com.vk.sdk.util

Class VKUtil

java.lang.Object

com.vk.sdk.util.VKUtil

public class VKUtil
extends java.lang.Object

Various useful functions

Constructor Summary

Constructors

Constructor and Description
VKUtil()

Method Summary

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,java.lang.String>	explodeQueryString(java.lang.String queryString) Breaks key=value&key=value string to map
static java.lang.String	fileToString(java.lang.String filename) Reads content of file, and returns result as string
static java.lang.String	getApplicationName(android.content.Context ctx) Finds current application name
static java.lang.String[]	getCertificateFingerprint(android.content.Context ctx, java.lang.String packageName) Get current certificate fingerprint
static java.lang.String	getHost(java.lang.String url) Will take a url such as http://www.stackoverflow.com and return www.stackoverflow.com Author: aioobe http://stackoverflow.com/a/4826122/1271424
static boolean	isAppInstalled(android.content.Context context, java.lang.String uri) Check if package installed
static boolean	isIntentAvailable(android.content.Context context, java.lang.String action) Check if action available installed
static java.util.Map<java.lang.String,java.lang.Object>	mapFrom(java.lang.Object... args) Builds map from list of strings
static java.lang.String	md5(java.lang.String s) Returns md5 hash of string
static VKParameters	paramsFrom(java.lang.Object... args)
static void	stringToFile(java.lang.String filename, java.lang.String stringToWrite) Saves passed string to file

Methods inherited from class java.lang.Object

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

Constructor Detail

VKUtil

public VKUtil()

Method Detail

explodeQueryString

@Nullable
public static java.util.Map<java.lang.String,java.lang.String> explodeQueryString(@Nullable
                                                                                            java.lang.String queryString)

Breaks key=value&key=value string to map

Parameters:

queryString - string to explode

Returns:

Key-value map of passed string

fileToString

public static java.lang.String fileToString(java.lang.String filename)
                                     throws java.io.IOException

Reads content of file, and returns result as string

Parameters:

filename - path to file

Returns:

Contents of file

Throws:

java.io.IOException

stringToFile

public static void stringToFile(java.lang.String filename,
                                java.lang.String stringToWrite)

Saves passed string to file

Parameters:

filename - path to file

stringToWrite - string to save

md5

public static java.lang.String md5(java.lang.String s)

Returns md5 hash of string

Parameters:

s - string to hash

Returns:

md5 hash

getCertificateFingerprint

public static java.lang.String[] getCertificateFingerprint(android.content.Context ctx,
                                                           java.lang.String packageName)

Get current certificate fingerprint

Parameters:

ctx - context of application

packageName - your package name

Returns:

Base64 packed SHA fingerprint of your packet certificate

mapFrom

public static java.util.Map<java.lang.String,java.lang.Object> mapFrom(java.lang.Object... args)

Builds map from list of strings

Parameters:

args - key-value pairs for build a map. Must be a multiple of 2

Returns:

Result map. If args not multiple of 2, last argument will be ignored

paramsFrom

public static VKParameters paramsFrom(java.lang.Object... args)

isAppInstalled

public static boolean isAppInstalled(android.content.Context context,
                                     java.lang.String uri)

Check if package installed

Parameters:

context - Context of current app

uri - Package of application to check

Returns:

true if passed package installed

isIntentAvailable

public static boolean isIntentAvailable(android.content.Context context,
                                        java.lang.String action)

Check if action available installed

Parameters:

context - Context of current app

action - Package of application to check

Returns:

true if passed package installed

getApplicationName

public static java.lang.String getApplicationName(android.content.Context ctx)

Finds current application name

Parameters:

ctx - context of application

Returns:

Name of current application

getHost

public static java.lang.String getHost(java.lang.String url)

Will take a url such as http://www.stackoverflow.com and return www.stackoverflow.com Author: aioobe http://stackoverflow.com/a/4826122/1271424

Parameters:

url - url need to find host

Returns:

host name of given url