Android Open Source - Orochi-Framework Network Utils

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The source code is released under:

Copyright (c) 2012 Ronald Tsang, ronaldtsang@orochis-den.com Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Sof...

Java Source Code

/*
Copyright (c) 2012 Ronald Tsang, ronaldtsang@orochis-den.com
//from   w ww.j  a v a 2  s .co m
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package orochi.util;

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


public class NetworkUtils {

    public static final String WIFI = "wifi";
    // mobile
    public static final String MOBILE = "mobile";
    // 2G network types
    public static final String GSM = "gsm";
    public static final String GPRS = "gprs";
    public static final String EDGE = "edge";
    // 3G network types
    public static final String CDMA = "cdma";
    public static final String UMTS = "umts";
    public static final String HSPA = "hspa";
    public static final String HSUPA = "hsupa";
    public static final String HSDPA = "hsdpa";
    public static final String ONEXRTT = "1xrtt";
    public static final String EHRPD = "ehrpd";
    // 4G network types
    public static final String LTE = "lte";
    public static final String UMB = "umb";
    public static final String HSPA_PLUS = "hspa+";
    // return type
    public static final String TYPE_UNKNOWN = "unknown";
    public static final String TYPE_WIFI = "wifi";
    public static final String TYPE_2G = "2g";
    public static final String TYPE_3G = "3g";
    public static final String TYPE_4G = "4g";
    public static final String TYPE_NONE = "none";


    public static String getConnectionInfo(Context context) {
      ConnectivityManager socketManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
      NetworkInfo info = socketManager.getActiveNetworkInfo();
        String type = TYPE_NONE;
        if (info != null) {
            // If we are not connected to any network set type to none
            if (!info.isConnected()) {
                type = TYPE_NONE;
            }
            else {
                type = getType(info);
            }
        }
        return type;
    }

    private static String getType(NetworkInfo info) {
        if (info != null) {
            String type = info.getTypeName().toLowerCase();

            if (type.equals(WIFI)) {
                return TYPE_WIFI;
            }
            else if (type.equals(MOBILE)) {
                type = info.getSubtypeName();
                if (type.equals(GSM) || type.equals(GPRS) || type.equals(EDGE)) {
                    return TYPE_2G;
                }
                else if (type.startsWith(CDMA) || type.equals(UMTS)  || type.equals(ONEXRTT) ||
                    type.equals(EHRPD) || type.equals(HSUPA) || type.equals(HSDPA) || type.equals(HSPA)) {
                    return TYPE_3G;
                }
                else if (type.equals(LTE) || type.equals(UMB) || type.equals(HSPA_PLUS)) {
                    return TYPE_4G;
                }
            }
        } 
        else {
            return TYPE_NONE;
        }
        return TYPE_UNKNOWN;
    }
}

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