android 判断是wifi还是4g网络

秃头老黄牛 03-09 201

前言：

今天姐妹们对“android访问net”可能比较关心，各位老铁们都想要知道一些“android访问net”的相关知识。那么小编在网络上收集了一些有关“android访问net””的相关内容，希望兄弟们能喜欢，看官们快快来了解一下吧！

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(); // 获取手机所有连接管理对象（包括对wi-fi,net等连接的管理） 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()); // 判断当前网络状态是否为连接状态 if (aNetworkInfo.getState() == NetworkInfo.State.CONNECTED) { return true; } } } } return false; } /** * 判断WIFI是否打开 * @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; }}

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