Android Network State Check isConnectedFast(Context context)

Description

Check if there is fast connectivity

License

Apache License

Parameter

Parameter	Description
context	a parameter

Declaration

public static boolean isConnectedFast(Context context) 

Method Source Code

/*/*from   w  ww  . j  av  a  2 s  .  c  om*/
 * Copyright (C) 2014 IUH ?yber$oft Team
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

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

public class Main{
    /**
     * Check if there is fast connectivity
     * 
     * @param context
     * @return
     */
    public static boolean isConnectedFast(Context context) {
        NetworkInfo info = Connectivity.getNetworkInfo(context);
        return (info != null && info.isConnected() && Connectivity
                .isConnectionFast(info.getType(), info.getSubtype()));
    }
    /**
     * Get the network info
     * 
     * @param context
     * @return
     */
    public static NetworkInfo getNetworkInfo(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        return cm.getActiveNetworkInfo();
    }
    /**
     * Check if there is any connectivity
     * 
     * @param context
     * @return
     */
    public static boolean isConnected(Context context) {
        NetworkInfo info = Connectivity.getNetworkInfo(context);
        return (info != null && info.isConnected());
    }
    /**
     * Check if the connection is fast
     * 
     * @param type
     * @param subType
     * @return
     */
    public static boolean isConnectionFast(int type, int subType) {
        if (type == ConnectivityManager.TYPE_WIFI) {
            return true;
        } else if (type == ConnectivityManager.TYPE_MOBILE) {
            switch (subType) {
            case TelephonyManager.NETWORK_TYPE_1xRTT:
                return false; // ~ 50-100 kbps
            case TelephonyManager.NETWORK_TYPE_CDMA:
                return false; // ~ 14-64 kbps
            case TelephonyManager.NETWORK_TYPE_EDGE:
                return false; // ~ 50-100 kbps
            case TelephonyManager.NETWORK_TYPE_EVDO_0:
                return true; // ~ 400-1000 kbps
            case TelephonyManager.NETWORK_TYPE_EVDO_A:
                return true; // ~ 600-1400 kbps
            case TelephonyManager.NETWORK_TYPE_GPRS:
                return false; // ~ 100 kbps
            case TelephonyManager.NETWORK_TYPE_HSDPA:
                return true; // ~ 2-14 Mbps
            case TelephonyManager.NETWORK_TYPE_HSPA:
                return true; // ~ 700-1700 kbps
            case TelephonyManager.NETWORK_TYPE_HSUPA:
                return true; // ~ 1-23 Mbps
            case TelephonyManager.NETWORK_TYPE_UMTS:
                return true; // ~ 400-7000 kbps
                /*
                 * Above API level 7, make sure to set android:targetSdkVersion
                 * to appropriate level to use these
                 */
            case TelephonyManager.NETWORK_TYPE_EHRPD: // API level 11
                return true; // ~ 1-2 Mbps
            case TelephonyManager.NETWORK_TYPE_EVDO_B: // API level 9
                return true; // ~ 5 Mbps
            case TelephonyManager.NETWORK_TYPE_HSPAP: // API level 13
                return true; // ~ 10-20 Mbps
            case TelephonyManager.NETWORK_TYPE_IDEN: // API level 8
                return false; // ~25 kbps
            case TelephonyManager.NETWORK_TYPE_LTE: // API level 11
                return true; // ~ 10+ Mbps
                // Unknown
            case TelephonyManager.NETWORK_TYPE_UNKNOWN:
            default:
                return false;
            }
        } else {
            return false;
        }
    }
}

Related

1. isConnected(Context context)
2. isConnected(Context context)
3. isConnected(NetworkInfo info)
4. isConnected(final Context context, final int... networkTypes)
5. isConnected(final NetworkInfo info)
6. isConnectedMobile(Context context)
7. isConnectedMobile(Context context)
8. isConnectingToInternet()
9. isConnectingToInternet(Context context)