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Android ÀÇ Storage Path ¹× ÄÚµå ±¸Çö ±â¼ú
7³â Àü
¾Èµå·ÎÀÌµå ¾Û¿¡¼­ ½ºÅ丮Áö¿¡ ÆÄÀÏÀ» ¾²°í Àбâ À§Çؼ­´Â ¸Þ´ÏÆ佺Ʈ (AndroidManifest.xml) ÆÄÀÏ¿¡ ´ÙÀ½°ú °°Àº ±ÇÇÑÀ» ±â·ÏÇØÁà¾ß ÇÑ´Ù.

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />


# ¿ÜÀå ¸Þ¸ð¸® (SD CARD)ÀÇ Àý´ë °æ·Î ¾Ë¾Æ³»±â

String sdcardPath = null;
String sdcardStat = Environment.getExternalStorageState();
if(sdcardStat.equals(Environment.MEDIA_MOUNTED))
{
sdcardPath = Environment.getExternalStorageDirectory().getAbsolutePath();
}

¿©±â¿¡¼­ »ý°¢ÇØ¾ß ÇÒ ³»¿ëÀÌ ÀÖ´Ù. ¸¸¾à ¾Èµå·ÎÀÌµå ±â±â¿¡ ¿ÜÀå ¸Þ¸ð¸®°¡ ÇÑ°³ ÀÌ»óÀÎ °æ¿ì¿¡´Â ¾î¶°ÇÒ±î...
Android ¿¡¼­ Á¦°øµÇ´Â Environment Ŭ·¡½º¿¡¼­ getExternalStorageDirectory() ÇÔ¼öÀÇ Äڵ带 »ìÆ캸ÀÚ.

    public static File getExternalStorageDirectory() {
        throwIfUserRequired();
        return sCurrentUser.getExternalDirsForApp()[0];
    }

ÀÌ·¸°Ô getExternalStorageDirectory ÇÔ¼ö´Â ÇöÀçÀÇ »ç¿ëÀÚ (±â±â¿¡ ·Î±×¿Â ÇÑ »ç¿ëÀÚ, Ãʱ⿡´Â ÀÌ·± ³»¿ëÀÌ ¾ø¾ú´Âµ¥ ¸ð¹ÙÀÏ ±â±â¸¦ °³Àοë ȤÀº ¾÷¹«¿ëÀ¸·Î º´¿ëÀ¸·Î »ç¿ëÇÒ ¼ö ÀÖ°Ô Çϱâ À§Çؼ­ »ç¿ëÀÚ °³³äÀ» µµÀÔÇÔ) ÀÇ ÇØ´ç ¾Û(App) ¿¡ Á¦°øµÇ´Â ¿ÜÀå µð·ºÅ丮 ÆÄÀϵéÀÇ ÇÚµé ù¹ø°¸¦ °¡Á®¿À°Ô µÇ¾î ÀÖ´Ù.

ÇöÀç ´ëºÎºÐÀÇ ¾Èµå·ÎÀÌµå ±â±â´Â ¿ÜÀå ¸Þ¸ð¸®¸¦ 1°³ ¹Û¿¡ žÀçÇÏÁö ¸øÇÑ´Ù. ±×°ÍÀº ±â±âÀÇ Å©±â ¹× È޴뼺 µîÀ» °í·ÁÇÏ°í ¶ÇÇÑ SD Ä«µåÀÇ ´ÜÀÏ ¿ë·®ÀÌ °è¼Ó Áõ°¡ÇÏ´Â Ãß¼¼À̱⠶§¹®¿¡ ±»ÀÌ ¾Û¿¡¼­ À̸¦ °í·ÁÇÒ ÇÊ¿ä´Â ¾ø¾î º¸ÀδÙ. ÇÏÁö¸¸, ¹Ì·¡¿¡´Â ¾î¶² ±â±â°¡ ³ª¿ÃÁö ¸ð¸£±â ¶§¹®¿¡ ´ëóÇÏ´Â Çö¸íÇÔÀÌ ÇÊ¿äÇÒ °Í °°´Ù.

Âü°í·Î getExternalStorageState() ÇÔ¼öµµ ù¹ø° ¿ÜÀå ½ºÅ丮Áö ÆнºÀÇ »óŸ¦ µ¹·ÁÁØ´Ù.

    public static String getExternalStorageState() {
        final File externalDir = sCurrentUser.getExternalDirsForApp()[0];
        return getExternalStorageState(externalDir);
    }



ÀÌÁ¦ sdcardPath ¸¦ °¡Á®¿Â °á°úÀÇ ¿¹¸¦ »ìÆ캸ÀÚ.

Android SDK: 19 (4.4.4)
/storage/emulated/0

Android SDK: 21 (5.0.2)
/storage/sdcard

Android SDK: 23 (6.0)
/storage/emulated/0

ÀÌ¿Í°°ÀÌ ¾Èµå·ÎÀ̵åÀÇ ºôµå ¹öÀü ȤÀº µð¹ÙÀ̽ºÀÇ Á¦Á¶»ç µî¿¡ µû¶ó¼­ ´Ù¸¦ ¼ö Àִٴ°Ϳ¡ À¯ÀǸ¦ ÇØ¾ß ÇÒ °ÍÀÌ´Ù.

±×·±µ¥ ¿©±â¼­ ¶ÇÇϳª ÁÖÀÇÇØ¾ß ÇÒ »çÇ×ÀÌ ÀÖ´Ù. °ú¿¬ getExternalStorageDirectory °¡ ¿ì¸®°¡ »ý°¢ÇÏ´Â ¿ÜÀå SD Ä«µå¸¦ ¶æÇÒ±î? ±×·¸°Ô ¿ÀÇØÇÒ ¼ö ÀÖ´Ù. ÇÔ¼ö À̸§¿¡ ExternalStorage ¶ó´Â ³»¿ëÀÌ Àֱ⠶§¹®¿¡ ´ç¿¬È÷ ±×·¸°Ô ¿ÀÇØ ÇÒ ¼ö ÀÖ´Ù.

ÇÏÁö¸¸ ½Ç»óÀº ±×·¸Áö ¾Ê´Ù. ¿©±â¼­ ¸»ÇÏ´Â External Storage ´Â µð¹ÙÀ̽º ÀåÄ¡ÀÇ ³»Àå ½ºÅ丮ÁöÀÇ ÆнºÀÌ´Ù.
¾Èµå·ÎÀ̵å´Â Å©°Ô 2 °¡ÁöÀÇ (ȤÀº ±× ÀÌ»ó)ÀÇ ½ºÅ丮Áö ¿µ¿ªÀ» °¡Áø´Ù.

- System Storage
- External Storage(s)

"/" ·Î Ç¥ÇöµÇ´Â ·çÆ® Æú´õ°¡ System ¿µ¿ªÀÌ´Ù. ¶ÇÇÑ ¸ðµç Storage Path ´Â System ¿µ¿ª¿¡ ƯÁ¤ Æнº·Î ¸¶¿îÆ® µÇ¾îÁø´Ù.




# ½½·Ô¿¡ ²ÈÀº ¿ÜÀå ¸Þ¸ð¸®ÀÇ Àý´ë °æ·Î ¾Ë¾Æ³»±â

¾Æ½±°Ôµµ Áö±Ý±îÁöÀÇ ¾Èµå·ÎÀ̵忡¼­ Á¦°øÇÏ´Â API Áß¿¡ ½½·Ô¿¡ ²È¾ÆÁ® ÀÖ´Â ¿ÜÀå ¸Þ¸ð¸®ÀÇ Æнº (¸¶¿îÆ® Æ÷ÀÎÆ®) ¸¦ ¾Ë·ÁÁÖ´Â API ´Â ¾ø´Â°Í °°´Ù.
´Ü, ´ÙÀ½°ú °°Àº ¹æ¹ýÀ¸·Î ÇØ´ç Æнº¸¦ ¾Ë¾Æ³»´Â ¹æ¹ýÀÌ´Ù.

String legacyPath = System.getenv("EXTERNAL_STORAGE");
String secondaryPath = System.getenv("SECONDARY_STORAGE");

°¢°¢ÀÇ Ãâ·ÂÀº ´ÙÀ½°ú °°´Ù. (Á¦Á¶»ç ¸¶´Ù ´Ù¸¦ ¼ö ÀÖÀ½)
/storage/emulated/legacy
/storage/extSdCard

¿©±â¼­ ¿ì¸®´Â µÎ¹ø° ½ºÅ丮ÁöÀÇ ¶æÀÎ "SECONDARY_STORAGE" °ªÀ¸·Î °¡Á®¿Â °á°ú¸¦ »ç¿ëÇÏ¸é µÉ °ÍÀÌ´Ù. ¾Æ½±°Ôµµ Áö¿øÀÌ ¾ÈµÇ´Â µð¹ÙÀ̽ºÀÇ °æ¿ì°¡ ¸¹´Ù. µû¶ó¼­, ÀÌ ¹æ¹ýÀ¸·Î ¾ÛÀ» ¸¸µç´Ù¸é ¿øÄ¡¾Ê°Ô ºÒ·® ¾ÛÀÌ µÉ ¼ö ÀÖ´Ù.

°á±¹ ´ÙÀ½°ú °°Àº Ŭ·¡½º ÇÔ¼ö¸¦ ¸¸µé¾î »ç¿ëÇÏ¸é µÈ´Ù.

public class SDCard
{
public static String getExternalSDCardPath()
{
HashSet<String> hs = getExternalMounts();
for(String extSDCardPath : hs)
{
return extSDCardPath;
}
return null;
}

public static HashSet<String> getExternalMounts()
{
final HashSet<String> out = new HashSet<String>();
//String reg = "(?i).*vold.*(vfat|ntfs|exfat|fat32|ext3|ext4).*rw.*";
String reg = "(?i).*media_rw.*(storage).*(sdcardfs).*rw.*";
String s = "";
try
{
final Process process = new ProcessBuilder().command("mount").redirectErrorStream(true).start();
process.waitFor();
final InputStream is = process.getInputStream();
final byte[] buffer = new byte[1024];
while (is.read(buffer) != -1)
{
s = s + new String(buffer);
}
is.close();
}
catch (final Exception e)
{
e.printStackTrace();
}

// parse output
final String[] lines = s.split("\n");
for (String line : lines)
{
if (!line.toLowerCase(Locale.US).contains("asec"))
{
if (line.matches(reg))
{
String[] parts = line.split(" ");
for (String part : parts)
{
if (part.startsWith("/"))
{
if (!part.toLowerCase(Locale.US).contains("vold") && !part.toLowerCase(Locale.US).contains("/mnt/"))
{
out.add(part);
}
}
}
}
}
}

return out;
}
}
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