Skip to content

Instantly share code, notes, and snippets.

@thoinv
Forked from emil2k/Connectivity.java
Created April 10, 2019 05:53
Show Gist options
  • Select an option

  • Save thoinv/c8770c5bcc50aa10605d678b47a2c68a to your computer and use it in GitHub Desktop.

Select an option

Save thoinv/c8770c5bcc50aa10605d678b47a2c68a to your computer and use it in GitHub Desktop.

Revisions

  1. thoinv revised this gist Apr 10, 2019. No changes.
  2. @emil2k emil2k revised this gist Jan 10, 2018. 1 changed file with 24 additions and 0 deletions.
    24 changes: 24 additions & 0 deletions Connectivity.java
    Original file line number Diff line number Diff line change
    @@ -1,3 +1,27 @@
    /*
    * Copyright (c) 2017 Emil Davtyan
    *
    * 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 com.emil.android.util;

    import android.content.Context;
  3. @emil2k emil2k created this gist Mar 10, 2013.
    122 changes: 122 additions & 0 deletions Connectivity.java
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,122 @@
    package com.emil.android.util;

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

    /**
    * Check device's network connectivity and speed
    * @author emil http://stackoverflow.com/users/220710/emil
    *
    */
    public class Connectivity {

    /**
    * 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 there is any connectivity to a Wifi network
    * @param context
    * @param type
    * @return
    */
    public static boolean isConnectedWifi(Context context){
    NetworkInfo info = Connectivity.getNetworkInfo(context);
    return (info != null && info.isConnected() && info.getType() == ConnectivityManager.TYPE_WIFI);
    }

    /**
    * Check if there is any connectivity to a mobile network
    * @param context
    * @param type
    * @return
    */
    public static boolean isConnectedMobile(Context context){
    NetworkInfo info = Connectivity.getNetworkInfo(context);
    return (info != null && info.isConnected() && info.getType() == ConnectivityManager.TYPE_MOBILE);
    }

    /**
    * 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()));
    }

    /**
    * 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;
    }
    }

    }