获取网络类型名称

public static String getNetworkTypeName(Context context) {
    if (context != null) {
        ConnectivityManager connectMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        if (connectMgr != null) {
            NetworkInfo info = connectMgr.getActiveNetworkInfo();
            if (info != null) {
                switch (info.getType()) {
                case ConnectivityManager.TYPE_WIFI:
                    return "WIFI";
                case ConnectivityManager.TYPE_MOBILE:
                    return getNetworkTypeName(info.getSubtype());
                }
            }
        }
    }
    return getNetworkTypeName(TelephonyManager.NETWORK_TYPE_UNKNOWN);
}

public static String getNetworkTypeName(int type) {
    switch (type) {
    case TelephonyManager.NETWORK_TYPE_GPRS:
        return "GPRS";
    case TelephonyManager.NETWORK_TYPE_EDGE:
        return "EDGE";
    case TelephonyManager.NETWORK_TYPE_UMTS:
        return "UMTS";
    case TelephonyManager.NETWORK_TYPE_HSDPA:
        return "HSDPA";
    case TelephonyManager.NETWORK_TYPE_HSUPA:
        return "HSUPA";
    case TelephonyManager.NETWORK_TYPE_HSPA:
        return "HSPA";
    case TelephonyManager.NETWORK_TYPE_CDMA:
        return "CDMA";
    case TelephonyManager.NETWORK_TYPE_EVDO_0:
        return "CDMA - EvDo rev. 0";
    case TelephonyManager.NETWORK_TYPE_EVDO_A:
        return "CDMA - EvDo rev. A";
    case TelephonyManager.NETWORK_TYPE_EVDO_B:
        return "CDMA - EvDo rev. B";
    case TelephonyManager.NETWORK_TYPE_1xRTT:
        return "CDMA - 1xRTT";
    case TelephonyManager.NETWORK_TYPE_LTE:
        return "LTE";
    case TelephonyManager.NETWORK_TYPE_EHRPD:
        return "CDMA - eHRPD";
    case TelephonyManager.NETWORK_TYPE_IDEN:
        return "iDEN";
    case TelephonyManager.NETWORK_TYPE_HSPAP:
        return "HSPA+";
    default:
        return "UNKNOWN";
    }
}