実行コード
System.out.println(Environment.getExternalStorageDirectory());
System.out.println(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES));
System.out.println(Environment.getDataDirectory());
System.out.println(Environment.getDownloadCacheDirectory());
System.out.println(Environment.getRootDirectory());
出力
IS05
12-05 13:06:18.223: INFO/System.out(22021): /mnt/sdcard
12-05 13:06:18.223: INFO/System.out(22021): /mnt/sdcard/Pictures
12-05 13:06:18.223: INFO/System.out(22021): /data
12-05 13:06:18.223: INFO/System.out(22021): /data/cache
12-05 13:06:18.223: INFO/System.out(22021): /system
Nexus7
12-05 13:06:26.394: INFO/System.out(25815): /storage/emulated/0
12-05 13:06:26.394: INFO/System.out(25815): /storage/emulated/0/Pictures
12-05 13:06:26.394: INFO/System.out(25815): /data
12-05 13:06:26.394: INFO/System.out(25815): /cache
12-05 13:06:26.394: INFO/System.out(25815): /system
12-05 13:23:17.621: INFO/System.out(1194): /mnt/sdcard
12-05 13:23:17.621: INFO/System.out(1194): /mnt/sdcard/Pictures
12-05 13:23:17.621: INFO/System.out(1194): /data
12-05 13:23:17.621: INFO/System.out(1194): /cache
12-05 13:23:17.621: INFO/System.out(1194): /system