Android Open Source - Common-Library S D Card Utils

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License

The source code is released under:

Apache License

Java Source Code

package com.morgan.library.utils;
/*  w ww . j a  va 2 s .  c om*/
import java.io.File;

import android.os.Environment;
import android.os.StatFs;

/**
 * ????SD???????????
 * 
 * @author Morgan.Ji
 * 
 */
public class SDCardUtils {

  public static String getSDCardPath() {
    return Environment.getExternalStorageDirectory().getAbsolutePath();
  }

  public static long getSDCardAvailableBytes() {
    if (isSDCardBusy())
      return 0;
    final File path = Environment.getExternalStorageDirectory();
    final StatFs stat = new StatFs(path.getPath());
    final long blockSize = stat.getBlockSizeLong();
    final long availableBlocks = stat.getAvailableBlocksLong();
    return blockSize * (availableBlocks - 4);
  }

  public static boolean isSDCardBusy() {
    return !Environment.getExternalStorageState().equals(
        Environment.MEDIA_MOUNTED);
  }
}

Java Source Code List

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