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package com.chengxinet.bobo.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;

/**

• Created by Administrator on 2016/1/7.
  */

public class NetworkUtils {

public static boolean isNetworkAvailable(Context c) {    Context context = c.getApplicationContext();    // 获取手机所有连贯治理对象（包含对wi-fi,net等连贯的治理）    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);    if (connectivityManager == null) {        return false;    } else {        // 获取NetworkInfo对象        NetworkInfo[] networkInfo = connectivityManager.getAllNetworkInfo();        if (networkInfo != null && networkInfo.length > 0) {            for (NetworkInfo aNetworkInfo : networkInfo) {

// System.out.println(i + "===状态===" + networkInfo[i].getState());
// System.out.println(i + "===类型===" + networkInfo[i].getTypeName());

                // 判断以后网络状态是否为连贯状态                if (aNetworkInfo.getState() == NetworkInfo.State.CONNECTED) {                    return true;                }            }        }    }    return false;}/** * 判断WIFI是否关上 * @param context * @return */public static boolean isWifiEnabled(Context context) {    ConnectivityManager mgrConn = (ConnectivityManager) context            .getSystemService(Context.CONNECTIVITY_SERVICE);    TelephonyManager mgrTel = (TelephonyManager) context            .getSystemService(Context.TELEPHONY_SERVICE);    return ((mgrConn.getActiveNetworkInfo() != null && mgrConn            .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel            .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);}/** * 判断是否是3G网络 * @param context * @return */public static boolean is3rd(Context context) {    ConnectivityManager cm = (ConnectivityManager) context            .getSystemService(Context.CONNECTIVITY_SERVICE);    NetworkInfo networkINfo = cm.getActiveNetworkInfo();    if (networkINfo != null            && networkINfo.getType() == ConnectivityManager.TYPE_MOBILE) {        return true;    }    return false;}/** * 判断是wifi还是3g网络 * @param context * @return */public static boolean isWifi(Context context) {    ConnectivityManager cm = (ConnectivityManager) context            .getSystemService(Context.CONNECTIVITY_SERVICE);    NetworkInfo networkINfo = cm.getActiveNetworkInfo();    if (networkINfo != null            && networkINfo.getType() == ConnectivityManager.TYPE_WIFI) {        return true;    }    return false;}

}