android.os.Environment

 http://www.chinaup.org/docs/reference/android/os/Environment.html

 

   Value 
String  MEDIA_BAD_REMOVAL  getExternalStorageState() returns MEDIA_BAD_REMOVAL if the media was removed before it was unmounted. 

"bad_removal" 
String  MEDIA_MOUNTED  getExternalStorageState() returns MEDIA_MOUNTED if the media is present and mounted at its mount point

with read/write access.  "mounted" 
String  MEDIA_MOUNTED_READ_ONLY  getExternalStorageState() returns MEDIA_MOUNTED_READ_ONLY if the media is present and mounted at

its mount point with read only access.  "mounted_ro" 
String  MEDIA_REMOVED  getExternalStorageState() returns MEDIA_REMOVED if the media is not present.  "removed" 
String  MEDIA_SHARED  getExternalStorageState() returns MEDIA_SHARED if the media is present not mounted, and shared via USB mass

storage.  "shared" 
String  MEDIA_UNMOUNTABLE  getExternalStorageState() returns MEDIA_UNMOUNTABLE if the media is present but cannot be mounted. 

"unmountable" 
String  MEDIA_UNMOUNTED  getExternalStorageState() returns MEDIA_UNMOUNTED if the media is present but not mounted.  "unmounted" 

Public Constructors
      Environment()

Public Methods
   static   File  getDataDirectory()
 Gets the Android data directory.
   static   File  getDownloadCacheDirectory()
 Gets the Android Download/Cache content directory.
   static   File  getExternalStorageDirectory()
 Gets the Android external storage directory.
   static   String  getExternalStorageState()
 Gets the current state of the external storage device.
   static   File  getRootDirectory()
 Gets the Android root directory.

 Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
     Object  clone()
 Returns a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the

receiver.
     boolean  equals(Object o)
 Compares the argument to the receiver, and returns true if they represent the same object using a class specific comparison.
     void  finalize()
 Called by the virtual machine when there are no longer any (non-weak) references to the receiver.
  final    Class<? extends Object>  getClass()
 Returns the unique instance of java.lang.Class which represents the class of the receiver.
     int  hashCode()
 Returns an integer hash code for the receiver.
  final    void  notify()
 Causes one thread which is wait ing on the receiver to be made ready to run.
  final    void  notifyAll()
 Causes all threads which are wait ing on the receiver to be made ready to run.
     String  toString()
 Returns a string containing a concise, human-readable description of the receiver.
  final    void  wait(long time, int frac)
 Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated

by notify or notifyAll) or the expiration of the timeout.
  final    void  wait(long time)
 Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated

by notify or notifyAll) or the expiration of the timeout.
  final    void  wait()
 Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by

notify or notifyAll).

 

Details

Constants

public static final String MEDIA_BAD_REMOVAL
getExternalStorageState() returns MEDIA_BAD_REMOVAL if the media was removed before it was unmounted.
Constant Value: "bad_removal"

public static final String MEDIA_MOUNTED
getExternalStorageState() returns MEDIA_MOUNTED if the media is present and mounted at its mount point with read/write access.
Constant Value: "mounted"

public static final String MEDIA_MOUNTED_READ_ONLY
getExternalStorageState() returns MEDIA_MOUNTED_READ_ONLY if the media is present and mounted at its mount point with read only

access.
Constant Value: "mounted_ro"

public static final String MEDIA_REMOVED
getExternalStorageState() returns MEDIA_REMOVED if the media is not present.
Constant Value: "removed"

public static final String MEDIA_SHARED
getExternalStorageState() returns MEDIA_SHARED if the media is present not mounted, and shared via USB mass storage.
Constant Value: "shared"

public static final String MEDIA_UNMOUNTABLE
getExternalStorageState() returns MEDIA_UNMOUNTABLE if the media is present but cannot be mounted. Typically this happens if the

file system on the media is corrupted.
Constant Value: "unmountable"

public static final String MEDIA_UNMOUNTED
getExternalStorageState() returns MEDIA_UNMOUNTED if the media is present but not mounted.
Constant Value: "unmounted"

Public Constructors

public Environment()

Public Methods

public static File getDataDirectory()
Gets the Android data directory.

public static File getDownloadCacheDirectory()
Gets the Android Download/Cache content directory.

public static File getExternalStorageDirectory()
Gets the Android external storage directory.

public static String getExternalStorageState()
Gets the current state of the external storage device.

public static File getRootDirectory()
Gets the Android root directory.