package com.wpc.library.util;
|
|
import android.Manifest;
|
import android.content.Context;
|
import android.content.pm.PackageManager;
|
import android.net.ConnectivityManager;
|
import android.net.NetworkInfo;
|
import android.support.v4.content.ContextCompat;
|
import android.telephony.TelephonyManager;
|
import android.util.Log;
|
|
import java.io.BufferedReader;
|
import java.io.IOException;
|
import java.io.InputStream;
|
import java.io.InputStreamReader;
|
|
/**
|
* Created by weikou2015 on 2018/7/26.
|
* 获取网络状态工具类
|
*/
|
|
public class NetUtils {
|
public static final String NETWORK_NONE = "没有网络连接"; // 0
|
public static final String NETWORK_WIFI = "WIFI"; // wifi连接
|
public static final String NETWORK_2G = "2G"; // 2G
|
public static final String NETWORK_3G = "3G"; // 3G
|
public static final String NETWORK_4G = "4G"; // 4G
|
public static final String NETWORK_MOBILE = "手机流量"; // 手机流量
|
public static final String NETWORK_RUINE = "本地context为空"; // 本地context为空
|
|
/**
|
* 获取运营商名字
|
*
|
* @param context context
|
* @return int
|
*/
|
public static String getOperatorName(Context context) {
|
/*
|
* getSimOperatorName()就可以直接获取到运营商的名字
|
* 也可以使用IMSI获取，getSimOperator()，然后根据返回值判断，例如"46000"为移动
|
* IMSI相关链接：http://baike.baidu.com/item/imsi
|
*/
|
TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
|
// getSimOperatorName就可以直接获取到运营商的名字
|
return telephonyManager.getSimOperatorName();
|
}
|
|
/**
|
* 获取当前网络连接的类型
|
*
|
* @param context context
|
* @return int
|
*/
|
public static String getNetworkState(Context context) {
|
if (context == null) {
|
return NETWORK_RUINE;//本地context为空
|
}
|
ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); // 获取网络服务
|
if (null == connManager) { // 为空则认为无网络
|
return NETWORK_NONE;
|
}
|
NetworkInfo activeNetInfo = null;
|
if (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_NETWORK_STATE) == PackageManager.PERMISSION_GRANTED
|
|| ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_NETWORK_STATE) == PackageManager.PERMISSION_GRANTED) {
|
activeNetInfo = connManager.getActiveNetworkInfo();
|
}
|
// 获取网络类型，如果为空，返回无网络
|
|
if (activeNetInfo == null || !activeNetInfo.isAvailable()) {
|
return NETWORK_NONE;
|
}
|
// 判断是否为WIFI
|
NetworkInfo wifiInfo = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
|
if (null != wifiInfo) {
|
NetworkInfo.State state = wifiInfo.getState();
|
if (null != state) {
|
if (state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING) {
|
return NETWORK_WIFI;
|
}
|
}
|
}
|
// 若不是WIFI，则去判断是2G、3G、4G网
|
TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
|
int networkType = telephonyManager.getNetworkType();
|
switch (networkType) {
|
/*
|
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
|
*/
|
// 2G网络
|
case TelephonyManager.NETWORK_TYPE_GPRS:
|
case TelephonyManager.NETWORK_TYPE_CDMA:
|
case TelephonyManager.NETWORK_TYPE_EDGE:
|
case TelephonyManager.NETWORK_TYPE_1xRTT:
|
case TelephonyManager.NETWORK_TYPE_IDEN:
|
return NETWORK_2G;
|
// 3G网络
|
case TelephonyManager.NETWORK_TYPE_EVDO_A:
|
case TelephonyManager.NETWORK_TYPE_UMTS:
|
case TelephonyManager.NETWORK_TYPE_EVDO_0:
|
case TelephonyManager.NETWORK_TYPE_HSDPA:
|
case TelephonyManager.NETWORK_TYPE_HSUPA:
|
case TelephonyManager.NETWORK_TYPE_HSPA:
|
case TelephonyManager.NETWORK_TYPE_EVDO_B:
|
case TelephonyManager.NETWORK_TYPE_EHRPD:
|
case TelephonyManager.NETWORK_TYPE_HSPAP:
|
return NETWORK_3G;
|
// 4G网络
|
case TelephonyManager.NETWORK_TYPE_LTE:
|
return NETWORK_4G;
|
default:
|
return NETWORK_MOBILE;
|
}
|
|
}
|
|
/**
|
* 判断网络是否连接
|
*
|
* @param context context
|
* @return true/false
|
*/
|
public static boolean isNetConnected(Context context) {
|
ConnectivityManager connectivity = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
|
if (connectivity != null) {
|
NetworkInfo info = connectivity.getActiveNetworkInfo();
|
if (info != null && info.isConnected()) {
|
if (info.getState() == NetworkInfo.State.CONNECTED) {
|
return true;
|
}
|
}
|
}
|
return false;
|
}
|
|
/**
|
* 判断是否wifi连接
|
*
|
* @param context context
|
* @return true/false
|
*/
|
public static synchronized boolean isWifiConnected(Context context) {
|
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
|
if (connectivityManager != null) {
|
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
|
if (networkInfo != null) {
|
int networkInfoType = networkInfo.getType();
|
if (networkInfoType == ConnectivityManager.TYPE_WIFI || networkInfoType == ConnectivityManager.TYPE_ETHERNET) {
|
return networkInfo.isConnected();
|
}
|
}
|
}
|
return false;
|
}
|
|
/**
|
* @return
|
* @author cat
|
* @category 判断是否有外网连接（普通方法不能判断外网的网络是否连接，比如连接上局域网）
|
*/
|
public static boolean ping(String urld) {
|
String result = null;
|
try {
|
String ip = urld;// 除非百度挂了，否则用这个应该没问题(也可以换成自己要连接的服务器地址)
|
Process p = Runtime.getRuntime().exec("ping -c 1 -w 1 " + ip);// ping3次
|
// 读取ping的内容，可不加。
|
InputStream input = p.getInputStream();
|
BufferedReader in = new BufferedReader(new InputStreamReader(input));
|
StringBuffer stringBuffer = new StringBuffer();
|
String content = "";
|
while ((content = in.readLine()) != null) {
|
stringBuffer.append(content);
|
|
}
|
Log.i("TTT", "result content : " + stringBuffer.toString());
|
// PING的状态
|
int status = p.waitFor();
|
if (status == 0) {
|
result = "successful~";
|
return true;
|
|
} else {
|
result = "failed~ cannot reach the IP address";
|
return false;
|
|
}
|
|
|
} catch (IOException e) {
|
result = "failed~ IOException";
|
|
} catch (InterruptedException e) {
|
result = "failed~ InterruptedException";
|
|
} finally {
|
Log.i("TTT", "result = " + result);
|
|
}
|
return false;
|
|
}
|
}
|
