package com.anyun.exam.lib.util;
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import android.content.Context;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.net.NetworkInfo.State;
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import android.net.wifi.WifiInfo;
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import android.net.wifi.WifiManager;
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import android.telephony.TelephonyManager;
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import java.net.Inet4Address;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.util.Enumeration;
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/**
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* Created by YY on 2017/10/27.
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*/
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public class NetUtils {
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/**
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* 判断网络情况
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*
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* @param context 上下文
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* @return false 表示没有网络 true 表示有网络
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*/
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public static boolean isNetworkAvalible(Context context) {
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// 获得网络状态管理器
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ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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if (connectivityManager == null) {
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return false;
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} else {
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// 建立网络数组
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NetworkInfo[] net_info = connectivityManager.getAllNetworkInfo();
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if (net_info != null) {
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for (int i = 0; i < net_info.length; i++) {
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// 判断获得的网络状态是否是处于连接状态
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if (net_info[i].getState() == State.CONNECTED) {
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return true;
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}
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}
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}
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}
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return false;
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}
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/**
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* 判断网络是否连接
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**/
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public static boolean netState(Context context) {
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ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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// 获取代表联网状态的NetWorkInfo对象
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NetworkInfo networkInfo = connManager.getActiveNetworkInfo();
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// 获取当前的网络连接是否可用
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boolean available = false;
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try {
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available = networkInfo.isAvailable();
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} catch (Exception e) {
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// e.printStackTrace();
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return false;
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}
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if (available) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* 在连接到网络基础之上,判断设备是否是SIM网络连接
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*
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* @param context
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* @return
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*/
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public static boolean IsMobileNetConnect(Context context) {
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try {
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ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
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if (State.CONNECTED == state)
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return true;
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else
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return false;
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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//返回值 -1：没有网络 1：WIFI网络2：wap网络3：net网络
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public static int GetNetype(Context context) {
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int netType = -1;
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ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
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if(networkInfo==null) {
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return netType;
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}
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int nType = networkInfo.getType();
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if(nType== ConnectivityManager.TYPE_MOBILE) {
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if(networkInfo.getExtraInfo().toLowerCase().equals("cmnet")) {
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netType = 3;
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}
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else {
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netType = 2;
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}
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}
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else if(nType== ConnectivityManager.TYPE_WIFI) {
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netType = 1;
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}
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return netType;
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}
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public static boolean hasSimCard(Context context) {
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TelephonyManager telMgr = (TelephonyManager)
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context.getSystemService(Context.TELEPHONY_SERVICE);
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boolean result = true;
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switch (telMgr.getSimState()) {
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case TelephonyManager.SIM_STATE_ABSENT:
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result = false; // 没有SIM卡
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break;
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case TelephonyManager.SIM_STATE_UNKNOWN:
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result = false;
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break;
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}
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return result;
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}
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public static TelephonyManager getTelephonyManager(Context context) {
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// 获取telephony系统服务，用于取得SIM卡和网络相关信息
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TelephonyManager mTelephonyManager = (TelephonyManager) context
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.getSystemService(Context.TELEPHONY_SERVICE);
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return mTelephonyManager;
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}
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public static String getIccid(Context context) {
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TelephonyManager mTelephonyManager = (TelephonyManager) context
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.getSystemService(Context.TELEPHONY_SERVICE);
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try {
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return mTelephonyManager.getSimSerialNumber();
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} catch (SecurityException e) {
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}
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return null;
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}
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/**
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* 唯一的设备ID： GSM手机的 IMEI 和 CDMA手机的 MEID. Return null if device ID is not
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* 取得手机IMEI
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* available.
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*/
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public static String getDeviceId(Context context) {
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String mDeviceId = getTelephonyManager(context).getImei();// String
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return mDeviceId;
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}
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/**
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* 取得IMEI SV
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* 设备的软件版本号： 返回移动终端的软件版本，例如：GSM手机的IMEI/SV码。 例如：the IMEI/SV(software version)
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* for GSM phones. Return null if the software version is not available.
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*/
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public static String getDeviceSoftwareVersion(Context context) {
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String mDeviceSoftwareVersion = getTelephonyManager(context).getDeviceSoftwareVersion();// String
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return mDeviceSoftwareVersion;
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}
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/**
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* 取得手机IMSI
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* 返回用户唯一标识，比如GSM网络的IMSI编号 唯一的用户ID： 例如：IMSI(国际移动用户识别码) for a GSM phone.
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* 需要权限：READ_PHONE_STATE
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*/
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public static String getSubscriberId(Context context) {
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String mSubscriberId = getTelephonyManager(context).getSubscriberId();// String
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return mSubscriberId;
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}
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public static String getIPAddress(Context context) {
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NetworkInfo info = ((ConnectivityManager) context
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.getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
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if (info != null && info.isConnected()) {
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if (info.getType() == ConnectivityManager.TYPE_MOBILE) {//当前使用2G/3G/4G网络
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try {
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//Enumeration<NetworkInterface> en=NetworkInterface.getNetworkInterfaces();
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for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
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NetworkInterface intf = en.nextElement();
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for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
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InetAddress inetAddress = enumIpAddr.nextElement();
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if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
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return inetAddress.getHostAddress();
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}
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}
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}
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} catch (SocketException e) {
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e.printStackTrace();
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}
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} else if (info.getType() == ConnectivityManager.TYPE_WIFI) {//当前使用无线网络
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WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
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WifiInfo wifiInfo = wifiManager.getConnectionInfo();
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String ipAddress = intIP2StringIP(wifiInfo.getIpAddress());//得到IPV4地址
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return ipAddress;
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}
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} else {
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//当前无网络连接,请在设置中打开网络
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}
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return null;
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}
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/**
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* 将得到的int类型的IP转换为String类型
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*
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* @param ip
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* @return
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*/
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public static String intIP2StringIP(int ip) {
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return (ip & 0xFF) + "." +
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((ip >> 8) & 0xFF) + "." +
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((ip >> 16) & 0xFF) + "." +
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(ip >> 24 & 0xFF);
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}
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}
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