cn.jzvd

类 JZUtils

java.lang.Object

cn.jzvd.JZUtils

public class JZUtils
extends java.lang.Object

Created by Nathen On 2016/02/21 12:25

构造器概要

构造器

构造器和说明
JZUtils()

方法概要

限定符和类型	方法和说明
static void	clearSavedProgress(android.content.Context context, java.lang.String url) if url == null, clear all progress
static int	dip2px(android.content.Context context, float dpValue)
static AppCompatActivity	getAppCompActivity(android.content.Context context) Get AppCompatActivity from context
static java.lang.String	getCurrentUrlFromMap(java.util.LinkedHashMap<java.lang.String,java.lang.String> map, int index)
static java.lang.String	getKeyFromLinkedMap(java.util.LinkedHashMap<java.lang.String,java.lang.String> map, int index)
static int	getSavedProgress(android.content.Context context, java.lang.String url)
static java.lang.String	getValueFromLinkedMap(java.util.LinkedHashMap<java.lang.String,java.lang.String> map, int index)
static boolean	isWifiConnected(android.content.Context context) This method requires the caller to hold the permission ACCESS_NETWORK_STATE.
static void	saveProgress(android.content.Context context, java.lang.String url, int progress)
static android.app.Activity	scanForActivity(android.content.Context context) Get activity from context object
static java.lang.String	stringForTime(int timeMs)

从类继承的方法 java.lang.Object

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

构造器详细资料

JZUtils

public JZUtils()

方法详细资料

stringForTime

public static java.lang.String stringForTime(int timeMs)

isWifiConnected

public static boolean isWifiConnected(android.content.Context context)

This method requires the caller to hold the permission ACCESS_NETWORK_STATE.

参数:

context - context

返回:

if wifi is connected,return true

scanForActivity

public static android.app.Activity scanForActivity(android.content.Context context)

Get activity from context object

参数:

context - context

返回:

object of Activity or null if it is not Activity

getAppCompActivity

public static AppCompatActivity getAppCompActivity(android.content.Context context)

Get AppCompatActivity from context

参数:

context - context

返回:

AppCompatActivity if it's not null

dip2px

public static int dip2px(android.content.Context context,
                         float dpValue)

saveProgress

public static void saveProgress(android.content.Context context,
                                java.lang.String url,
                                int progress)

getSavedProgress

public static int getSavedProgress(android.content.Context context,
                                   java.lang.String url)

clearSavedProgress

public static void clearSavedProgress(android.content.Context context,
                                      java.lang.String url)

if url == null, clear all progress

参数:

context - context

url - if url!=null clear this url progress

getCurrentUrlFromMap

public static java.lang.String getCurrentUrlFromMap(java.util.LinkedHashMap<java.lang.String,java.lang.String> map,
                                                    int index)

getValueFromLinkedMap

public static java.lang.String getValueFromLinkedMap(java.util.LinkedHashMap<java.lang.String,java.lang.String> map,
                                                     int index)

getKeyFromLinkedMap

public static java.lang.String getKeyFromLinkedMap(java.util.LinkedHashMap<java.lang.String,java.lang.String> map,
                                                   int index)