android 实时监测网络常用工具类

package com.hdmes.handingv2017.NetUtils; import android.annotation.TargetApi; import android.content.Context; import android.net.ConnectivityManager; import android.net.Network; import android.net.NetworkInfo; import android.os.Build; import android.support.annotation.NonNull; /** * =========================================== * 作 者：fusanjie * 版 本：1.0 * 创建日期：2017-12-01. * 描 述：网络检测工具类 * =========================================== */ public class NetworkUtils { //没有连接网络 public static final int NETWORK_NONE = -1; //移动网络 public static final int NETWORK_MOBILE = 0; //无线网络 public static final int NETWORK_WIFI = 1; private NetworkUtils() { } /** * 判断网络是否连接 * * @param context * @return */ public static boolean isConnected(@NonNull Context context) { ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); return (networkInfo != null && networkInfo.isConnected()); } /** * 判断WIFI是否连接 * * @param context * @return */ public static boolean isWifiConnected(@NonNull Context context) { return isConnected(context, ConnectivityManager.TYPE_WIFI); } /** * 判断移动网络是否连接 * * @param context * @return */ public static boolean isMobileConnected(@NonNull Context context) { return isConnected(context, ConnectivityManager.TYPE_MOBILE); } private static boolean isConnected(@NonNull Context context, int type) { ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); //检测API是否小于21，因为API21之后getNetworkInfo(int networkType)方法被弃用 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { NetworkInfo networkInfo = connMgr.getNetworkInfo(type); return networkInfo != null && networkInfo.isConnected(); } else { return isConnected(connMgr, type); } } @TargetApi(Build.VERSION_CODES.LOLLIPOP) private static boolean isConnected(@NonNull ConnectivityManager connMgr, int type) { Network[] networks = connMgr.getAllNetworks(); NetworkInfo networkInfo; for (Network mNetwork : networks) { networkInfo = connMgr.getNetworkInfo(mNetwork); if (networkInfo != null && networkInfo.getType() == type && networkInfo.isConnected()) { return true; } } return false; } /** * 检测网络类型 * @param context * @return */ public static int checkNetWorkState(@NonNull Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); //检测API是否小于21，因为API21之后getNetworkInfo(int networkType)方法被弃用 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { //获取WIFI连接的信息 NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI); //获取移动数据连接的信息 NetworkInfo mobileNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); if (wifiNetworkInfo.isConnected()) { return NETWORK_WIFI; } else if (mobileNetworkInfo.isConnected()) { return NETWORK_MOBILE; } else { return NETWORK_NONE; } /*NetworkInfo mNetworkInfo = connectivityManager.getActiveNetworkInfo(); if (mNetworkInfo != null && mNetworkInfo.isConnected()) { if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_WIFI)) { return NETWORK_WIFI; } else if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_MOBILE)) { return NETWORK_MOBILE; } else { return NETWORK_NONE; } }*/ } else { Network[] networks = connectivityManager.getAllNetworks(); NetworkInfo mNetworkInfo; for (Network mNetwork : networks) { mNetworkInfo = connectivityManager.getNetworkInfo(mNetwork); if (mNetworkInfo != null) { if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_WIFI)) { //Log.e("------------>", "NETWORK_WIFI"); return NETWORK_WIFI; } else if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_MOBILE)) { //Log.e("------------>", "NETWORK_MOBILE"); return NETWORK_MOBILE; } } else { //Log.e("------------>", "NETWORK_NONE"); return NETWORK_NONE; } } } return NETWORK_NONE; } }