package org.cuieney.videolife.common.net;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
/**
* GPRS : 2G(2.5) General Packet Radia Service 114kbps
* EDGE : 2G(2.75G) Enhanced Data Rate for GSM Evolution 384kbps
* UMTS : 3G WCDMA 联通3G Universal Mobile Telecommunication System 完整的3G移动通信技术标准
* CDMA : 2G 电信 Code Division Multiple Access 码分多址
* EVDO_0 : 3G (EVDO 全程 CDMA2000 1xEV-DO) Evolution - Data Only (Data Optimized) 153.6kps - 2.4mbps 属于3G
* EVDO_A : 3G 1.8mbps - 3.1mbps 属于3G过渡，3.5G
* 1xRTT : 2G CDMA2000 1xRTT (RTT - 无线电传输技术) 144kbps 2G的过渡,
* HSDPA : 3.5G 高速下行分组接入 3.5G WCDMA High Speed Downlink Packet Access 14.4mbps
* HSUPA : 3.5G High Speed Uplink Packet Access 高速上行链路分组接入 1.4 - 5.8 mbps
* HSPA : 3G (分HSDPA,HSUPA) High Speed Packet Access
* IDEN : 2G Integrated Dispatch Enhanced Networks 集成数字增强型网络 （属于2G，来自维基百科）
* EVDO_B : 3G EV-DO Rev.B 14.7Mbps 下行 3.5G
* LTE : 4G Long Term Evolution FDD-LTE 和 TDD-LTE , 3G过渡，升级版 LTE Advanced 才是4G
* EHRPD : 3G CDMA2000向LTE 4G的中间产物 Evolved High Rate Packet Data HRPD的升级
* HSPAP : 3G HSPAP 比 HSDPA 快些
*/
/**
* 专网
*/
public class NetWorkUtil {
public enum NetType {
NETWORK_UNKNOWN, NETWORK_WIFI, NETWORK_3_G, NETWORK_4_G, NETWORK_2_G
}
/**
* 网络是否可用
*
* @param context
* @return
*/
public static boolean isNetworkAvailable(Context context) {
if (context != null) {
ConnectivityManager connectivity = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
if (connectivity == null) {
return false;
} else {
NetworkInfo[] info = connectivity.getAllNetworkInfo();
if (info != null) {
for (int i = 0; i < info.length; i++) {
if (info[i].isConnected()) {
return true;
}
}
}
}
}
return false;
}
/**
* 判断是否有网络连接
*
* @param context
* @return
*/
public static boolean isNetworkConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager
.getActiveNetworkInfo();
if (mNetworkInfo != null) {
return mNetworkInfo.isAvailable();
}
}
return false;
}
/**
* 判断WIFI网络是否可用
*
* @param icontext
* @return
*/
public static boolean isWifiConnected(Context icontext) {
Context context = icontext.getApplicationContext();
ConnectivityManager connectivity = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo[] info;
if (connectivity != null) {
info = connectivity.getAllNetworkInfo();
if (info != null) {
for (int i = 0; i < info.length; i++) {
if ((info[i].getTypeName().equalsIgnoreCase("WIFI") || info[i].getTypeName()
.equalsIgnoreCase("WI FI")) && info[i].isConnected()) {
return true;
}
}
}
}
return false;
}
/**
* 判断MOBILE 网络是否可用
*
* @param context
* @return
*/
public static boolean isMobileConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mMobileNetworkInfo = mConnectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if (mMobileNetworkInfo != null) {
return mMobileNetworkInfo.isAvailable();
}
}
return false;
}
/**
* 获取当前网络连接的类型信息
*
* @param context
* @return
*/
public static int getConnectedType(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager
.getActiveNetworkInfo();
if (mNetworkInfo != null && mNetworkInfo.isAvailable()) {
return mNetworkInfo.getType();
}
}
return -1;
}
/**
* @return netType 返回类型
* @throws
* @方法名: getAPNType
* @说 明: 获取当前的网络状态 -1：没有网络 1：WIFI网络2：wap 网络3：net网络
* @参 数: @param context
* @参 数: @return
*/
public static NetType getNetworkType(Context context) {
NetType netType = null;
ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = manager.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected()) {
if (networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
netType = NetType.NETWORK_WIFI;
} else if (networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
// TD-SCDMA networkType is 17
int networkType = networkInfo.getSubtype();
switch (networkType) {
case TelephonyManager.NETWORK_TYPE_GPRS:
case TelephonyManager.NETWORK_TYPE_EDGE:
case TelephonyManager.NETWORK_TYPE_CDMA:
case TelephonyManager.NETWORK_TYPE_1xRTT:
case TelephonyManager.NETWORK_TYPE_IDEN: //api<8 : replace by 11
netType = NetType.NETWORK_2_G;
break;
case TelephonyManager.NETWORK_TYPE_UMTS:
case TelephonyManager.NETWORK_TYPE_EVDO_0:
case TelephonyManager.NETWORK_TYPE_EVDO_A:
case TelephonyManager.NETWORK_TYPE_HSDPA:
case TelephonyManager.NETWORK_TYPE_HSUPA:
case TelephonyManager.NETWORK_TYPE_HSPA:
case TelephonyManager.NETWORK_TYPE_EVDO_B: //api<9 : replace by 14
case TelephonyManager.NETWORK_TYPE_EHRPD: //api<11 : replace by 12
case TelephonyManager.NETWORK_TYPE_HSPAP: //api<13 : replace by 15
netType = NetType.NETWORK_3_G;
break;
case TelephonyManager.NETWORK_TYPE_LTE: //api<11 : replace by 13
netType = NetType.NETWORK_4_G;
break;
default:
String typeName = networkInfo.getSubtypeName();
// http://baike.baidu.com/item/TD-SCDMA 中国移动 联通 电信 三种3G制式
if (typeName.equalsIgnoreCase("TD-SCDMA") || typeName.equalsIgnoreCase("WCDMA") || typeName.equalsIgnoreCase("CDMA2000")) {
netType = NetType.NETWORK_3_G;
} else {
netType = NetType.NETWORK_UNKNOWN;
}
break;
}
}
}
return netType;
}
public static class APNNet {
/**
* Network type is unknown
*/
public static final int NETWORK_TYPE_UNKNOWN = 0;
/**
* Current network is GPRS
*/
public static final int NETWORK_TYPE_GPRS = 1;
/**
* Current network is EDGE
*/
public static final int NETWORK_TYPE_EDGE = 2;
/**
* Current network is UMTS
*/
public static final int NETWORK_TYPE_UMTS = 3;
/**
* Current network is CDMA: Either IS95A or IS95B
*/
public static final int NETWORK_TYPE_CDMA = 4;
/**
* Current network is EVDO revision 0
*/
public static final int NETWORK_TYPE_EVDO_0 = 5;
/**
* Current network is EVDO revision A
*/
public static final int NETWORK_TYPE_EVDO_A = 6;
/**
* Current network is 1xRTT
*/
public static final int NETWORK_TYPE_1xRTT = 7;
/**
* Current network is HSDPA
*/
public static final int NETWORK_TYPE_HSDPA = 8;
/**
* Current network is HSUPA
*/
public static final int NETWORK_TYPE_HSUPA = 9;
/**
* Current network is HSPA
*/
public static final int NETWORK_TYPE_HSPA = 10;
/**
* Current network is iDen
*/
public static final int NETWORK_TYPE_IDEN = 11;
/**
* Current network is EVDO revision B
*/
public static final int NETWORK_TYPE_EVDO_B = 12;
/**
* Current network is LTE
*/
public static final int NETWORK_TYPE_LTE = 13;
/**
* Current network is eHRPD
*/
public static final int NETWORK_TYPE_EHRPD = 14;
/**
* Current network is HSPA+
*/
public static final int NETWORK_TYPE_HSPAP = 15;
/**
* Current network is GSM
*/
public static final int NETWORK_TYPE_GSM = 16;
/**
* Current network is TD_SCDMA
*/
public static final int NETWORK_TYPE_TD_SCDMA = 17;
/**
* Current network is IWLAN
*/
public static final int NETWORK_TYPE_IWLAN = 18;
}
}