Summary: Constants | Ctors | Methods | Inherited Methods | [Expand All]

public class

Environment

extends Object

java.lang.Object
↳	android.os.Environment

Class Overview

Provides access to environment variables.

Summary

Constants
String	MEDIA_BAD_REMOVAL	getExternalStorageState() returns MEDIA_BAD_REMOVAL if the media was removed before it was unmounted.
String	MEDIA_CHECKING	getExternalStorageState() returns MEDIA_CHECKING if the media is present and being disk-checked
String	MEDIA_MOUNTED	getExternalStorageState() returns MEDIA_MOUNTED if the media is present and mounted at its mount point with read/write access.
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.
String	MEDIA_NOFS	getExternalStorageState() returns MEDIA_NOFS if the media is present but is blank or is using an unsupported filesystem
String	MEDIA_REMOVED	getExternalStorageState() returns MEDIA_REMOVED if the media is not present.
String	MEDIA_SHARED	getExternalStorageState() returns MEDIA_SHARED if the media is present not mounted, and shared via USB mass storage.
String	MEDIA_UNMOUNTABLE	getExternalStorageState() returns MEDIA_UNMOUNTABLE if the media is present but cannot be mounted.
String	MEDIA_UNMOUNTED	getExternalStorageState() returns MEDIA_UNMOUNTED if the media is present but not mounted.

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.

[Expand]

Inherited Methods

From class java.lang.Object

Object	clone() Creates and returns a copy of this `Object`.
boolean	equals(Object o) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Is called before the object's memory is being reclaimed by the VM.
final Class<? extends Object>	getClass() Returns the unique instance of Class which represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait(long millis, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait(long millis) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object.

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_CHECKING

getExternalStorageState() returns MEDIA_CHECKING if the media is present and being disk-checked

Constant Value: "checking"

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_NOFS

getExternalStorageState() returns MEDIA_NOFS if the media is present but is blank or is using an unsupported filesystem

Constant Value: "nofs"

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.

Interfaces

Classes

Enums

Exceptions