com.android.volley.misc

Class Utils

java.lang.Object

com.android.volley.misc.Utils

public class Utils
extends java.lang.Object

Class containing some static utility methods.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Utils.HorizontallyScrollable Interface for components that are internally scrollable left-to-right.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ANIMATION_FADE_IN_TIME
static java.lang.String	SCHEME_ANDROID_RESOURCE
static java.lang.String	SCHEME_ASSETS
static java.lang.String	SCHEME_CONTENT
static java.lang.String	SCHEME_FILE
static java.lang.String	SCHEME_VIDEO
static java.nio.charset.Charset	US_ASCII
static java.nio.charset.Charset	UTF_8

Method Summary

Methods

Modifier and Type	Method and Description
static void	closeQuietly(java.io.Closeable closeable)
static void	deleteContents(java.io.File dir) Deletes the contents of dir.
static void	enableStrictMode()
static java.io.File	getDiskCacheDir(android.content.Context context, java.lang.String uniqueName) Get a usable cache directory (external if available, internal otherwise).
static java.lang.String	getHeader(org.apache.http.HttpResponse response, java.lang.String key)
static java.lang.String	getSchemeBaseUrl(java.lang.String type, int id)
static java.lang.String	getSchemeBaseUrl(java.lang.String type, java.lang.String url)
static long	getUsableSpace(java.io.File path) Check how much usable space is available at a given path.
static boolean	hasFroyo()
static boolean	hasGingerbread()
static boolean	hasGingerbreadMR1()
static boolean	hasHoneycomb()
static boolean	hasHoneycombMR1()
static boolean	hasJellyBean()
static boolean	hasJellyBeanMR2()
static boolean	hasKitKat()
static boolean	isGzipContent(org.apache.http.HttpResponse response)
static boolean	isSpecialType(java.lang.String url)
static boolean	isSupportRange(org.apache.http.HttpResponse response)
static java.lang.String	readFully(java.io.Reader reader)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ANIMATION_FADE_IN_TIME

public static final int ANIMATION_FADE_IN_TIME

See Also:

Constant Field Values

SCHEME_FILE

public static final java.lang.String SCHEME_FILE

See Also:

Constant Field Values

SCHEME_CONTENT

public static final java.lang.String SCHEME_CONTENT

See Also:

Constant Field Values

SCHEME_ANDROID_RESOURCE

public static final java.lang.String SCHEME_ANDROID_RESOURCE

See Also:

Constant Field Values

SCHEME_VIDEO

public static final java.lang.String SCHEME_VIDEO

See Also:

Constant Field Values

SCHEME_ASSETS

public static final java.lang.String SCHEME_ASSETS

See Also:

Constant Field Values

US_ASCII

public static final java.nio.charset.Charset US_ASCII

UTF_8

public static final java.nio.charset.Charset UTF_8

Method Detail

enableStrictMode

public static void enableStrictMode()

hasFroyo

public static boolean hasFroyo()

hasGingerbread

public static boolean hasGingerbread()

hasGingerbreadMR1

public static boolean hasGingerbreadMR1()

hasHoneycomb

public static boolean hasHoneycomb()

hasHoneycombMR1

public static boolean hasHoneycombMR1()

hasJellyBean

public static boolean hasJellyBean()

hasJellyBeanMR2

public static boolean hasJellyBeanMR2()

hasKitKat

public static boolean hasKitKat()

getUsableSpace

public static long getUsableSpace(java.io.File path)

Check how much usable space is available at a given path.

Parameters:

path - The path to check

Returns:

The space available in bytes

getDiskCacheDir

public static java.io.File getDiskCacheDir(android.content.Context context,
                           java.lang.String uniqueName)

Get a usable cache directory (external if available, internal otherwise).

Parameters:

context - The context to use

uniqueName - A unique directory name to append to the cache dir

Returns:

The cache dir

readFully

public static java.lang.String readFully(java.io.Reader reader)
                                  throws java.io.IOException

Throws:

java.io.IOException

deleteContents

public static void deleteContents(java.io.File dir)
                           throws java.io.IOException

Deletes the contents of dir. Throws an IOException if any file could not be deleted, or if dir is not a readable directory.

Throws:

java.io.IOException

closeQuietly

public static void closeQuietly(java.io.Closeable closeable)

isSpecialType

public static boolean isSpecialType(java.lang.String url)

getSchemeBaseUrl

public static java.lang.String getSchemeBaseUrl(java.lang.String type,
                                java.lang.String url)

getSchemeBaseUrl

public static java.lang.String getSchemeBaseUrl(java.lang.String type,
                                int id)

getHeader

public static java.lang.String getHeader(org.apache.http.HttpResponse response,
                         java.lang.String key)

isSupportRange

public static boolean isSupportRange(org.apache.http.HttpResponse response)

isGzipContent

public static boolean isGzipContent(org.apache.http.HttpResponse response)