBlocks() * (long) internalStatFs.getBlockSize() ) / ( KILOBYTE * KILOBYTE );
    externalTotal = ( (long) externalStatFs.getBlockCount() * (long) externalStatFs.getBlockSize() ) / ( KILOBYTE * KILOBYTE );
    externalFree = ( (long) externalStatFs.getAvailableBlocks() * (long) externalStatFs.getBlockSize() ) / ( KILOBYTE * KILOBYTE );
}

long total = internalTotal + externalTotal;
long free = internalFree + externalFree;
long used = total - free;

Answer 2

StatFs stat = new StatFs(Environment.getExternalStorageDirectory().getPath());
long bytesAvailable = stat.getBlockSizeLong() * stat.getBlockCountLong();
long megAvailable = bytesAvailable / 1048576;

来源

另外，将其用于内部尺寸。

StatFs stat = new StatFs(Environment.getDataDirectory().getPath());