Android - An Open Handset Alliance Project

android.os
public class

android.os.Environment

java.lang.Object
	android.os.Environment

Provides access to environment variables.

Summary

Constants

			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_MOUNTED 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_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	getDrmContentDirectory()
		Gets the Android DRM 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()
		Answers 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 answers 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	getClass()
		Answers the unique instance of java.lang.Class which represents the class of the receiver.
	int	hashCode()
		Answers 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()
		Answers 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_MOUNTED 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_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 getDrmContentDirectory()

Gets the Android DRM 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.

Android - An Open Handset Alliance Project

Documentation

Goodies

android.os.Environment

Summary

Constants

Public Constructors

Public Methods

Methods inherited from class java.lang.Object

Details

Constants

public static final String MEDIA_BAD_REMOVAL

public static final String MEDIA_MOUNTED

public static final String MEDIA_MOUNTED_READ_ONLY

public static final String MEDIA_REMOVED

public static final String MEDIA_SHARED

public static final String MEDIA_UNMOUNTED

Public Constructors

public Environment()

Public Methods

public static File getDataDirectory()

public static File getDrmContentDirectory()

public static File getExternalStorageDirectory()

public static String getExternalStorageState()

public static File getRootDirectory()


e.g. "intent" or "activity"